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Help CenterVLF AC Hipot Test Set (GDVLF 0.1Hz)
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VLF AC Hipot Test Set (GDVLF 0.1Hz)
MOQ: 1 PC ! The suplier of State Grid ! Standard: CE ISO!
VLF AC Hipot Test Set (GDVLF 0.1Hz) selection:
1,0.1Hz -50KV Ultra-Low Frequency High Voltage Generator
Table 1
Model |
Rated Voltages |
Load capacity |
Fuse |
Weight |
Useful |
VLF-50/1.1 |
50KV (peak ) |
0.1Hz,≤1.1µF |
20A |
Control :6Kg Body Boost :50kg |
15.75KVCables,Generator |
0.05Hz,≤2.2µF | |||||
0.02Hz,≤5.5µF |
2,How to choose the suitable products for test
Please make sure that the capacitance of test products is below the instrument rated capacitance. The waveform will be influence if the capacitance of test products is too small and the instrument can not normally output when it below 0.05µF. 0.1µF capacitor in parallel to auxiliary output. Below is capacitance of some instrument for your reference.
Single relatively power capacity of different Generator
Table 2
|
Thermal Power |
Hydropower |
|||||
|
Generator capacitance (MW) |
200 |
300 |
600 |
85 |
125-150 |
300 |
400 |
|
Single relatively power capacity(µF) |
0.2-0.25 |
0.18-0.26 |
0.31-0.34 |
0.69 |
1.8-1.9 |
1.7-2.5 |
2.0-2.5 |
Power capacitance of single-core XLPE insulated cable (µF/km)
Table 3
|
Capacity µF/Km |
|||||||||||
Voltage (kV) |
10 |
0.15 |
0.17 |
0.18 |
0.19 |
0.21 |
0.24 |
0.26 |
0.28 |
0.32 |
0.38 |
- |
35 |
- |
- |
- |
0.11 |
0.12 |
0.13 |
0.14 |
0.15 |
0.16 |
0.17 |
0.19 |
|
|
Cross-sectional area (cm²) |
16 |
25 |
35 |
50 |
70 |
95 |
120 |
150 |
185 |
240 |
270 |
|
VLF AC Hipot Test Set (GDVLF 0.1Hz) parameters:
1,output rated voltage , Table 1 for reference
2,output frequency :0.1Hz,0.05Hz,0.02Hz.
3,loading capability : Table 1 for reference
0.1 Hz maximum 1.1µF
0.05 Hz maximum 2.2µF
0.02 Hz maximum 5.5µF
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 :AC50 Hz,220V ±5%
8,power fuse : Table 1 for reference
From the date of purchase within one year instrument, is a product quality problem free repair replacement, lifetime supply of maintenance and technical services. The instrument has found anomalies or malfunctions please contact us to arrange the most convenient treatment options.
Send Inquiry to This Supplier
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