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,…
AC Resistance and DC Resistance Relation: Though the contribution of line resistance to series line impedance can be neglected in most cases, it is the main source of line power…
Parallel Operation of Synchronous Generator: We already know that synchronous machine connected to infinite bus-bars. Parallel Operation of Synchronous Generator of two finite size will be considered, which is the…
Introduction of DC Motor: Introduction of DC Motor is constructed in many forms and for a variety of purposes, from the 3-mm stepper drawing a few μA at 1.5 V…
Electric Motor Characteristics: The machine and the load are the two components of an electro-mechanical energy-conversion system, and the Electric Motor Characteristics, generally, play a predominant part in the operating…
Tap Changing Transformer | Off Load Tap Changer |On Load Tap Changing: Tap Changing Transformer -Voltage variation in power systems is a normal phenomenon owing to the rapid growth of…
Three Winding Transformer: Three Winding Transformer may be built with a third winding, called the tertiary, in addition to the primary and secondary. Various purposes which dictate the use of…
Transformer Efficiency Formula: Power and distribution transformers are designed to operate under conditions of constant rms voltage and frequency and so the efficiency and voltage regulation are of prime importance.…