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Protective circuit designProtective circuit design.Different test standards correspond to different protection schemes, and the protective circuit has several protection principles: 1. Safety principle: avoid equipment damage or injury or personal safety due to device action; 2. Reliability principle: can meet customer's test standard requirements; 3. Usability principle: it cannot affect the normal work of customer equipment; 4. Economic principle: select the most cost-effective devices to meet customers' requirements; 5. The principle of grading protection: determine whether or not the classification protection is based on the actual application environment. |