Publication: Voltage Profile Improvement in Unbalanced Distribution Grids by Sequential Quadratic Programming
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IEEE
Abstract
The implementation of renewable energy resources (RERs) such as photovoltaic (PV) units and wind turbines (WTs) has been intensively used on active distribution networks (ADNs) due to their significant environmental, technical, and economic benefits. However, their intermittent nature causes some fluctuations in the voltage profiles, which lead to increased losses in the system. This study presents sequential quadratic programming (SQP) optimization method to improve voltage profiles by optimizing tap changer positions and reactive power output of the inverter of a single PV unit. The proposed optimization is applied to the IEEE 34-bus unbalanced distribution test system to validate its performance. Optimum voltage profiles are compared with the base case conditions where there are no PV sources and voltage regulators. The results show that the SQP provides reliable voltage profile improvement for various operational conditions.
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2023 IEEE AFRICON
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OPEN
Keywords
Sinyal İşleme, Mühendislik, Engineering, Information Systems, Communication and Control Engineering, Bilgisayar Bilimleri, Electrical and Electronic Engineering, Engineering, Computing & Technology (ENG), tap changers, Bilgisayar Bilimi Uygulamaları, renewable energy resources, Engineering, electrical & electronic, Computer Sciences, Elektrik ve Elektronik Mühendisliği, Mühendislik, Bilişim ve Teknoloji (ENG), Computer science, Renewable energy resources, Computer Science Applications, Fizik Bilimleri, Signal Processing, Physical Sciences, voltage profiles, Engineering and Technology, Bilgisayar Bilimi, Mühendislik, elektrik ve elektronik, Mühendislik ve Teknoloji, Bilgi Sistemleri, Haberleşme ve Kontrol Mühendisliği, active distribution networks, sequential quadratic programming