Power quality refers to electricity that consistently meets the agreedupon specifications for optimal and efficient use in home electronics. Buzzwords such smart grid and distributed generation are ever present in the media. Power conditioning systems for renewables, storage, and. The smart grid includes several components that help utilities better deliver quality power to your home. Overview of power quality analysis and control technology for the smart grid an luo1, qianming xu1, fujun ma1, yandong chen1 abstract with the wide application of nonlinear loads and the largescale access of distributed energy generations. Power quality smart grid markets youll find our products and components in a wide array of applications and industries across the globe, on land, on water, and in the air. Palaciosgarcia1, enrique rodriguezdiaz 2, amjad anvarimoghaddam2, mehdi. Special issue on power quality in smart grids ieee pes. In addition, information accumulated from bidirectional interactions on the grid enhances its design by improving reliability, flexibility and power quality. Solarpower generators use power conditioners see block diagram in figure 1 to convert the dc power they produce to the ac power distributed to businesses and consumers via the grid. In the modern smart grid, the diversity of loads and the demands for highly efficient consumption, as well as the use of renewable energy solar.
In the next chapter, new smart grid functions addressing power quality aspects are presented. The smart grid is defined by its seven principal characteristics. System facts devices like unified power quality conditioners upqc are usually. Using smart meters data for energy management operations and power quality monitoring in a microgrid emilio j. Power quality improvement in grid connected free download as powerpoint presentation. Power quality improvement of smart microgrids using ems. Smart grid system report 2010 smart grid system report. Transformation of the power sector grid evolution traditionally, grids have been powered by centralized fossil fuel power plants. Smart sensing and measurement will serve as the basis for communications, computing, control, and intelligence in the grid. Part of a longterm economic strategy bruce hamilton.
International journal of smart grid and clean energy smart grid security. Imre gyuk oe, mark johnson arpae, john vetrano office of. Power quality is one of the important aspects responsible for smart grids reliability and should not be neglected. Smart grid, power quality, power system, harmonics, voltage quality, electromagnetic compatibility. Overview of power quality analysis and control technology for the smart grid an luo1, qianming xu1, fujun ma1, yandong chen1 abstract with the wide application of nonlinear loads and the largescale access of distributed energy generations based on power electronics equipments, power quality. Hamed mohsenianrad communications and control in smart grid texas tech university 8 according to the u. The term smart grid refers to a way of intelligently operating the power. Smart meters are advanced electric meters that provide both you and your utility with more information about the power delivered to your home. Smart grid power quality improvement using modified upqc ieee. Good power quality can be defined as a steady supply voltage that stays within the prescribed range, steady a.
Power quality is necessary for electrical systems to operate in their intended manner without any deterioration of performance. Power quality conditioners a power conditioner also known as a line conditioner or power line conditioner is a device intended to improve the quality of power that is delivered to electrical load equipment. The proposed adaptive controller manages the pv output power to regulate the dclink voltage of the proposed upqc. This way, in this paper is analyzed the potential impacts of the battery charging systems on. These tools allow for twoway communication between utility companies and customers and enable data transference. Electric power quality, or simply power quality, involves voltage, frequency, and waveform.
Upqc for power quality improvement in dg integrated smart. Quality of power supply has become an important issue with the increasing demand of distributed generation dg systems either connected to the grid through some power electronics gridtie inverters or to work in isolated microgrid mode towards the development of a smart grid network. Pcs100 avc how voltage conditioning improves productivity and lowers costs. An adequate power quality guarantees the necessary compatibility between all equipments. Alalia, rami aldalkya, mamoun almardinia, wassim elhajjb a. The modern grid incorporates diverse power sources including renewables and energy storage. Smart grid technologies utilize electrical metering and monitoring equipment. Please, submit a pdf version of the abstract including a cover letter with. Power quality problems harmonics, resonances, flickers, etc. The components of the smart grid include renewable sources. Pdf on apr 1, 2010, math bollen and others published power quality aspects of smart grids find, read. Energy storage should be a wellaccepted contributor to realization of smart grid benefits specifically enabling confident deployment of electric transportation and. Finally, the coordinated control of harmonics and unbalances in micro grids is. Velumani 1 pg scholar, 2assistant professor, 3 pg scholar 1 department of.
