what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,?
are this methodis good to reduce the energy.?
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if you asked to choose a ckt breaker from MCB & MCCB for 32A which one will be best and why??
why capacitive load is not used in routine life????any reason is there ??????
star delta starter contorl circuit... drawing..
What is step signal?
29 Which of the following breaking method save energy? A regenerative breaking B plugging C dynamic breaking D none of above
Ceiling fan motor wiring Hi, I have 2 ceiling fans broken. The receiver/control units burned out due to lightening. One Harbor Breeze and one Hunter's I took them apart (remove receiver units). Now on both of the motor I see 4 wires coming out from each motor I really want to know the function of each wire. Are there anyway I can test to see which is which? After searching forums I know these 4 wires are from 2 sets of coils inside the motor, one is Start winding and the other is Runing winding I could not find the receiver/control unit any where, so I am planing to buy Capacitors and universal remote controls to make the fans run again. Anyone has any idea how to do the wiring, please help Thnks
Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
what are the safety measures of induction motor?
Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............
what is the responsibilities of electrical project engineer?
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?