Kepco BOP series four quadrant bipolar power supply

Product Overview and Core Positioning

BOP=Bipolar Operational Power Supply

Working mode: Four quadrant operation, capable of outputting and absorbing power (source/drain integrated)

Voltage range: ± 6V~± 1000V

Power range: 40W/200W/400W/1000W

Technical type:

Linear type: 200W/400W/40W high voltage

Switch type: 1000W (with energy recovery)

Core applications: Simulating bidirectional loads, battery testing, motor/magnet drives, piezoelectric loads, electroplating, particle beam, medical imaging, solar energy testing

Core technical principle: Four quadrant operation

Quadrant I and III: Power output from the power supply to the load (source mode)

Quadrant II and IV: The power supply absorbs energy from the load (discharge mode)

Advantages: Smooth zero crossing of voltage/current, no commutation dead zone, capable of driving inductive/capacitive loads

Full series model classification (clearest)

1) BOP 1000W switch type (MG/GL)

Features: Bidirectional PFC, energy recovery feedback to the grid, high efficiency, digital control

Model: ± 6V/± 10V/± 20V/± 25V/± 36V/± 50V/± 72V/± 100V

GL version: Ultra low ripple (voltage 0.02% rms, current 0.01% rms), suitable for magnets/motors

2) BOP 200W/400W linear type (M/D/L/C/4886)

M: Simulated header

D: Digital display

L: Optimize the driving of inductive loads (up to 1H)

C: Optimize driving capacitive load (maximum 10mF)

-4886: GPIB Program Control

3) BOP 40W High Voltage Linear Type

BOP 500M：±500V / 80mA

BOP 1000M: ± 1000V/40mA (model corresponding to document title)

Key parameters of BOP 1000M (high voltage model)

Output: ± 1000V/± 40mA

Closed loop gain: voltage 100V/V, current 4.0mA/V

Output impedance: Voltage mode 0.2 Ω, current mode 400M Ω

Bandwidth: High speed linear amplifier stage, suitable for dynamic waveform output

Usage: High voltage testing, static electricity, particle acceleration, research high-voltage source

Core functions and features

1) Control ability

Dual main channels: voltage mode/current mode

4-channel limiting: positive/negative voltage limit, positive/negative current limit

Front panel keyboard+graphic LCD

Support: GPIB (IEEE488.2)/RS232/RS485, SCPI command

2) Built in arbitrary waveform generator

Can be combined: sine, triangle, ramp, sawtooth, square wave, DC

Each waveform has a maximum of 3933 points, and can be cycled 1-255 times or run continuously

Can simulate distortion, drop, and noise superposition for reliability testing

3) Protection function

Output overvoltage/overcurrent, overheating, fan failure, PFC abnormality

Input circuit breaker protection

After the protective action, it is locked and needs to be reset or restarted

4) Parallel/series expansion

Parallel connection: up to 5 units of the same model, increased current

Series connection: up to 3 units of the same model, turbocharged (up to 300V)

Master slave control, automatic current/voltage equalization

Dedicated optimized version (engineering key)

① L-type: Inductive load optimization (coil/motor/magnet)

Stable driving 1H inductor

Adjustable current mode bandwidth, no oscillation

Applications: Motor testing, magnetic field coils, CRT deflection, low-temperature magnets

② Type C: Capacitive Load Optimization (Piezoelectric/Capacitive/Battery)

Stable driving of 10mF capacitor

The ripple ratio is 50% lower than the standard model

Applications: solar cells, piezoelectric actuators, capacitance testing, electroplating

③ GL type (1000W): ultra-low ripple

Specially designed for high-precision magnetic fields and scientific research equipment

Key points of electrical specifications

input

Single phase 176~264VAC, 50/60Hz

Power factor: source mode 0.99, drain mode 0.97

Complies with EN61000-3-2 harmonic standard

Output accuracy (typical)

Source effect: 0.05%

Load effect: 0.1%

Temperature drift: 0.02%/° C

Ripple: Switching type 2% p-p, lower for linear/C/GL type

bandwidth

1000W voltage channel: up to 2kHz

Current channel: up to 800Hz

Linear high-speed type can reach tens of kHz

Typical applications (clearly listed in the document)

Automotive: Battery/Motor Simulation and Testing

Solar energy: I-V curve, dark characteristic testing (standard LabView driver)

Magnetic/Coil: Particle Beam Correction, Medical Imaging Magnet

Semiconductor: wafer deposition, electroplating

Industrial testing: piezoelectric, capacitive, inductive load, bidirectional power supply simulation

Physics and Environment

Size: 1000W, 19 “rack, 5.25” high

Weight: Approximately 24kg

Working temperature: 0~50 ° C

Cooling: Dual fan rear air outlet

Certification: CE, EMC, Low Voltage Directive Compliance