• Mohit Kumar Jain

The speed of any engine must be increased from zero to the operating speed, which is referred to as an engine launch. The speed of the CT motors may be adjusted by changing the voltage or shifting the power in the winding across a wide range. DC motors were originally supplied by the established direct current power supply system, making them the first motors to be widely utilized. A DC engine is a self-starting engine, although it requires some external assistance to start. The study of various types of DC engines and the need for a DC engine external starter is the subject of this paper. Most DC engines need an external starter for their intended usage, and these starters can only be switched off for the first 5 to 6 seconds, according to this research. The starter offers a safe zero to rated voltage start-up voltage. The starting current is likewise restricted by a safe value before the DC engine achieves speed and torque. To guarantee that DC engines start smoothly, without jerks, and in a regulated way, the same procedure should be followed during engine shutdown.

DC Motors, Speed Regulation, Armature, Field winding.

"The Overview of Direct Current Motor and their Types", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 3, page no.124-128, March-2019, Available :http://www.jetir.org/papers/JETIRFJ06027.pdf

"The Overview of Direct Current Motor and their Types", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 3, page no. pp124-128, March-2019, Available at : http://www.jetir.org/papers/JETIRFJ06027.pdf