Speed Control of a DC Shunt Motor

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Akademische Arbeit aus dem Fachbereich Ingenieurwissenschaften - Maschinenbau, Asia Pacific University of Technology and Innovation, Sprache: Deutsch, Abstract: This paper looks at the speed control of DC shunt motors. A DC machine is defined as a two-port device, where one port is an electrical side and the other port is a mechanical side. The mechanical side is a rotating domain. Therefore, it contains Potential Variable Voltage on the electrical port. On the other hand, it has torque on the mechanical port, similar kinetic variables with current on the electrical port, and omega (radian per second) on the mechanical port. The flowing of energy from the electrical domain to the mechanical domain is known as the DC Motor. However, when the opposite happens, that is flowing of energy from the mechanical domain to the electrical domain, the device is called a DC Generator. To understand the principle of DC Machines, Faradays' law of magnetism should be considered, this is because the energy indeed passes through 3 domains, where the 3rd domain is a Magnetic domain (field).