Power Transformer
Power transformers convert power-level voltages from one level or phase configuration to another. They can include features for electrical isolation,…
power system
Overhead Versus Underground System:
Overhead Versus Underground System: The distribution system can be overhead or underground. Overhead lines are generally mounted on wooden, concrete …
Power Substation and its Classification.
Power Substation Sub-Station: The assembly of apparatus used to change some characteristic (e.g. voltage, a.c. to d.c., frequency, p.f. etc.) of e…
Power generation Numerical -Electrical Engineering (MCQ) questions and answers
1. The maximum demand on the substation is 25MW. If the load factor is 60%, and the plant capacity factor is 50%, Calculate the r…
Tariff Numerical-Electrical Engineering (MCQ) questions and answers
1. The following two tariffs are offered : (a) Rs 100 plus 15 paise per unit ; (b) A flat rate of 30 paise per unit ;…
Electrical Heating -- Electrical Engineering (MCQ) questions and answers
1.Which of the following is an advantage of heating by electricity? A. Quicker operation B. Highe…