The advantage of free wheeling diode in a Full Ware rectifier is -reduces the harmonics -Supplies the voltage at negative vlotage
GNFC,
4 29845why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
ISRO,
2344what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?
2977if acapacitor connected to power supply will it cosume power& will it going to get recorded in energy meter
2 5004an electric bulb is connected on a holder. one end of the wire is connected to the phase and the remaining one connected to earth instead of neutral. the bulb will glow or not? if yes then what is the need of neutral?
7 14306what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?
4133detailed procedure how we calculate cost for pcc m10 and rcc m20 including centering and labour excluding steel/ iron
3198Post New Electrical Engineering Questions
Please give me a erda placement paper
clarify types of motor operated valves and advantages
What is bode plot?
how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size
1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?
HOW TO CALCULATE HV CABLE SIZING?
How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?
what is the use of power transformer in GSS.
Which motor connection is preferable star-delta or delta-star?
How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
if we have a industrial load of 400 kilowatts with 415 volt AC then how much total harmonic distortion (thd%) should be acceptable for steady power system.
RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?
Why delta star trformers are used for lighting loads?
What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?