MR TAPCON 230 VC Operating Instructions Manual

www.reinhausen.com

Voltage Regulator TAPCON® 230 VC (Substitution for VC 100)

Operating Instructions BA 251/02

251/02 en

1

Contents

Contents

1 General .............................................................................................................................................................................................................. 4

1.1 Safety instructions ............................................................................................................................................................................ 4

1.2 Specified application ....................................................................................................................................................................... 4

1.3 Design and performance features of the TAPCON® 230 VC................................................................................................ 5

2 Technical Data................................................................................................................................................................................................ 6

3 Operation ......................................................................................................................................................................................................... 9

3.1 Input and output of data; functions .......................................................................................................................................... 9

3.2 Description of the front panel ...................................................................................................................................................... 9

3.2.1 Display..................................................................................................................................................................................... 10

3.2.2 Local/remote switch ........................................................................................................................................................... 11

4 Parametering .................................................................................................................................................................................................. 11

4.1 Normset setting ................................................................................................................................................................................. 11

4.2 Setting the desired voltage level 1 .............................................................................................................................................. 12

4.3 Setting the bandwidth .................................................................................................................................................................... 12

4.4 Setting the delay time T1 or T2 (DELAY 1/DELAY 2) and pulse duration (option) ........................................................ 12

4.5 Setting the overvoltage detection (U>) with automatic return control ......................................................................... 13

4.6 Setting the undervoltage blocking (U<) .................................................................................................................................... 13

4.7 Setting the overcurrent blocking (I>) ......................................................................................................................................... 13

4.8 Measuring transformers (VT, CT configuration) ....................................................................................................................... 15

4.9 Setting the desired voltage levels DVL2 and DVL3 ................................................................................................................. 15

4.10 Line compensation ............................................................................................................................................................................ 15

4.10.1 Line drop compensation (LDC) ........................................................................................................................................ 15

4.10.2 Z-Compensation .................................................................................................................................................................. 16

4.11 Analog remote position indication (option) ............................................................................................................................. 16

4.12 Voltage regulator identification ................................................................................................................................................... 17

4.13 Setting the unit to V or kV ............................................................................................................................................................. 17

4.14 Selection of the display in the 4th line of the display ........................................................................................................... 17

4.15 Language selection ........................................................................................................................................................................... 17

2

251/02 en

Contents

5 Commissioning ............................................................................................................................................................................................... 18

5.1 Installation .......................................................................................................................................................................................... 18

5.2 Connection .......................................................................................................................................................................................... 18

5.3 Easy setting of operating modes with Normset ...................................................................................................................... 19

5.4 Function tests; operational settings............................................................................................................................................ 19

5.5 Tap position indication .................................................................................................................................................................... 20

6 Parallel operation.......................................................................................................................................................................................... 21

6.1 Parallel operation with "Minimum Circulating Reactive Current Method“ .................................................................... 22

6.1.1 System configuration, settings ....................................................................................................................................... 22

6.1.2 Setting the interference variable (CIRCUL. REAC. CURR. STABILITY) .................................................................. 22

6.1.3 Setting the bandwidth for circulating reactive current (blocking threshold) ................................................. 22

6.1.4 Function tests, commissioning ........................................................................................................................................ 23

6.1.4.1 Preliminary settings .......................................................................................................................................... 23

6.1.4.2 Setting the interference variable (CIRCUL. REAC. CURR. STABILITY) ................................................ 23

6.1.4.3 Setting the circulating reactive current monitoring

(CIRCUL. REAC. CURR. MON. BANDWIDTH) ............................................................................................... 23

6.2 Parallel operation according to synchronized tap-change operation Master/ Follower ............................................ 23

6.2.1 System configuration, settings, transfer of the on-load tap-changer setting................................................ 24

6.2.1.1 Setting the tapping position range ............................................................................................................. 24

6.2.1.2 Selecting the Master/Follower operation .................................................................................................. 25

6.2.2 Function tests, commissioning and preliminary settings ........................................................................................ 25

6.3 Parallel operation with existing parallel control unit SKB 30 based on

"minimum circulating reactive current" .................................................................................................................................... 25

