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Help Center80kv Very Low Frequency AC High Voltage Tester Vlf Cable
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80kv Very Low Frequency AC High Voltage Tester Vlf Cable
MOQ: 1 PC ! The suplier of State Grid ! Standard: CE ISO!
30kv Vlf Very Low Frequency High Voltage Test Set selection:
1,0.1Hz -80KV Ultra-Low Frequency High Voltage Generator
Table 1
Model |
Rated Voltages |
Load capacity |
Fuse |
Weight |
Useful |
VLF-80/1.1 |
80kV (peak ) |
0.1Hz,≤0.5µF |
25A |
Control :6kg Body Boost I:30kg Body Boost II:5kg |
35KV and below the cable,Generator |
0.05Hz,≤1.1µF | |||||
0.02Hz,≤2.5µF |
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
|
capacityµF/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 |
|
80kv Very Low Frequency AC High Voltage Tester Vlf Cable 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.
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd (HuaZheng Electric for short), is a new enterprise engaged in development,produce & sale a serious of power system products. Our company rely on North China Electric power university and Hebei university and many other insititutions of higher leaning,combined product, learn and research together, mayor in electric power, electronic, microcomputer, automatic serious product, has developed a number of independent intellectual property rights, own advanced high-tech products inland,and successfully operate in electric,trrafic security and other field.
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