Basler Electric BE2000E User Manual

INSTRUCTION MANUA L

FOR

BE2000E

Digital Voltage Regulator

Publication: 9287500995 Revision: B Jan-15

9287500995 Rev B i

Caution

Note

Preface

This instruction manual provides information about the installation and operation of the BE2000E Digital Voltage Regulator. To accomplish this, the following information is provided:

• General information

• Human-Machine Interface (HMI)

• Functional description

• Installation

• BESTCOMS™ Software

• Maintenance and Troubleshooting

• Specifications

Conventions Used in this Ma nua l

Important safety and procedural information is emphasized and presented in this manual through warning, caution, and note boxes. Each type is illustrated and defined as follows.

Warning!

Warning boxes call attention to conditions or actions that may cause personal injury or death.

Caution boxes call attention to operating conditions that may lead to equipment or property damage.

Note boxes emphasize important information pertaining to installation or operation.

BE2000E Preface

ii 9287500995 Rev B

Basler Electric does not assume any responsibility to compliance or noncompliance with national code, local code, For terms of service relating to this product and software, see the Commercial Terms of Products and Services

document available at www.basler.com/terms.

This publication contains confidential information of Basler Electric Company, an Illinois corporation. It is loaned for

and options are subject to modification without notice. Over time, improvements and revisions may be made to this

The English-language version of this manual serves as the only approved manual version.

12570 State Route 143

Highland IL 62249-1074 USA

www.basler.com

info@basler.com

Tel: +1 618.654.2341

Fax: +1 618.654.2351

First printing: May 2011

Warning!

READ THIS MANUAL. Read this manual before installing, operating, or maintaining the BE2000E

Note all warnings, cautions, and notes in this manual as well as on the product. Keep this manual with the product for reference. Only qualified personnel should install, operate, or service this system. Failure to follow warning and cautionary labels may result in personal injury or property damage. Exercise caution at all times.

To prevent personal injury or equipment damage, only qualified personnel should install, operate, or service this system.

or any other applicable code. This manual serves as reference material that must be well understood prior to installation, operation, or maintenance.

confidential use, subject to return on request, and with the mutual understanding that it will not be used in any manner detrimental to the interests of Basler Electric Company and used strictly for the purpose intended.

It is not the intention of this manual to cover all details and variations in equipment, nor does this manual provide data for every possible contingency regarding installation or operation. The availability and design of all features

publication. Before performing any of the following procedures, contact Basler Electric for the latest revision of this manual.

Preface BE2000E

9287500995 Rev B iii

General Information .................................................................................................................................... 1

Features .................................................................................................................................................... 1

Human-Machine Interface .......................................................................................................................... 3

Front Panel Controls and Indicators .......................................................................................................... 3

Initial Adjustments ..................................................................................................................................... 4

Making Settings Changes ......................................................................................................................... 5

Front Panel Operation ........................................................................................................................... 5

Setting Level Indication .......................................................................................................................... 6

Communication Port ................................................................................................................................ 11

Functional Description ............................................................................................................................. 13

BE2000E Function Blocks ....................................................................................................................... 13

Analog Inputs ....................................................................................................................................... 13

Contact Input Circuits .......................................................................................................................... 14

Communication Port ............................................................................................................................ 15

Microprocessor .................................................................................................................................... 15

Power Input Stage ............................................................................................................................... 15

Power Supply ....................................................................................................................................... 15

Power Amplifier Stage ......................................................................................................................... 15

Front Panel Indicators .......................................................................................................................... 15

Front Panel Switches ........................................................................................................................... 15

Relay Output ........................................................................................................................................ 15

BE2000E Operating Features ................................................................................................................. 16

Operating Modes ................................................................................................................................. 16

Reactive Droop Compensation ............................................................................................................ 16

Underfrequency ................................................................................................................................... 17

Protection ............................................................................................................................................. 17

Generator Soft Start ............................................................................................................................. 18

Installation ................................................................................................................................................. 19

Mounting .................................................................................................................................................. 19

Connections ............................................................................................................................................. 22

BE2000E Terminations ........................................................................................................................ 22

Generator Voltage Sensing Inputs ....................................................................................................... 24

Phase B Line Current Sensing Input ................................................................................................... 24

Raise and Lower Contact Inputs .......................................................................................................... 24

Var/Power Factor Control Contact Input .............................................................................................. 24

Parallel Generator Compensation ....................................................................................................... 24

Analog (Auxiliary) Adjust ...................................................................................................................... 24

Power Supply Inputs ............................................................................................................................ 24

Chassis Ground ................................................................................................................................... 24

Power (Field) Output ............................................................................................................................ 25

Relay Output ........................................................................................................................................ 25

Communication Port ............................................................................................................................ 25

BE2000E Connections for Typical Applications .................................................................................. 26

Preliminary Setup .................................................................................................................................... 31

Adjustments ............................................................................................................................................. 31

Storage .................................................................................................................................................... 31

