Principles of Power System Articles: This Principles of Power System Articles which includes the following topics: Electrical Energy Definition Different Types of Energy Sources Unit of Energy Energy Efficiency Definition…
Sequence Impedances of Transmission Lines: Sequence Impedances of Transmission Lines - Figure 10.9 shows the circuit of a fully transposed line carrying unbalanced currents. The return path for In is…
Modern Power System Articles: This Modern Power System Articles which includes the following topics: Introduction to Modern Power System Planning Diversity Factor in Power System Load Forecasting Techniques in Power…
What is Summation Transformer? Summation devices are employed to compare the relaying quantities derived from the currents in the three phases of the primary circuit. The effectiveness of the comparison…
Circuit Breaking Interview Questions and Answers: 1. What is a circuit breaker ? Ans. Circuit breaker is a mechanical device designed to close or open contact members, thus closing or…
Development of Airblast Circuit Breaker: The development of Airblast circuit breakers has taken place in three stages shown schematically in Fig. (15.19): Momentarily pressurized Airblast breakers with isomaker in the…
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…
Heavy Current Test Plant: Heavy Current Test Plant - Simulating the exact fault conditions as would occur in practice is a difficult and a tedious job. The plant for providing…