Answer / mak

sc for copper loss
oc for iron loss

Answer / manju

occ test is perfomed to find no load loss of transformer.
scc test is perfomed to find full load loss of transformer.
for more reffer text book electrical technology by B.L.Thereja

How calculate the MTA in relay?

1 Answers   Unicharm,

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Why motor initial starting current is high?

9 Answers   Pennar,

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How can we calculate cable size in Low voltage & high voltage

0 Answers   United Breweries UB,

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Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

4 Answers   HAL,

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The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 Answers  

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why in India it is maintained for exactly 50HZ frequency, why it is not that 49Hz,why it is so?

2 Answers  

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Advantage of 11KV ring main system with open point

1 Answers   Alam Group of Companies,

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what does mean of RCT and STR in diffrential CT?

0 Answers  

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why the starting torque is high in dc series motor..

3 Answers   GM General Motors,

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Inductor and capacitor........power in one phase and ...... in it another phase.

0 Answers  

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The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

1 Answers  

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why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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