ANALISIS PENGUJIAN TRIP CIRCUIT BREAKER (CB) PADA KUBIKEL DI PENYULANG MUNAS GIS DUKUH ATAS CELL 20 KV
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Muhammad Naufal, Al Ikhsan
Diantari, Retno Aita
Diantari, Retno Aita
Subject
Teknik Elektro
Datestamp
2022-10-27 02:20:58
Abstract :
In the electric power distribution system, protection is the most important part. Damage to the protection system will certainly cause losses to consumers or customers, such as damage to electrical equipment, long blackouts and disrupting the electricity supply process or consumer production process. Therefore, it is necessary that the quality of electricity service must be good over time to maintain the continuity of electricity distribution so that customers can be satisfied. During the distribution process of the electric power system, we often encounter disturbances, to overcome this problem, of course, a reliable protection system is needed. To protect the more important parts of the system, a protection system is used which consists of a set of protective equipment whose most important components are, such as protection relays, power breaker (PMT), current and voltage transformers, and batteries (batteries). Trip testing is a short circuit simulation test activity to trip the Circuit Breaker (CB) segment on the feeder. In this final project, we will discuss the trip Circuit Breaker (CB) test to determine the reliability of the protection system on the 20 kV feeder. The results of the Circuit Breaker (CB) trip test in the form of a delay will be compared with the calculation using the formula. At the national conference feeder, it was found that the protection system was late or did not match the settings when testing was carried out. The protection relay is set to I> = 1,5 seconds, I>> = 0,3 seconds, Io> = 1,2 seconds, and Io>> = 0,4 seconds. While the test results obtained are I> = 2,531 seconds, I>> = 0,637 seconds, Io> = 2,263 seconds, and Io>> = 0,587 seconds. In this final project, the IEEE 60255 standard is used as a reference in calculating and setting the time in order to meet the requirements of a sensitive, reliable, fast and selective protection system.
In the electric power distribution system, protection is the most important part. Damage to the protection system will certainly cause losses to consumers or customers, such as damage to electrical equipment, long blackouts and disrupting the electricity supply process or consumer production process. Therefore, it is necessary that the quality of electricity service must be good over time to maintain the continuity of electricity distribution so that customers can be satisfied. During the distribution process of the electric power system, we often encounter disturbances, to overcome this problem, of course, a reliable protection system is needed. To protect the more important parts of the system, a protection system is used which consists of a set of protective equipment whose most important components are, such as protection relays, power breaker (PMT), current and voltage transformers, and batteries (batteries). Trip testing is a short circuit simulation test activity to trip the Circuit Breaker (CB) segment on the feeder. In this final project, we will discuss the trip Circuit Breaker (CB) test to determine the reliability of the protection system on the 20 kV feeder. The results of the Circuit Breaker (CB) trip test in the form of a delay will be compared with the calculation using the formula. At the national conference feeder, it was found that the protection system was late or did not match the settings when testing was carried out. The protection relay is set to I> = 1,5 seconds, I>> = 0,3 seconds, Io> = 1,2 seconds, and Io>> = 0,4 seconds. While the test results obtained are I> = 2,531 seconds, I>> = 0,637 seconds, Io> = 2,263 seconds, and Io>> = 0,587 seconds. In this final project, the IEEE 60255 standard is used as a reference in calculating and setting the time in order to meet the requirements of a sensitive, reliable, fast and selective protection system.
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