BESTCOMS™ Software ............................................................................................................................. 33

Installation ............................................................................................................................................... 33

Installing BESTCOMS™-BE2000E ...................................................................................................... 33

Connecting the BE2000E and PC ....................................................................................................... 33

Starting the BESTCOMS™-BE2000E Application ................................................................................... 33

Initial Adjustments ................................................................................................................................ 34

Establishing Communicat io n ............................................................................................................... 35

BE2000E Contents

iv 9287500995 Rev B

Changing Settings ................................................................................................................................... 36

Sending and Receiving Settings ............................................................................................................. 36

Sending Settings .................................................................................................................................. 36

Receiving Settings ............................................................................................................................... 37

Saving Settings to BE2000E Memory.................................................................................................. 37

Setting Definitions .................................................................................................................................... 37

System Configuration .......................................................................................................................... 37

System Settings ................................................................................................................................... 37

Setting Adjustments ............................................................................................................................. 38

Control Gain ......................................................................................................................................... 41

Analysis ................................................................................................................................................ 43

Protection and Relay Settings ............................................................................................................. 48

Metering, Operation and Alarms .......................................................................................................... 49

PID Data .................................................................................................................................................. 52

PID Calculation Based on Input Values ............................................................................................... 53

Adding to the PID List .......................................................................................................................... 54

Removing a PID List Record ............................................................................................................... 54

Retrieving Existing Data from the PID List .......................................................................................... 54

Settings Files ........................................................................................................................................... 54

Printing Settings Files .......................................................................................................................... 54

Saving Settings Files ........................................................................................................................... 55

Uploading Settings Files ...................................................................................................................... 55

Password Protection ................................................................................................................................ 55

Changing the Password ....................................................................................................................... 55

Updating Embedded Firmware ................................................................................................................ 56

Terminating Communication ................................................................................................................... 59

Maintenance and Troubleshooting ......................................................................................................... 61

Preventative Maintenance ....................................................................................................................... 61

Troubleshooting ....................................................................................................................................... 61

Generator Voltage Does Not Build ...................................................................................................... 61

Low Generator Output Voltage ............................................................................................................ 62

High Generator Output Voltage ........................................................................................................... 62

Poor Voltage Regulation ...................................................................................................................... 63

Generator Output Unstable (Hunting) .................................................................................................. 63

OVEREXCITATION SHUTDOWN Indicator Is Annunciating .............................................................. 63

LOSS OF GENERATOR SENSING Indicator Is Annunciating ........................................................... 64

OVEREXCITATION LIMITING Indicator Is Annunciating .................................................................... 64

UNDERFREQUENCY ACTIVE Indicator Is Annunciating ................................................................... 64

No Droop .............................................................................................................................................. 65

Specifications ............................................................................................................................................ 67

Operating Power .................................................................................................................................. 67

Generator Voltage Sensing ................................................................................................................. 67

Generator Current Sensing .................................................................................................................. 67

Contact Input Circuits .......................................................................................................................... 67

Common Alarm Output ........................................................................................................................ 67

Field Output ......................................................................................................................................... 67

AVR Operating Mode ........................................................................................................................... 68

FCR (Manual) Operating Mode ........................................................................................................... 68

Var Operating Mode............................................................................................................................. 68

PF Operating Mode.............................................................................................................................. 68

Parallel Compensation ......................................................................................................................... 68

Communication Port ............................................................................................................................ 68

Field Overvoltage Protection ............................................................................................................... 68

Field Overcurrent Protection ................................................................................................................ 68

Generator Overvoltage Protection ....................................................................................................... 69

Soft-Start Function ............................................................................................................................... 69

Analog (Auxiliary) Input ........................................................................................................................ 69

Contents BE2000E

9287500995 Rev B v

Metering ............................................................................................................................................... 69

Environment ......................................................................................................................................... 70

Type Tests ........................................................................................................................................... 70

UL Approval ......................................................................................................................................... 70

CSA Certification .................................................................................................................................. 70

CE Compliance .................................................................................................................................... 70

Physical ................................................................................................................................................ 70

Revision History ........................................................................................................................................ 71

BE2000E Contents

vi 9287500995 Rev B

Contents BE2000E

9287500995 Rev B 1

General Information

The BE2000E is an electronic, solid-state, microprocessor-based control device. The BE2000E regulates the output voltage of a brushless, ac generator by controlling the current into the generator exciter field. Input power to the BE2000E is from a multi-pole, high-frequency, permanent magnet generator (PMG).

The BE2000E is supplied in an encapsulated package designed for behind-the-panel mounting. The BE2000E is held in place by thread-forming screws that thread into its plastic shell. Front panel indicators (LEDs) annunciate regulator status and system conditions. BE2000E connections are made through quarter-inch, quick-connect terminals on the rear panel. A nine-pin DB-9 type connector on the rear panel provides communication between the BE2000E and an IBM compatible PC.

