scholarly journals Fuzzy Controller Based Reserve Management in Hybrid Microgrid for Frequency Regulation

2019 ◽  
Vol 9 (1) ◽  
pp. 652-663
Keyword(s):  
Fuzzy Controller ◽  
Power Sharing ◽  
Frequency Regulation ◽  
Solar Photovoltaic ◽  
Diesel Generator ◽  
Power Sources ◽  
Hybrid Microgrid ◽  
Central Controller ◽  
Power Point ◽  
Power Outputs

Power quality is a growing concern with sensible and critical loads asking for stringent frequency regulations. The distributed generation sources like Solar Photovoltaic, Diesel Generator, Fuel Cells, and Battery driven Electric Vehicles (BEV) are considered as power sources in the system. For the power-sharing among these generators, a central controller with a novel simple adaptive-additive control strategy is used. Each source has a local controller to regulate the power outputs. This paper presents a Neuro-Fuzzy controller for operating Solar Photovoltaic power at a Limited Power Point while a novel Neuro-Tuned-Fuzzy Controller decides which BEVs to be connected to the microgrid by giving a priority value to each BEV. The simulation results show the coordinated operation of the central and local controllers to regulate the power outputs of the sources was effective to manage reserves and achieve frequency regulation.

scholarly journals Distributed Privacy-Preserving Active Power Sharing and Frequency Regulation in Microgrids

2021 ◽  
Author(s):  
Bo Fan ◽  
xiongfei wang
Keyword(s):  
Theoretical Analysis ◽  
Cyber Security ◽  
Active Power ◽  
Local Information ◽  
Power Sharing ◽  
Frequency Regulation ◽  
Security Issues ◽  
Privacy Threats ◽  
Regulation Method ◽  
Power Outputs

To avoid potential privacy threats and associated cyber-security issues in microgrids, this letter presents a distributed active power sharing and frequency regulation method with <i>preserved privacy</i> of local information. In the proposed approach, the transmitted data including the active power outputs and capacities are protected by adding noises to the original ones. Theoretical analysis and verification studies are performed to illustrate the advantages of the proposed method.

scholarly journals Integration of Distributed Generating Systems for Non-Linear Loads

2021 ◽  
Vol 23 (06) ◽  
pp. 1525-1545
Author(s):  
Praval Sharma ◽  
◽  
Dr. Imran ◽  
Keyword(s):  
Wind Turbine ◽  
Small Scale ◽  
Diesel Generator ◽  
Turbine Generator ◽  
Power Sources ◽  
Matlab Simulink ◽  
Wind Turbine Generator ◽  
Point Tracking ◽  
Power Point ◽  
Sustainable Power

The independent small-scale networks including sustainable power sources have been used in remote regions around the globe. Nonetheless, the irregularity of vitality sources may cause an enormous variance of the miniaturized scale framework recurrence. Because of consistently expanding vitality utilization, rising open familiarity with ecological assurance, and relentless advancement in power deregulation, distributed generation (DG) frameworks have pulled in expanded intrigue. Wind and photovoltaic (PV) power age are two of the most encouraging sustainable power source advancements. Fuel cell (FC) frameworks likewise show incredible potential in DG utilizations of things to come because of their quick innovation improvement and numerous benefits they have, for example, high effectiveness, zero or low outflow (of contamination gases), and adaptable measured structure. In proposition investigated work Integration of Distributed Generating Systems for Non-straight Loads will be proposed. A run-of-the-mill wind-PV-diesel reconciliation which comprises of diesel generator, PV framework, wind turbine generator (WTG), BESS, and burden, is utilized for the proposed models and controllers. We reenact and Integration Distributed Generating Systems for Non-straight Loads on the MATLAB/SIMULINK and portions of coordinated vitality frameworks are analyzed. The coordinated PV framework is normally controlled to work in the maximum power point tracking (MPPT) mode. The battery vitality stockpiling framework is worked inconsistent force charging or releasing mode. So as to give an incorporated vitality framework associated with lattice relying upon singular vitality necessities, the Integrated Energy Systems can be extra to a current vitality source to lessen petroleum product utilization or an independent for complete non-renewable energy source uprooting Through the broad joining of vitality foundations it is conceivable to upgrade the supportability, adaptability, steadiness, and productivity of the general vitality framework. The reproduction of incorporated vitality frameworks is done in MATLAB/SIMULINK. And all framework results will be done by Matlab reproduction is proposed for disconnected smaller scale matrices with sustainable sources. In the exhibited method, the pitch point controller is intended for wind turbine generator (WTG) framework to smooth breeze power yield. The proposed procedure is tried in a regular secluded incorporated small-scale network with both PV and wind turbine generators.

