You searched for Substation - Page 8 of 11

Auto Reclosing Scheme

Auto Reclosing Scheme: Auto Reclosing Scheme - It is well realized that the transient faults which are most frequent in occurrence do no permanent damage to the system as they…

Overcurrent Protection of Feeders

Overcurrent Protection of Feeders: Overcurrent relays offer the cheapest and the simplest protection for lines. The maximum load currents must be known to determine whether the ratio of the minimum…

Important Questions of Sub Stations

Important Questions of Sub Stations: 1. What is a sub-station ? Name the factors that should be taken care of while designing and erecting a substation. 2. Discuss the different…

Measures for Energy Conservation in Electrical Drives

Measures for Energy Conservation in Electrical Drives: Following Measures for Energy Conservation in Electrical Drives: Use of efficient semiconductor converters. Use of efficient motors. Use of variable speed drives. Energy…

Power Factor Improvement Methods

Power Factor Improvement Methods: There are many drives which operate at a low power factor. Some of Power Factor Improvement Methods are: An induction motor direct on line. ac-dc diode…

Features of Traction Drives

Features of Traction Drives: Various Features of Traction Drives are: 1. Large torque is required during start and acceleration in order to accelerate the heavy mass. 2. The motor is…

Braking System in Train

Braking System in Train: Braking System in Train has number of advantages over mechanical braking. It reduces wear and tear on rails and wheels, substantially increasing their life. It is…

Electric Traction Services

Electric Traction Services: Electric Traction Services can be broadly classified as: Electric Trains. Electric buses, trams (or tramways) and trolleys. Battery driven and solar powered vehicles. Electric Trains: Electric trains…