Panji Alfalah Thorif, NIM 132022047 (2026) SISTEM PROTEKSI MOTOR INDUKSI 3 FASA MENGGUNAKAN THERMAL OVERLOAD RELAY (TOR) PADA FILLING SHED PT INTEGRATED TERMINAL PALEMBANG. Skripsi thesis, Universitas Muhammadiyah Palembang.

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Abstract

ABSTRAK Motor induksi tiga fasa merupakan salah satu peralatan listrik yang banyak digunakan pada lingkungan industri karena memiliki konstruksi yang sederhana, kuat, dan mampu bekerja secara kontinu. Dalam pengoperasiannya, motor dapat mengalami kondisi beban lebih (overload) yang dapat menyebabkan peningkatan arus dan temperatur sehingga berpotensi mengganggu kinerja serta memperpendek umur motor. Oleh karena itu, diperlukan sistem proteksi yang mampu melindungi motor dari kondisi tersebut. Salah satu perangkat proteksi yang digunakan adalah Thermal Overload Relay (TOR). Penelitian ini bertujuan untuk menganalisis kondisi pembebanan motor induksi tiga fasa dan mengevaluasi penggunaan Thermal Overload Relay sebagai sistem proteksi pada Filling Shed PT Integrated Terminal Palembang. Metode penelitian dilakukan melalui observasi lapangan, pengumpulan data nameplate motor, data setting TOR, serta pengukuran parameter operasi berupa arus, tegangan, dan temperatur motor selama 30 hari. Data yang diperoleh kemudian dianalisis menggunakan persamaan pembebanan berdasarkan daya, arus nominal, dan setting TOR. Hasil penelitian menunjukkan bahwa penyimpangan tegangan sebesar 0,00007%, pembebanan motor berdasarkan daya sebesar 113,72%, pembebanan berdasarkan arus nominal sebesar 100,02%, dan pembebanan terhadap setting TOR sebesar 101,28%. Hasil tersebut menunjukkan bahwa tegangan suplai berada dalam kondisi stabil, sedangkan arus motor berada sangat dekat dengan nilai nominalnya. Nilai pembebanan terhadap setting TOR menunjukkan bahwa arus aktual sedikit melebihi nilai pengaturan TOR. Berdasarkan hasil analisis, Thermal Overload Relay berperan sebagai sistem proteksi terhadap kondisi beban lebih pada motor induksi tiga fasa dan perlu disesuaikan dengan karakteristik serta kondisi operasi motor. ABSTRACT Three-phase induction motors are widely used in industrial applications because of their simple and robust construction and their ability to operate continuously. During operation, an induction motor may experience an overload condition that can increase the motor current and temperature, potentially affecting its performance and reducing its service life. Therefore, an appropriate protection system is required to protect the motor against such conditions. One of the protection devices commonly used is the Thermal Overload Relay (TOR). This study aims to analyze the loading condition of a three-phase induction motor and evaluate the application of the Thermal Overload Relay as a motor protection system at the Filling Shed of PT Integrated Terminal Palembang. The research method was conducted through field observation, collection of motor nameplate data, TOR setting data, and measurement of operating parameters, including current, voltage, and motor temperature for 30 days. The collected data were then analyzed using motor loading equations based on power, nominal current, and TOR setting. The results showed a voltage deviation of 0.00007%, motor loading based on power of 113.72%, motor loading based on nominal current of 100.02%, and loading relative to the TOR setting of 101.28%. These results indicate that the supply voltage was stable, while the motor current remained very close to its nominal value. The loading relative to the TOR setting indicates that the actual motor current was slightly higher than the TOR setting. Based on the analysis, the Thermal Overload Relay functions as a protection system against overload conditions in the three-phase induction motor and should be adjusted according to the motor characteristics and operating conditions.

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Kata kunci: Motor Induksi Tiga Fasa, Thermal Overload Relay, Pembebanan Motor, Sistem Proteksi, Filling Shed. Keywords: Three-Phase Induction Motor, Thermal Overload Relay, Motor Loading, Protection System, Filling Shed.
Subjects:	Elektro > Teknik Listrik
Divisions:	Fakultas Teknik > Teknik Elektro (S1)
Depositing User:	Mahasiswa Fakultas Teknik
Date Deposited:	14 Sep 2026 06:53
Last Modified:	14 Sep 2026 06:53
URI:	http://repository.um-palembang.ac.id/id/eprint/37447

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