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
Single line diagrams for star to delta and DOL starters.
What are the types of control system?
what is the minimum winding resistance of 30hp compressor, to run or to switch on
can someone explain that how the speed of the protection system affects the fault level calculation?
why dimmerstate always connected in star connection? what will happen if it connected in delta?
How to calculate wire length,size & current? ( related to control panel)
need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.
How cmd is calculated in case of energy neters
model question paper for supervisor trainee
what is the function of gss in the dg set.
I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?
either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?
Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry
what is magnetizing and demagnetizing current in generator and motor?
Star Delta Diagram with full description