Atec BOP-1 User Manual

KEPCO’S BOP FAMILY OF

FOUR QUADRANT

BIPOLAR POWER SUPPLIES

146-1971a

AN ISO 9001 COMPANY

BOP 200W and 400W (Linear)

M MODELS: Standard - Analog Meter

200W Models: 20V, 36V, 50V, 100V, 200V

400W Models: 20V, 36V, 50V, 72V, 100V

D MODELS: Digital Meter

L MODELS: Optimized for Inductive Loads

C MODELS: Optimized for Capacitive Loads

-4886 MODELS: GPIB Control

BOP 40W High Voltage (Linear)

500V, 1000V

BOP 1KW (Switch-Mode)

MG MODELS: Standard

6V, 10V, 20V, 25V, 36V, 50V, 72V, 100V

GL MODELS: Optimized for Very Low Ripple and Noise

20V, 36V, 50V

Conventional d-c power supplies operate in a single quadrant of the voltage-current axis, delivering stabilized and adjustable d-c voltage or current to a load. They may be voltage stabilized, meaning that the current varies with the load, or they may be current stabilized, meaning that the voltage varies with the load.

Kepco's BOP operate in all four quadrants of the voltage-current axis, therefore their output may swing seamlessly from negative to positive voltage and the output current may also swing from positive to negative values. The result of this is that BOP will function as a source or a sink, meaning it will either deliver power to a load or absorb power from a load. In order to do that, the BOP is built as a power amplifier with a bipolar output, having a frequency bandwidth much larger than a regular power supply. The frequency bandwidth is model and option dependent.

In quadrant 1 of the volt-ampere axis, both voltage and current are positive so the BOP power supply is able to deliver power to a load. In quadrant 3 both are negative and the BOP is also a source. In quadrants 2 and 4, however, the voltage and current are of opposite polarity. In these two quadrants the BOP will act as a sink, absorbing power. The sinking may be transient in

nature as BOP absorbs energy stored in reactive elements or it may be steady state, when for example, BOP controls the discharge of a battery or acting as an electronic load, constant current for an external voltage source, or a constant voltage for an external current source.

FOUR-QUADRANT OPERATION

FROM A KEPCO BOP POWER SUPPLY

+ CURRENT

LIMIT

– CURRENT

LIMIT

The BOP 1KW has two primary control channels: voltage or current. Either of these may be controlled from full plus setting to full minus setting. To assure that they will intersect in one of the two source quadrants to form a closed boundary as do conventional unipolar power supplies,four auxiliary limit channels are provided: plus voltage, minus voltage , plus current and minus current. T hese four are controllable from a very small value to the nominal values. Their control does not pass through zero as do the primary voltage and current channels. The intersection of whichever primary control channel is engaged by the load and the respective limit channel does form a closed boundary , and a variable load automatically crosses over from the primary channel to the limit channel.

KEPCO, INC. • 131-38 SanfordAvenue• Flushing, NY 11355 USA

Tel: (718) 461-7000 • Fax: (718) 767-1102

Email: hq@kepcopower.com • www.kepcopower.com

1000 WATT

BOP 6-125MG 0 to ±6 0 to ±125 0.6 12.5 0.05 1.5 24 1150

BOP 10-75MG 0 to ±10 0 to ±75 1.0 7.5 0.13 2.0 67 976

BOP 20-50MG 0 to ±20 0 to ±50 2.0 5.0 0.40 8.3 200 371

BOP 25-40MG 0 to ±25 0 to ±40 2.5 4.0 0.63 15.8 313 165

BOP 36-28MG 0 to ±36 0 to ±28 3.6 2.8 1.30 25 640 103

BOP 50-20MG 0 to ±50 0 to ±20 5.0 2.0 2.50 50 1250 55

BOP 72-14MG 0 to ±72 0 to ±14 7.2 1.4 5.14 104 2570 33

BOP 100-10MG 0 to ±100 0 to ±10 10.0 1.0 10.0 163 5000 16

BOP 1KW MODEL TABLE

NOTE: When connecting active loads, the steady-state voltage of the active load must not exceed the maximum voltage rating of the BOP. Otherwise the overvoltage protection will shut down the power supply.

d-c OUTPUT RANGE CLOSED LOOP GAIN

VOLTAGE

CHANNEL

GV(V/V)

VOLTAGE

V d-c

CURRENT

A d-c

MODEL CURRENT

CHANNEL

GI(A/V)

VOLTAGE MODE

SERIES RmΩSERIES LµHSHUNT RΩSHUNT C

µF

CURRENT MODE

OUTPUT IMPEDANCE

BOP 1KW (Switch-Mode)

WHAT IS A 4QUADRANT

POWER SUPPLY?