scholarly journals Distributed Privacy-Preserving Active Power Sharing and Frequency Regulation in Microgrids

2020 ◽  
Author(s):  
Bo Fan ◽  
xiongfei wang
Keyword(s):  
Theoretical Analysis ◽  
Cyber Security ◽  
Active Power ◽  
Local Information ◽  
Power Sharing ◽  
Frequency Regulation ◽  
Security Issues ◽  
Privacy Threats ◽  
Regulation Method ◽  
Power Outputs

To avoid potential privacy threats and associated cyber-security issues in microgrids, this letter presents a distributed active power sharing and frequency regulation method with <i>preserved privacy</i> of local information. In the proposed approach, the transmitted data including the active power outputs and capacities are protected by adding noises to the original ones. Theoretical analysis and verification studies are performed to illustrate the advantages of the proposed method.

scholarly journals Distributed Privacy-Preserving Active Power Sharing and Frequency Regulation in Microgrids

2020 ◽  
Author(s):  
Bo Fan ◽  
xiongfei wang
Keyword(s):  
Theoretical Analysis ◽  
Cyber Security ◽  
Active Power ◽  
Local Information ◽  
Power Sharing ◽  
Frequency Regulation ◽  
Security Issues ◽  
Privacy Threats ◽  
Regulation Method ◽  
Power Outputs

To avoid potential privacy threats and associated cyber-security issues in microgrids, this letter presents a distributed active power sharing and frequency regulation method with <i>preserved privacy</i> of local information. In the proposed approach, the transmitted data including the active power outputs and capacities are protected by adding noises to the original ones. Theoretical analysis and verification studies are performed to illustrate the advantages of the proposed method.

Development of hybrid microgrid model for frequency stabilization

2017 ◽  
Vol 41 (5) ◽  
pp. 343-352 ◽  
Author(s):  
A Jeya Veronica ◽  
N Senthil Kumar
Keyword(s):  
Power Systems ◽  
Power Plants ◽  
Fossil Fuels ◽  
Energy Sources ◽  
Frequency Regulation ◽  
Diesel Generator ◽  
Distributed Energy ◽  
Hybrid Microgrid ◽  
Battery Energy Storage Systems ◽  
Battery Energy

Power systems of today are highly complex and highly interconnected. It generates electricity by burning fossil fuels (coal, natural gas, diesel, nuclear fuel, etc.), which produces harmful gases and particles, pollutes environment, and degrades lives. To mitigate the bad impact of burning fossil fuels and meet the increase in electrical system, demand distributed energy sources employing nonconventional energy sources like wind and solar are used. Electric power generation through the nonconventional energy sources has become more viable and cheaper than the fossil fuel–based power plants. This article explores the development of a microgrid model incorporating wind turbine generators, diesel generator, fuel cells, aqua electrolyzers, and battery energy storage systems. An optimization scheme for fixing the proportional–integral controller parameters of frequency regulation is developed for different possible combinations of wind power with other distributed energy resources in the microgrid.

scholarly journals Integrated Operation of Distributed Resources to Enhance Frequency Regulation in an Isolated Microgrid Environment

2019 ◽  
Vol 8 (3) ◽  
pp. 7479-7487
Keyword(s):  
Storage System ◽  
Energy Resource ◽  
Frequency Regulation ◽  
Diesel Generator ◽  
Distributed Resources ◽  
Power Sources ◽  
Energy Demands ◽  
Integrated Operation ◽  
External Power ◽  
Frequency Changes

There is a growing concern to be self-sufficient and reduce the dependency on external power generating sources to satisfy the energy demands. Issues such as integrated operation of these power sources without having a dedicated storage system with enhanced frequency regulation is to be addressed. In this paper, the distributed generating sources like solar photovoltaic, diesel generator, fuel cells and electric vehicles are considered. Electric vehicle participation in the frequency regulation comes with constraints on state of charge of the battery and availability of the vehicle. An adaptive-additive algorithm is proposed for performing energy resource management and to maintain the frequency within the allowable band during transient and steady state system conditions. Load variation and EV-fleet availability variations are considered in the paper for understanding the system’s response to frequency changes by performing small-signal-analysis. The results show coordinated and satisfactory response of the system to maintain frequency regulation. Economic viability is also focused in the paper.

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