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Sansion Power Electric Co., Ltd.

Vlf Hipot Test Machine, Very Low Frequency Vlf Test Equipment, Vlf High Voltage AC Test System manufacturer / supplier in China, offering 30/40/50/60/70/80/90kv 0.1Hz Very Low Frequency Vlf AC Hipot Test Set for Power Cable, 12 Channels Automatic High Voltage Switchgear Circuit Breaker Analyzer, 12 Channels Automatic Circuit Breaker Tester and so on.

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Supplier Homepage Product AC/DC/VLF Hipots Test Set VLF AC Hipot Test Set 30/40/50/60/70/80/90kv 0.1Hz Very Low Frequency Vlf AC Hipot Test Set for Power Cable

30/40/50/60/70/80/90kv 0.1Hz Very Low Frequency Vlf AC Hipot Test Set for Power Cable

FOB Price: US $1,000-30,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $1,000-30,000/ Set
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Production Capacity: 100 Units
Transport Package: Plywood Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: SXVLF Series
  • Test Region: Forming Cable
  • Power: Electricity
  • Customized: Customized
  • Test Voltage Range: 30kv/40kv/50kv/60kv/70kv/80kv/90kv
  • Specification: ISO9001 SGS
  • HS Code: 9030339000
  • Usage: Power Cable
  • Cable Type: Shielded
  • Certification: SGS
  • Color: Black
  • Trademark: Sansion
  • Origin: Wuhan, China
Product Description
General information:

VLF Test Sets from 30kV - 90kV with Sine Wave Output

VLF means 'Very Low Frequency' is used in AC hipot test for power cables, transformers, switchgear and other electrical apparatus.

A VLF hipot is just an AC output tester but with an output frequency of 0.1 Hz or lower rather than 50/60Hz. Although the frequency is very low, it is still an alternating current with polarity reversals every half cycle. At 0.1 Hz output, rather than 60Hz, it takes 600 times less current and power to apply an AC voltage to a capacitive load, like a long cable.

30/40/50/60/70/80/90kv 0.1Hz Very Low Frequency Vlf AC Hipot Test Set for Power Cable

Features:

√  Adapts microprocessor controlled, can realize voltage set-up/down, measuring and protecting automatically. Manual intervention is allowable even during the auto voltage boosting.

√   Portable, easy to move.

√   Large LCD can display waveform clearly, and test report can be printed by built-in printer.

√   The data of current, voltage, and waveform can be sampled at HV side.

√   Over voltage protection: When the output is beyond the limitation, the control unit will shut itself down within 20ms.

√   Over current protection: high & low voltage double protection, the precision value of power off protection can be setting at HV side. When the current of LV side is exceeded rated, the control unit will shut itself down within 20ms.

√   HV output protection resistor is built in the booster, not need to connect outside resistor.

√   Adapting high & low voltage closed loop negative feedback control circuit, there is no capacitive rise effect during the output.

Specifications:

ModelOutput Voltage/Current
(Peak)
Load CapacityFuseControl UnitBooster
Net Dim.
(cm)
Net Wt
(kg)
Net Dim.
(cm)
Net Wt
(kg)
SXVLF-30/1.130KV/29mA0.1Hz ≤ 1.1uF8A28×37×22433×18×3425
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
SXVLF-40/1.140KV/29mA0.1Hz ≤ 1.1uF 
8A
 
28×37×22435×20×3645
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
SXVLF-50/1.150KV/59mA0.1Hz ≤ 1.1uF 
10A
 
28×37×22437×24×3945
0.05Hz ≤ 2.2uF
0.02Hz ≤ 5.5uF
SXVLF-60/0.560KV/59mA0.1Hz ≤ 0.5uF 
20A
 
28×37×22433×18×34
33×18×34
25+45
0.05Hz ≤ 1.0uF
0.02Hz ≤ 2.5uF
SXVLF-70/0.570KV/59mA0.1 Hz, ≤0.5µF 
20A
 
28×37×22433×18×34
35×20×36
25+45
0.05Hz, ≤1.0µF
0.02Hz, ≤2.5µF
SXVLF-80/0.580KV/59mA0.1 Hz, ≤0.5µF20A28×37×22433×18×34
37×24×39
25+45
0.05Hz, ≤1.0µF
0.02Hz, ≤2.5µF
SXVLF-90/0.590KV/59mA0.1 Hz, ≤0.5µF 
20A
 
28×37×22433×20×35
37×24×39
30+45
0.05Hz, ≤1.0µF
0.02Hz, ≤2.5µF
 

√   Accuracy: 3%                                  

√   Voltage +/- peak value error: ≤3%

√   Voltage waveform distortion: ≤5%

√   Working temperature: -10ºC+40ºC
√   Working humidity: ≤85%RH
 

30/40/50/60/70/80/90kv 0.1Hz Very Low Frequency Vlf AC Hipot Test Set for Power Cable

Please contact us for further information. Sansion Power has a technically experienced expertise team to select correctly designed test set for you.  

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