■ Enter 18-pulse rectifier technology, the input current harmonics is small, the output noise is small;
■ robust, low failure rate, and strong impact resistance;
■ A soft-start function, input surge current is small;
■ number of security features: With over voltage, over current, over temperature alarm device.
■ The case of an abnormal condition's electronic circuitry automatically senses and immediately cut off the output, also issued a warning cry, inform users do emergency treatment;
■ with electronic protection
■ For large constant power photovoltaic inverter test.