[其它]Research on internal fault of generator including saturation

Abstract - In order to improve the performance of protection YzsHec  
systems of generators against armature faults, it is desirous to OG/R6k.  
study the operation of synchronous machines with internal faults $)z(4Ev  
iri stator windings. For this purpose, based on the multi-loop ocGqXDg3  
m.odel and FEM, a saturate model of synchronous generators is _q+H>1.&9  
e:;tablished. The state equation of the multi-loop model is timestepped s$|GVv1B  
forward, during which FEM is used to calculate the H8rDG/>^  
winding EMF under saturate condition. The full synergic effects 29 ')Y|$,  
or space harmonics resulting from the magnetic circuit geometry, exZa:9 sp  
saliency, saturation, winding layouts. slotting, and time harmonics _Su$oOy(Ea  
resulting from the non-sinusoidal currents, are included in the #.#T+B+9  
simul .. jh2D9h  
FL"7u2rh,  

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