By Michael Mendik, PhD, Country Manager, NAM
GoodWe is an inverter manufacturer that is a leader in smart energy solutions and has a large global footprint in the residential, C&I and utility space.
The inverter is an essential core device for AC/DC conversion, power grid protection and monitoring. The risk of DC arcing in the photovoltaic power generation system may cause damage to the components. The latest generation of AFCI protection, powered by AI algorithms, improves availability of the PV system and speed of adaption. AFCI requirements are described in UL 1699B standard and NEC 2017 Section 690.11 but also several international bodies have adopted this safety measure; for instance, the International Technical Commission (IEC) developed the IEC 63027 standard and for Australia and New Zealand, the AS/NZS 5033 Standard.
GoodWe’s AFCI technology is different from traditional solutions where the arc threshold settings are based on experience and are embedded into the electronics. GoodWe AFCI calculates and extrapolates measurement data to form its own local library to eliminate any false noise signals. Key is the use of novel arcing sensors paired with data acquisition technology. All systems meet the latest generation UL 1699B standard for AFCI detection and protection.
GoodWe’s photovoltaic string inverters integrated with the latest generation AFCI technology, designed to meet several international standards, can effectively prevent arc hazards, and maximize availability of the PV system and achieve precise detection accuracy as validated by TUV Rheinland.
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