Features

BE2000E units have the following features and capabilities:

• Four control modes: automatic voltage regulation (AVR), manual or field current regulation (FCR),

power factor (PF) regulation, and reactive power (var) regulation.

• Programmable stability settings.

• Soft start control with an adjustable time setting in AVR control mode.

• Overexcitation (OEL) limiting in AVR, var, and PF control modes.

• Underfrequency (volts/hertz) regulation.

• Crowbar circuitry protects the field.

• Overtemperature protection.

• Three-phase or single-phase generator voltage (RMS) s ens ing/re gu lat ion in A VR mode .

• Single-phase generator current sensing for metering and regulation purposes.

• Field current and field voltage sensing.

• Four contact sensing inputs for system interface.

• One common output relay for alarm indication and trip functions.

• Six protection functions (overexcitation shutdown, generator overvoltage shutdown, BE2000E

overtemperature shutdown, loss of generator sensing shutdown, overexcitation limiting and crowbar shutdown).

• Generator paralleling with reactive droop compensation and reactive differential compensation.

• Front-panel human-machine interface (HMI) indicates system and BE2000E status and gives the

ability to make setting changes at the front panel.

• Rear RS-232 communication port for personal computer communication using BESTCOMS™-

BE2000E Windows® based software for fast, user-friendly, setup and control.

BE2000E General Information

2 9287500995 Rev B

General Information BE2000E

9287500995 Rev B 3

SELECT

This pushbutton selects a function for adjustment. Successive presses of be adjusted.

This pushbutton increases the setting level of the function being adjusted.

DOWN

This pushbutton decreases the setting level of the function being adjusted.

SELECT DOWN

Manual Mode

Loss of Sensing

Over VoltageCoarse Voltage

1 - 3 Phase Sensing

Manual Mode On/Off

Over Excitation

MODE STATUS

Over Temperature

Under Frequency

VAR/PF Active

If - Limit

Stability Range

Fine Voltage

ADJUSTMENTS

Manual Mode Adj.

VAR/PF Select

VAR/PF Adj.

Under Frequency

Droop

Gain

GEN/LAG

MAX

ABSORB/LEAD

MIN

Digital

Regulator

BE2000E

Human-Machine Interface

The BE2000E Human-Machine Interface (HMI) consists of front panel controls and indicators and a rear panel communication port.

Front Panel Controls and Indicators

BE2000E front panel controls and indicators consist of 12 red LEDs and three pushbuttons. Figure 1 illustrates the front panel controls and indicators of the BE2000E. The LEDs indicate control mode and status conditions and are also used when adjusting settings at the front panel.

Table 1. BE2000E Front Panel Control Descriptions

Control Description

the SELECT pushbutton scrolls through the list of BE2000E functions to

Figure 1. BE2000E Front Panel Indicators

BE2000E Human-Machine Interfac e

4 9287500995 Rev B

Over Excitation

This LED blinks rapidly when the Overexcitation Protection feature is enabled and

an overexcitation condition.

Over Temperature LED #11

This LED blinks rapidly when the internal temperature of the BE2000E has exceeded its limit and causes the unit to shut down.

Under Frequency LED #7

This LED blinks rapidly during an under frequency condition.

Var/PF Active LED #5

This LED blinks rapidly when operating in Var or Power Factor mode.

If – Limit

This LED blinks rapidly when the field current exceeds the programmed

powered up following an overexcitation limiting condition.

Manual Mode LED #3

This LED blinks rapidly when operating in Manual mode.

Loss of Sensing

This LED blinks rapidly when a loss of generator sensing voltage is detected. The

generator sensing condition.

Over Voltage

This LED blinks rapidly when the generator output voltage exceeds the setpoint

when the BE2000E is powered up following a generator overvoltage condition.

Caution

Table 2. BE2000E Front Panel Mode Status Indicator Descriptions

Indicator Description

LED #12

LED #4

LED #2

LED #1

the field voltage exceeds the setpoint (80 V default) for 15 seconds. The BE2000E will shut down when an overexcitation condition is detected. The Over Excitation LED blinks for 5 seconds when the BE2000E is powered up following

overexcitation limit. It will continue to flash until the overexcitation condition ceases or the overexcitation time delay expires and the BE2000E shuts down. The Overexcitation Limiting LED flashes for 5 seconds when the BE2000E is

BE2000E will shut down. The Loss of (Generator) Sensing LED flashes for 5 seconds when the BE2000E is powered up following shutdown for loss of

for 0.75 seconds. The BE2000E will shut down when a generator overvoltage condition is detected. The (Generator) Overvoltage LED flashes for 5 seconds

Read and understand the operation of the individual adjustments before attempting any initial adjustments.

Initial Adjustments

Before starting the generator, the procedures in the following paragraphs should be performed. Remove the 5-ampere fuse before starting the generator for the first time. Perform all preliminary engine

governor adjustments without the regulator energized. After initial governor adjustments are complete, reinstall the 5-ampere fuse, and connect only the power

input leads or PMG leads to the regulator. Remove all other regulator connections that may be present and temporarily insulate them.

