Shanghai Grandtop Lightning Technology Co., Ltd.

China Manufacturer with main products: Power Impulse Equipments, Test Solutions, High Voltage Lightning Protection Devices, Impulse Current Test Systems

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DC Voltage Test System

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Quick Details

  • Brand Name: Grandtop

Specifications

 

DC voltage test system is widely applied in the DC withstanding voltage test and polarity change-over test of high voltage apparatus, such as high voltage transformers, surge arresters and cables and capacitors. The DC Voltage test system is designed for indoor use.

Standard

IEC60060-1, IEC60060-2, , GB/T16927.2

(1)    Free partial discharge, less than 200pC at  DC 1000kV output; less than 300pC at DC1300kV output;

(2)    Fast polarity reversal within 1 minute, polarity change-over time of SCR is less than 5 seconds;

(3)    Earthing system at the output terminal for safety;

(4)    With air cushion at the base for easy and smooth movement.

(5)    Automatic control & measurement system

System Configuration

The test system includes the following main components:

n  Charging transformer and HV rectifier

n  Post insulator

n  AC/DC cylinder capacitor

n  Doubling capacitor

n  Corona ring

n  Voltage divider

n  Damping resistor

n  Automatic control and measurement system
 

Technical  Specification

Model No.

Stage No.

Rated Voltage

(kV)

Rated Current (mA)

Ripple Factor

(%)

Partial Discharge (pC)

Dimension

(L*W*H m)

GTDC-800/20

2

±800

20

3

200

5*1.8*6.3

GTDC-1000/50

3

±1000

50

3

200

5*3*8

GTDC-1000/100

3

±1000

100

3

300

9*4*11.6

GTDC-1000/200

4

±1000

200

3

200

5*3*8

GTDC-1200/30

3

±1200

30

3

200

5*3.6*10

GTDC-1200/200

3

±1200

200

3

200

6*3.2*9

GTDC-1400/20

4

±1400

20

3

300

6.6*6*12

GTDC-1500/100

For outdoor

6

±1500

100

3

IEC

7.5*7.5*19

GTDC-1600/30

5

±1600

30

3

IEC

6.4*4.2*16

GTDC-1600/50

3

±1600

50

3

IEC

8.6*7*18.7

GTDC-2000/30

5

±2000

30

3

IEC

7.9*5*17

GTDC-2250/35

5

±2250

35

5

IEC

12*6.6*18

GTDC-2400/300

3

±2400

300

3

IEC

9.5*8.3*20

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