Applicable: Energy feedback devices.
Test purpose: To verify the feedback efficiency and safety performance of the feedback device.
Test basis: TSG T7007-2022 "Elevator Type Test Rules", GB/T 32271-2015 "Elevator Energy Feedback Device".
Test contents: Determine the efficiency of the feedback device, short-circuit protection, open-circuit protection, access principle, anti-reverse discharge protection, polarity reverse connection protection, DC voltage overvoltage protection.
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