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What are the requirements for the acceleration during the impact test of common mode inductors used in rail transit?

Time：2025-12-30 Views：80次

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Test standard: According to IEC 61373 "Shock and Vibration Testing of Railway Rolling Stock Equipment", the following shock tests must be passed: Half-sine wave shock: acceleration of 50g (longitudinal), 30g (lateral/vertical), pulse duration of 11ms, with 3 shocks in each direction; followed by peak sawtooth wave shock: acceleration of 30g, pulse duration of 6ms. Verify the failure criterion of mechanical structure resistance to loosening: inductance change after shock <15%, no cracks in pin solder joints, and no fragmentation of the magnetic core.

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What are the requirements for the acceleration during the impact test of common mode inductors used in rail transit? ​

What are the requirements for the acceleration during the impact test of common mode inductors used in rail transit?