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Product introduction |
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The FRDCS series isolated DC load with high control precision, fast response, perfect protection function and two-way operation. |
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Technical advantages |
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Bi-directional flow of DC load, which adapts to energy feedback and dynamic response of test system; |
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Can operate with 1.1 times overload for long time; |
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Wide DC voltage range; |
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Built-in power frequency isolation transformer; |
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High control precision, fast response and perfect protection function; |
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The man-machine interface adopts LCD touch screen design, which is convenient and quick to operate； |
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Max 8 units in parallel and max output current reaches 6400A. |
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Applications |
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Test and aging of Fuel cell and DC/DC converter; |
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Test and aging of power supply products; |
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Charge and discharge test of various power batteries; |
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Test and aging of E&E equipments. |
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Product parameters |
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Model |
FRDCS-50KT |
FRDCS-120KT |
FRDCS-250KT |
FRDCL-100KT |
FRDCL-150KT |
FRDCL-250KT |
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Rating |
voltage |
60~500V |
200~850V |
480~850V |
20V~800V |
20V~800V |
50V~800V |
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current |
500A |
600A |
520A |
800A |
800A |
800A |
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power |
50kW |
120kW |
250kW |
100kW |
150kW |
250kW |
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Response time |
< 10 ms |
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Operating mode |
Constant voltage, constant current, constant resistance, and constant power |
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Overload operation |
110% for long time running |
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Number of units in parallel |
Max 8 units in parallel and max output current reaches 4000A |
Max 8 units in parallel and max output current reaches 6400A |
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Accuracy of setting |
voltage |
≤0.1%FS+5dgt |
≤0.1%FS+5dgt |
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current |
≤0.5%FS |
≤0.1%FS |
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AC input |
voltage |
380Vac±10%, three-phase three-wire |
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frequency |
50Hz±5% |
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max current |
80A |
190A |
397A |
160A |
238A |
397A |
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Distortion rate of total input current |
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＜3%@rated power |
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Power factor |
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＞0.99 |
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DC component |
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＜5%@rated power |
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General parameters |
dimension |
1000x1800x850 |
1200x1800x850 |
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weight |
1300kg |
1300kg |
1400kg |
1500kg |
1700kg |
2000kg |
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isolation method |
built-in isolation transformer |
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protection level |
IP21 |
IP21 |
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operating temperature |
-30~55℃ |
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highest altitude |
6000m（no derating below 3000m） |
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communication method |
CAN/RS485 |
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display |
Color touch screen |
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cooling method |
AF（Temperature controlled forced air cooling） |
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noise |
＜75dB@1m |
＜65dB@1m |
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relative humidity |
0~95%，no condensation |
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Protective function |
over-voltage & under-voltage protection |
√ |
√ |
√ |
√ |
√ |
√ |
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over-current protection |
√ |
√ |
√ |
√ |
√ |
√ |
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over-temperature protection |
√ |
√ |
√ |
√ |
√ |
√ |
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