CD Skripsi
Analisis Kontingensi Terhadap Keandalan Komposit Pada Sistem Riau 150 Kv
One of the major purpose from Reliability System Analyzing is to evaluate the system
ability in completing the load system requirement. The total problems of assessing the
adequacy of the generation and bulk power transmission system in regard to
providing a dependable and suitable supplied at the terminal stations can be
designated as composite system reliability evaluation. The electric power system of
Riau is an isolated system consisting of 4 generation, 12 substation, and 22
transmission lines. The calculated of reliability evaluation by using expected energy
not supplied indices at aech station in the contingency N-1. The outage of generation
unit greatly affects the EENS value in the composite system, the amount of capacity
that comes out of the system greatly affects the value of the load that can be served.
There is no EENS value when the contingency N-1 of the transmission line is due to
the ring system model and the radial system as well as the large current-carrying
capacity of the transmission line, so that when a contingency N-1 occurs the
transmission line system can still serve all load points. The results of this study show
that total the EENS value is 159163,85 MWh/year , namely at the Garuda Sakti
station, pasir Pangaraian station, Perawang station, and Pangkalan Kerinci
substation. The largest EENS value is 59133.0482 MWh / year or 1.387% of the total
energy consumption in 2019 at the Pangkalan Kerinci substation..
Keywords: composite reliability, contingency, load curtailment, EENS, ETAP 12.6.
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