Diode Series Clipper Circuit: The function of a Diode Series Clipper Circuit (or limiter) is to clip off an unwanted portion of a waveform. This is sometimes necessary to protect…
Induction Motor Drives Articles: Three Phase Induction Motors: Three Phase Induction Motors are of two types: squirrel-case and wound-rotor. In squirrel-cage, the rotor consists of longitudinal conductor-bars shorted by circular…
DC Motor Drives Articles: Types of DC Motor: The commonly used Types of DC Motor are shown in Fig. 5.1. In a separately excited motor, the field and armature voltages…
Interlocking Components in Electrical Drives: Sensing of signals required for speed and current control loops. Sequencing and interlocking operations are explained in the previous section, whereas this section discusses components…
Measures for Energy Conservation in Electrical Drives: Following Measures for Energy Conservation in Electrical Drives: Use of efficient semiconductor converters. Use of efficient motors. Use of variable speed drives. Energy…
Energy Losses in Electrical Drive System: Energy conservation in electrical drive is achieved by reduction of losses in its various parts. Typical Energy Losses in Electrical Drive System include the…
Diesel Electric Traction System: Because of high initial cost, electric traction is justified only where there is sufficient volume of traffic. Diesel Electric Traction System is preferable where the traffic…
PWM VSI Squirrel Cage Induction Motor Drive: The PWM VSI Squirrel Cage Induction Motor Drive is shown in Fig. 10:24. dc link is supplied from ac source through a transformer…