supply of 10 kva online ups for cse department , 10 kva online upsfor cse department , 10 kva online ups 10 kva online double conversion igbt based h-bridge pwm technology using micro-controller under low supersonic frequency 12 khz. switching 240 vdc operated ups with wide range individual step- down & step- up transformers for converting and inverting with 1 hour backup using 12v,65 ah smf battery-20 nos. input parameters: input supply : 3ø input,400 vac ± 10% input frequency: 50 hz. ± 1% dc converter: poly phase converter using 96 amps thyristor module with lc filters dc volt at charging: 270 vdc floating dc current control: using 75 amps dc shunt dc fuse protection: using 63 amps black lite carrier with hrc fuse link input fuse protection: using 63 amps black lite carrier with hrc fuse link x 3 nos. output parameters: output supply : 1 ø220 vac ±0.5% input frequency : 50 hz. ± 0.1% inverter : h-bridge using 2 nos. of 200 amps igbt module inverter transformer: step-up transformer primary: 0 – 110 vac, 160 amps secondary : 0 – 230 vac, 40 amps inverter protection: using 63 amps black lite carrier with hrc fuse link output fuse protection: using 63 amps black lite carrier with hrc fuse link bye-pass switch provision provided by 40 amps rotary switch display lcd / led display for output volt, dc volt led indications : mains on /input onr, y, b phase failure / phase reversed inverter / ups on, dc low, over load with onsite installation & demo, onsite delivery, onsite warranty