IEC EN 62109-2 Safety of Power Converters for Use in Photovoltaic Power Systems - Part 2: Special Requirements for Inverters

Electromagnetic and Electrical Tests

IEC EN 62109-2 Safety of Power Converters for Use in Photovoltaic Power Systems - Part 2: Special Requirements for Inverters

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 62109-2 testing. IEC EN 62109-2 covers specific safety requirements for dc-ac inverter products and products that have or perform inverter functions in addition to other functions, where the inverter is intended for use in photovoltaic power systems.

IEC EN 62109-2 Safety of Power Converters for Use in Photovoltaic Power Systems - Part 2: Special Requirements for Inverters

Inverters covered by this standard can be grid-enabled, stand-alone or multi-mode inverters, powered by single or multiple photovoltaic modules grouped in various string configurations, and intended for use with batteries or other forms of energy.

Inverters with multiple functions or modes will be evaluated according to all requirements applicable to each of these functions and modes. This standard does not address grid interconnection requirements for grid interactive inverters.

Compliance is checked by measuring the AC output voltage with the inverter unloaded and again while the drive provides a resistive load equal to the rated maximum continuous output power of the drive in stand-alone mode. The AC output voltage is measured after the transient effects from applying or removing the load have ceased.

Compatibility is checked by measuring the AC output frequency under four conditions: the inverter is in the no-load condition and at both the minimum rated DC input voltage and at the maximum rated DC input voltage with a resistive load supply equal to the rated maximum continuous output power of the inverter in stand-alone mode. The AC output frequency is measured after the transient effects from applying or removing the load have ceased.

EUROLAB assists manufacturers with IEC EN 62109-2 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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