50KV Dry Type Test Transformer/Power Frequency Withstand Voltage Test Device Tester
Product characteristics
1, high voltage voltage low voltage current zero indication power indication working indication timing indication.
2, equipped with low voltage input ammeter and overcurrent protection circuit.
3, equipped with time relay, can effectively control the test time.
4, equipped with isolation tool brake, through the tool brake can make the power circuit has an obvious fracture.
5, overcurrent protection, zero start protection, sound and light language alarm reminder.
6, the use of new time relay, timing range is wider (1S ~ 99H).
7, the use of new current relay, more accurate, more reliable, to ensure personal and equipment safety.
8, the test transformer high voltage coil is cylindrical multi-layer tower, high quality polyester enamelled wire and high voltage value insulation material wound.
9, with light weight, small size, easy to move, superior performance and other characteristics. 10. The test transformer (above 5kVA) is equipped with a movable iron wheel.
50KV Dry Type Test Transformer/Power Frequency Withstand Voltage Test Device Tester
1. Operation table |
Rated capacity |
1.5 ~ 100kVA |
Rated output current |
7.5 ~ 232.5A |
Rated output voltage |
0 ~ 430V |
Input power |
three-phase AC 380V±10% (single-phase AC 220V±10%); 50Hz±5 Hz |
Input current |
7.5 ~ 250A |
Timing length |
0 ~ 9999S(special mode can be used for long working hours) |
Voltage accuracy |
≤1.0%±1 word (F.S) |
Current accuracy |
≤1.0%±1 word (F.S) |
If there are special parameter requirements, can be designed according to the user's technical parameters. |
2, epoxy resin dry test transformer |
Rated capacity |
1.5 ~ 100kVA |
Low voltage side |
400V |
Low voltage side current |
7.5 ~ 250A |
High voltage side AC output voltage |
0 ~ 300kV |
AC output current of high voltage side |
0 ~ 3000mA |
Measurement ratio |
1000:1 |
Impedance voltage |
4 ~ 9% |
Output voltage waveform |
sine wave |
Ratio error |
< ± 1% |
Waveform distortion |
≯3% |
Allow continuous full load working time |
1-2 hours (temperature rise 50 ° C) |
No-load loss |
0.2% ~ 0.4.0% |
Voltage measurement accuracy |
1.0% FS±3 words |
Current measurement accuracy |
1.0% FS±3 words |