What will be the output voltage of a transformer if it is primarily energized from a square wave voltage source?

0 Answers   HPCL,

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america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

0 Answers  

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what is the use of megger? and types

11 Answers   TNEB Tamil Nadu Electricity Board,

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how moving coil indicator works?

1 Answers  

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Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

0 Answers  

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What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

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How to find knee point voltage in current transformer?

2 Answers   TCS,

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what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

3 Answers   Mac,

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IN Electric train which type of motor is used,for what reason they uses?

3 Answers   L&T,

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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the parts of transformers ?

1 Answers   Bhel, Facility management,

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