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

6 Answers   HAL,

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Sir Power transformer :- (in generating station) Alternator terminals side - Delta HT transmission line side - Star Why?

4 Answers   Kirloskar,

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What is BusBar integrity test and how it is conducted?

0 Answers  

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When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<

0 Answers   Lupin,

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why the projects getting loss?

0 Answers   SBPL,

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The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 Answers  

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why armature is placed in stator but not in rotor in synchronous generator ?

2 Answers   Student,

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What is the need of generator relay panel

0 Answers   Newell,

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how to find the voltage drop

1 Answers   Sharjah Electricity and Water Authority SEWA,

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what is the different beetween kva and kwh?

4 Answers  

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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WHAT IS THE DIFFERENCE BETWEEN A DC MACHINE OUTPUT AND RECTIFIER OUTPUT...

3 Answers   Cesco, NTPC, RRB,

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