Answer / sunny

u can run S.M. at any power factor u want by changing the excitation.

Answer / harshal nemade

synchronous moter run at all power factor as unity leading and lagging by chnging the excitation as
under excitation it is operates as lagging
over excitation it is operates as leading
at normal excitation it is operates as lag but reached to unity
at critical excitation it is operates as unity pf

what deffrence between KW $ KVA ?

7 Answers  

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HOW MANY EARTHINGS REQUIRED FOR GENERATER

10 Answers   Juniper Networks,

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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what is rated current and operating current?

1 Answers  

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Dsitrubution transformer minimum IR value

1 Answers  

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1 Answers  

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9 Answers   ABB, Reliance,

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what will happen if i connect 12 volt battery with 24 volt battery charger.

0 Answers  

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1 Answers  

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what type of protection used below 132KV feeders

11 Answers   APTransco, Telecommunications, wbsedcl,

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could any one explain me what power factor and where it is use ful

3 Answers  

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