VLF 30KV High Voltage Test Set VLF Test Equipment for 10KV Power Cable AC Withstand Voltage Test
Product Description
VLF 30KV High Voltage Test Set VLF Test Equipment for 10KV Power Cable AC Withstand Voltage Test
Technical Index
1)Output rated voltage: 0-30kV
2)Output frequency: 0.1Hz, 0.05Hz, 0.02Hz, 0.01Hz
3)Loading capability :0.1Hz,≤1.1µF; 0.05Hz,≤2.2µF;0.02Hz,≤5.5µF;0.01Hz,≤11.0µF
4)Accuracy :± (3% of full scale +0.5 KV)
5)Voltage waveform distortion: ≤5%
6)Condition of use: indoor,outdoor;temperature:-10℃∽+40℃; humidity :≤85%RH
7)Power supply : AC60 Hz,220V ±5%
8)Power fuse: 5A
Over Test Voltage and Preventive Test Voltage of the power cable of different voltage levels
Rated voltage Uo/UN(KV) | Over Test Voltage | Preventive Test Voltage | ||
| Voltage multiplier | Voltage values (KV) | Voltage multiplier | Voltage values (KV) | |
| 1.8/3 | 3 Uo | 5 | 2.1 Uo | 4 |
| 3.6/6 | 3 Uo | 11 | 2.1 Uo | 8 |
| 6/6 | 3 Uo | 18 | 2.1 Uo | 13 |
| 6/10 | 3 Uo | 18 | 2.1 Uo | 13 |
| 8.7/10 | 3 Uo | 26 | 2.1 Uo | 18 |
| 12/10 | 3 Uo | 36 | 2.1 Uo | 25 |
| 21/35 | 3 Uo | 63 | 2.1 Uo | 44 |
| 26/35 | 3 Uo | 78 | 2.1 Uo | 55 |
Uo is the nominal phase voltage, UN for the cable rated line voltage. Test times : 1-5 minutes | ||||
Note for VLF Test Equipment
1.The booster used in the instrument is not allowed for another use.
2.Please contact the factory for repairs if the instrument malfunction and do not open it by yourself .
3.Before stitches , please fully discharge the test products by discharge rod after power off the instrument .
4.Please fully discharge the test products by discharge rod before power on the instruments .
5.Please fully discharge the test products by discharge rod before press on boost button each times .
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