Short term high current resistance measurement system for charging interface grounding terminal

Short term high current resistance measurement system for charging interface grounding terminal

Equipment model: SUN-8000A

Production unit: Shenzhen Sunshine Yueda Technology Co., Ltd

1、 Equipment Overview:

reference standard

Standard GB/T 20234.1-2023 "Connection Devices for Conductive Charging of Electric Vehicles Part 1: General Requirements" Sections 6.2.4 and 7.5 Grounding Measures.

Standard GB/T 20234.4-2023 "Connection Devices for Conductive Charging of Electric Vehicles Part 4: High Power DC Charging Interface" standard clauses8.6、 nine6And 10.46 Grounding measures;

Chapter 10 of the standard GB/T11918.1-2014 "Industrial plugs, sockets and couplers - Part 1: General requirements" includes grounding measures.

2、 Test description:

Perform a short-term high current withstand test on the grounding contact according to the following steps:

A.Simulate the actual usage state, connect and install the power plug, power socket, vehicle plug, and vehicle socket.

B.Connect conductors with a length of not less than 0.6m that meet the dimensions listed below to the protective grounding contact according to the fastening conditions specified by the manufacturer. The minimum size of copper conductor cable allowed for the connection of power sockets and vehicle sockets, and cables that match the rated current for the connection of power plugs and vehicle plugs, allowing the direct use of already connected components;

C.Conduct the experiment according to the current and time shown in the following list.

D.After the experiment is completed, use an ohmmeter or similar equipment to check the electrical continuity between the grounding conductors.

Short term withstand high current test parameters

3、 Main technical parameters:

1. Chassis material: sheet metal paint;

2. Control mode: PLC control, touch screen operation;

3. Output current: 30~8000A continuously adjustable;

4. Digital ammeter: resolution 1A;

4、 More equipment information:

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