Skip to content 
Feasibility Analysis of IEC 60947-2 for Residual Current Protection Certification in EV Charging Stations
1.Abstract European regulations for EV charging infrastructure impose stringent requirements on standards and certification. This paper explores how different IEC residual current standards can be applied to meet these requirements while reducing design complexity and cost. Through a detailed analysis of mechanical coupling, electronic coupling, residual current detection, and control circuitry defined in the standards, […]
μA-Level Signal Capture and Submersion Risk in Photovoltaic DC Insulation Monitoring
Insulation monitoring on the DC side of photovoltaics is the lifeline of power station safety. Its core task is to stably extract weak leakage current signals at the microampere level from a common-mode voltage background as high as 1500V, and accurately calculate insulation resistance at the megaohm level based on this. This “microvolt probe” task […]
