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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains
Rofi Hariadi
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Engineering

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Penerapan Metode Logika Fuzzy Untuk Perlindungan Sistem Tenaga Listrik Rofi Hariadi; Azriyenni Azhari Zakri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The fault occurs in electric power systems is a critical problem that can affect system reliability. In this study, the protection of power system using the Fuzzy Relation (FR method). The FR method is designed to implement Artificial Intelligent (AI) to predict the work of protective equipment in electrical power systems, namely, state relay status and Circuit Breaker (CB) utilizing the sequence of protective equipment operating time. The logic operating time of this protective device is built on the sagittal diagram. Furthermore, there is a three-dimensional matrix also used to represent the circuit topology in the protection system. Operating time of the protective devices utilizes by the power circuit topology matrix that will be generated every CB status when operating. The test data for the system model have been run on five bus systems in Riau, which is conducted with five fault scenarios. Simulation results found are the fault of each line L1 and L2 with membership degrees of values 0.9419 and 0.9310. The application of the FR method is very suitable to be given a prediction in the protection of the electric power system because it can anticipate more faster the fault that occurs in the electric power system.Keywords: circuit breaker, Fuzzy Relation, protection system, relay, sagittal diagram
Analisis Kinerja Proteksi Petir Pada Saluran Transmisi Tenaga Listrik Menggunakan Pemrograman Python Rofi Hariadi; Fri Murdiya
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

One of main causes of interruption of electrical power supply is the lightning strike on overhead power transmission lines. The lightning performance of transmission line can be determined by value of shielding failure flashover rate (SFFOR) and back flashover rate (BFOR). The object of this study is to create a computer application to compute lightning performance on the transmission lines using Python programming. Pythons package tkinter used for program interface window. Application programming is done by using the concept of Object Oriented Programming (OOP) using Pythons keyword class. Validation shows that the application has applied the method correctly with a percentage error 0 % for SFFOR and 0,344 % for BFOR. The application can do analysis on the factors that affecting SFFOR and BFOR such as the effect of thunder day, tower foot resistance, and number of isolator disks. The results obtained in this study is computer application that can perform lightning performance analysis and analysis of factors that can affect it, such as thunder day, tower foot resistance and the number of isolator disks. Keywords: BFOR, lightning performance, OOP, overhead transmission line, Python, SFFOR, tkinter
Co-Authors Azriyenni Azhari Zakri Fri Murdiya