[其它]Analysis of sudden unbalanced short circuits in synchronous machines by applying the principle of

  Abstract-The  fundamental  idea  of the  principle  of /pDI \]  
harmonic   balance   is   introduced;   the   simplified POvpaPAZ<  
flux-linkage   and   voltage   equations     of   3-phase
kEs=N(  
synchronous machines were obtained by means of some [8C6%n{W  
necessary assumptions; then by applying the principle of QtsyMm  
harmonic balance, the sudden  line-to-line unbalanced 7<c&)No
;  
short circuit of 3-phase  synchronous  machines were @DYkWivLu  
analyzed concisely, the magnitudes of the odd and even =v]
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harmonics  of  short-circuit  currents  and  their  time }V %b  
constants of decay were gained at the same time. The d<l
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method can also be use ..  LYX\#  
=AJ I3'x  

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