Answer / burning fuel

Polarity of CT changes after every half cycle (ac). Nothing
will happen only the direction of the flux rotating in the
iron core will change.

Answer / ujjwol

i think nothing will happen if the polarity of CT is changed..CT basically operates on AC current..

Answer / m.k.k

ammeter reading change. i means needle move from right to left

Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

0 Answers  

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why odd hormonics only will effect the power system.why not even hormonics

2 Answers  

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Is a current transformer step up or step down ?

2 Answers  

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Can I use measuring current transformers in protection purposes?

7 Answers  

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why PD testing for power cables

1 Answers   Bhushan Power Steel, CSE, Datre Corporation,

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how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....

1 Answers  

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what happen if the battery is charged by more than one source ,for ex: connecting data cable to laptop & charger pin to source supply ? 

2 Answers  

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Why a dc generator gives result during two different condition,- 1)separately exited gen.- Eg=110 V, field current=0.25 A. 2) self exited gen.- Eg=30 V, field current=0.025 A.

1 Answers  

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what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

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why we cant use AC supply products in DC supply?

21 Answers  

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how to measure winding resistance of single phase motor?

1 Answers   Adani, Dodsal,

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