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SEVB-650-100K

Resistor braking type unidirectional DC power supply

 SEVB series resistance braking type DC test power supply is a test power supply equipment specially developed for the product test of the drive motor system production line. Adopt full-range ZVZCS soft switching technology, the whole machine efficiency is higher than 90%, double closed-loop control circuit, high output precision, high efficiency and stable operation.

Technical Features

▊Isolated output circuit to ensure safe operation.


▊The full range of output voltage and output current is adjustable.


▊The operation interface adopts a seven-inch touch screen, which is convenient to operate.


▊It has various output modes of constant voltage, constant current and limited power.


▊It has a multi-stage filter circuit to reduce the harmonic interference to the power grid.


▊Double closed-loop control circuit, fast response and stable output.


▊Equipped with a discharge device to meet the instantaneous energy consumption of the motor test.


▊Adopt full range ZVZCS soft switching technology, the whole machine efficiency is higher than 90%.


▊It has RS485 communication interface and adopts MODBUS-RTU communication protocol.


▊With external analog interface, it can realize external detection of power supply status and control power output

1、主界面

 

SEVB-650-100K(图1)


Data viewing: After the system is powered on, the display enters the power-on self-test, and after the self-test is over, the main interface is automatically opened. In the main interface, you can easily view the current output and set value of the device.


Output setting: Click the setting button to open the setting page, enter the required voltage and current value, and click OK. If the device has been activated, the output will change to the newly set value; if the device has not been activated, after modifying the set value, the device needs to be activated to obtain the output.


Start and stop operation: The device can be started and stopped by clicking the start or stop button.


technical parameter


model

model

SEVB-650-100KW

System solutions

High frequency conversion technology based on ZVZCS technology + resistance discharge type

The modular design of the test power supply consists of three 650V55A power supply modules.

enter

Phase

3φ3WG

Voltage

380V±10%

frequency

50Hz±3Hz

output

voltage range

24-650V

Rated voltage

500V

Rated current

200A

peak current

400A

rated power

100KW

peak power

200KW

peak time

5S

Voltage accuracy

 0.5%·FS+5dgt

Response time

 50ms10%-90%sudden load

Voltage ripple (rms)

0.5%·FS

Voltage drop compensation

Automatic lead drop compensation

energy discharge

Power consumption

100%energy

switching time

≤1ms

discharge voltage

Program-controlled independent setting

Discharge voltage accuracy

≤0.1%

control method

IGBT PWM controllability

Discharge resistance power

30KW

Job Features

The operation of the brake discharge unit is uniformly controlled by the touch screen without manual intervention.

Communications and Operations

Operation interface

touch screen

external communication

RS485 (standard)/network port (optional)/CAN (optional)

Protect

enter

Undervoltage, overvoltage, overcurrent, phase loss

output

Over voltage, over temperature, over current

Environmental Conditions and Safety

Protection class

IP21 (indoor)

cooling method

forced air cooling

ambient temperature

-2050

Relative humidity

10-90% (non-condensing)

noise

65dB


related product recommendation

online service

Tel

13064016880(Sales)
13021708831(Technology)
AC and DC Power Division
boss Zhang:18560013345
Aviation and Military Power Division
boss Liu:18660133666

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