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 (LWH m)
GTDC-800/20	2	±800	20	≤3	≤200	51.86.3
GTDC-1000/50	3	±1000	50	≤3	≤200	538
GTDC-1000/100	3	±1000	100	≤3	≤300	9411.6
GTDC-1000/200	4	±1000	200	≤3	≤200	538
GTDC-1200/30	3	±1200	30	≤3	≤200	53.610
GTDC-1200/200	3	±1200	200	≤3	≤200	63.29
GTDC-1400/20	4	±1400	20	≤3	≤300	6.6612
GTDC-1500/100 For outdoor	6	±1500	100	≤3	IEC	7.57.519
GTDC-1600/30	5	±1600	30	≤3	IEC	6.44.216
GTDC-1600/50	3	±1600	50	≤3	IEC	8.6718.7
GTDC-2000/30	5	±2000	30	≤3	IEC	7.9517
GTDC-2250/35	5	±2250	35	≤5	IEC	126.618
GTDC-2400/300	3	±2400	300	≤3	IEC	9.58.320

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