Start and run the generator at rated speed. The regulator will perform the self-test and enter a shutdow n mode. At this time, initial adjustments can be made. To do this, step through each adjustment using the “SELECT” button. For each adjustment, press the “UP” or “DOWN” button to obtain the desired level on the LED bar graph.

After the initial adjustments are made, shut down the generator and connect the remaining regulator leads. The generator may be started and final adjustments may be performed on the regulator.

Human-Machine Interface BE2000E

9287500995 Rev B 5

Making Settings Changes

The following paragraphs describe how the HMI is used to make setting changes.

Front Panel Operation

The LEDs indicate control mode and status conditions and are also used when adjusting settings at the front panel. Repeatedly pressing the “SELECT” button steps through the various adjustments, starting with the “Coarse Voltage” adjustm ent and progres s ing thr oug h to the “Fine Voltage” adjustment. The next press of the “SELECT” button exits the adjustment mode.

When in the adjustment mode, only the adjustment LEDs will be lit. All mode status LEDs will be turned off. Adjustment LEDs are of two types. The first type is the LED that indicates the function being adjusted. This LED blinks slowly (approximately once per second). The second type is the LED that indicates the level of adjustment. This LED is on steady. The level of adjustment is changed by pressing the “UP” or “DOWN” button. When an adjustment level LED (on steady) overlaps the function LED (slow blinking), the LED will remain in the slow blinking mode. If no button is pressed for a period of one minute, the regulator saves the settings and exits the adjustment mode. If regulator power is interrupted before the automatic save feature is commanded, that level of adjustment will be lost.

When the regulator is not in the adjustment mode and either the “UP” or “DOWN” button is pressed, the regulator enters the “Fine Voltage” adjustment mode and changes the generator fine voltage set point by

0.1V. Successive presses of the “UP” or “DOWN” button shall continue to adjust the fine voltage setting. Pressing the “SELECT” button causes the regulator to exit the adjustment mode. Mode status LEDs blink approximately twice per second.

Table 3. BE2000E Front Panel Adjustment Indicator Descriptions

Indicator Description

Fine Voltage LED #11

Gain LED #10

Stability Range LED #9

Droop LED #8

Under Frequency LED #7

VAR/PF Adjust LED #6

VAR/PF Select LED #5

Manual Mode Adj. LED #4

Manual Mode On/Off LED #3

This LED blinks slowly when the "Fine Voltage" level is selected for adjustment via the front panel push-buttons.

This LED blinks slowly when the "Gain" adjustment is selected for fine tuning of loop gain via the front panel push-buttons.

This LED blinks slowly when selecting the desired "Stability Range" via the front panel push-buttons.

This LED blinks slowly when the "Droop" percentage level is selected for adjustment via the front panel push-buttons.

This LED blinks slowly when the "Under Frequency" knee point is selected for adjustment via the front panel push-buttons.

This LED blinks slowly when the level of the programmed mode (VAR or Power Factor) is selected for adjustment via the front panel push-buttons.

This LED blinks slowly when selecting the programmed mode (VAR, Power Factor, or none(AVR)) via the front panel push-buttons. When in this adjustment mode, LED #1 is on solid for none (AVR), LED #2 is on solid for Power Factor mode, and LED #3 is on solid for VAR mode.

This LED blinks slowly when the "Manual Mode" (field current) regulation set point is selected for adjustment via the front panel push-buttons.

This LED blinks slowly when selecting or deselecting "Manual Mode" (field current regulation) as the active operating mode via the front panel push-buttons. When in this adjustment mode, LED #1 is on if Manual Mode is off, LED #2 is on if Manual Mode is on.

BE2000E Human-Machine Interfac e

6 9287500995 Rev B

LED #1

via the front panel push-buttons.

Coarse Voltage – LED #1 Blinking Slowly

Increment: 6 Vac

Increase

Decrease

Minimum

Value

Maximum

Value

Minimum

Value

Maximum

Value

563

600.00

558

600

521

557

516

552

479

515

474

510 9 437

473

432

468 8 395

431

390

426

353

389

348

384

311

347

306

342 5 269

305

264

300 4 227

263

222

258

185

221

180

216

143

179

138

174 1 95

137

132

Single-phase/Three-phase select – LED #2 Blinking Slowly

LED

MODE

N/A

N/A 8 N/A 7 N/A

N/A

Indicator Description

1 - 3 Phase Sensing LED #2

This LED blinks slowly when selecting single or three phase sensing via the front panel push-buttons. When in this adjustment mode, LED #1 is on if single phase sensing is selected, LED #3 is on if three phase sensing is selected.

Coarse Voltage

This LED blinks slowly when the "Coarse Voltage" level is selected for adjustment

Setting Level Indication

Indication of a setting level is provided by the 12 front panel LED indicators. The upper limit of a setting range is represented by the top LED which is labeled GEN/LAG and MAX. The lower limit of a setting range is represented by the bottom LED which is labeled MIN and ABSORB/LEAD. The setting range for each LED is summarized in Tables 4 through 15. LEDs in the tables are numbered from 1 to 12 with 1 being the lowermost LED (labeled MIN/ABSORB/LEAD) and 12 being the uppermost LED (labeled GEN/LAG/MAX.

