7.33(a) Off-Line UPS (mains on). When the utility power fails a sensing circuitry activates the transfer switch and the load is then a#39;powereda#39; by the inverter as shown in Fig. 7.33(b). However, as the inverter will see a sudden rise in its load, anbsp;...
|Title||:||Power Electronics : Devices and Circuits|
|Publisher||:||PHI Learning Pvt. Ltd. - 2011|