High-voltage dc (HVDC) transmission offers several advantages over alternating current for long-distance power transmission and asynchronous interconnection between two ac…

Distribution systems are designed to maintain service voltages within specified limits during normal and emergency conditions. Typical voltage limits are:…

The circuit breaker scheme used at a substation provides for varying degrees of reliability and maintainability on both the input…

Specialized hardware is necessary to interconnect the elements of a power-distribution system. Utility control and switching systems operate under demanding…

The effective resistance offered by a conductor to high frequencies is considerably greater than the ohmic resistance measured with direct…

The connection of several generating stations in parallel is known as interconnected grid system. The various problems facing the power…

Mechanical factors of safety to be used in transmission line design should depend to some extent on the importance of…

The electric power system in general is 3-phase a.c. operating at a frequency of 50 Hz. The power station delivers…

A device which taps electrical energy from the electric power system is called a load on the system. The load…

There are perhaps four distinct categories of wind power which should be discussed. These are 1. small, non-grid connected2. small,…