In the electrical field, as the core control equipment of the lighting system, the anti electromagnetic interference ability of the lighting split meter ready board is crucial, which directly affects the stable operation of the entire lighting system.

Test standard basis

The anti electromagnetic interference test of lighting split meter ready boards must comply with a series of international and domestic standards. Internationally, the IEC 61000 series standards provide testing methods and limits for electromagnetic interference (EMI) and electromagnetic immunity (EMS); Domestically, the GB/T 17626 series standards cover various anti-interference testing items. For example, IEC/EN 61000-4-5 is used for lightning anti-interference detection, and IEC/EN 61547 is used for electromagnetic anti-interference detection of lighting products.

Test items and methods

Common anti electromagnetic interference testing items include electrostatic discharge immunity testing, radiation immunity testing, electrical fast transient pulse group immunity testing, etc. Taking the electrostatic discharge immunity test as an example, according to the IEC/EN 61000-4-2 standard, the contact discharge method is used to test the chassis ports of the split meter ready board, controlling the temperature and humidity within the specified range, referring to grounding, and applying a specified number of positive and negative polarity discharges at each test point to observe whether the split meter ready board has performance degradation or faults.

Testing environment and equipment

The test should be conducted in a non interfering environment that meets the standards, usually in an EMC laboratory or shielded room, with temperature controlled at 22 ± 2 ℃ and humidity controlled between 30% and 70%. The testing equipment includes signal generators, field strength radiation devices, detection devices, electrostatic discharge generators, etc.

Test results and significance

By analyzing the test data, a detection report can be generated to determine whether the anti electromagnetic interference capability of the lighting split meter ready board meets the standard requirements. If it does not meet the requirements, a rectification plan and suggestions can be proposed based on the test results to help the enterprise improve the electromagnetic compatibility of the product, ensure the stable operation of the lighting split meter ready board in complex electromagnetic environments, and provide reliable power control for the lighting system.