@thesis{thesis, author={Koerniawan Tony and Situmeang Wira Sonyia}, title ={Kajian Penggunaan CBO (Circuit Breaker Outgoing) di Tengah Penyulang Volume di PLN UP3 Pondok Kopi .}, year={2019}, url={http://156.67.221.169/1639/}, abstract={Blackout is a disadvantage both for the customer and PT PLN (Persero) itself. CBO (circuit Breaker Outgoing) serves as a breaker of disruption load when the current short circuited where when a disturbance then relay on CBO will send a signal to the breakers to power trip. in the electricity transmission system and losses on the part of consumers of electrical energy. IN PT.PLN (Persero) UP3 Pondok Kopi can be seen the impact of the use vircuit breaker in Volume feeders.Using circuit breaker to lessen thr area of the extingguishing. This can be ssen from the result of energy not supplied in Volume feeders. In the resulting in interference before using circuit breaker shut down one feeders consisting of fifteen substation. The results of energy not supplied before using CBO is 18331,395 kWH. While at the time of disorder after using circuit breaker resulting in exttinguished 8 substastion than 15 substation on Volume feeders. The result of reckoning ENS at the time of these disorders is 5546,864 kWH. Based on the calculation on before and after use CBO it can be seen the inefficiency of the CBO in reducing energy not supplied} }