Document Type : Research article
Authors
1 Bakhtar Regional Company, Arak, Iran
2 Department of Education and Training of Isfahan province, Management of District 4, Isfahan, 8145813331, Iran
3 Department of Electrical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
4 Research Institute of Renewable Energy, Arak University, Arak 38156-8-8349, Iran
Abstract
The dominant measures taken in distribution networks to solve the problem of voltage instability include feeder reconfiguration techniques, allocation of capacitor banks, use of tap changers, etc. However, these traditional methods suffer from numerous problems. Many studies have been carried out to solve these problems in recent years. Compared with traditional methods, reactive power control (RPC) of photovoltaic (PV) inverters does not require additional investment, and given that PV inverters often function at a capacity below their rated value, the excess capacity can be utilized to assist in supplying reactive power to the grid. However, achieving voltage regulation in imbalanced distribution networks via RPC is a complex issue. Hence, the primary objective of this work is to utilize the reactive power capacity of photovoltaic inverters to achieve decentralized regulation of effective voltage of the network using a consensus algorithm and PID controller in two stages.
Highlights
- Utilization of the centralized consensus algorithm for precise correction of the network voltage
- Simultaneous correction of angle and voltage imbalance
- Implementation of the proposed method on a standard IEEE network
- Presenting a comprehensive model for the objective function considering the technical parameters of the network
Keywords
- Distributed generation sources
- Consensus algorithm
- Unbalanced four-wire distribution network
- PID voltage control
Main Subjects
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