Answer Posted / venkatesh

voltage transformer is used for distribution of voltage
only but the potential transformers used for measuring
and protection purpose.

how harmonics generated in induction furnance? how minimise it?

1951

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What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2768

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1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

2207

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what is laser diodes?

1107

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

1872

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why the projects getting loss?

1879

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Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1883

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How we can change the direction of rotation of Induction motor? Prove it using graphical

2109

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WHAT IS VCB SAFETY

1187

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What is trip and closing coil in cb? Why need of them

1448

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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

2445

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What is an Air COmpressor

2190

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for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2396

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Does the direction of rotation of d.c. Shunt motor would get reversed if the armature current and field current both are reversed?

1093

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What is different bewteen low or high impedance busbar protection scheme

4068

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