Precision New Energy Motor Test Fuente de alimentación de CC

Input

Connection mode

Three – phase, three – wire + GND

Voltage

380V±10%

Frequency

50Hz/60Hz±5Hz

Output

Rated power

** kW

Output voltage adjusting range

0V ~ ****V

Output current adjusting range

0A ~ ***A

Output voltage precision

0.5%FS

Output current precision

0.5%FS

Line regulation

≤0.2%FS

Load regulation

≤0.2%FS

Temperature drift

0.04%FS/℃

Time drift

0.3%FS

Ripple (Vr.m.s.)

≤0.5% F.S (measured @ rated voltage with 80%-100% resistive loading)

Response time

≤20ms (measured @ 10%-90% resistive loading)

Efficiency

≥88% (measured @ 80%-100% resistive loading)

Working ability

Withstand long-term continual working.

Setting & Display

Control mode

Local

Front panel LCD touch screen.

Remote

RS485 communication interface.

In line with MODBUS-RTU standard.

Display mode

Touch screen display items as below:

1.    Real-time working state display (fault state, running state, stop state, emergency stop state)

2.    Working mode display (CV / CC)

3.    Output voltage / current display.

4.    Power supply system and fault information queriable.

Set & Display error

Voltage

0.5%FS

Current

0.5%FS

Display resolution

Voltage

Four-digit display with a minimum resolution of 0.01V

(Ue ≤ 30V)

Four-digit display with a minimum resolution of 0.1V

(30V < Ue < 1000V)

Four-digit display with a minimum resolution of 1V

(Ue ≥ 1000V)

Current

Four-digit display with a minimum resolution of 0.01A

(Ie ≤ 50A)

Four-digit display with a minimum resolution of 0.1A

 (50A < Ie < 1000A)

Four-digit display with a minimum resolution of 1A

(Ie ≥ 1000A)

Automatic voltage compensation

≤5V (Ue ≤ 100V)

≤10V (100V < Ue ≤ 300V)

≤15V (300V < Ue ≤ 1000V)

Over-loading ability

Iout≤1.25 Ie, output shutdown after 600s.

Iout≤1.5Ie, output shutdown after 60s.

Iout≤2Ie, output shutdown after 5s

Iout>2Ie, output shutdown immediately.

Energy discharging unit

Discharging unit function

Built-in bleeder resistor for consuming feedback energy generated by motor stall & braking test.

Discharging mechanism

Intelligently detects feedback energy and initiates automatic discharging when the feedback voltage is 5V ~ 10V higher than the output voltage.

Discharging response time

≤1mS

Protection & Monitoring functions

Input protection

Input lack voltage and lack phase protection.

Output over voltage protection (OVP)

Output over voltage protection value settable.

Power supply automatically cuts off output and alarms when output has over voltage.

Output over current protection (OCP)

Output over current protection value settable.

Power supply automatically cuts off output and alarms when the output has over current.

Over temperature protection (OTP)

Power supply automatically cuts off output and alarms when the internal temperature of the power supply exceeds 85 °C.

Output short-circuit protection

Power supply automatically cuts off output and alarms when the output has short-circuit.

Automatic voltage compensation protection

Output over compensation protection / compensation line reverse-connected protection

Discharging – unit protection

Discharging-unit over temperature protection / Discharging-unit short-circuit protection.

Noise

≤65dB

Protection degree

IP20

Cooling method

Forced air cooling

Safety features

Insulation resistance

≥20MΩ

Withstand voltage ability

60s test @ 2000VDC, no flash-over or spark-over.

Grounding inductance resistance

≤100mΩ

Working conditions

Ambient temperature

0℃～45℃

Humidity

10%～90%(non-condensing)

Height

≤2000m

Size (W*H*D) (mm)

600*1700*800