Akhir-akhir ini pemerintah memberikan petunjuk arah bagi masyarakat untuk bijak menggunakan energi listrik yang disupply oleh Perusahan Listrik Negara (PLN). Hal itu karena pertumbuhan pelanggan listrik lebih cepat dibandingkan dengan pembangunan pembangkit listrik tenaga listrik di indonesia . Namun untuk menerapkan penggunaan energi listrik pada Kilowatt jam ( kWh ) rumah dengan angka yang sulit berhubungan dengan orang awam dan keterbatasa tersebut maka kami akan membuat sebuah prototipe “smart meter dan pengontrolan penggunaan energi listrik berdasakan smart relay dengan komunikasi Ethernet dan wireless”. Dengan menggunakan data arus dan tegangan yang di olah menggunakan fungsi matematika untuk mendapatkan satuan daya listrik. Dibandingkan dengan menggunakan mikro controller sekelas arduino ketahanan dan kontinuitas smart relay yang lebih terjamin, Keunggulan prototipe ini mudah diterapkan karena dalam bentuk angka, menampilkan penggunaan energi listrik dan dapat mengendalikan (on / off) peralatan listrik yang dapat diakses dari layar smart relay dan komputer pribadi dengan komunikasi ethernet dan nirkabel. Pada alat smart meter ini tidak mempertimbangkan phi, perhitungan perhitungan perkalian antara data hasil tegangan dan arus listrik beban .
This paper proposed a Hybrid PI-Fuzzy based Static Var Compensator for minimizing voltage deviations as the integration of wind power generation to the distribution network. Hybrid PI-Fuzzy Logic controller constructed by the cascade-connected conventional PI controller and Fuzzy Logic controller. This algorithm combined the advantages and minimized the disadvantages of each conventional controller. The control method applied to the Static Var Compensator, which functioned as a dynamic reactive power source. The controlled dynamic reactive power source influenced the system with proper reactive power value, which resulted in the voltage regulation. Two scenarios were carried out to investigate the efficacy of the proposed method. The first scenario demonstrates the performance of the proposed system in wind speed variations and the second scenario in load variation conditions. Finally, the comparisons with Fuzzy Logic Controller-based self-tuning PI control were made to investigate the performance of the proposed control method. Simulation results verified that the proposed control algorithm outperformed the FLCbased self-tuning PI controller, in terms of the steady-state voltage deviation minimization by 1.47% and the settling time of the voltage respond decrement by 92.78%.
Abstrak— Koordinasi sistem pengaman sangat diperlukan dalam mengatasi gangguan yang terjadi pada sistem tenaga listrik, sehingga gangguan-gangguan yang terjadi dapat diatasi dari sistem yang sedang berjalan. Begitu juga dengan keamanan pada sistem kelistrikan pada Kapal Bulk Carrier 50.000 DWT (Dead weight Ton) dibutuhkan koordinasi sistem pengamanan yang tepat. Dengan mengaplikasikan prinsip koordinasi relay, maka urutan kerja peralatan pengaman sepanjang saluran dari sumber sampai pada beban harus diperhatikan. Koordinasi relay ini mencakup dari main switch board power supply sampai distribusi panel (pembebanan) dan perhitungan yang di ambil mulai dari kabel, relay, kapasitas relay, dan pembebanan dimulai dari main switch board sampai ke beban. Setelah dilakukan perhitungan yang tepat selanjutnya peneliti menggunakan metode Genetic Algorithm untuk mengoptimalkan koordinasi relay arus lebih tersebut. Dengan metode Genetic Algorithm didapatkan nilai setting TMS (Time Multiplier Setting) pada relay 1 = 0,9 s, T = 1,76 s, Ip = 162,14 A, I set Pickup = 0,23 A, I set Definite = 1,1 A, pada relay 2 Tms = 1,1 s, T = 1,69 s, Ip = 130,57 A, I set Pickup = 2,9 A, I set Definite = 16,86 A, pada relay 3 Tms = 0,31 s, T = 0,39 s, Ip = 109,25 A, I set Pickup = 2,42 A, I set Definite = 16,61 A. Adapun software yang digunakan adalah Matlab (R2009b) dan ETAP 12. Dengan menambahkan metode tersebut pada penelitian ini, diharapkan koordinasi relay arus lebih akan menjadi lebih optimal.Kata kunci: relay arus lebih, Genetic Algorithm, koordinasi relayAbstract— Security system coordination is very important to solve any trouble in electrical power system, That’s trouble can be solved from the system have been working, So That’s why to security electrical power system in Bulk Carrier ship with 50.000 Dead Weight Ton must be requiring a good coordination security system appropriate. By applying principle relay coordination, so the work step which of security equipment channels from the source until electrical load must be controlled. The relay Coordination is include from main switch board power supply until distribution panel and It’s need calculation from wire, relay, relay capacity, and the loading have took from main switch board until load. Researcher will be using genetic algorithm method after all Calculation has been done which for optimization overcurrent relay coordination. By using Genetic Algorithm method be obtained value of TMS (Time multiplier Setting) in relay 1= 0,9 s, T = 1,76 s, Ip = 162,14 A, I set Pickup = 0,23 A, I set Definite = 1,1 A, and in the Relay 2 Tms = 1,1 s, T = 1,69 s, Ip = 130,57 A, I set Pickup = 2,9 A, I set Definite = 16,86 A, in relay 3 Tms = 0,31 s, T = 0,39 s, Ip = 109,25 A, I set Pickup = 2,42 A, I set Definite = 16,61 A. The software will be used in this research is Mathlab R2009B software and Electrical Transient Analyzer Program. By using that’s method it might the relay coordination will be optimal.Keywords: Overcurrent Relay, Genetic Algorithm (GA), Relay Coordination
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