What is the reasonable voltage between Neutral & Earth of an electrical system for good earthing?

6 Answers   HAL,

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how can you size an automatic voltage regulator?

0 Answers  

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how to estimate wiring ins roughing ins. and boxes

0 Answers  

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Pls mail me utility & Dg related question with answer

0 Answers  

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Which rccb 30ma,100ma,300ma sensitivity should be used in domestic line and what is difference, advantage and disadvantage of all three

2 Answers  

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What is dynamo?How it works and what is the function of dynamo in a DG.

3 Answers   Amrapali,

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3ph motor running with unequal kw and different pf what are the reasons

0 Answers   UltraTech,

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My question is whether bellow formula is correct to find bus size for 46kA for 0.5 second & what is RT in bellow formula. formula to calculate the size of busbar to withstand the thermal stresses due to currents with duration of 0.2 sec to 5 sec. Sp = RT( I x I x t) / K Where Sp – is the cross sectional area of bus bar in millimeters. I -    is the value of AC fault current. t -    is the operating time of disconnecting device in seconds. K –  is the factor depending on the material of the conductor, insulation and initial and final temperature. Value of ‘k’ for copper is 143.

0 Answers   Premier,

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what is swirl induction in i.c engine????????

1 Answers   Ashok Leyland,

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2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

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Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.

1 Answers  

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What are applications of Shunt release?

2 Answers   Techno Electric and Engineering,

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