Electrical Diagram of Electric Arc Furance from transformer to Furances

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What is the difference between rulling span and wind span of of an Over Head Transmission Line?

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what is LSR?

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what is the effect of power factor on DG supply,i mean to say what will the effect if we add capactors on dg supply.

4 Answers   HCL,

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What is the purpose of REACTOR in GIS substation?

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I If i have 2kv ups in which 38Amp *8battries hou many hour's back up i get from 600Watts

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IN MY SYSTEM THERE IS ONLY OVER CURRENT EARTH FAULT RELAY IS AVAILABLE. FOR THE UNBALANCE SENSING IS THERE ANY RELAY IS AVAILABLE? THE SAME CTs WHICH ARE USED FOR THE OVER CURRENT EARTH FAULT RELAY CAN USE FOR UNBALANCE ALSO?

2 Answers  

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What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

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which motor gives constant speed?

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Can any body describe me why a soft starter is used for 6.6kv induction motor instead of VFD ?

1 Answers   Cairn,

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