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 Categories >> Engineering >> Electrical Engineering
 
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Question Asked @ Answers Views     Select
Name some application zrea where IDMT relay can used?    3  2669
Totally how much power will be consumed in 1 hour cotinuous running of electric train engine? l&t   1  553
what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?    1  500
Brushed alternator is also called dc generator ? its true or false ?explain it ?    5  950
what is rotatng magnetic field in case of three or multiple phase alternating current machines??? nhpc   1  379
WHAT IS ERECTION OF ELECTRICAL SYSTEM?    0  574
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?    0  152
HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?    0  915
what is XLPE type cable areva   8  2910
What is the value of nuetral current in star connected load when DC is supplied to it???    1  511
why cu losses called cu losses.    5  1055
why the rating of a transformer in kva not in kw.    8  1596
define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes. siemens   4  4206
please explain me about traction application?    2  764
what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?    2  400
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Un-Answered Questions
 
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what is the procedure for erection of a transformer 422
what the principle of sincroscope?how it works?when it needed? 235
how many number of terminals are available in CURRENT TRANSFORMER 690
wow to calculate the transformer rating(KVA) 199
what is the requirement regarding earthing of Single conductor with AWA 237
(1)The demand for electricity , the amount of renewable generation available, the amount of fossil fuel generation available and the cost of the fossil fuel generation are shown in table below period(hrs) demand(MW) renewable (MW) fossil- fuel(MW) cost of fossil fuel(MW) 00.00 - 01.00 2000 1800 2000 30 01.00 - 02.00 2300 2500 2000 30 02.00 - 03.00 2500 2700 2100 45 03.00 - 04.00 2900 3100 2100 50 04.00 - 05.00 2700 2600 2500 45 05.00 - 06.00 2400 2000 2700 50 06.00 - 07.00 2200 1800 2000 36 07.00 - 08.00 2100 1600 2000 36 Assuming that the renewable generation incurs zero cost, determine an optimal generation schedule(specifying the amount of renewable generation and fossil fuel generation used in each period, the cost for each period and the overall cost for 8 hours.) 136
what is the principle of operation of synchronous motor and generator? explain in detail. 1293
How is the percentage impedence of a transformer fixed at design stage??? 198
who can measure the size of power cable? 99
Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator. 239
what is deffrence between squirral cage and wound rotor in IM? 126
How to confirm the Phase shifting Transformer VECTOR GROUP relation , as below ZNy11.45d10.45-ZNYy0.15d11.15 139
where reactive power is used 126
distribution is maximum done by a)radial b)network c) parallel d)b & c 160
neutral earth resistance testing is it possible for transformer while in load condition 124
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