Feedback DC Electronic Load-400KW-1000VDC

The feedback type DC electronic load realizes the function of automatic energy feedback to the DC load of the power grid, which is more convenient to operate compared to conventional loads

Quick and safer to use. Conventional loads belong to energy consuming loads, and energy is consumed by resistance heating; Feedback type DC electronic load belongs to

 For energy fed loads, energy is fed back to the power grid, which is green, environmentally friendly, reliable, and safe, with outstanding advantages.

Product features:

1. PWM rectification and bidirectional DCDC two-stage circuit design, achieving automatic energy feedback to the load function of the power grid, with energy-saving features,Outstanding advantages of consumption reduction and green environmental protection.

2 mainstream high-frequency PWM rectification control technology, power factor ≥ 0.99, THD and injected harmonic current meet national standards GB/T14549-93 requires high-quality energy feedback to the power grid.

3. High control accuracy: voltage and current accuracy ± 0.1% F.S.

4. Fast dynamic response: 10% -90% sudden loading and 90% -10% sudden unloading response time ≤ 5ms;

5 optimized bidirectional DCDC conversion technology, with a wider DC input voltage range, can achieve 0V full range DC input.CC, CV, and CP work modes.Multiple protection functions: input overvoltage/undervoltage, phase loss, output overvoltage, IGBT overheating, IGBT overcurrent, over temperature protection,Short circuit current limiting protection.

6.Built-in EMI filters can effectively filter out interference signals caused by high-frequency switching processes.

7. Communication and remote control functions: standard CAN, RS232/RS485 communication interfaces, and upper computer remote control software.

8.Under rated conditions, the efficiency can reach up to 95%.

9.Large screen LCD display, compatible with button and touch screen operation, suitable for operation and use in various harsh working conditions.

10.Lock screen (key) function: When the customer does not operate the device for more than 5 minutes, the device will automatically lock the keyboard and touch screen input.

Product application:

1. Fuel cell testing

2. Test of charger and Charging station

3. Battery pack and battery pack discharge test

4. Discharge test of capacitors and supercapacitors

5. Power Electronics Testing

6. Energy storage system inverter test

7. Replace conventional DC loads for use