What should be the value of earth resistance for an instrumentation/electronic circuit? As per which IS/IEC Code?

3 Answers   IOCL,

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How to select earthing strip for 100kw induction motor ?

2 Answers  

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Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????

0 Answers  

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1)what is hypo test. 2) which cable need to hypo test.3) when hypo test can be done before or after glanding.4) what is the purpose of hypo test.

5 Answers  

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WHAT IS THE DIFFERENCE BETWEEN KW AND KVA ?

10 Answers  

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What is the function of lead sheath?

2 Answers  

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what about GD square and its important for motor design?

0 Answers   Innovis, MNC,

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Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

3 Answers   Anwar Ispat,

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What is the effect of positive feedback on stability of the system?

0 Answers  

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the circuit having same properties in either direction is known as.......

2 Answers  

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HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

0 Answers  

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in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

0 Answers  

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