Constant Voltage Transformer (CVT) - Construction and Working Principle: With the popularization of PCs, the constant voltage transformers (CVTs) have also become equally popular. The Constant Voltage Transformer is simply…
Measurement of Electrical Quantities: Measurement of electrical quantities which includes Measurement of Voltage Measurement of Current Frequency Measurement Phase-Angle Measurement Power-Factor Measurement Impedance Measurement VA Measurement Power Measurement VAR Measurement…
Sinusoidal Response of RLC Circuit: Consider a Sinusoidal Response of RLC Circuit consisting of resistance, inductance and capacitance in series as shown in Fig. 12.20. Switch S is closed at…
Sinusoidal Response of RL Circuit: Consider a Sinusoidal Response of RL Circuit consisting of resistance and inductance as shown in Fig. 12.16. The switch, S, is closed at t =…
Pole Zero Plot: Pole Zero Plot - The variable s is a complex variable. Hence a complex plane is required to indicate the values of s graphically. A complex plane…
Basic Components of Static Relays Articles Semiconductor Diodes in Static Relays: The pn junction has rectifying characteristics as shown in Fig. (10.1). If a source of emf is connected to…
Zero Crossing Detector Circuit: Zero Crossing Detector Circuit basically involves the sine to square wave conversion by a level detector circuit followed by a pulse circuit, which consists of one…
Motor Protection: Motor Protection - There is a wide range of motors in existence for various purposes. However, the fundamental problems affecting the choice of protection are independent of the…