Temperature Effect on Semiconductor Diode: Diode Power Dissipation - The power dissipation in a diode is simply calculated as the device terminal voltage multiplied by the current level. Device manufacturers…
DC Load Line Analysis of Semiconductor Diode: Figure 2-13(a) shows a DC Load Line Analysis of Semiconductor Diode in series with a 100 Ω resistance (R1) and a supply voltage (E).…
Diode Approximations: Diode Approximations - As we know already that, a diode is essentially a one-way device, offering a low resistance when forward biased, and a high resistance when biased…
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…
Use of Efficient Semiconductor Converters: Prior to development of Use of Efficient Semiconductor Converters, inefficient power modulators were employed in several applications. While replacement of these power modulators by the…
Semiconductor Converter Controlled Drives: These are now widely used both in ac and dc tractions involving dc and ac motors, and the conventional drives have all become outdated, and will…