A Methodology Evaluation of the IEEE 33-Bus Network Losses Using ETAP 19.0

Power system installation and distribution networks are usually faced with varied power losses and fluctuations in voltage profile magnitude no matter how stable or balanced the network may be, hence the need for a continuous evaluation to check this setback that may arise in the course of power system distribution. This work seeks to carry out a methodology approach for investigating the distribution network losses as a result of unbalanced loading of the IEEE 33-Bus network. The method adopted is the Newton-Raphson method using the Electrical Transient Analyzer Program 19 (ETAP) software for the power flow analysis. The results of the load flow study showed that the system had a cumulative power losses corresponding to real and reactive power loss of 199.2 kW and 134.9 kVAR respectively. The result further showed that lines 2, 7 and 5 had the highest losses of 49.6 kW and 25.2 kvar, 36 kW and 31.3kvar followed by 18.9 kW and 9.6 kVAR respectively. The system losses obtained is quite minimal which confirms the balanced load network of IEEE 33-bus system.