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Photovoltaic direct-driven appliance controllers - Part 1: General requirements
IEC 63349-1:2025 establishes control functions and operational performance requirements for photovoltaic direct-driven appliance (PVDDA) controllers.
PVDDA controllers are devices used for controlling power among power sources (such as a PV array, grid, energy storage, etc.) and appliances (such as an air-conditioner, refrigerator, water pump, etc.).
The requirements for PVDDA controllers are applicable to systems with voltages not higher than 1 500V DC or 1 000V AC. Safety and EMC requirements for the PVDDA controllers are under consideration and not covered by this document.
Safety requirements for power converters connected to a PVDDA controller are listed as follows:
Performance requirements for each individual power converter connected to a PVDDA controller refer to IEC 62093.
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