Answer / vinodhini

Active power is the useful power which is spent to do work..It is the amount of actual power what we are using to run our application.
Reactive power is used to produce magnetic field......in case of any electromagnetic application.....
Power factor is the cosine of the angle difference between voltage and current.....

Does the total power means fundamental plus Harmonics?

2 Answers  

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In transformer how measure the winding temperature ?

5 Answers  

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i ha done my 10th with 71% ,ITI with 81% 11th with 75% 12th 43% apprentiship with 71% in SAT i secure 1390 ,TOEFL 27 i was refused four times and in all me interview visa officar told that i am not Qualify for study in USA but i completed my 12th yes i got low persentage in my 12th but i seen to much student they already got visa with them 3 or 4 backlocs so why they are refused me ?

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what will happen if a part of primary winding of a transformer is accidentally short-circuited?

2 Answers  

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what is the role of transistor in Circuit?

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Pls explan the OLR setting in VCB at HT yard

0 Answers   Juniper Networks,

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sugest any typical project ?

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What is the Different Between Breaker and One and half breaker.

2 Answers  

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in dc shunt generator field is open in running condition what will happen?

8 Answers   century,

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what is the diffrent between ups and inverter

2 Answers   ABB,

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1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 Answers  

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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