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Cable Resonant Withstand Voltage Test System

Cable Resonant Withstand Voltage Test System
Product name:Cable Resonant Withstand Voltage Test System
Item:6-12
Details:
 

I Description

Variable-frequency resonance voltage raising device makes reactor and capacitor achieve resonance by adjusting frequency of power, and then obtain high voltage and big current on the test objects.

This variable-frequency series-resonant voltage withstand test equipment is portable type, special for test cables. Weight of single part is not more than 60kg which can be moved by two people or not more than 30kg moved by one people.

The system is comprised of frequency power, exciting transformer, reactors and voltage divider. Reactors are dry resin casted type, suitable for different cable tests.

II Main parameters

l  Rated output voltage: 0~130kV

l  Output frequency: 20~300Hz

l  Resonance voltage wave: sine wave, aberration rate is less than 1%

l  Full-load working duration: continuous 60 minutes

l  System quality factor: more than 20 under max. load

l  Frequency adjustment fineness: 0.1Hz, instability less than 0.01%

l  Power source: 220V or 380V normal electric supply

III Configuration & test objects

Code

Basic configurations

Suitable cables

Frequency power

Reactor

Exciting transformer

Voltage divider

ZXZ-44/22

2.5kW

1A/220kV, 2 sets

2.5kVA/1kV

25kV

10kV 300mm2 ≤1km

ZXZ-88/22

4kW

2A/22kV, 2 sets

4kVA/1kV

25kV

10kV 300mm2 ≤2km

ZXZ-132/22

6kW

2A/22kV, 3sets

6kVA/1/3kV

70kV

10kV 300mm2 ≤3km

35kV,300mm2 ≤0.7km

ZXZ-198/22

10kW

1.5A/22kV, 6sets

10kVA/1/3kV

70kV

10kV 300mm2 ≤4km

35kV,300mm2 ≤1km

ZXZ-264/22

15kW

2A/22kV, 6sets

15kVA/1/3kV

70kV

10kV 300mm2 ≤4km

35kV,300mm2 ≤1km

ZXZ-396/22

15kW

3A/22kV, 6sets

15kVA/1/3kV

130kV

10kV 300mm2 ≤8km

35kV,300mm2 ≤2km

ZXZ-640/22

25kW

2.5A/32kV, 8sets

25kVA/1/3/5kV

130kV

10kV 300mm2 ≤10km

35kV,300mm2 ≤3km

110kV,400mm2 ≤1km

ZXZ-1280/22

50kW

5A/32kV, 8sets

50kVA/1/3/5kV

130kV

10kV 300mm2 ≤20km

35kV,300mm2 ≤8km

110kV,400mm2 ≤2km

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