期刊
ELECTRONICS
卷 10, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/electronics10020172
关键词
DG placement; evolutionary algorithms; energy management; fuzzy controller
This study uses a Genetic Algorithm to address the proper placement of new DGs in a distribution system and designs energy management models based on a fuzzy inference system, analyzing them in a simulated environment. The research concludes that the optimal placement for a 3.33 MVA synchronous DG is near the load center, and the proposed EMS effectively mitigates various contingencies within approximately 2.5 cycles of operation.
With the rising load demand and power losses, the equipment in the utility network often operates close to its marginal limits, creating a dire need for the installation of new Distributed Generators (DGs). Their proper placement is one of the prerequisites for fully achieving the benefits; otherwise, this may result in the worsening of their performance. This could even lead to further deterioration if an effective Energy Management System (EMS) is not installed. Firstly, addressing these issues, this research exploits a Genetic Algorithm (GA) for the proper placement of new DGs in a distribution system. This approach is based on the system losses, voltage profiles, and phase angle jump variations. Secondly, the energy management models are designed using a fuzzy inference system. The models are then analyzed under heavy loading and fault conditions. This research is conducted on a six bus radial test system in a simulated environment together with a real-time Power Hardware-In-the-Loop (PHIL) setup. It is concluded that the optimal placement of a 3.33 MVA synchronous DG is near the load center, and the robustness of the proposed EMS is proven by mitigating the distinct contingencies within the approximately 2.5 cycles of the operating period.
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