what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

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What happen when switch yard one pole not tripe when you tripping the breaker

3 Answers   Adani,

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what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?

3 Answers   Emerson, IIT,

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what would be the earth to neutral voltage in industries? if it is not main Taine then what will happen?

4 Answers  

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Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 Answers  

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Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

10 Answers   EEE, Mtandt,

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they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.

1 Answers  

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Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer?

1 Answers   Adani,

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what is the effect of power factor in electrical circuit ? if we mainten power factor near about unity (0.999) our energy consumption Units increase or decrease?

11 Answers   Piramal Healthcare,

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what is the main purpose of line PT and bus PT?

11 Answers   L&T,

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In three phase energymeter the spindle rotating backward why?

1 Answers  

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can we do the star delta connection of capacitor for 3- phase motor starter.

0 Answers  

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