Answer / k.prakashchandra

LBB relay is for failure of breaker to trip , and back up protection relay ( usually EM ) is for failure of main relay ( usually electronic )

Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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if 50hz transformer is required to be run on 50% frequency what needs to be done???????????

6 Answers   century,

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What is working Priniciple of TVSS ????

1 Answers   Emerson,

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21. What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing? 22. What are the protections to be used for Generator? 23. Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0 24. What happens when the polarity changes in CT? Explain briefly? 25. Explain the Term in CT Name Plate – Class: 5P10

3 Answers  

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Which type of power plant is more easier to produce electrical power at economical condition?

5 Answers   HAL,

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Why breakers not synchronized when the synchroscope is going in the anticlockwise direction?

2 Answers  

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Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

0 Answers  

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why use generator Earthing/Graunding.

4 Answers  

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Iwould like to know barc interview questions

0 Answers   BARC,

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What is Goerges phenomina to start SYCHNOUSMOTOR?

1 Answers  

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why causes the burnt of AC Electrical Motor ?

9 Answers  

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i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side

2 Answers   Modern Terry Towels,

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