What are the different types of VVVF Drive ?

2 Answers  

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what is differnce between oil transformer & dry type transformer ???????????

2 Answers  

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What is Goerges phenomina to start SYCHNOUSMOTOR?

1 Answers  

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Tan delta point in transformer to be earth or not?

1 Answers   DMRC,

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What is an infinite bus bar?

34 Answers  

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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how to calculate the input current in singel phase and 3phase supply to 5kva ups

1 Answers   Gravity India,

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What is the use of mc( moving coil) in dc voltmeter and dc ammter and what is the use of ( moving iron)in ac voltmeter nd ac ammeter

0 Answers   HCL,

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what is compatible kva for 3300 watts and why

1 Answers   FoodBev,

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Why we are use dol starter up to 10 hp

0 Answers  

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What is auto transformer?

28 Answers   ABC, Transformers and Electricals, US Consulate,

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when elecromagnatic waves are propogated in a wave guide?

0 Answers  

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