Answer / saquib

in dc machines the losses are core loss,cu loss,stray loss,
mechanical loss, brush loss.... in which mechanical loss is
maximum.

What is the operating principle of turbo-generator.

0 Answers  

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whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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will the turbogenerator operate on leading power factor with out modification in the stator winding.

3 Answers   Toyota,

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what is the diffrance with elcb,rccb,mcb

2 Answers   Thomson,

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can anyone tel me what is competency of electrical supervisor??

2 Answers   ONGC,

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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working of bucholz relay of a transformer

7 Answers  

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how to connect the three phase capacitor in three phase star/delta connection motor?

1 Answers  

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

0 Answers   NFL,

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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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the transient state stability limit of a system wherin power is transmitted throgh a double transmission line is (a)equal to steady state stability limit (b)more than its steady state stability limit (c)less than than its steady state stability limit (d)equal to its dynamic stability limit

1 Answers  

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Which type of moter is used in trains, what is the ratting of supply used explain Working principal?

2 Answers  

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