An Improved Harmony Search Algorithm to Solve Dynamic Economic Load Dispatch Problem in Presence of FACTS Devices

Publish Year: 1396
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:

ICELE02_395

تاریخ نمایه سازی: 7 اسفند 1396

Abstract:

One of the important optimization problems in power systems operation is Dynamic Economic Load Dispatch (DELD). Economic load dispatch for a time interval of few hours is done considering the constraints related to maximum rate of change of active power generated by units and other system constraints such as prohibited operating zones and the valve effect. These constraints cause the optimization problem to be non-smooth and non-convex. An improved Harmony Search Algorithm (HSA) is presented in this paper to solve the DELD problem in the presence of Flexible AC Transmission System (FACTS) devices considering the above mentioned constraints. The FACTS devices considered in this paper are Static VAR Compensator (SVC) and Thyristor Controlled Series Compensator (TCSC). The proposed algorithm is evaluated on IEEE 30-Bus Test System. Results show high strength of the proposed method for solving the DELD problem

Keywords:

Dynamic economic load dispatch , FACTS devices , Harmony Search Algorithm , the Roulette Wheel method , power system constraints

Authors

Panteha Hashemi

Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran

Navid Eghtedarpour

School of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran