why is only master neutral contactor is made to switch in synchronization of dg sets

4 Answers   Honeywell,

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Why is the starting current high in dc motor?

0 Answers  

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how we explain parallel paths armature winding?

0 Answers  

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Why in celling fan stator are rotatig while rotor are steday

6 Answers  

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hi friends can u tell me name of the sites where i can get animation of electrical machines......

1 Answers  

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WHEN THESE TRANSFORMERS WINDINS CONFIGURATION ARE USED? SPECIALLY EXPLAIN REGARDING STEP UP AND STEP DOWN KEEPING IN MIND.AND REGARDING LOAD ALSO. a.star to delta b.delta to star c.delta to delta d.star to star ALSO EXPLAIN WHY V USE 415/415 TRANSFORMERS IN TUBEWELLS?

1 Answers   ABB,

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in the Distribution system .which one is Most Economically used by Power Engineer ? a)3 Phase3 wire System or b) 3Phase -4wire System

6 Answers   APTransco,

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what is use of substation? Any book on how to instal or construction of substations?

6 Answers   Siemens,

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in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

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Draw an S.L.D of the main panel for a hospital, showing meter position. Essential loads are: 1) Equipment load 100 KW 2) Critical load 500 KW 3) Life AID Safety load 400 KW 4) NON-Essential load 200 KW 5) Other service loads 200 KW Calculate and suggest the size of the transformer, size of main cable, capacitor bank, and calculate the capacity of an emergency load having above first three mentioned loads is supplied by an emergency generator.

0 Answers   FEWA, HMK,

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What is float cum boost charging system?

0 Answers  

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How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 Answers  

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