Voltage withstand test and breakdown voltage tester

1Voltage withstand test and breakdown voltage testerOverview:

Convenient mobility: Silent roller design, suitable for multi-point circulation needs in the laboratory;

Intelligent interaction: 12 inch touch screen control, simplifying complex testing processes;

Panoramic observation: Real time monitoring of the sample breakdown process through a large observation window.

two、Voltage withstand test and breakdown voltage testeraccording to the standard：

Based on the analysis of technical specifications, the standard system and corresponding functional design are as follows.

standard system

GB/T 1408.1-2016

Function implementation: Strictly follow the testing process for the breakdown strength of solid insulation materials under power frequency voltage

Technical adaptation: Supports three modes: continuous boost/constant voltage withstand/step boost, with a voltage accuracy of ± 1%

Safety mechanism: Built in TVS transient voltage suppression (response time 0.1ns) and gate interlock 24V safety voltage design

GB/T 1695-2005

Material extension: dedicated to power frequency breakdown testing of vulcanized rubber

Stop detection system: integrated voltage/current/time triple stop detection mechanism

GB/T 3333-1999 & GB/T 12656-1990

Special material testing: Verification of voltage resistance performance of fiber materials such as cable paper and capacitor paper

Environmental Expansion: Optional High Temperature Air/High Temperature Oil Medium Testing Module

Industry specific standard support

Power equipment field

DL/T 376-2010: Verification of Silicone Rubber Materials for Composite Insulators

JB/T 9641: Design Specification for Test Transformers

In the field of electronic materials

GB/T 5593-2015: Strength testing of structural ceramic media

HG/T 3330: Determination of breakdown strength of insulation paint film

IIIApplication field

1、 Research and production of insulation materials

1. Solid material performance verification

Test objects: insulation paint, epoxy resin, silicone rubber, plastic film, ceramics, fiberglass, etc

Key tests: breakdown strength, withstand time, and gradient withstand characteristics under power frequency/DC voltage

Industry value: Guiding the optimization of new material formulations to ensure consistent quality of bulk products (such as new energy battery separators and high-temperature insulation paints)

2. Performance evaluation of liquid media

Application scenarios: Voltage withstand strength testing of transformer oil, insulation lubricating oil, and impregnated resin

Technical support: Supports variable temperature oil bath test (RT~220 ℃) to simulate the dielectric performance under actual working conditions

2、 Manufacturing and Quality Inspection of Electrical Equipment

1. Power equipment components

Verification objects: cable insulation layer, composite insulator (silicone rubber), capacitor dielectric

Standard compliance: Meet power industry standards such as GB/T 1408 and DL/T 376 to ensure safe operation of the power grid

2. Reliability of electronic component packaging

Test content: Analysis of breakdown failure of TO packaging components and welded packaging structures under high electric fields

Value output: Preventing short circuit risks caused by insulation defects in high-voltage semiconductor devices (such as IGBT modules)

3. Factory inspection of high-voltage equipment

Function implementation: Power frequency withstand voltage test (adjustable from 0 to 999 seconds) to ensure insulation margin of switchgear, transformers and other equipment

3、 Frontier technology fields

1. New energy and electric vehicles

Key applications: Dielectric strength testing of power battery separators, reliability verification of motor insulation systems

Technical adaptation: high-precision current monitoring (± 1.5%), capturing microsecond level breakdown instantaneous characteristics

3. Equipment manufacturing

Special materials: Determination of breakdown threshold for structural ceramics (GB/T 5593) and insulating paint films (HG/T 3330)