Answer / sachin

Secondury open circuted,Ct,s Secundery winding is always
ahort ckt.If it opens Ct get satuarated and damage

Answer / t.gnanavel

if the secondary winding is in open there is no back emf to
the primary winding.so the current in the primary winding
increased to an infinit value and the coil gets burn out.

which is better ac or dc?

2 Answers  

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In 3.5X150 Sq.mm cable what does 150 stand for outer dia or inner dia?

4 Answers  

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What is an iron loss or core loss pi?

0 Answers  

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1KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

16 Answers   Ecil, Engineers India, MahaDiscom,

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What is the difference btwn grounding and earthing?

11 Answers   HAL,

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make control wire diagram of start and stop a function with a single push button

1 Answers   Sona,

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is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

0 Answers  

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What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

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In what circumstanced the CT used for protection relay will be saturated?and what will happen to the relay is the CT is saturated?

3 Answers  

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What are motor generator sets and explain the different ways the motor generator set can be used ?

0 Answers  

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What is shunt voltage and u v voltage witch one best

0 Answers   SEL,

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why transformer rating is given in kva?

2 Answers  

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