90kv Ultra Low Frequency Generator High Voltage Vlf Generator

  • Model NO.: 90KV
  • Test Frequency: 0.1Hz/0.05Hz/0.02Hz
  • Waveform Distortion: ≤5%
  • Power Supply: AC 50Hz,220V ±5%
  • Trademark: Huadian
  • Origin: Dongguan China
  • Type: Low Frequency Generator
  • Accuracy: ±(3% Full-Scale +0.5kv)
  • Fuse: 10A
  • Delivery Time: 10 Days After Payment
  • Transport Package: Wooden Package
  • HS Code: 9030339000
90KV Ultra low frequency generator High Voltage Vlf Generator
90kv Ultra Low Frequency Generator High Voltage Vlf Generator
Ultra low frequency insulation withstand voltage test is an alternative method for power frequency withstand voltage test.
    Using 0.1Hz ultra low frequency withstand voltage test replace power-frequency withstand voltage test, not only is equivalent to the same equipment, and greatly reduces the volume and the weight, so the ultra-low frequency withstand voltage device is widely used in large generators, cables, power capacitor test AC voltage withstand test products.
90kv Ultra Low Frequency Generator High Voltage Vlf Generator

  • Data of current and voltage are obtained directly through the sampling of high-pressure side and it is true and accurate.

  • Over-voltage protection: the instrument will shut down to protection within 20 ms when the output voltage is exceeding limiting values of setting.

  • Over-current protection: design for dual protection of high and low voltage, downtime protection can be accurately set in high-pressure side. Shut down to protection times is within 20 ms when the current of low-voltage sides exceeds reacted current.

  • High-voltage output protection resistor design in the body boost and it is no need to additional outside resistor.

  • Closed-loop negative feedback control circuit of high and low voltage.


     

90kv Ultra Low Frequency Generator High Voltage Vlf Generator

Peak   voltage

90kV

Test   frequency

0.1Hz/0.05Hz/0.02Hz (selectable)

Load capacity

0.1Hz/0.05Hz/0.02Hz   (selectable)

0.1 Hz   Maximum 0.5µF

0.02 Hz   Maximum 2.5µF

Measurement accuracy

±(3% full-scale +0.5KV)

Waveform distortion

≤5%

Working environment

Indoor   or outdoor; -10ºC∽+40ºC; ≤85%RH

Power supply

AC 50   Hz,220V ±5%

Fuse

10A

 

VLF HV Tester Series

 

Model no

Rated Voltage/current

Load Carrying

Capacity

Power

FuseTube  

Product Structure and Weight

VLF-30

30kV/20mA

(Peak)

0.1Hz,≤1.1µF

5A

Controller:4KG

Booster: 25KG

0.05Hz,≤2.2µF

0.02Hz,≤5.5µF

VLF-50

50kV/30mA

(Peak)

0.1Hz,≤1.1µF

15A

Controller:4KG

Booster: 50KG

0.05Hz,≤2.2µF

 0.02Hz,≤5.5µF

VLF-90

90kV/30mA

(Peak)

0.1Hz,≤0.5µF

20A

Controller:4KG

Booster Grade 1(40kV):25KG

Booster Grade 2(50kV):50KG

 0.05Hz,≤1µF

 0.02Hz,≤2.5µF

 

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