Using switch-mode technology for low dissipation when sinking power from an active load, the BOP 1KW recuperate the energy for reuse. The key to this is a bi-directional a-c input power factor correcting (PFC) circuit, which allows transparent energy interchange without dissipative internal sinking.

YOU CAN MODEL MANY REAL-WORLD PHENOMENA IN WHICH POLARITY OR DIRECTION IS AN ISSUE

RIGHT/LEFT UP/DOWN HOT/COLD

CLOCKWISE/COUNTERCLOCKWISE

CHARGE/DISCHARGE FORWARD/REVERSE

APPLICATIONS FOR KEPCO’S

BOP 1KW

Automotive

Battery and Motor

Simulation and Testing

Wafer Deposition

and Electroplating

Magnet Applications

Particle Beam Correctors and Injectors,

Medical Imaging, etc.

Solar Panel Research and Testing

BOP 1KW FEATURES

KEPCO, INC. • 131-38 SanfordAvenue• Flushing, NY 11355 USA

Tel: (718) 461-7000 • Fax: (718) 767-1102

Email: hq@kepcopower.com • www.kepcopower.com

BOP 1KW PHYSICAL CHARACTERISTICS

SPECIFICATIONS RATING/DESCRIPTION CONDITION

Dimensions

5.25" x 19" x 21.5" H x W x D

English

133.3 x 482.6 x 546.1 mm

metric

Weight

53 lbs

English

24.1kg

metric

* BOP 6-125MG and BOP 10-75MG only.

BOP 1KW INPUT CHARACTERISTICS

SPECIFICATIONS RATING/DESCRIPTION CONDITION

a-c Voltage

230V a-c

Single phase

nominal

176-264V a-c

range

Current

9.5A (7.5A)* Maximum

176V a-c

6.4A (4.4A)* Maximum

264V a-c

Frequency

Power Factor

Efficiency 65% (56%)* Minimum

when sourcing

Active PFC for

source and sink

50/60 Hz

47-63 Hz

0.99

0.97

Nominal output power

Complies with EN 61000-3-2

nominal

range

source

sink

Switching Frequency 70 KHz ±5%

(50KHz ±5%)*

BOP 1KW PROGRAMMING/DISPLAY CHARACTERISTICS

SPECIFICATIONS RATING/DESCRIPTION CONDITION

Full range output

0.5% to 100%

of nominal range

Direct entry

SCPI

Used for series

and parallel

configurations

Analog Control

-10V to +10V

voltage or current

main channel

+0.05V to +10V

voltage and current

protection limit channel

Digital Control

Display

Panel-mounted keypad

IEEE 488-2 (GPIB)

RS 232

RS 485 (BITBUS)

4" backlit LCD displays

all functions

All parameters read back on

RS 232 and GPIB buses

local

remote

front panel

remote

+ –

BOP 1KW GENERAL (ENVIRONMENTAL) SPECIFICATIONS

SPECIFICATIONS RATING/DESCRIPTION CONDITION

Temperature

0 to +50°C

Full rated load

operating

Vibration

10mm double amplitude 3-axes, non-operating

5 -10 Hz

-20 to +85°C

storage

2g 3-axes, non-operating

10-55 Hz

Cooling

Two internal fans Exhaust to the rear

Humidity

0 to 95% RH Non-condensing

Shock

20g, 11msec ±50% half sine

Non-operating

Altitude

Sea level to 10,000 ft.

For full specs, visit our Web site at www.kepcopower.com/bophi.htm

• Full 4-quadrant, 1000 watt, source-sink operation.

• Energy recuperation, during sink-mode, through a patented bi-directional PFC circuit.

• Meets the EN61000-3-2 harmonic limits. A built-in EN55011 Class A input EMI filter is provided.

• High efficiency switch-mode operation.

• Output voltage from ±6V to ±100V.

• Full digital control with built-in standard GPIB. Compatible with IEEE 488.2. Accepts standard SCPI commands. VISA driver provided. Also supports RS 232 bus.

• Large graphic LCD, displays settings and output voltage and current.

• Keypad control from front panel with menu to access functions.

• Calibration adjustments are made via the remote interface or locally from the keypad and are stored in non-volatile memory. Calibration is password protected.

• CE; Complies with the requirements of the Low Voltage Directive 73/23/EEC, the Marking and Declaration Directive 93/28/EEC, and the EMC Directive 89/336/EEC.

• Built-in complex waveform generator.

• Parallel (max. 5 units) or Serial (max. 3 units) connection of identical units. Parallel and Series connecting cables are required; contact factory for pricing.

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