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Indri Safitri, Indri
Program Studi Pendidikan Fisika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pasir Pengaraian
Religion Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Journal : Elektrika

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Analisa Koordinasi Setting Proteksi Over Current Relay (OCR) Outgoing 20 kV dan Recloser pada Trafo II 60 MVA Feeder RBG 01 di Gardu Induk 150 kV Rembang Safitri, Indri; Gunawan, Gunawan; Nugroho, Agus Adhi
Elektrika Vol. 12 No. 1 (2020): April 2020
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (753.311 KB) | DOI: 10.26623/elektrika.v12i1.2136

Abstract

According to energy observers from the Institute for Essential Services Reform (IESR) the number of electricity consumers in Indonesia has increased by an average of 6-7% annually followed by an increase in the area of its services. An increasingly broad network is directly proportional to the potential for interference with the transmission and distribution system. The 150 KV Rembang substations is part of the Java-Bali Interconnection electrical system in northern Central Java that supplies electricity to the Rembang and surrounding areas. Rembang 150 KV substation on May 24, 2019, RBG 01 feeder experienced a disturbance behind the RB1-32 recloser and it was recorded that in 2019 PMT it had been tripped 4 times. Besides, there has been a change in equipment in the form of transformer II. These problems indicate the potential for interference that is not anticipated by the protection system, namely Over Current Relay and recloser.  This study evaluates the setting of an outgoing 20 KV OCR protections and recloser on transformer II RBG 01 feeder Rembang 150 KV substation. The scenarios used are calculations with large variations of short-circuit current based on% distance, as well as the calculation of OCR and recloser settings with IEC 60255 standards. Setting currents in the protection equipment is regulated based on current conductivity (KHA) and load current on the recloser. The coordination of the protection settings resulting from this resetting will be compared to the conditions on the ground.  Existing (field) OCR outgoing feeder RBG 01 condition TMS OCR value = 0.228 seconds, Iset = 480 A, and t op = 0.3 seconds. The existing OCR recloser condition TMS OCR value = 0.120 seconds and Iset = 400 A. The results of OCR coordinating outgoing feeder RBG 01 obtained TMS OCR value = 0.135 seconds, Iset = 585 A, and t operation = 0.3 seconds. OCR recloser resetting conditions obtained TMS OCR value = 0.10 seconds, Iset = 240 A and t operation = 0.198 seconds. The resetting conditions have met the IEC 60255 standard because recloser working time is smaller than outgoing work time.
Co-Authors Abdillah, Ricky Farhan Adi, Ginanjar Sasmito Aditiaya, Aditiaya Agus Adhi Nugroho Agus Hermawan Ahmad Rowatul Irham Amin, Indah Binti Mohd Anggraeni, Zuhrotul Eka Yulis Asep Muhamad Ramdan Astuti, Mega Aziza, Dera Azizah, Najwa Bakhtiar, Arief Bashkara, Oktavian Teguh Bayu Satria Wiratama Dekawaty, Ayu Elvaretta, Clarissa Ely Rahmatika Nugrahani, Ely Rahmatika Ely Siswanto Erry Sunarya Ervan Prasetyo Fadhilah, Amirotun Faradila, Fian Arifiona Fauziani, Meilidya Gunawan Gunawan Halawa, Victorius Harianto Notopuro Hendri Susilo Hevitria Hevitria Humairah, Ira Ifkari Safitri, Heida Ika Daruwati, Ika Intan Intan Irwani, Fransiska Mareta Kevin, Sebastian Khaerunnisa, Siti Kinasih, Dewangga Sakti Satria Kresnapati, I Nyoman Bagus Aji Kukarnia, Septio Kurnianti, Dinni Kurniasi, Eka Rachma Lea Kristi Agustina Lukitasari, Lina Lukitasari, Lina Mazmuloh, Hot Meilidya Meliana, Ahila Melisa, Nessa Naufaldi, Muhammad Iqbal Ningsih, Cahaya Fitri May Oktaviani Ari Wardhaningrum Palupi, Dian Eka Roro Prabowo, Gwenny Ichsan Prasetyaningrum, Dhea Prawitasari, Dita Sukmaya Putraloka, Arvico Qurnianingsih, Ema Rachma Kurniasi, Eka Retno Handajani Rizka Rizka, Rizka Sabilillah, Maria Saprina, Wahyuni Sihombing, Andreas Pujian SOETJIPTO . Sohibun -, Sohibun Susi Wahyuning Asih, Susi Wahyuning Suwandito, Suwandito Syafa'ah, Irmi Ummah, Fithriyah Cholifatul Wardhani, Herlina Kusuma Waskito, Langgeng Agung Wijaya, Dody Ariyantho Kusma WULANDARI Wungu, Citrawati Dyah Kencono Wungu, Citrawati Dyah Kencono Yani, Pitri Zulka, Ayesie Natasha