How can calculate the efficency of the rectifier. input
240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.
Answer Posted / swapnil
1]first of all to calculate output power of rectifier by
using formula P=VI*PF
2]CALCULATE THE INPUT POWER BY USING SAME FORMULA.
3]CALCULATE EFFICIENCY BY USING FORMULA
EFFICIENCY=OP/INPUT*100
Is This Answer Correct ? | 15 Yes | 5 No |
Post New Answer View All Answers
how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?
what is differnce btwen lll and lllg faults
what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????
why dc is used in control circuit for mv & hv switchgear instead of ac
who can measure the size of power cable?
Explain the advantages and disadvantages of thermal power plant?
how to remover corona effect and hysteresis losses from contactor
Why neutral cable carry current.
Dyn1 transformer vector group testing how to do
why any centrifugal blower draw more current in starting. consider id fan and fd fan?
At what speed 1 HP motor can run an electric car of weighing 400 kg?
Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).
how to calculate micom relay earth falt time and current sertting