How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 Answers  

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What is difference between MCB,MCCB,ELCB and RCCB? Brief description and why RCCB is costly?

3 Answers   JLL,

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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which is best ac or dc

3 Answers  

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WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

0 Answers   TCS,

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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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Is reverse power relay of generator operate due to voltage variation problem? please clearify.

1 Answers   Birla,

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what is power and what is watts detailed description and formulas

2 Answers  

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If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 Answers  

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Differance between ELCB and RCCB?

8 Answers  

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what is the advantage of connecting capacitors in delta than in star?

1 Answers   NTPC,

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why we use mostly 3-phase but not 4-phase and 5-phase what is the difference between them

1 Answers  

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