Dynamic Modeling and Operation Strategy for a Microgrid With Wind and Photovoltaic Resources

Bae, Sungwoo; Kwasinski, Alexis

doi:10.1109/tsg.2012.2198498

Cited by 170 publications

(55 citation statements)

References 28 publications

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“…However due to high order model of microgrid and its complexity, many studies are performed based on digital computer simulation software packages such as Power Systems Computer Aided Design (PSCAD)/Electromagnetic Transients including DC (EMTDC) and MATLAB/Simulink/Simpowersystem to select appropriate control parameters on a trial and error basis [78][79][80][81][82][83]. These scholarly works emphasize that simulation-based modeling approaches facilitate a powerful tool to investigate the behavior of microgrid.…”

Section: Microgrid Modeling and Dynamic Characteristicsmentioning

confidence: 99%

Overview of Technical Challenges, Available Technologies and Ongoing Developments of AC/DC Microgrids

Sabzehgar¹

2017

Development and Integration of Microgrids

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Gradual depletion of fossil fuel resources, poor energy eiciency of conventional power plants, and environmental pollution have led to a new grid architecture known as smart microgrid. The smart microgrid concept provides a promising solution that enables high penetration of distributed generation from renewable energy sources without requiring to redesign the distribution system, which results in stable operation during faults and disturbances. However, distributed generators/loads and interaction between all nodes within a microgrid will substantially increase the complexity of the power system operation, control, and communications. Many innovative techniques and technologies have been proposed to address the complexity and challenges of microgrids including power quality, power low balancing, real-time power management, voltage and frequency control, load sharing during islanding, protection, stability, reliability, eiciency, and economical operation. All key issues of the microgrids, diferent solutions, and available methods and technologies to address such issues are reviewed in this chapter. Pros and cons of each method are discussed. Furthermore, an extensive comprehensive review for researchers and scholars working on microgrid applications is provided in this chapter to help them identify the areas that need improvements and innovative solutions for increasing the eiciency of modern power distribution grid.Keywords: AC microgrid, DC microgrid, microgrid power quality, power management, microgrid modeling, power electronics, renewable energies © 2017 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. IntroductionThe smart microgrid concept was irst developed in Refs. [1,2]. The capability of integration of a large number of distributed power generation sources and high penetration of renewable sources such as photovoltaic panels, wind turbines, and fuel cells within a smart microgrid made it very atractive. In fact, management of multiple distributed power generation sources including renewable energy sources in a smart microgrid ofers many advantages such as signiicant reduction in the need for a transmission and high voltage distribution system, satisfying the growing demand of electricity, and improving energy utilization eiciency and reliability. However, interaction between all nodes within a microgrid including both conventional and renewable energy generation sources will not only increase the complexity of the power system considerably, but it will also raise challenging issues of reliability and power quality due to intermitent nature of renewable sources. Therefore, many technical challenges must yet be overcome to ensure safe, secure, reliable, optimized, eicient, and cost efective operation of the microgrid.Academic scholars and industry experts ofe...

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Section: Microgrid Modeling and Dynamic Characteristicsmentioning

confidence: 99%

Overview of Technical Challenges, Available Technologies and Ongoing Developments of AC/DC Microgrids

Sabzehgar¹

2017

Development and Integration of Microgrids

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“…This operation is enabled by controlling the machine to track the optimal power line as depicted in Figure 2. The optimal power line of a wind generator depends on the cube of wind speed as seen in [24,25] …”

Section: Integration Of Renewable Sourcesmentioning

confidence: 99%

“…Since the PMSM wind generator requires a rectifier that performs ac-dc power conversion, the power conversion efficiency of the rectifier is also considered in Equation (1). By assuming the blade angle pitch is 0 • , the maximum value of the rotor power coefficient, C p max , can be determined as [25,26] …”

Section: Integration Of Renewable Sourcesmentioning

confidence: 99%

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Design of a Sustainable and Efficient Transportation Station (SETS) Based on Renewable Sources and Efficient Electric Drives

Kim

Bae

2016

Symmetry

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Abstract:The need for reduction in power consumption for public facilities has increased after the occurrences of multiple blackout events. In an effort to enable the development of green and smart social infrastructure, this paper introduces a design for a sustainable and efficient transportation system (SETS). For this design, renewable power sources and efficient electric drives are considered to be crucial technologies. Considering the subway station as an illustrative example, a power system design that uses wind and solar energy as major power sources is studied. The adjustable speed electric drive system that uses synchronous reluctance machines for ventilation systems contributes to increasing the overall power consumption efficiency. The effectiveness of the proposed SETS system is verified through a set of various field measurement data and simulation results. While the verification results demonstrate that operation of SETS is enabled by effective integration of renewable sources and efficient ventilation systems, future research directions have also been identified.

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“…In these, solar energy seems more popularly exploited because of its advantages. The structural model of a photovoltaic (PV) system was presented in [1,2], and strategies for extracting power from PV systems at maximum power point operation were introduced in [3][4][5]. The PV system is an important module of a PV generator (PVG), acting as a primary energy source.…”

Section: Introductionmentioning

confidence: 99%

A generalized design method for multifunction converters used in a photovoltaic system

Nguyen¹,

Luo²

2016

Turk J Elec Eng & Comp Sci

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Abstract:In this paper, a general design method for multifunction converters using photovoltaic systems is proposed.With the proposed converter, the photovoltaic generator can provide flexibility, accuracy, and fast responses in both harmonic suppression and power injection modes in all cases of the grid-connected load. The controller for the proposed converter is designed based on the Lyapunov technique, along with the generalized algorithm for determining the global optimal values of the stability bounds. Therefore, the proposed converter can perform accurately and efficiently in the case of fixed system parameters as well as in the case of varying system parameters. Simulations and experimental results are presented to validate the accuracy and effectiveness of the proposed model and control strategy.

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Dynamic Modeling and Operation Strategy for a Microgrid With Wind and Photovoltaic Resources

Cited by 170 publications

References 28 publications

Overview of Technical Challenges, Available Technologies and Ongoing Developments of AC/DC Microgrids

Overview of Technical Challenges, Available Technologies and Ongoing Developments of AC/DC Microgrids

Design of a Sustainable and Efficient Transportation Station (SETS) Based on Renewable Sources and Efficient Electric Drives

A generalized design method for multifunction converters used in a photovoltaic system

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