6.4 Disturbances during parallel operation...................................................................................................................................... 25

7 Appendix ........................................................................................................................................................................................................... 27

NOTE

A "PARAM?" message appearing in the first line of the display indicates a negative result of the parameter verification that may
be caused by interference above the permissible electromagnetic compatibility limit (see information on standardisation and
verification in section 2). In this case, voltage regulation is blocked for safety reasons.
Check the settings in order to clear the blocking. Press and hold the "SELECT" key and press the "" or "" key for displaying
the current settings (see section 3.2.1). Voltage regulation is reinstated once invalid settings have been corrected while cycling
through the menu. The status LEDs and status relays are activated, and the display shows the current measurement readings.

NOTE

Data contained herein may differ in details from the equipment delivered. We reserve the right to make alterations without
notice.

251/02 en

3

1 General

1 General

1.1 Safety instructions

All personnel involved in installation, commissioning,
maintenance or repair of this equipment must:

- be suitably qualified and

- strictly observe these operating instructions.

Improper operation or misuse can lead to

- serious or fatal injury,

- damage to the equipment and property of the user
and

- a reduction in the efficiency of the equipment.

Safety instructions in this manual are presented in three
different forms to emphasize important information.

WARNING

This information indicates particular danger to life and
health. Disregarding such a warning can lead to serious or
fatal injury.

CAUTION

This information indicates particular danger to the equip­ment or other property of the user. Serious or fatal injury
cannot be excluded.

NOTE

1.2 Specified application

The electronic voltage regulator TAPCON® 230 VC serves for
automatic control of transformers with a motor-driven on­load tap-changer. The motor-drive mechanism receives the
corresponding control commands from the voltage regulator.
With these commands, the on-load tap-changer moves to
the next position and the transformer’s voltage value is
adapted to the preset desired voltage level.

To allow individual adaptation of the control system to the
various field service conditions encountered, influencing
variables such as time delay, bandwidth, and even line­dependent and load-dependent parameters can be pro­grammed for compensation of voltage-dependent and/or
current-dependent limits. As a special feature, the voltage
regulator is also capable of controlling parallel transformer
operation.

CAUTION

Installation, electrical connection and commissioning of
the electronic voltage regulator may only be carried out
by qualified, skilled personnel and only in accordance with
these operating instructions.
It is the responsibility of the user to make sure that the
electronic voltage regulator is used for the specific
application only. For safety reasons, any unauthorized and
improperly executed works, i.e. installation, modification,
alteration of the equipment, electrical connection, or
commissioning of the equipment, are forbidden without
first consulting MR!

The trouble-free operation of the drive, the on-load tap­changer, and the transformer may be put at risk.

These notes give important information on a certain
subject.

4

WARNING

All relevant fire protection regulations must be strictly
observed

251/02 en

1 General

1.3 Design and performance features of the
TAPCON® 230 VC

The electronic voltage regulator TAPCON® 230 VC is mounted
in a protective housing with hinged cover and inspection
win-dow. The protective housing is suitable for both flush
and projected panel mounting.

The front panel contains several function keys for setting the
individual operating parameters.

Display of the operating status is achieved by a 4-line,
16-digit alphanumeric LC display and light emitting diodes.

The electronic voltage regulator is controlled by a micro­controller (see appendix, block/connection diagram).
Besides a voltage transformer and a current transformer it
contains optocoupler inputs with potential separation as well
as potential-free output relay contacts.

Apart from the usual well-known, versatile and individual set­ting options for the MR control system, the TAPCON® 230 VC
voltage regulator also offers the option of fast and easy
parametering by introducing the innovative "Normset"
function.

The term „Normset“ function stands for an automatism
which considerably simplifies the configuration of a voltage
regulator. If the desired voltage level is entered while the
„Normset“ function is active, the voltage regulator will
examine the given line/network conditions and proceed to
perform an automatic adaptation of all further inputs
(comprised in part of the pre-parametering and standard
reference values) which used to be required for customary
regulators (also refer to the standard configuration accord­ing to Sub-menu 2).

