what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

0 Answers  

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what is the difference between electrical and electronic choke?

0 Answers   TCS,

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At what voltage domestic tubelight works?

2 Answers   Cigfil, L&T, MNC,

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how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

0 Answers  

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What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

0 Answers   Equate,

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how to calculate the no. of earth pits required for an electrical installation?

1 Answers   Mepax,

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Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

0 Answers   HAL,

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how to calculate H.P of a moter from speed of a moter?

5 Answers  

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If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1 Answers   Siemens,

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cany anyone suggest electrical wesites for providing study materials?

0 Answers  

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Z transform is use when system is not a) converges b) diverges

0 Answers   CCP,

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What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

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