HVHIPOT Partial Discharge Test System for GIS, transformer, power cables

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HV Hipot Electric Co., Ltd.

VIP   Audited Supplier 14 years
Profile Certified by SGS/BV
GIT-800/400
Adjust
Combination
Linear
Continuous
Automatic Control, Protection, Measurement
ISO: 9001
New
Customized
metal
HVHIPOT
Container
40ft container
China
Product Description

The system is especially designed for 245kV GIS testing in the factory and on-site. As its good encapsulation, it can perform PD test in normal environment. When it tests partial discharge, the PD level is less than 3pc, and it can be added a HV bushing to perform the withstand voltage test at the same time. 



Features

1. Vehicle-mounted High Voltage Test system, including High voltage testing transformer, capacitive divider, compensation reactor, isolation transformer, hydraulic system, control system. Each parts will be connected by power cable. All equipment can be mounted in mobile vehicle.

2. The control system can be operated by manual and automatic. LCD screen and pointer display.

The regulation device uses stepping motor to control, to realize manual constant speed control and automatic variable speed control. The compensation of reactor can be controlled by panel buttons. It has coarse compensation and fine compensation, to change compensation current.

Sound and light alarm.

3. HV part includes high voltage testing transformer, coupling capacitor, divider and current-limiting resistor. They are all installed in SF6 gas sealing tank. It can make withstand voltage test and partial discharge test for test object at 275kV and below. The yearly leak rate of all sealing gas chamber is less than 0.5%.

4. The HV part can be controlled up and down by hydraulic motor control device.


Specifications
  • Rated capacity: 800kVA
  • Rated voltage: 400kV
  • Rated current: 2000mA

Step-down Transformer

  • Rated capacity: 100kVA
  • Rated input voltage: 480V, 60Hz
  • Rated output voltage: 380V

Testing Transformer

  • Rated capacity: 800kVA
  • Rated voltage: 400kV
  • Rated current: 2000mA
  • Excitation voltage: 0-1000V
  • Excitation current: 0-1000A

Capacitive Divider

  • Rated capacitance: 50pF
  • Rated voltage: 400kV
  • Voltage ratio: 10000/1
  • Accuracy: class 1.0

Compensation Reactor

  • Max. Capacity: 800kVA
  • Max. Rated voltage: 1000V
  • Max. Compensation current: 800A

Isolation Transformer

  • Rated capacity: 100kVA
  • Rated voltage: 400V/1000V
  • Max. Input current: 250A

Control Cabinet(Electric column type regulator is inside)

  • Rated capacity: 100kVA
  • Input voltage: AC 380V
  • Output voltage: AC 0-400V
  • Rated current: 250A
  • Rated frequency: 60Hz
  • Single phase

Hydraulic Electric Control Device

It has phase sequence protection for power supply of motor and electric hydraulic up and down control, with level and vertical limit protection.

Display

LCD screen digital display and pointer indication.

Protection

Under local button control mode, excitation current relay has over-current protection. Under remote HMI control mode, excitation current over-current protection, HV current over-current protection and voltage flashover protection.




 






 
 
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