Table 4. Coarse Voltage Adjust Setting Ranges

Maximum Adjustment Range

LED

Human-Machine Interface BE2000E

Table 5. Sensing Mode (Single-phase/Three-phase) Select

9287500995 Rev B 7

Single-phase/Three-phase select – LED #2 Blinking Slowly

LED

MODE

N/A

Three-phase

N/A

Single-phase

Manual Mode On/Off – LED #3 Blinking Slowly

LED

MODE

N/A

OFF

Manual Mode Adjust – LED #4 Blinking Slowly

Increment: 0.01 Adc

LED

Minimum Value

Maximum Value

2.75

2.50

2.74

2.25

2.49

2.00

2.24

1.75

1.99

1.50

1.74

1.25

1.49

1.00

1.24

0.75

0.99

0.50

0.74

0.25

0.49 1 0

0.24

Table 6. Manual Mode (On/Off) Select

Table 7. Manual Mode (If – Limit) Adjustment Ranges

Adjustment Range: 0 to 3 Adc

BE2000E Human-Machine Interfac e

8 9287500995 Rev B

AVR (OFF) / VAR / PF Select – LED #5 Blinking Slowly

LED

MODE

N/A

N/A 9 N/A 8 N/A

N/A

N/A 5 N/A 4 N/A

Var

PF 1 AVR

VAR Control Adjust – LED #6 Blinking Slowly

Increment: 1.0%

LED

Minimum Value *

Maximum Value *

100

7 1 16 6 -16

-33

-17

-49

-34 3 -66

-50 2 -83

-67

-100

-84

Table 8. On-Line Operating Mode (AVR (OFF)/VAR/PF) Select

Table 9. VAR Control Adjustment Ranges

Maximum Adjustment Range: −100% (absorb) to +100% (generate)

* Minimum and maximum values may differ from the Table 9 value s if

the value has been changed in BESTCOMS™-BE2000E software. BESTCOMS-BE2000E has 0.5 percent resolution compared to the

1.0 percent resolution of the HMI.

Human-Machine Interface BE2000E

9287500995 Rev B 9

Power Factor Control Adjust – LED #6 Blinking Slowly

Increment: 0.01

LED

Minimum Value †

Maximum Value †

0.66

0.60

0.73

0.67

0.80

0.74

0.86

0.81

0.93

0.87

1.0

0.94

-0.94

-0.99

-0.87

-0.93

-0.80

-0.86

-0.74

-0.79

-0.67

-0.73

-0.60

-0.66

Underfrequency Adjust – LED #7 Blinking Slowly

Increment: 0.1 Hz

LED

Minimum Value

Maximum Value

63.0

65.0

60.9

62.9

58.8

60.8

56.7

58.7

54.6

56.6

52.5

54.5

50.5

52.4

48.4

50.4

46.3

48.3

44.2

46.2

42.1

44.1

40.0

42.0

Table 10. Power Factor Control Adjustment Ranges

Maximum Adjustment Range: +0.6 (lag) to –0.6 (lead)

† Minimum and maximum values may differ from the Table 10 values if

the value has been changed in BESTCOMS-BE2000E software. BESTCOMS-BE2000E has 0.001 resolution compared to the 0.01 resolution of the HMI.

Table 11. Underfrequency Adjustment Ranges

Maximum Adjustment Range: 40 to 65 Hz

BE2000E Human-Machine Interfac e

10 9287500995 Rev B

Droop Adjust – LED #8 Blinking Slowly

Increment: 0.25%

LED

Minimum Value *

Maximum Value *

9.25

10.00

8.5

9.00

7.75

8.25

6.75

7.50

6.00

6.50

5.25

5.75

4.25

5.00 5 3.5

4.00

2.75

3.25

1.75

2.5

2 1 1.5 1 0

0.75

Stability Range Select – LED #9 Blinking Slowly

Adjustment Range per LED: 1

Frame/Poles

LED

Range Selected

N/A 11

N/A

N/A 9

N/A

Programmable

1,000/6 7 7

740/6 6 6

1,000/4 5 5

740/4 4 4

570/4 3 3

430/4 2 2

360/4 1 1

Table 12. Droop Adjustment Ranges

Adjustment Range: 0 to 10%

* Minimum and maximum values may differ from the Table 12 values if

the value has been changed in BESTCOMS-BE2000E software. BESTCOMS-BE2000E has 0.01% resolution compared to the 0.25 percent resolution of the HMI.

