Answer Posted / devendrapandey

yes we connect all earth pits in ring system.IS3043 is the
standerd international rule of earth pit.Acording this we
have follow some rules in meaking earth pit like the earth
resistance should be between the 0 to 3 ohms & some more u
will know as well for making a perfect earthpit.

What is expention fastener (Fan)

2092

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how does it help for selection of a transformer.

1903

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Why Stabilising Resistor used in REF circuit ?

3396

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what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

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What do you mean by turns ratio of instrument transformer?

1141

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What test must you do before powering up a circuit that you have been working on?

1913

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Circuit diagram of tube light without starter using electrical choke

4171

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what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

2345

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WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

2122

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What is center gravity load in substation?

2477

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wow to calculate the transformer rating(KVA)

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2222

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A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

2027

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How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

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I completed my BE EEE degree 2006 .... which license should i apply .... ?????

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