This technical breakdown explains the Over-Temperature Protection (OTP) logic in AC EV chargers, a critical safety feature compliant with GB/T 18487 and IEC 61851 standards. The system utilizes a high-frequency 2ms sampling cycle to monitor two key components with differentiated thresholds: Control

In China EV Charging stations will implement energy efficiency standards in November this year, and in the future, ev charging stations will also be labeled with energy efficiency levels like air conditioners.The below form shows the efficiency level of different grade.NAMEGrade 3Grade 2Grade 1effic