The V-I characteristics of the silicon diode and germanium diode. The icon used to represent the diode is drawn in…

There are many bad effects of harmonics on the power system components. These bad effects can derated the power system…

There are several striking features of power electronics, the foremost among them being the extensive use of inductors and capacitors.…

Rectifiers can be classified as uncontrolled and controlled rectifiers, and the controlled rectifiers can be further divided into semi-controlled and…

Whenever faults occur in power system large currents flow. Especially, if the fault is a dead short circuit at the…

Knowledge of short circuit current values is necessary for the following reasons. 1. Fault currents which are several times larger…

In the analysis of symmetrical three-phase short circuits the following assumptions are generally made. 1. Transformers are represented by their…

PER UNIT SYSTEM The per-unit system expressed the voltages, currents, powers, impedances, and other electrical quantities basis by the equation:…

LOAD BUS A bus where there is only load connected and no generation exists is called a load bus. At…

Power flow studies are performed to determine voltages, active and reactive power etc. at various points in the network for…