ANALISA PERBANDING ARUS STARTING MOTOR INDUKSI 3 FASA DENGAN MENGGUNAKAN APLIKASI ETAP DI PT.PERTAMINA(PERSERO) REFINERY UNIT III PLAJU-SUNGAI GERONG

TOHIR, LUCKI SEPTRISMAN and Sariman, Sariman (2019) ANALISA PERBANDING ARUS STARTING MOTOR INDUKSI 3 FASA DENGAN MENGGUNAKAN APLIKASI ETAP DI PT.PERTAMINA(PERSERO) REFINERY UNIT III PLAJU-SUNGAI GERONG. Undergraduate thesis, Sriwijaya University.

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Abstract

Induction motor is a type of electrical motor which use alternating current to convert electrical energy to mechanical energy, 3 phase inductuon motor is the most common type of electrical motor for industry because of its characteristic which are cheap, simple and durable. 3 phase induction motor has a high starting current that can cause disturbance in the system if the starting current exceed the power capacity. PT. Pertamina RU III Plaju-Sungai Gerong utilized induction motor with high rated power up to 1250kW in large number, thus requires a large power supply. In order to optimize the power used on the existing MCC, the writer conducted a research using a software application ETAP to find out the effect of using a different starting method for motor 2210-JCM on MCC 34. The result of the test are follows: the current produced by motor 2210-JCM by using auto-transformer starting method is 4 times the nominal current of the motor or 459A which compared to the current produced by DOL Starting method which is 697A is a lot smaller, while the soft start starting method produced the current of 381A which is 3 times the nominal current of the motor which is exactly the limit set in the setting. Meanwhile the voltage drop caused by the starting of the motor using the auto-transformer and soft start methods are 12-14% drop and 8% drop respectively, compared to the voltage drop caused by using DOL starting method, the results shows inprovement in reducing the inrush current and the voltage drop by using above methods.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Electric Motor, Starting Motor, ETAP
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK2000-2891 Dynamoelectric machinery and auxiliaries Including generators, motors, transformers
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	Users 1038 not found.
Date Deposited:	07 Aug 2019 03:50
Last Modified:	07 Aug 2019 03:50
URI:	http://repository.unsri.ac.id/id/eprint/2598

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