China – National Standard for Energy Efficiency Requirements for Electric Vehicle Charging Piles

​This document specifies the energy efficiency grades, minimum allowable values of energy efficiency, and testing methods of electric vehicle charging piles. This document applies to off-board conductive power supply equipment with current control and/or voltage control, including direct current (DC) power supply equipment (Mode 4, Connection Method C) and alternating current (AC) power supply equipment (Mode 3, Connection Method B or C), with a rated voltage not exceeding 1000 V (AC) on the power supply network side and a rated maximum voltage not exceeding 1000 V (AC) or 1500 V (DC) on the electric vehicle side. This document does not apply to： – Power supply equipment that only provides direct current (DC) power on the power supply network side; – In-Cable Control and Protection Devices (IC-CPD) for Mode 2 charging; – Integrated charging and energy storage devices that do not have charging functions when the energy storage function is disabled; – Power supply equipment for automatic charging or top-contact charging.​

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