Analysis of Voltage and Armature Resistance Regulation of Direct Current Motors

Hardiantono, Damis (2019) Analysis of Voltage and Armature Resistance Regulation of Direct Current Motors. Journal of Basic and Applied Scientific Research (JBASR), 9 (4). pp. 27-34. ISSN 2090-4304

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Abstract

Direct current motors or often known as DC motors (direct current motors) were widely used as or car starters, children's toys, tape recorders, and so on. A common problem in DC motors is that the regulatory variable is very limited, because it generally only depends on the input voltage, which is direct current or DC voltage. Moreover, if it is used is a DC motor with a large capacity, adding problems to the amount of initial starting current of the motor. This research aims to calculatiin the regulation characteristics of a DC motor by changing the amount of armature voltage and armature resistance of the DC motor. As a case study, DC motor parameter data from US Electrical Motors are used. The analysis method used is to create modelling of DC motor control simulation using simulink model in the Matlab (Matrix Laboratory) application. The results obtained are the starting current of the DC motor before controlling 441.5 Ampere while the nominal current is 42.4 Amperes. After controlling with the addition of external resistance, the starting current becomes 73.59 Amperes and controlling by regulating the armature voltage with the starting current was only 44.98 Amperes. For DC motor rotation speed before controlling will change along with load changes, namely: 50% increase in load causes the rotation to 1712 rpm, 75% increase in load causes the rotation to 1696 rpm while a 35% load decrease causes DC motor rotation becomes 1777 rpm. Then after controlling: 50%, 75% increase in load and 30% decrease did not change the rotation speed because the rotation steady at 1750.71 rpm.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Fakultas Teknik > Teknik Elektro
Depositing User: Damis Hardiantono
Date Deposited: 05 Dec 2019 08:40
Last Modified: 05 Dec 2019 08:40
URI: http://eprints.unmus.ac.id/id/eprint/523

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