Power Electronics and Ac Drives |
Common terms and phrases
ac machine air gap flux block diagram bridge converter byte capacitor characteristics component conduction constant control loop copper loss counter emf current control current waves current-fed inverter curves cycloconverter dc link dc voltage device diode discussed drive system equivalent circuit feedback Figure firing angle frequency fundamental fundamental frequency gate induction motor input Intel Corporation leakage inductance line current line voltage load voltage method microcomputer mode modulation MOSFET negative operation output voltage parameters phase current phase voltage phase-controlled phasor phasor diagram power factor pulse Q₁ R₁ rectifier resistance rotor current safe operating area shown in Fig signals slip power snubber speed control stator current steady-state supply voltage switching synchronous machine synchronously rotating t₁ T₂ three-phase thyristor torque transfer function transformer transistor turn-off V₁ variable vector control voltage voltage and current voltage wave voltage-fed inverter waveforms zero