What is the fuction of UV & how it works in circut breakers? is it one type of relay?

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active elements are those which are capable of

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i have 28/32 MVA power transformer with 11/6.6 KC voltage rating and 12%impedance.it have star connection at both side.but it have another thied winding tertiary winding.what is used of this winding. pl tell me

7 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

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One B.O.T Unit ??

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I am having 120KVA UPS,which is connected to DG & normal power. What is the power drawn by this system when system is running on DG ????

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E.B sending end to receiving end 33kv ug cable laid 8Km,receiving end to ss1,ss2,ss3,ss4 all are Approx 800 Mtr,can go for 33KV to 430V or 33kv to 11kv in receiving end and 11kv to 430 near ss ,which one is good for technically and economically.

1 Answers   JLL,

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how to do 'pole drop test' on AC generator?

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For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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when a motor is connected in parallel with the existing motor the pf will change or not?

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List some examples of renewable energy?

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i want some interview related questions with their answers which can help for attend the interviews...

0 Answers   Janta Glass,

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