Introduction Since the loads having the trends towards growing density. This requires the better appearance, rugged construction, greater service reliability […]
Method of Underground Cable laying Laying Underground Cables can be done by the 3 methods namely: Direct Laying Draw in
Fault in Power system A fault in a power system or circuit is a failure which interferes with the normal
Introduction Electric power transmission was originally developed with direct current. The availability of transformers and the development and improvement of
Types of Protection on Transmission line Line protection is achieved by following protection system: Distance Protection Over current and Earth
Definition of Earth fault relay Earth fault relay is used to sense ground or earth-faults i.e. L-G faults and L-L-G
Overcurrent relay operates when load current exceeds pre-set value i.e. pick up value. Transmission lines, distribution lines, large power equipment
A radial feeder fed from one end protected by overcurrent relay, fails to maintain uninterrupted supply when circuit breaker near
Definition Directional feature is realized by comparing the direction of flow of line current with reference to the bus voltage
Introduction Power Transmission/Distribution system i.e. radial feeders uses overcurrent protection scheme. Feeder is divided in two or more section and
What is corona ? At higher voltages, the localized high electric fields ionize the air surrounding the surface of the
Definition of Electrical Power transmission Electric power transmission is one process in the transmitting of electricity to consumers. The term
