Voltage Control and Power Loss Reduction in an Active Distribution Network using Solid State Transformers
Journal: Sir Syed University Research journal of Engineering & Technology (SSURJ) (Vol.9, No. 2)Publication Date: 2019-06-10
Authors : Syed Faizan Ali Shah Intisar Ali Sajjad Muhammad Faisal Nadeem Khan Haroon Farooq Akhtar Rasool Farhan Qamar;
Page : 54-61
Keywords : Moth Swarm Algorithm; Power Losses; Radial Distribution Network; Reactive Power; Solid State Transformer.;
Abstract
Power losses in a distribution network accounts for a major part of energy loss in the overall system. Reduction in power losses can make the power system more energy-saving. This paper analyzes the reactive power handling capabilities of Solid-State Transformer (SST) by adopting controls on both sides of SST. Moreover, a Moth swarm algorithm is used for selecting the optimal values of phase angles and modulation coefficients of the Voltage Source Converters (VSCs) on both sides of SST. Results show the better performance of the presented reactive power management scheme with regard to voltage violation and power loss of the system. Moreover, bidirectional power flow enables flexible operation of renewable energy sources (RES). Finally, the performance of the control scheme and optimization algorithm is investigated using a modified IEEE 33-bus system using MATLAB.
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