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

how to calculate the current if i know power in MW and voltage 11kv/415v and also want to know that incoming cables for trnsformer

6 Answers   Daikin, KOC, Reliance,

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hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

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which metal use as a electrical shunt?

2 Answers  

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0 Answers   IOCL,

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1 Answers   NNN,

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How to assume answer to electrical questions

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what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

0 Answers   Suparco,

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If you have an earth with pilecap then your resistance is really low. why and how?

0 Answers  

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physical identification of HT & LT panel

0 Answers   Schneider,

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why does a dc machine has high efficiency while working as a generator than as a motor ..

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what is the voltages using in movie theaters??? why ??why not other??

0 Answers   Lanco,

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