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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.
1 4123How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
2105what is the working principle of energy saver control panel. please give the complete calculation & theory.
2382For what purpose an AVR in generator sensing generator output voltage?and how the sensing is done by AVR?
3 8944Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.
HAL,
2066Is it possible to use AC supply insted of DC supply in trip coil operation? if not, why?
HAL,
5 7516How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?
HAL,
2087Post New Electrical Engineering Questions
how does an encoder work???
what is package substation.how many types they have
WHAT IS THE WINDING PROCEDURE OF ELECTRICAL MOTOR
What do you mean by Frame 5 Gas Turbine as well as Mark II.
comparision between ACB and VCB
what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.
Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?
A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.
whats the existence of reactive power and when it arises?
What is maximum power transfer theorem?
formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?
what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?
difine electrical ballast in HPSVL
What is meant by impedance? difference between high & low impedance ?
In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?