Table 13. Stability Range Selection Settings

Human-Machine Interface BE2000E

9287500995 Rev B 11

Gain Adjust – LED #10 Blinking Slowly

0.5 to 4.5 kg for AVR and 0 to 100 kg for FCR

When the unit is operating in AVR, PF, and var modes, gain adjustments are made to increments: AVR kg = 0.01 FCR kg = 0.1

LED

Minimum Value *

Maximum Value *

AVR

FCR

AVR

FCR †

4.17

11.1

4.50

3.84

10.1

4.16

3.50

9.1

3.83

3.17

8.1

3.49 9 8

2.84

7.1

3.16

2.50

6.1

2.83 7 6

2.17

5.1

2.49

1.84

4.1

2.16 5 4

1.50

3.1

1.83

1.17

2.1

1.49

0.85

1.1

1.16

0.5 0 0.84

Fine Voltage Adjust – LED #11 Blinking Slowly

Increment: 0.1V

The adjustment range for Fine Voltage Adjust is based on the fine voltage

Adjustment Band Setting.

Table 14. Gain Adjustment Ranges

Maximum Adjustment Range:

AVR kg. When in FCR mode, gain adjustments are made to FCR kg. Front Panel

* Minimum and maximum values may differ from the Table 14 values if

the gain value has been changed in BE2000E software.

† BESTCOMS-BE2000E software allows a maximum FCR kg setting

of 1,000 kg. A kg setting of 12 or more entered in BESTCOMSBE2000E will be reduced to 12 with the first push of the HMI “DOWN” pushbutton when adjusting FCR kg via the front panel.

Table 15. Fine Voltage Adjust Setting Ranges

Maximum Adjustment Range: –15% to +15%

adjustment band setting. The default adjustment range is –10% to +10%. See the BESTCOMS Software chapter for information about the Fine Voltage

Communication Port

A communication port is located on the rear panel and consists of a female RS-232 (DB-9) connector. The communication port serves as an interface for programming (setup) of the BE2000E. Figure 2 illustrates the location of the communication port.

Programming requires a standard 9-pin serial communication cable connected between the BE2000E and an IBM-compatible PC or handheld computer operating with BESTCOMS-BE2000E software. BESTCOMS-BE2000E operates with systems using Windows® XP 32-bit SP2/SP3, Windows Vista 32-bit (all editions), Windows 7 32-bit (all editions), and Windows 7 64-bit (all editions). BESTCOMS-BE2000E is supplied with the BE2000E. A detailed description of BESTCOMS-BE2000E is provided in the BESTCOMS Software chapter.

BE2000E Human-Machine Interfac e

12 9287500995 Rev B

P 0007

-41

WARNING! LIVE TERMINALS

AND HEATSINKS

Figure 2. Location of Communication Port

Human-Machine Interface BE2000E

9287500995 Rev B 13

Functional Description

This chapter describes how the BE2000E functions and explains its operating features. To ease understanding, BE2000E functions are illustrated in the block diagram of Figure 3. A detailed description of each function block is provided in the paragraphs under the heading of BE2000E Function Blocks.

BE2000E operating features include four operating modes, four protective functions, startup provisions, reactive droop compensation, underfrequency compensation, and an auxiliary analog input. A detailed description of each operating feature is provided in the paragraphs under the heading of BE2000E Operating Features.

Figure 3. Simplified Block Diagram

BE2000E Function Blocks

The following paragraphs describe each of the function blocks illustrated in Figure 3. The function of each block is explained along with the operation of all function block inputs and outputs.

Analog Inputs

Six analog voltage and current inputs may be sensed and brought to the BE2000E input.

Generator Voltage

Generator voltage is monitored at terminals E1 (A-phase), E2 (B-phase), and E3 (C-phase). Nominal voltages of up to 600Vac may be sensed at these terminals. Voltage applied to these inputs is scaled and conditioned before being applied to the input of the ADC. The voltage signal from phase C and A (V the generator is used by the ADC to calculate the rms value of generator voltage across phases C and A.

BE2000E Functional Description

C-A

) of

14 9287500995 Rev B

Caution

Likewise, the voltage signal from phase C and B (V

) of the generator is used by the ADC to calculate

C-B

the rms value of generator voltage across phases C and B. The rms value of generator phase B to phase A voltage (V phase C to phase B (V

) is calculated by the microprocessor from the phase C to phase A signal (V

B-A

) signal.

C-B

Additionally, the generator phas e C to phase A (V

) signal is applied to a filtered zero cross detector

C-A

) and the

C-A

circuit. This signal is applied to the microprocessor and is used to calculate generator frequency.

Phase B Line Current

The phase B line current (IB) signal is developed through a customer supplied current transformer (CT) and monitored through terminals CT1 and CT2. Current up to 5 amperes rms may be monitored at these terminals. The current monitored at these terminals is scaled and conditioned by an internal current transformer and active circuitry for use by the ADC. The signal applied to the ADC is used to calculate the rms value of phase B line current.

Additionally, the phase angle between phase B line current and phase C to phase A generator voltage is calculated for use during Droop and Var/ Pow er Fact or oper at ion .

