Servo Type Voltage Regulator Working Principle: The main features of a servo type voltage regulator using an amplidyne is depicted in Fig. 19.8. The servo type voltage regulator system comprises of a constant voltage main…
Current Sensing of Electrical Drives: Current Sensing of Electrical Drives is required for the implementation of current limit control, inner current control loop of closed-loop speed control, closed-loop torque control of a dc drive, for…
Timing Diagram of the 8088 Microprocessor: Each bus cycle of the 8088 processor consists of four T states: T1, T2, T3 and T4. During the first clock cycle T1, ALE signal is high and A19/S6-A16/S3 are used as…
Circuit Breaker Rating: The ratings of a circuit breaker refer to the characteristic values that define the working conditions for which the circuit breaker is designed and built. Circuit breakers must be capable of carrying…
Series Connection of Coupled Inductors: Let there be two inductors connected in series, with self inductances L1 and L2 and mutual inductance of M. Two kinds of Series Connection of Coupled Inductors are possible; series…
Measurements of Thickness using Beta Gauge: Beta Gauge - A common and characteristic feature of a radioactive element is that they disintegrate spontaneously to produce fresh radioactive elements called daughter elements. This activity of parent…
Transistor as a Switch Circuit Diagram and Working: The Transistor as a Switch Circuit Diagram and Working can be explained with the help of its output characteristics. Figure 31.2 shows the output characteristics of a…
What is Surge Current? - Definition and Workings Before switching on of power supply, the filter capacitor is uncharged [Fig. 9.23]. At the instant the power supply is switched on, the uncharged capacitor behaves like…
Beat Frequency Oscillator (BFO) | Block Diagram | Working and Limitations: In this Beat Frequency Oscillator, the outputs of two RF oscillators are applied to a square law detector and the resulting difference frequency is…
Zero Reference Level in Electronics Engineering: Zero Reference Level - In order to avoid errors in the measurement of different voltages in an electronic circuit, it is imperative to select some common point, known as…
