ANALISA EFISIENSI JARINGAN PADA SISTEM DISTRIBUSI PRIMER 20 KV DI GARDU INDUK TALANG KELAPA PT. PLN (PERSERO) TRAGI BORANG

Analysis of the efficiency of the distribution of electrical power distribution network is done in order to determine what percentage of the distribution of electrical power to the consumer. In the system of distribution of electricity from the power plant to be accepted by consumers would have suffered losses in voltage and power loss. The cause of the loss of voltage and power losses are partly due to the length of the electrical energy distribution system itself, the size of the diameter of the wire conductor is used, the type or types of wires used and the size of the resistivity of the conductive wire. When the distribution of electrical power system already contained a lot of voltage drop and power losses, so the efficiency of the distribution network is not 100% pure distributed. This final report investigates the magnitude of voltage drop, power losses and efficiency of power distribution networks. The calculation is performed through a case study on 20 kV of primary electrical power distribution network in some feeders at PT.PLN (Persero) Talang Kelapa substation. The calculations show the largest of voltage drop produce by Sadewa feeder by 20,27% with the highest active power losses at 76,2342 kW, thus cause the efficiency of the distribution become low by 94,2381% Keywords: distribution system, voltage drop, power losses, efficienc