Field Voltage (

VFIELD

)

Voltage across the regulator field output terminals, F+ and F–, is monitored, scaled, and conditioned before being applied to the ADC. This signal is used to calculate the dc value of field voltage for use in system protection.

Field Current (I

FIELD

)

Current through the main power output switch is converted to a proportional voltage level. This voltage signal is scaled and conditioned before being applied to the input of the ADC. The result is used to calculate the dc value of field current for use in the Manual mode of operation as well as protection of the system.

Analog (Auxiliary) Input

If the dc voltage is removed from the Analog (Auxiliary) Input, the operating setpoint will return to the original value.

This input allows adjustment of the BE2000E regulation setpoint by the application of a positive or negative dc voltage across terminals A and B. Voltage up to +3 Vdc may be applied at this input. The circuit induces a 1,000-ohm burden on the dc source. The application of a +3 Vdc signal corresponds to a +30 percent change in setpoint.

Contact Input Circuits

Four contact input circuits powered from an internal 13 Vdc supply provide input control from usersupplied contacts.

Raise

Closing a contact across terminals 6U and 7 causes the active operating setpoint to increase. This function is active as long as the contact is closed.

Lower

Closing a contact across terminals 6D and 7 causes the active operating setpoint to decrease. This function is active as long as the contact is closed.

Functional Description BE2000E

9287500995 Rev B 15

Var/Power Factor Control (52J/K)

Closing a contact across terminals 52J and 52K disables var/power factor control. An open contact enables the BE2000E to control the generator reactive power in either the var or the power factor mode. For more information, refer to the Parallel Generator Compensation (52L/M) contact input.

Parallel Generator Compensation (52L/M)

Closing a contact across terminals 52L and 52M disables parallel operation. An open contact enables parallel operation and the BE2000E operates in reactive droop compensation mode.

The 52J/K input has priority. Therefore, if the 52J/K and the 52L/M inputs are both open, the system operates in var/power factor mode.

Communication Port

The communication port provides the interface for user programming (setup) of the BE2000E. Connection is made to the female RS-232 (DB-9) connector with a user-supplied, standard 9-pin cable. The communication port is optically isolated and is powered from a transformer-isolated supply.

Microprocessor

The microprocessor is the heart of the BE2000E and performs measurement, computation, control, and communication functions by the use of its embedded programming and the nonvolatile settings stored in its memory.

Power Input Stage

Input power is applied to terminals 3 and 4 from the PMG. It is rectified and filtered before being applied to the power amplifier and the power supply. Input power is single-phase in the range of 180 to 240 Vac at a frequency of 200 to 360 hertz.

Power Supply

The internal switch-mode power supply receives power from the power input stage and supplies power at the required dc voltage levels to the internal circuitry of the BE2000E.

Power Amplifier Stage

The power amplifier receives power from the power input stage and supplies a controlled amount of power to the exciter field via terminals F+ and F–. The amount of power supplied to the exciter field is based on gating pulses received from the microprocessor. The power amplifier uses a solid state power switch to provide the required power to the exciter field. Power amplifier output to the field is rated up to 75 Vdc at 3 Adc continuous and 150 Vdc at 7.5 Adc for 10 seconds.

Front Panel Indicators

Twelve front panel LED indicators light to indicate various operating modes, protective functions, and adjustments. The Human-Machine Interface chapter provides more information about the front panel indicators.

Front Panel Switches

Changes to settings can be made at the front panel using the three pushbutton switches. These pushbuttons are labeled Select, Up, and Down. The Human-Mac hin e Inter face ch apter prov ides more information about the front panel switches.

Relay Output

A common alarm output contact is provided through terminals AL1 and AL2. This normally open, form A contact annunciates alarm or generator trip conditions and closes in the event of a protective shutdown or transfer. The relay output is non-latching.

BE2000E Functional Description

16 9287500995 Rev B

Warning!

BE2000E Operating Features

The following paragraphs describe the characteristics of each BE2000E operating feature.

Operating Modes

The BE2000E provides up to four modes of operation selectable through Windows® communication software. Automatic voltage regulation mode, Manual mode, Var mode, and Power Factor mode are standard features.

Automatic Voltage Regulation Mode

In Automatic Voltage Regulation (AVR) mode, the BE2000E regulates rms generator output voltage. This is accomplished by sensing generator output voltage and adjusting dc output excitation current to maintain voltage at the regulation setpoint. The regulation setpoint is adjusted by the R aise and Low er contact inputs, front panel switches, or through Windows communication software. The regulation point may also be modified by the Droop function or the Underfrequency function under certain conditions.

Manual Mode

In Manual mode, also known as Field Current Regulation (FCR) mode, the BE2000E maintains dc excitation current at a set level. The current-level setpoint is adjustable from 0 to 3 Adc by the Raise and Lower contact inputs, front panel switches, or through Windows communication software.

The Manual mode excitation level must be evaluated prior to enabling this feature. If the level of excitation current is inappropriate for the generator, severe damage to the generator may occur.

