3 Phase-controlled DC motor drives
3 Phase-controlled DC motor drives
3 Phase-controlled DC motor drives
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• The normalized electromagnetic torqueTenTenT=T=averT=KΦ[1.35VavfrIarf{1.35V cosα − KΦKΦI R• Positive and <strong>motor</strong>ing torque is producedwhencosα >enKΦ=cosα − ΦRanΦfnω1.35Vmnnfnωmnfr]Φfnar,ap.u.fωmav}[1.35V cosα − KΦ=I Rarafωmav]Φfn