Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?2 4718
Draw the line diagram of diffretial relay connected to transformer?
Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?6 8409
AC current is flowing in a wire in your home how can you measure it(name of the instrument)24 10936
1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?
What will be the capcity of 3 phase DG set require for 25 KVA single phase lighting load?7 11446
MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?7 7000
what factors to needed while selecting a MCB and MCCB3 7022
Pl.brief me about Electrical power distribution system from Main generating station to Industry.What is the use of in between station.
how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.
why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel
what are symmetrical and non symmetrical components in electrical installation.
Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above
Why can't we parallel Voltage transformer secondary circuits?
HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....
what will happen if dc is supplied in acb or mccb or other circuit breakers?
circuit diagram of trip circuit supervision relay
Why slip ring ind. motor power consumption is low compare to induction motor .same 90 kw motor used same load output
why 1.7Uo for HV cable Hi pot test?IE standard why?
IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?
how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.
Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?