Low Frequency UPS Suppliers in India
What is Low frequency online UPS?
Low frequency UPS and high frequency UPS are distinguished according to the operating frequency of the design circuit of UPS. Low frequency UPS is designed on the basis of traditional analog circuit, composed of thyristor (SCR) rectifier, IGBT inverter, bypass and power frequency step-up isolation transformer. Because of its rectifier and transformer working frequency are 50Hz, so called low frequency UPS