开关电源负载测试该怎么做？为什么接上负载后测试开关电源频率会炸机 关于电气选型的 问题 24v 开关电源怎么 选择啊
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要想避免，应将示波器的电源用变压器220VAC/220VAC隔离后供电并将示波器的接地线悬空。或者预先将探头接好，然后再供电。待测试完毕后先关电源再取下示波器探头。如果在通电过程中，去测量是很危险的。接触那一瞬间还会由于静电放电致使其损坏。
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