One Line Diagram of the 4 Bus System: A power system comprises several buses which are interconnected by means of transmission lines. Power is injected into a bus from generators,…
Sphere Gap Arrester Diagram: In such a sphere gap arrester device the air gap is provided by two similar spheres—one connected to the line and another grounded. The spacing between…
Carrier Current Protection of Transmission Lines: In modern high-power electrical systems it is necessary to have quick acting protections on long transmission lines. The requirements to be met by such…
Non Linear Wave Shaping Articles: What is Clipper Circuit? – Definition and Classification: Clipper Circuit is one which controls the shape of the waveform by removing or “clipping” off an…
Star Delta Starter Working Principle and Circuit Diagram: This star delta starter method of starting of cage induction motors is based upon the principle that with 3 windings connected in star,…
Primary Resistance Starter - Operation, Wiring Diagram, Advantages and Disadvantages: This method of primary resistance starter of a polyphase cage motor is very simple and provides smooth acceleration of the…
Performance of Long Transmission Lines Interview Questions and Answers: 1. What is the range of surge impedance for an overhead transmission line ? Ans. 400-600 Ω. 2. What is the…
Op Amp IC 741 Pin Diagram and its Working: The schematic diagram and Op Amp IC 741 Pin Diagram is shown in Fig. 33.4 (a) and in Fig. 33.4 (b).…