1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

0 Answers   ABC,

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Why indicated only R.Y.B to phase.

6 Answers   Bhel,

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When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

1 Answers  

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Differene between KVA and KW.

6 Answers   Bharti,

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What is the difference between PLC and Embeded system

0 Answers  

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what are the types of control panel used in industries & all electrical purpose ?

4 Answers   HP Tronics, IVRCL,

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how to 2 phase supply from 3 phase

1 Answers  

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How to megger test 11 kV cable and the acceptance IR value

0 Answers   BVG, NFL, ONGC,

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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

0 Answers   Bhel,

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How Can we calculate the rating of a cable?Show the formula?

2 Answers   Jindal,

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how to calulate bearing number of any motor ?

0 Answers   Transfield,

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What is metering cubical? What is the use?

2 Answers   HSL,

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