Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 29 Mar 2018 My Price 6.00

two-winding system

3.7.                            A two-winding  system has  its inductances  given by

 

        

where k1 and k2 are constants. Neglecting the winding resistances, derive an expression for the electrical  force (as a function  of x) when  both  windings  are connected  to the  same voltage  source,

V = V,n Sin rot.

Because L11  = L22  and L12  = L21,we havei1  = i2  = i.  Hence the stored magnetic  energy is

Wm =         L11i  +       L2ii + L1i1i2 = (L11 + L12)i 2

and the  electrical  force is

 

(1)

 

The current iis related  to the voltage v1  = v2  = v through

 

 

 

 

or

 

 

(2)

 

 

Then (1) and (2) give

 

 

Vcos2  rot

F   =  -  -----.-

e                   (kl  + k2)ro2

 

It is seen that F. is apparently independent of x, a result which arises from having ignored the  leakage

flux.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 29 Mar 2018 01:03 PM My Price 6.00

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