[其它]Parameter measurement of multi-phase synchronous machines with AC and DC output

    Abstract- Many self-contained electrical systems require ~KS@Ulrox  
simultaneous AC and DC power supply. The hybrid AC- sS}:Od  
DC supply generator(刀ADSG) is a good solution .Several zs#-E_^%M  
independent Y-connected  windings are equipped on the g-d{"ZXd J  
stator of HADSG one delivers AC power and the others, "E2 0Y"[h  
termed DC windings, are connected to the bridge rectifier. kMch   
Methods  of  parameter  measurement  considering  DC raPOF6-_rH  
winding resistances are presented for a typical HADSG vNs%e/~vj  
with a 12-phase DC winding in this paper. The d-axis self _<.VP  
and mutual reactances can be acquired by various short- WC~;t4  
circuit tests for one or two three-phase windings. Relevant LsERcjwwK  
formulas are derived for calculating the d-axis parameters d[3me{Rs  
through measuring the short-circuit currents and voltages hp'oiR;
~w  
of all open three-phase windings. According to the voltages Wds>'zzS  
and  currents  measured  in  slip-tests  for  AC  and  DC ,6g{-r-2  
windings, the q-axis self and mutual reactances can .. > U?\WgE$  
Nz`8)
Le  

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