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GRGTEST

It provides professional failure analysis ,process analysis, component screening, reliability testing, process quality evaluation, product certification, life evaluation and other services for equipment manufacturing, automobiles, power electronics and new energy, 5G communications, optoelectronic devices and sensors,rail transit and materials and fabs, help companies improve the quality and reliability of electronic.

news and information

Research on environmental reliability test of new energy vehicle motor drive system

With the aggravation of the energy crisis and people’s yearning for clean energy, the state and various industry institutions have invested a lot of resources in the research of pure electric vehicles, hybrid vehicles, fuel cell vehicles and other new energy vehicles, and the three key tech...

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Electric drive test items and test standards

Test standards are divided into national standards, international standards, industry standards, and enterprise standards. National standard: 1) GB/T 18488-2015 electric vehicle motor and controller thereof 2) GB/T 2423 Basic environmental test procedures for electrical and electronic products 3)...

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Motor controller, motor, electric drive system common test items

1. Basic performance Motor controller Maximum operating voltage Minimum operating voltage Maximum working current Minimum working current Insulation test Withstand voltage test Air tightness test Temperature rise test Voltage frequency variation Voltage drop Impulse current Electric machine Re...

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Common Test Standards for Battery Packs and Electric Drive Systems

Power battery GB/T 31467.1-2015 Lithium-ion power battery packs and systems for electric vehicles: Part 1 Test procedure for high-power applications GB/T 31467.2-2015 Lithium-ion power battery packs and systems for electric vehicles: Part 2 Test procedure for high-energy applications GB 38031-202...

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The trend of new energy heavy-duty trucks

With the development and research of new energy heavy-duty trucks in the industry, considering the main factors of economy, integration, safety, and lightweight, high-speed, high efficiency, high reliability, and good NVH of the electric drive system, the trend of new energy heavy-duty trucks mai...

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