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

  Abstract-The  fundamental  idea  of the  principle  of --diG$x.  
harmonic   balance   is   introduced;   the   simplified k>i`G5Dh  
flux-linkage   and   voltage   equations     of   3-phase CF3x\6.q}  
synchronous machines were obtained by means of some \A^8KVE!  
necessary assumptions; then by applying the principle of +@uA  
harmonic balance, the sudden  line-to-line unbalanced `StuUa  
short circuit of 3-phase  synchronous  machines were UU(Pg{DA6  
analyzed concisely, the magnitudes of the odd and even -uN{28;@  
harmonics  of  short-circuit  currents  and  their  time /t`|3Mw  
constants of decay were gained at the same time. The &3IkC(yD  
method can also be use .. &_]G0~e  
#9s)fR  

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