@thesis{thesis, author={Pasra Nurmiati and Tobing Willy Pranata L}, title ={PENGARUH KORONA TERHADAP RUGI-RUGI DAYA DAN ENERGI TAK TERJUAL PADA KUBIKEL PENYULANG 20 KV DI GIS DANAYSA DAN GIS TAMARA}, year={2022}, url={http://156.67.221.169/5269/}, abstract={In the electric power distribution system, disturbances often occur, namely the corona in the cubicle which can reduce the reliability of the electrical energy distribution system. Corona occurs due to the influence of temperature and humidity which causes the air around the conductor to be exposed to corona. This corona disturbance can cause unsold power and energy losses, where there are three feeders used as samples, namely the Portugal feeder, the Bidakara feeder and the Email feeder. With the data of humidity and temperature parameters, it can be calculated the corona emergence voltage/critical disruptive voltage, when the disruptive voltage gets smaller, the power losses generated will be even greater. From the three feeders that became the object of the study, the results of the power losses on the Portugal feeder were 94,6008 kW, the Bidakara feeder 94,0086 kW and the Email feeder of 88,8313 kW and the value of unsold energy for the Portuguese feeder was 2270,42 kWh in rupiah. of Rp. 3,280,075,774, Bidakara feeder of 2160.20 kWh with rupiah of Rp.3,120,840.94 and Email feeder of 2131.95 with rupiah of Rp.3,080,028.16. Corona can be treated by carrying out maintenance, by cleaning the affected area using a cleaning paste and sand paper, removing the sharp parts using sand paper and cleaning the cubicle of dust particles with a cloth. The power losses caused by the corona are directly proportional to the unsold energy.} }