Parallel operation follows alternatively the principles of
either minimum circulating reactive current or the Master/
Follower principle for two transformers.

Using a supplementary device, up to six transformers can be
controlled in parallel operation using the principle of
minimum reactive current.

NOTE

When voltage regulation is effected by tap transformers
and voltage regulators, it is assumed that a change of the
tap position results in a significant voltage change. When
generators feed the voltage level to be regulated, however,
quite different conditions may result so that a correct
regulation of the voltage cannot be guaranteed. In such
cases MR should be consulted as early as the planning
stage.

The parameters of the regulator can be set by means of a PC
via the incorporated serial interface (RS232) integrated in
the regulator; the appropriate PC software will be furnished
by MR.

A load-dependent line-voltage drop, e.g. of a spur line lead­ing from the transformer to the load, can be compensated
either by line simulation (Line Drop Compensation) or by
load-current dependent increase of the voltage level
(Z compensation).

Trouble-free operation is ensured by the regulator’s inherent
undervoltage blocking, overcurrent blocking and overvoltage
monitoring.

The functions of the TAPCON® 230 VC voltage regulator are
just about compatible with those of the earlier voltage
regulators VC 100-BU.

251/02 en

5

2 Technical Data

2 Technical Data

Setting ranges

Standard Standard
setting range step width

Desired voltage level 1 85 – 140 V 0.1 V steps

Desired voltage level 2 85 – 140 V 0.1 V steps

Desired voltage level 3 85 – 140 V 0.1 V steps

Bandwidth ± 0.5 ... ± 9 % 0.1 %

Delay time T1 0 ... 180 s 1 s

Delay time T2 1 … 10 s 1 s

Switching pulse duration 0.5 ... 10 s 0.5 s

LDC Ur = 0 ... ± 25 V 0.1 V

Ux = 0 ... ± 25 V 0.1 V
With optional
Z compensation selection Voltage rise 0.1 %

0...15 %

Limitation 0...15 % 0.1 %

Undervoltage blocking 70 ... 99 % 1 %
Overvoltage detection 101 ... 130 % 1 %
with high speed return control pulse signal 1.5 / 1.5 s

Overcurrent blocking 50 ... 210 % 5 %
Voltage transformer 0.1 ... 999,9 kV/100 V
Current transformer 100 ... 5000 A/5/1/0.2 A

Measuring circuit Phase angle adjustable

between current and

voltage circuit:

-30° 3-phase
0° 3-phae

+30° 3-phase
+90° 3-phase

0° 1-phase

6

251/02 en

2 Technical Data

Display 4-line, 16-digit LC display

1 LED lamp (green) for signalling status
1 LED lamp (red) each for signalling U<, U>, I>
1 LED lamp (green) for signalling“parallel operation active“ status
1 LED lamp (green) for signalling "Normset active“ status

Inputs and outputs Input relays Output relays

1x parallel Rating of relay contacts:
1x high-speed circuit breaker of voltage AC: 250 V 5 A

limit monitoring indicator DC: 30 V 5 A; 110 V 0.4 A;
1 x analogue input of tapping position 4- 20 mA 220 V 0.3 A
1 x desired voltage level 2 1 x raise
1 x desired voltage level 3 1 x lower

1 x automatic control mode
1 x status
1x group interrupt U<, U>, I>
1x monitoring (function monitoring)

Voltage transformer 85 ... 140 V, measuring range 60 ... 185 V,

r.m.s. value 40 ... 60 Hz, intrinsic consumption < 1 VA

Current transformer 0.2 / 1 / 5 A, 40 ... 60 Hz, r.m.s. value

intrinsic consumption < 1 VA,
overload capacity 2x In continuously, 100x In/1 s

Measuring errors Voltage measuring: < 0.3 % ± 40 ppm/°C

Current measuring: < 0.5 % ± 40 ppm/°C

Serial interfaces 1 x RS232 (COM1) for

parametering via PC
1 x RS 232 for parallel operation of two transformers with a second regulator or for parallel
operation with digital MR parallel control unit SKB

