Jakarta International Stadium is a multi-function stadium which has a building area of 222,940 m2 consisting of nine floors and can accommodate 82,000 spectators. In this study, the optimization level of the power flow (load flow) with the Newton Raphson method will be seen and calculate the short circuit current referring to the IEC International Electrotechnical Commission (IEC) standard, namely IEC 60909.1 to IEC 60909.4 standards. Optimization is done by adding a 300 kVAR Capacitor Bank and tapping a 2% transformer on the west side panel and adding a 480kVAR capacitor bank and 2.5% tapping transformer on the east side panel. The optimization results resulted in a decrease in current at a voltage of 20 kV from 193.9 Ampere to 173.3 Ampere or a decrease of 20.6 Ampere, this decrease reached 10.62%.

Topics
Transformer, Short circuit, High voltage technology, Newton Raphson method
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