Answer / technical1210

MCCB are avaliable in 4 types. One,two, three and four
poles. These can be used between 25 A to 1600 A as per need.

Answer / sri

32A to 630A

how can we run the induction motor at 9000 rpm ,by keeping frequency constant??

2 Answers  

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What are pre paid energy meters ? How it works ?

1 Answers   Siemens,

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WHY THE SYNCHRORONOUS MOTOR IS NOT SELF STARTING, AND WHY THE STATOR AND ROTOR IS COUPLED?

3 Answers   Essar, GCUF,

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State the difference between Three winding transformers and Two winding transformers ? where its used?

8 Answers  

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what are the particle used along with silica gel in transformer breether,explain their functions.

4 Answers   ME, Oil India,

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On what cycle does thermal power plant operate?

0 Answers  

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Simple calculation of improving power factor?

5 Answers  

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What is relation bet kvar & microfarad

2 Answers  

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How does the phase sequence controller works, how it identifies the phases? confirm working principle

0 Answers  

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Three phase alternators are connected in star connection why?

13 Answers   Tanfac,

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what is black out?,what is brown out?

1 Answers  

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why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

7 Answers   ABB, ONGC,

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