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Active Power Line Conditioners: Design, Simulation and Implementation for Improving Power Quality presents a rigorous theoretical and practical approach to active power line conditioners, one of the subjects of most interest in the field of power quality. Its broad approach offers a journey that will allow power engineering professionals, researchers, and graduate students to learn more about the latest landmarks on the different APLC configurations for load active compensation. By introducing the issues and equipment needs that arise when correcting the lack of power quality in power grids, this book helps define power terms according to the IEEE Standard 1459.
Full-text (PDF) Active power-line filtering is conventionally performed by injecting equal-but-opposite of the distortion into the line. The power converter used. Trends in active power line conditioners. Basic principle of shunt active power line conditioner. Industrial power systems since their basic compensation princi.
Detailed chapters discuss instantaneous reactive power theory and the theoretical framework that enabled the practical development of APLCs, in both its original and modified formulations, along with other proposals. Different APLCs configurations for load compensation are explored, including shunt APF, series APF, hybrid APF, and shunt combined with series APF, also known as UPQC.
The book includes simulation examples carefully developed and ready for download from the book’s companion website, along with different case studies where real APLCs have been developed. Finally, the new paradigm brought by the emergence of distribution systems with dispersed generation, such as the use of small power units based on gas technology or renewable energy sources, is discussed in a chapter where mitigation technologies are addressed in a distributed environment.
Key Features. Combines the development of theories, control strategies, and the most widespread practical implementations of active power line conditioners, along with the most recent new approaches. Details updated and practical content on periodic disturbances mitigation technologies with special emphasis on distributed generation systems. Includes over 28 practical simulation examples in Matlab-Simulink which are available for download at the book’s companion website, with 4 reproducible case studies from real APLCs Readership.
Jaime Prieto Thomas was born in Madrid, Spain in 1969. He received his M.Sc. Degree in electrical engineering from the University of Seville, Spain, in 1994.
After three years of engineering practice, he joined the Electrical Engineering Department of the University of Huelva in 1997 as Assistant Professor. He is currently Associate Professor in the same Department of the University of Huelva. His main research interests are active power conditioning, power quality, and power converter analysis, design and control.
It has been suggested that be into this article. Proposed since November 2017. A power conditioner (also known as a line conditioner or power line conditioner) is a device intended to improve the that is delivered to electrical load equipment. While there is no official definition of a power conditioner, the term most often refers to a device that acts in one or more ways to deliver a of the proper level and characteristics to enable load equipment to function properly. In some uses, power conditioner refers to a with at least one other function to improve power quality (e.g. Correction, noise suppression, transient impulse protection, etc.) The terms 'power conditioning' and 'power conditioner' can be misleading, as the word 'power' here refers to the generally rather than the more technical. Conditioners specifically work to smooth the wave form and maintain a constant over varying loads.
Residential Power Line Conditioner
Contents. Types An AC power conditioner is the typical power conditioner that provides 'clean' AC power to sensitive electrical equipment. Usually this is used for home or office applications and has up to 10 or more receptacles or outlets and commonly provides as well as noise filtering. Power line conditioners take in power and modify it based on the requirements of the machinery to which they are connected. Attributes to be conditioned are measured with various devices, such as,. Are most common during electrical storms or malfunctions in the main power lines.
The surge protector stops the flow of electricity from reaching a machine by shutting off the power source. The term 'Power Conditioning' has been difficult to define historically. However, with the advances in power technology and recognition by IEEE, NEMA, and other standards organizations, a new actual engineering definition has now been developed and accepted to provide an accurate depiction of this definition. 'Power Conditioning' is the ability to filter the AC line signal provided by the power company.
'Power Regulation' is the ability to take a signal from the local power company, turn it into a DC signal that will run an oscillator, which generates a single frequency sine wave, determined by the local area needs, is fed to the input stage of power amplifier, and is then output as specified as the ideal voltage present at any standard wall outlet. Design A good quality power conditioner is designed with internal filter banks to isolate the individual power outlets or receptacles on the power conditioner. This eliminates interference or 'cross-talk' between components.
For example, if the application will be a system, the noise suppression rating listed in the technical specifications of the power conditioner will be very important. This rating is expressed in decibels (db). The higher the db rating, the better the noise suppression. The power conditioner will also have a 'joule' rating. A joule is a measurement of energy or heat required to sustain one watt for one second, known as a. Since electrical surges are momentary spikes, the joule rating indicates how much electrical energy the suppressor can absorb at once before becoming damaged itself. The higher the joule rating, the greater the protection.
Uses Power conditioners vary in function and size, generally according to their use. Some power conditioners provide minimal while others protect against six or more problems. Units may be small enough to mount on a or large enough to protect an entire factory. Small power conditioners are rated in (VA) while larger units are rated in kilovolt-amperes (kVA). Ideally electric power would be supplied as a with the amplitude and frequency given by national standards (in the case of mains) or system specifications (in the case of a power feed not directly attached to the mains) with an of zero ohms at all frequencies. No real life power feed will ever meet this ideal. Deviations may include:.
Variations in the peak or RMS voltage are both important to different types of equipment. When the RMS voltage exceeds the nominal voltage by 10 to 80% for 0.5 cycle to 1 minute, the event is called a 'swell'. A 'dip' (in British English) or a 'sag' (in American English – the two terms are equivalent) is the opposite situation: the RMS voltage is below the nominal voltage by 10 to 90% for 0.5 cycle to 1 minute. Random or repetitive variations in the RMS voltage between 90 and 110% of nominal can produce a phenomenon known as 'flicker' in lighting equipment. Flicker is the impression of unsteadiness of visual sensation induced by a light stimulus on the human eye. A precise definition of such voltage fluctuations that produce flicker has been subject to ongoing debate in more than one scientific community for many years.
Abrupt, very brief increases in voltage, called 'spikes', 'impulses', or 'surges', generally caused by large inductive loads being turned off, or more severely by lightning. ' occurs when the nominal voltage drops below 90% for more than 1 minute. The term 'brownout' in common usage has no formal definition but is commonly used to describe a reduction in system voltage by the utility or system operator to decrease demand or to increase system operating margins. ' occurs when the nominal voltage rises above 110% for more than 1 minute. Variations in the frequency. Variations in the wave shape – usually described as harmonics. Nonzero low-frequency impedance (when a load draws more power, the voltage drops).
Nonzero high-frequency impedance (when a load demands a large amount of current, then stops demanding it suddenly, there will be a dip or spike in the voltage due to the inductances in the power supply line) References. Dugan, Roger C.; Mark F. McGranaghan; Surya Santoso; H. Wayne Beaty (2003).
Electrical Power Systems Quality (2nd ed.). New York: McGraw-Hill. Meier, Alexandra von (2006). Electric Power Systems: A Conceptual Introduction. Hoboken, NJ: John Wiley & Sons. Sittig, Roland; Roggwiller, P.
Semiconductor Devices for Power Conditioning. New York: Plenum Press. External links. ConEdison Solutions. Retrieved 2011-07-14. Power Problems, Power Quality, and Stable Voltage. Charles Perry and Doug Dorr (1 March 2003).
Transmission & Distribution World. Penton Media. Retrieved 2010-07-27. 3DFS Power Solutions. Archived from on July 18, 2011.