Insulators for an overhead power line (OHL), in many substation applications and on the overhead electrification systems of railways, must,…

There are several types of insulators but the most commonly used are pin type, suspension type, strain insulator and shackle…

The various electrical instruments may, in a very broad sense, be divided into (i) Absolute Instruments (ii) Secondary Instruments. Absolute…

BATTERIES FOR AIRCRAFT The on-board power requirements in aircraft have undergone many changes during the last three or four decades.…

A hybrid cell may be defined as a galvanic electro-technical generator in which one of the active reagents is in…

A battery charger is an electrical device that is used for putting energy into a battery. The battery charger changes…

The following important points should be kept in mind for keeping the battery in good condition: 1. Discharging should not…

Since active material on a Plante plate consists of a thin layer of PbO2 formed on and from the surface of the lead…

Usually, the problem of Faure type grid is relatively simple as compared to the Plante type. In the case of…

The secondary cell possesses internal resistance due to which some voltage is lost in the form of potential drop across…