Answer / k.prakashchandra

Impedance and back emf are reduced

Answer / purushotham polyreddy

when high currents produced temperature of the windings has
been increased when the temperature over the steady state
state temperature the insulation of the winding is melt
finally insulation will break so the windings are shorted

Answer / syed mudaser ahmed

In case of step down transformers secondary winding is more than primary winding , so on the basis of amount of secondary winding burned the voltage transformation gets increased from primary winding to the secondary winding.

can i connect wavetrap in 2 different phase in EHV line?

0 Answers  

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what is the difference between electrical degree n mechanical degree?

3 Answers   IGCAR,

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What are the two major types of control system?

0 Answers  

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write down the formula of cable size in RM if current is 50Amp.

0 Answers  

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what is the difference between skin effect

0 Answers  

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what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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How will polarity test of Dy5 transformer ?

2 Answers   BSL,

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CONSIDER A 415V/200V STEP DOWN TRANSFORMER.CAN WE USE USE IT AS STEP UP TRANSFORMER BY GIVING 200V IN SECONDARY AND TAKING OUTPUT FROM PRIMARY?

22 Answers   L&T,

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In Single Phase AC Supply,If Voltage between Phase and Neutral is 230V means what will be the Voltage between Phase and Earth?

2 Answers  

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what is the meaning of 5% droop or 7% droop in AVR?

0 Answers  

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what do u mean by knee point voltage?

7 Answers   TATA,

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What is the role and reponsibilities of Electrical Engineers in construction field?

12 Answers   ETA, Garg Electronics, L&T,

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