IEC EN 60688

Power supply 115 V (+25 % - 35 %) 40 - 60 Hz, can be changed over either from

the measuring voltage or by separate change-over in the factory to
a supply voltage of 230 V

Power consumption approx. 5.5 VA (at 115V, idle state)

251/02 en

7

2 Technical Data

Protective housing Steel-plate housing with inspection window for flush or projected panel mounting

W x H x D: 216 x 326 x 137mm
Degree of protection provided by enclosure: IP 44 according to IEC 60529
Weight: approx. 5.4 kgs

Temperature limits Admissible ambient temperature for operation: -10 °C ... + 70 °C

Admissible ambient temperature for storage and transport: -25 °C ... +80 °C

Tests

IEC 255-5 Dielectric tests performed at 2.5 kV/1 min operating frequency and 5 kV, 1.2|50 μs impulse voltage

IEC 61000-4-2 Interference immunity tests (EMC): electrostatic discharge 4 kV / 8 kV

IEC 61000-4-3 Interference immunity tests (EMC): electromagnetic fields 10 V/m

80-1000 MHz

IEC 61000-4-4 Interference immunity tests (EMC): burst 1MHz, 4 kV

IEC 61000-4-5 Interference immunity, surge 2 kV

IEC 61000-4-6 HF interference immunity of leads: 10V, 150 kHz – 80 MHz

EN 61000-6-2 Immunity for industrial environments

EN 61000-6-4 Emission standards for industrial environments

VDE 0435 Short-time current and continuous rating of the current transformer inputs,

100 x In/1s and 2 x In/continuously

VDE 0100 Provisions governing the erection of electrical power installations featuring rated system voltages

up to 1,000 V
Grounding conductors, protective conductors, equipotential bonding conductors,

arrangement of operating elements

IEC 61010 / VDE 0411 Safety requirements for electrical equipment for measurement, control, regulation and

laboratory use

VDE 0110 Provisions governing the rating of clearance in air and creepage distances in electrical equipment

IEC 60529 Determination of the degree of protection provided by enclosures: „Shock-hazard protection,

protection against ingress of solid foreign bodies and protection against the ingress of water for
electrical equipment“ Level IP00

IEC 60068 Basic environmental test procedures

IEC 60068-2-1 Cold test for heat-dissipating specimens, with slow temperature change rate -10°C / 20 hours

IEC 60068-2-2 Dry-heat test for heat-dissipating specimens, with slow temperature change rate

+70 °C / 16 hous

IEC 60068-2-3 Humid heat, constant

+40 °C / 93 % / 56 days

IEC 60068-2-30 Humid heat, cyclical (12 + 12 hours)

+ 55 °C / 93 % and + 25 °C / 95 % / 6 cycles

IEC 60068-2-31 Drops and topple, unpacked, 100 mm height

IEC 60068-2-32 Free fall, unpacked, 250 mm height

IEC 61000-4-8 Power frequency magnetic field immunity test

IEC 61000-4-11 Voltage dips, short interruptions and voltage variations immunity tests

8

251/02 en

3 Operation

3 Operation

3.1 Input and output of data; functions

The following instructions tell you how to call up the basic
functions of the TAPCON® 230 VC voltage regulator and how
to reset parameters.

3.2 Description of the front panel (fig. 1)

Generally, the keys located at the front panel fall into two
different basic groups.

• Operating keys

• Function keys for menu guidance
The LED’s located in the front panel’s upper area serve for

signalling the following system statuses:

• Operating status display

• Overcurrent blocking

• Undervoltage blocking

• Overvoltage monitoring

• Parallel operation

• NORMSET

Change-over
between manual
mode/automatic mode

Reset
setting values via
the Higher/Lower keys

LCD-Display

Parametering
interface









Light-



emitting
diodes

Reset setting



values
via „SET“

Change the



windows via
the Higher/
Lower keys

1

251/02 en

9

3 Operation

3.2.1 Display

<

<

The TAPCON® 230 VC contains a 4-line, 16-digit LC display.
A distinction is made between the two following types of

displays: Basic display and parametering display.

a) Basic display
In addition to the actual voltage level, the desired voltage

level and the deviations the basic display indicates an
additional measuring value in the 4th line during normal
operation. Selection of this measuring value in the display
window „SELECT 4th LINE“.

