why is only third harmonics is dangerous for electrical
equipments?
Answer Posted / donaal saka
on doing harmonic analysis of any system ,we usually come across with odd harmonics due to unique symmetry of waveforms. The Amplitude of each harmonic component goes on decreasing as harmonic order increases .Since after fundamental we have third harmonic which will have appreciable amplitude and hence can affect system performance
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
i installed 100kva ups. what KVA genset they should provid in input side? plz any update formula or ans with reason.
what is meant by carrier aided trip protection in transmission line
what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada
Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box
why r we using shell transformer for low voltage
I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com
Dear sirs, pls check this 4-20ma to RS485 module datasheet,pls guve me some suggestions. http://www.szsunyuan.com/sy/pro_more.asp?Productid=539 Thanks. E-mail:yunianjiang99@gmail.com
whati s the sludge current in ups
a governer in an Ic engine controls the
what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV
what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen
what is meant by poly phase induction motor ? how its operating by single phase or three phase?
What is the test block protection relay if any body know plz explained
How cable from Kit-Kat to main switch, from starter to motor are designed?