Impulse Current Generator

Impulse Current Generator 2024-02-03T20:11:04+00:00

Project Description

Working Environment

● Environmental temperature: -10℃ to 40℃
● Related humidity: ≤ 85% RH
● Altitude: ≤ 1000m
● Indoor use
● No conductive dust, no fire or explosive danger, no corrosive metal or insulation gas.
● Power voltage waveform is sine wave, distortion rate <5%
● Earth resistance is no more than 1Ω.

Applied Standard

IEC60099-4: 2014 Surge Arresters-Part 4: Metal-oxide surge arresters without gaps for a.c. systems.
GB311.1-1997 Insulation coordination of HV Power transmission and transformation.
IEC 60060-1 High Voltage Testing Technique- General Testing Requirement.
IEC 60060-2 High Voltage Testing Technique- Measurement System.
GB/T16896.1-1997 Digital Recorder of High Voltage Impulse Test.
DLT992-2006 Implementing Rules for Impulse Voltage Measurement.
DL/T613-1997 Technical specifications for imported AC gapless metal oxide arresters.

Main Specifications

● Current waveform: 8/20μs
● Rated current: 10kA
● Ignition method: Pneumatic displacement discharge ball distance. Automatic control, manual control.
● Current polarity: positive. Waveform display: current-negative; residual voltage-positive.
● Current measurement: Rogowski coil (0-50kA), accuracy: 1%.
● Residual voltage measurement: resistance voltage divider (0-100kV), accuracy: 1%
● Overall measurement accuracy: 3%
● Waveform display: Oscilloscope (Tektronix) and PC.
● The oscilloscope and capacitor charging voltage are set on PC with one key.
● Data storage: on PC. Measurement data and waveform are collected by oscilloscope, and automatically transmitted to PC via USB port, and saved as Excel format in preset folder on the computer hard disk.
● Safety protection: over-voltage, over-current, access control linkage, emergency stop, automatic grounding. Equipped with manual grounding bar: the operation staff must discharge with the grounding bar before contacting the generator body, replacing waveform resistor, replacing test object, repairing, etc., and connect the grounding bar to the HV end of the body.
● Ground resistance: ≤1Ω
● Power supply: 220V±10%, 50Hz; capacity 10kVA