The following values are available:

- Current I - Power factor cos PHI

- Apparent power S - Frequency f

- Reactive power Q - Status line

- Active power P - Position, optional

- Phase angle PHI

ACTUAL VOLT.LEVEL 64.90 kV
DESIRED VOLT.LEVEL 66.00 kV
dU% 1.67 %
CURRENT I 253 A

b) Parametering display windows
The TAPCON® 230 VC contains parametering display
windows which serve to display set parameters and allow the
user to modify any previously set parameters to suit his
specifica-tions.
Generally, these windows are set up as follows:

- 1st line: Title/designation of the parameter

- 2nd line: Set value

- 3rd line: Possible setting values and/or setting limits

- 4th line: Serial number of the display

DESIRED VOLT.LEVEL SW1
110V
(85V- 140V)

02/30

The displays are situated behind one another in a ring­shaped arrangement, as shown in the illustration to the right,
and can be selected by operating the function keys SELECT

and . The display will remain visible for as long as
the SELECT key is being pressed, plus an additional 10
seconds after the SELECT key was released. It is possible to
move in both directions within the menu. As a result, display
no. 30 of the basic display can be reached just as quickly as
display no. 1.

The preset value can be altered within the setting values and/
or setting limits by operating the SET and func­tion keys. Once the SET key is released, the new value will be
set to ‚active’.
For parametering purposes, please use the displays listed
below, the functions of which are explained in detail in the
following.

10

NORMSET
ON
ON/ OFF

DES.VOLTAGE LEVEL DVL1
100V
(85V- 140V

BANDWIDTH

9.0%
(0.5% - 9%)

DELAY T1
10s
(0s- 180s)

T1 LINEAR INTEGRAL
LINEAR
(LINEAR/INTEGRAL)

DELAY T2
10s
(PERM,1-10s,OFF)

OVERVOLTAGE U>
105%
(101%-130%)

UNDERVOLTAGE U<
70%
(70%- 99%)

OVERCURRENT I>
110%
(50% - 210%)

NOM.TRANSF.VOLTAGE

10.0V
(0.1kV- 999.9kV)

CURRENT
100A
(100A- 5000A)

TRANSFORMER PHASE
90 3 PH
(30,0,30,90,1PH)

DES.VOLT.LEVEL DVL2
100V
(85V- 140.0V)

DES.VOLT.LEVEL DV3

100.0V
(85.0V- 140.0V)

LDC UR

0.0V
(-25.0V - 25.0V)

01/30

)

02/30

03/30

04/30

05/30

06/30

07/30

08/30

09/30

10/30

11/30

12/30

13/30

14/30

15/30

LANGUAGE
GERMAN
GER/GB/F/E

SELECTION 4th LINE
CURRENT I
(I,S,Q,P,PHI,..)

DISPLAY V/kV
kV
(V/ kV)

H/T PULSE DURATION
0,5 s
(0.0 s - 10.0 s)

VOLT.REG.IDENTIFIER
1111
(0- 9999)

PARAL. OPERATION
TWIN PARALLEL
SKB/TWIN PARALL

CIRCUL.REAC.CURR.
BANDWIDTH
20%
(0.5% - 20.0%)24/30

CIRCUL.REAC.CURR.
STABILITY

0.0
(0.0- 100.0) 23/30

TAPPING DIRECTION
NEGATIVE
POSITIVE / NEGATIVE

POS MAX
35
(-35 – 35)

POS MIN
1
(-35 – 35)

SELECT PARALLEL
CIRCUL.REAC.CURR.
CRC/MAST/FOLLOW

Z-COMP LIMIT

0.0%
(0%- 15.0%)

Z-COMP VOLTRISE

0.0%
(0.0% - 15.0%)

LDC UX

0.0V
(-25.0V - 25.0V)

<

<

30/30

29/30

28/30

27/30

26/30

25/30

22/30

21/30

20/30

19/30

18/30

17/30

16/30

251/02 en