Answer Posted / siva

Incoming feeders of 33KV

Electronic circuit

1090

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what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?

1958

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

2237

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2977

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Name of the relay of low lub oil presuure in DG sets

2099

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How two nos. 130 kw D.C motor get synchronise using D.C drive.

2191

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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.

2084

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For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

3349

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explain PV modules in solar energy generation.

1988

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What is bridge rectifier and explain with details

1980

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please send me last 5 year interview questions

2245

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what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.

1905

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use of choke in APFC panels

5919

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Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain

3098

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How much voltage we need to apply in 33kv cable during hipot test of cable

920

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