00486nam a22001217a 4500020002100000020001500021082001700036100005000053245004100103260005000144300003900194650013100233  a0521472415 (hb)   a0521478138  a621.317bSHE  aShepherd, W. aL. N. Hulley aD. T. W. Liang   aPower electronics and motor control   aCambridge bCambridge University Press c1995  axxiii, 539 p. b: ill. c; 25 cm.   aPower electronics aElectronic control vPower switching theory vSystem realisation vVoltage controllers vD.c. motor vFEAS