Upqc unified power quality conditioner, active conditioners, power quality, smart grids, pq theory 1 introduction the effective research in the area of semiconductor technologies in recent decades allowed the refinement and development of faster power. Threats, vulnerabilities and solutions fadi aloula, a. The introduction of variable renewables, responsive loads, storage and localized control into todays electrical grid requires conversion of electric power from one form to another ac tofrom dc andor conversion between different voltage levels, and requires conditioning the power quality. How does the smart grid help improve power quality. In a smart grid the role of a power quality conditioner is to. Through several study cases from serbian distribution network, the need for integrated platform including power quality is elaborated.
A presentation on power quality conditioners submitted by. Smart grid topic 2 smart grid department of electrical. These features are effectively offered by the smart grid system. The report examines emc issues for smart grid equipment on both the electric power system delivery and the power customer sides of the smart grid meter and summarizes recommendations for emc standards. Power quality conditioner upqc in gridconnected micro grids is introduced in order to reduce. Our nations future global competitiveness demands faultfree operation of the multitude of digital devices that power our 21st century economy.
Analysis of the features of a upqc to improve power. Power quality conditioners dvrs, coordinated tap changers. Article pcs100 avc how voltage conditioning improves. Ups systems do not provide any power quality improvement or conditioning at all. Overview of power quality analysis and control technology for the. The natural bet is the electric mobility, namely electric vehicles ev, and plugin hybrid electric vehicles phev. Lower order harmonics are eliminated by proper selection of. Unified power quality conditioner for improving power. Upqc for power quality improvement in dg integrated smart grid.
Power conditioners that contribute to smartgrid eeweb. Smart grid power quality improvement using modified upqc. Providing power quality pq for the digital economy is one of those characteristics. Unified power quality conditioner for improving power quality using ten switch inverter 1 s. Power quality requirements for the smart grid design. The accelerating development of electrification, decentralization and digitalization is decarbonizing. Using smart meters data for energy management operations. Pdf impact of electric vehicles on power quality in a. A waveletbased unified power quality conditioner to. Harmonics and the smart grid smart grid supports cogeneration, automatic monitoring, diagnosing and repair functions the installation of advanced metering infrastructure ami is the bridge to the construction of smart. Eaton s power conditioners provide exceptional system reliability through ultimate power protection against sags, surges, swells, spikes and electrical noise.
Advanced power electronics will greatly improve the quality of power supply and flexibility of power flow control. Learn more at this feature is not available right now. In north america, home appliances and electronics are designed to operate within a range of 106 volts to 127 volts of alternating current ac. Grid energy storage refers to the methods used to store electricity on a. The modern grid incorporates diverse power sources including renewables. Smart grid semiconductor solutions infineon technologies. The 2010 smart grid system report sgsr to congress explores the current status of smart grid development, its future prospects, and the technical and financial obstacles to progress. This book highlights the new emerging challenges of power quality due. The proposed waveletbased unified power quality conditioner upqc used to in tegrate photovoltaic units into the power. Dugan and mark mcgranaghan 50 tools for success distribution system planning in the smart grid era julio romero aguero 62 in my view benefits of the smart grid.
Smart grid research, reports and presentations nist. The major highlights of utilizing smart grids are the capacity to selfheal from power quality pq issues, efficient energy management, incorporation of automation based on ict and smart metering. Finally, conclusions are brought regarding the change in power quality. Power quality aspects of smart grids international conference on. Overview of power quality analysis and control technology. A study of the power quality constrained optimization of smart. The future electricity grid requires smart features like flexible, accessible, reliable, and quality power supply. Integrating renewable energy with the smart grid gm shafiullah1, amanullah m. Pdf power quality aspects of smart grids researchgate. Power quality control in smart distribution grids using.
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