Electrical Articles

Rectification is the process of converting the alternating voltage or current into the corresponding direct (dc) quantity. (Direct voltage or current) The input to a rectifier is ac whereas its…

General requirements of Traction motors / traction system High starting torque A traction motor must have high starting torque. For urban and sub urban lines, the acceleration (speed at starting)…

Motor used – A.C. series motor Voltage - 15 KV to 25 KV This is the voltage of overhead wire and not of motor. Motor operates at 400 V or…

Following are three types of dc machines: 1) DC generator: "Energy can be converted from one form to other form" It is rotated by prime mover and produces a dc…