Answer / k.prakashchandra

The question is not clear.Magnetic balance test is carried
out for detection of shorted turns and extensive core
problems such as shorted laminations or core bolt insulation
breakdown.In air crafts the metal body is used for grounding
and earthing is not possible

generally on the roadside v hav 11kv line which is being step down to 440v line to line....so any1 can tell me which type of transformer they r using whether it is star to delta,delta to star etc...???

9 Answers   Core Solutions,

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what ispositive, negative, zero sequence impedence?

0 Answers  

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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 . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

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A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a, will Trip. b,Drack Out lever will not access c, will get shock d, noting will happened

4 Answers  

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why diesel tank is earthed

1 Answers   ABB, NTPC,

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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a simple c++ program to calculate simple interst with its data members as private

0 Answers   L&T,

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capacitor applied voltage is 1100VDC & capacitance value is 82uF how to calculate current of capacitor.

2 Answers  

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Conventionally, capacitors are considered to generate reactive power and inductors to consume it,how??????

1 Answers  

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In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 Answers  

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where induction generator is used ?

1 Answers  

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How much dc volt applied in cathodic protection system?

0 Answers  

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