VFD keeps tripping on OV overvoltage and OL overload? This article explains the causes of DC-bus overvoltage and electronic thermal overload, the optimized logic of overvoltage stall prevention and I²t inverse-time protection, and provides on-site troubleshooting and parameter-optimization recommendations to reduce downtime and improve line availability.
Shenzhen Xintaigong Technology Co., Ltd is a high-tech enterprise specializing in inverter technology. It integrates R&D, production and sales, and provides energy-saving and stable inverter products and system solutions for multiple industries.