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The main distinction of UPS power source and EPS power source
From;  Author:Stand originally


EPS is similar to the UPS of mothball type a bit, at ordinary times inverter does not work, the ability when town report cuts off the power throws storage battery. General and incorrect power source undertakes constant current, constant voltage is handled. Use contactor changeover normally, switch time all is 0.1 ~ 0.25S. Its advantage is a structure simpler, cost is inferior, at ordinary times specific power consumption is small without noise, lead plane life is long (15-20 year) , can suit to reach omnibus load at inductance sex, capacitance sex, frequency conversion can come true when need soft start.



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