why frequency should be constant?

2 Answers  

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2 hp motar how many amps taken please show me the formula

4 Answers   Cable Wireless,

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What are the reasons for the parallel operation of transformers?

0 Answers  

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i seen a 132kv/11kv transformer,and thier is a sugar factorys 10MW EXPORT PLANT,MY QUESTION IS THAT WHEN THEY EXPORT ELECTRICITY THEY USE THE SAME TRANSFORMER AND THE CONNECT IT TO 132/11KV TRANSFORMERS SECONDARY SIDE CAN ANY ONE EXPLAIN IT.. THE TRANSFORMER IS OF KIRLOSKAR MAKE AND IT HAS TAP CHANGER.

1 Answers  

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Hello, I am just preparing my self for a university interview and struck on the 11kv ring main unit system network. I just know that ring main unit has total three breakers, fuses and use to supply a power to any load/ building without any interrupt. But i am not be able to visualize the connections, either Ring main unit getting power from two different power sources? or there is always one feeder in complete ring circuit??? I would be highly thanks full of you help me.

1 Answers  

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How to connect a ELCB with contactor and relay ?

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how starting current in motor is reduced in case of motor in star connection.

4 Answers   Adhunik,

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Can I use star delta connected induction motor for dual supply voltage?

0 Answers  

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block diagram of 2 ups system connected in parallel mode?

0 Answers  

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we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?

1 Answers  

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What do you mean by turns ratio of instrument transformer?

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Why mostly the HV side of transformer has Delta?

0 Answers  

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