How to locate Cable fault
Cable fault locate technique Without cable fault indicators the utility must rely on more manual techniques for finding the location […]
Transmission Line
Transmission Line
Transmission Line
Auto Reclose Protection in EHV Transmission Line
Auto-reclosing on EHV Transmission Networks The most important consideration in the application of auto-reclose to EHV transmission lines is the
Transmission Line
What is Power Swing. Their effect on distance relay and detection method
What is Power Swing? Power Swing which is basically caused by the large disturbances in the power system which if
Transmission Line
Zone Protection setting of Transmission Line
Zone protection Generally zones Z1, Z2, Z3 are taken as forward direction and Z4 is taken as reverse direction with
Transmission Line
What is Distance Protection in Transmission line
What is Distance Protection? A distance protection element measures the quotient impedance (V/I), considering the phase angle between the voltage
Transmission Line
XLPE cable: Construction, Voltage rating, Advantage
Introduction Cross linked polyethylene (XLPE) insulated single core and multicore cables are manufactured with colours of cores red, yellow, blue
Transmission Line
Underground Cable: Their types, Rating, insulation material, advantages
Introduction Since the loads having the trends towards growing density. This requires the better appearance, rugged construction, greater service reliability
Transmission Line
Underground Cable laying Standard Method
Method of Underground Cable laying Laying Underground Cables can be done by the 3 methods namely: Direct Laying Draw in
Transmission Line
Types of Faults and analysis in Power system
Fault in Power system A fault in a power system or circuit is a failure which interferes with the normal
Transmission Line
HVDC Transmission: Types of HVDC link and components
Introduction Electric power transmission was originally developed with direct current. The availability of transformers and the development and improvement of
Transmission Line
Different types of Protection on Transmission line
Types of Protection on Transmission line Line protection is achieved by following protection system: Distance Protection Over current and Earth
Transmission Line
Earth fault Relay protection in Power Transmission Line
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
Transmission Line
Plug setting (PSM) and Time setting multiplier in Overcurrent protection of Transmission line
Overcurrent relay operates when load current exceeds pre-set value i.e. pick up value. Transmission lines, distribution lines, large power equipment
Transmission Line
Directional overcurrent relay protection in Power system
A radial feeder fed from one end protected by overcurrent relay, fails to maintain uninterrupted supply when circuit breaker near
Transmission Line
What is Directional or reverse power relay and their working and application
Definition Directional feature is realized by comparing the direction of flow of line current with reference to the bus voltage
Transmission Line
Over current protective schemes in Power Transmission/Distribution system
Introduction Power Transmission/Distribution system i.e. radial feeders uses overcurrent protection scheme. Feeder is divided in two or more section and
Transmission Line
What is Corona effect in transmission line
What is corona ? At higher voltages, the localized high electric fields ionize the air surrounding the surface of the
What is the Electrical Power transmission?
Definition of Electrical Power transmission Electric power transmission is one process in the transmitting of electricity to consumers. The term