Power Semiconductor DrivesThis comprehensive guide to the design of electric motor drives and speed and position control systems provides an analysis of the steady-state operation of drive systems that permit the specification of suitable converters and machines for the AC or DC system envisioned. Includes some coverage of transient operation. |
Other editions - View all
Common terms and phrases
ac source acceleration air-gap approximate armature circuit armature current chopper circuit in Fig commutation controlled rectifier converter current-source inverter curves Cycloconverter D₁ delay angle determine diode rectifier equivalent circuit Example field current field weakening freewheeling friction and windage full-load fundamental component gating signals illustrated in Fig induction motor inductor leakage inductance line-to-line load torque low speed machine magnetizing maximum motor line current motor terminal pd obtained per-phase phase phasor phasor diagram power factor pulse-width modulation Q₁ quadrant R₁ rad/s rated operation rated speed rated value ratio regenerative braking resistance rms value rotational losses rotor shown in Fig sinusoidal speed control speed range stator current steady-state supply synchronous motor system in Fig three-phase thyristors transfer function V₁ variables voltage-source inverter w₁ waveform windage losses zero π 2π Зп