... use of appropriate transformers, switching, and control circuits. Solid-state inverters have no moving parts and are used in a wide ... utility high-voltage direct current applications that transport bulk power. Inverters are commonly used to supply AC power from DC sources ... 200KVA2, High frequency online UPS from 1KVA to 10 KVA3, Inverters with 48v, 110v, and 220v,4, Electric exclusive UPS5, ...