What is OLTC in transformers and what is its function?

4 Answers  

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What kind of preventive maintenance are there for AC induction motor?

1 Answers   Gulf,

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why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

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what is the difference betwteen overcurrent and short circuit fault?

3 Answers  

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Why generator is not connecting in delta ..why connecting in star ?

4 Answers   Bhel, Foretec Engineers,

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what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

3 Answers  

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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What is domestic transformer? Draw the connection of domestic transformer.

0 Answers  

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how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

0 Answers  

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If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers  

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what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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