Var Control Mode

In Var Control mode, the BE2000E maintains generator vars (volt-amperes, reactive) at a set level when paralleling with an infinite bus. The BE2000E calculates generator vars using the sensed generator output voltage and current quantities and then adjusts the dc excitation current to maintain vars at the setpoint. Var control is enabled and disabled through the front panel switches or Windows communication software. When the software is turned on, var control is enabled or disabled through the var/Power Factor Control (52J/K) contact input circuit. The var setpoint is adjustable from 100 percent absorb to 100 percent generate through the Raise and Lower contact inputs, front panel switches, or through Windows software.

Power Factor Control Mode

In Power Factor Control mode, the BE2000E maintains generator power factor at a set level when paralleling with an infinite bus. The BE2000E calculates generator power factor using the sensed generator output voltage and current quantities and then adjusts the dc excitation current to maintain power factor at the setpoint. Power factor control is enabled or disabled through the front panel switches or Windows software. When the software is turned on, it is enabled or disabled through the var/Power Factor Control (52J/K) contact input circuit. The power factor setpoint is adjustable between 0.6 lag and

0.6 lead through the Raise and Lower contact inputs, front panel switches or through Windows communication software.

Reactive Droop Compensation

The BE2000E provides a reactive droop compensation feature to assist in the sharing of reactive load during parallel generator operation. When this feature is enabled, the BE2000E calculates the reactive portion of the generator load using the sensed generator output voltage and current quantities and then modifies the voltage regulation setpoint accordingly. A unity power factor generator load results in almost no change in generator output voltage. A lagging power factor generator load (inductive) results in a

Functional Description BE2000E

9287500995 Rev B 17

reduction of generator output voltage. A leading power factor generator load (capacitive) results in an increase of generator output voltage. Droop is adjustable up to 10 percent with rated, nominal B-phase line current (5 amperes applied through terminals CT1 and CT2) and 0.8 power factor. The droop feature is enabled and disabled through the Parallel Generator Compensation contact input circuit (terminals 52L and 52M). The 52J/K input must also be closed to disable droop.

Underfrequency

Generator Underfrequenc y

When generator frequency drops below the selected knee frequency setpoint, the voltage setpoint is automatically adjusted by the BE2000E so that generator voltage follows the selected PU (per unit) V/Hz curve. When operating on the selected PU V/Hz curve, the Underfrequency Active indicator flashes on the front panel and in BESTCOMS™-BE2000E software. The knee frequency is adjustable from 40 to 65 hertz and the PU V/Hz curve may be set to a slope from 1 to 3 in increments of 0.01 through the Windows communication software. The default is 59 Hz and a slope of 1.

Engine Unloading

The engine unloading feature modifies the underfrequency curve. This feature becomes active when the generator frequency decreases a programmable amount (Unloading Activation - Frequency) below the knee frequency setpoint, and when the speed change rate is greater than the Unloading Activation - Rate. The amount of droop while engine unloading is active is adjusted by the Unloading Droop - Percentage (%) setting. The amount of time engine unloading is active is set by Unloading Droop - Time (sec.).

Engine unloading adjustments are made through BESTCOMS-BE2000E software. Unloading Activation - Frequency (Hz) is entered as a value below the underfrequency corner where the

engine unloading feature may be activated. A frequency value of 0.9 to 9.0 Hz can be entered in 0.1 Hz increments. The default value is 0.9 Hz.

Unloading Activation - Rate (Hz/25 ms) of 0 to 25.5 Hz per 25 ms can be entered in 0.1 Hz per 25 ms increments. The engine unloading feature is activated when the frequency rate of change exceeds the setting of this field. The default value is 0.1.

Unloading Droop - Percentage (%) field defines the percent drop in generator output voltage for each 1.5 percent decrease in generator frequency when operating in the Engine Unloading mode. The Unloading Droop Percentage is adjustable from 1 to 20 percent in 1 percent steps. The default value is 10 percent.

Unloading Droop - Time (sec) value defines the length of time that the Engine Unloading mode may be active before control is passed to the normal Underfrequency mode of operation. Droop time is adjustable from 1 to 5 seconds in 1 second increments. The default value is 1 second.

Protection

The BE2000E has the six protective functions listed below:

• Overexcitation shutdown

• Generator overvoltage shutdown

• BE2000E overtemperatur e s hutdow n

• Loss of generator sensing shutdown

• Overexcitation limiting

• Crowbar shutdown

Each function, except Crowbar Shutdown, has a corresponding front panel indicator that lights when the function is active. An active function (except Crowbar Shutdown) is also annunciated through the Windows communication software.

Overexcitation Shutdown (Field Voltage)

This function is enabled or disabled through BESTCOMS-BE2000E software. When enabled, if field voltage exceeds the setpoint (80 Vdc default), the Overexcitation Shutdown indicator flashes on the front panel and in the Windows communication software, the relay output closes after 15 seconds and the

BE2000E Functional Description

+ 57 hidden pages