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…
Three Wattmeter and Two Wattmeter Method: In this method, the three wattmeter are connected in the three lines as shown in Fig. 9.45, i.e. the current coils of the three…
Application of Relay Articles: Comparator Equation in Power System Protection: Taking a very general case to cover the complete range of conventional relay characteristics, let S1 and S2 be the…
Performance of Circuit Breaker System Requirements: Analysis of circuit interruption and the foregoing discussion of various circuit breakers apply to circuit breakers in practice if they had ideal switching characteristics.…
Air Break Circuit Breaker: The arc interruption process of Air Break Circuit Breaker is based on the natural deionization of gases by a cooling action. The arc is resilient and…
Duties of circuit breaker diagram: Under different circumstances Duties of circuit breaker diagram may be subjected to widely varying stresses. First of all the current varies from a few amperes…
Interaction of Circuit Breaker: The circuit breaker performance can well be seen from the interaction between the breaker and the circuit. It is convenient to regard the short-circuit current i…
Recovery Voltage: Recovery Voltage - While closing or opening the circuit breaker, the circuit constants play an important role. It was noticed in practice a circuit breaker that would operate…