Home > Products > AC/DC Hipot Test > vlf ac hipot tests 30kv 40kv 50kv 60kv 80kv ac vlf cable high voltage hipot tester
vlf ac hipot tests 30kv 40kv 50kv 60kv 80kv ac vlf cable high voltage hipot tester
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Product Details
Brand Name: | Sansion | Place of Origin: | Hubei, China | Model Number: | SXVLF |
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.
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:
√ Accuracy: 3%
√ Voltage +/- peak value error: ≤3%
√ Voltage waveform distortion: ≤5%
√ Working temperature: -10ºC+40ºC
√ Working humidity: ≤85%RH
Model | Output Voltage/Current | Load Capacity | Fuse | Control Unit | Booster | ||
Net Dim. | Net Wt | Net Dim. | Net Wt | ||||
SXVLF-30/1.1 | 30KV/29mA | 0.1Hz ≤ 1.1uF | 8A | 28×37×22 | 4 | 33×18×34 | 25 |
0.05Hz ≤ 2.2uF | |||||||
0.02Hz ≤ 5.5uF | |||||||
SXVLF-40/1.1 | 40KV/29mA | 0.1Hz ≤ 1.1uF | | 28×37×22 | 4 | 35×20×36 | 45 |
0.05Hz ≤ 2.2uF | |||||||
0.02Hz ≤ 5.5uF | |||||||
SXVLF-50/1.1 | 50KV/59mA | 0.1Hz ≤ 1.1uF | | 28×37×22 | 4 | 37×24×39 | 45 |
0.05Hz ≤ 2.2uF | |||||||
0.02Hz ≤ 5.5uF | |||||||
SXVLF-60/0.5 | 60KV/59mA | 0.1Hz ≤ 0.5uF | | 28×37×22 | 4 | 33×18×34 | 25+45 |
0.05Hz ≤ 1.0uF | |||||||
0.02Hz ≤ 2.5uF | |||||||
SXVLF-70/0.5 | 70KV/59mA | 0.1 Hz, ≤0.5µF | | 28×37×22 | 4 | 33×18×34 | 25+45 |
0.05Hz, ≤1.0µF | |||||||
0.02Hz, ≤2.5µF | |||||||
SXVLF-80/0.5 | 80KV/59mA | 0.1 Hz, ≤0.5µF | 20A | 28×37×22 | 4 | 33×18×34 | 25+45 |
0.05Hz, ≤1.0µF | |||||||
0.02Hz, ≤2.5µF | |||||||
SXVLF-90/0.5 | 90KV/59mA | 0.1 Hz, ≤0.5µF | | 28×37×22 | 4 | 33×20×35 | 30+45 |
0.05Hz, ≤1.0µF | |||||||
0.02Hz, ≤2.5µF |
Wuhan Sansion Power Equipment Manufacturing Co., Ltd. is a modern company focusing on design and manufacturing of test and measurement instruments. Our company covers 5,000 square meters with 120 employees.
Sansion has more than 20 years’ experience of producing electrical test sets and solutions for transformers, circuit breakers, CT/PT, relay protection, cable and electric power systems to test and calibration equipment.
Sansion has obtained ISO 9001 quality certificate and all of our products are in conformity with the international standards.
With superior quality, reasonable price and perfect after-sales service, we are aiming to expand the markets in all countries of the world. We look forward to working with you.
Contact Us
- Wuhan Sansion Power Equipment Manufacturing Co., Ltd.
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