What is a difference between indoor transformer and outdoor transformer of same rating

0 Answers   Suzlon,

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what is the difference between earth and unearth cable?

1 Answers   Essar,

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how can check the resistance of battery contact?

0 Answers   Cipla,

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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

0 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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Why cables and busbar both needed in LT Panels?

0 Answers  

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How can we calculate No load and full load torque of electrical machines, i.e. motor or alternator?

1 Answers  

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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why we are connecting the alternator to a steam turbine of higher RPM then the rated RPM of alternator? For example:( connecting 1500 rpm alternator to 7600 rpm steam turbine). we can directly connect the same rpm turbine to alternator know??? is there any special reason ???

2 Answers  

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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why we commonly use delta star winding in power and distribution transformers

7 Answers  

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