Vlf High Voltage Testing Transformer / AC Hipot Tester

• Max Diameter of Workpiece: >3200mm
• Mass Scope of Workpiece: <900kg
• Type: Universal Testing Machine
• Maxcapacity: <1000KN
• Accuracy Grade: 3% Full-Scale +0.5kv
• Load Way: Electronic Load
• Model NO.: ZC-524-022
• Loading Method: Static Load
• Display: Digital
• Control: Computer Control
• Weight: 0-100Kg
• Power Source: 220V, 50Hz
• Oil Cylinder Position: Top
• Power Supply: 220V 50Hz
• Voltage: 30/60/80/90
• Warranty: 1 Year
• Transport Package: Aluminum Alloy Packing Box Inside Andwooden Box O
• Trademark: KvTester
• Origin: China
• HS Code: 9031809090
• Production Capacity: 500/Month

Product Description

    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.

 

Product Features

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

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

3. 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.

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

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

Product Parameters

 

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