oqqqonIIVVIItnPVQ   0010000100+00ratedrefTpvfldldlqodoqodoqrefratedlqfpvrefpvdodivrefqivpvoqKCIIIVVIIICKKVKKKV  

70Voltage ControllerSubstituting (77) in (89) and (90), then(91)(92)0000d00d00000001000000100diQqpQivoqTpvoldlqodoqodoqKnKKPtQKIIVVII    000000000010000100000refdpviQpvivoldivrefqivlqratedTpvpvpvofldlqodoqodoqratedfpvpvqpvpQIKKKKKKIKKKCIIVVIICKKnKK PQ

The details of the current controller is shown as71Current ControllerwhererefrefidodnflqpcododicdVVL IKIIK (93)Fig 29. Current ControllerrefrefiqoqnfldpcoqoqicqVVL IKIIK(94), qrefrefdldldlqlqddIIIIdtdt(95)Kpc+Kic /s++-ωnLfωnLf++++--IldIlqVodVoqKpc+Kic /sIldrefIlqrefVidrefViqref

Then72Current Controller10100000d01010000drefTdldldlqodoqodoqrefqlqIIIVVIIItThe corresponding linearized small-signal state-space form is(96)(97)(99)100001000000refTpcnfidldlqodoqodoqrefnfpciqrefdpcldicrefqpciclqVKLIIVVIILKVIKKKKI 10100000d01010000drefTdldldlqodoqodoqrefqlqIIIVVIItI