Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…
What is Metadyne Control? - Construction, Working and Applications: The metadyne control system is based on constant current system of speed control. In resistance control or series- parallel control a…
Starting and Speed Control of DC Traction Motors: Starting and Speed Control of DC Traction Motors - As already discussed, only series and compound dc motors are suitable for traction…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 10: 452. .......... is a process that is generally used in winter air-conditioning. (a) Humidification (b) Dehumidification (c) Heating and…
Power Supply for Electric Traction Interview Questions and Answers: 1. What is the arrangement of power supply on Kanpur-Tundla section ? Ans. 132 kV supply is taken at one point…
Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of…
Microprocessors Interview Questions and Answers: 1. What is a Microprocessor? Ans. Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. 2. What is microcontroller?…
Microprocessor Controlled Bridge: Microprocessor Controlled Bridge - Digital computers have been used in conjunction with test systems, bridges, and process controllers for several years. In these applications, computers were used…
