Power quality issue is one of the major concerns in modern power grids due to higher penetration of renewable energy based distributed generation sources. Power quality harmonics analysis and real measurements. Advancements in power quality improvement techniques. Power quality issues, impacts, and mitigation for industrial. Power quality deterioration is manifested in increased losses. Use of pwm techniques for power quality improvement. Chen zhongresearch on the key techniques of shunt active power. Advancements in power quality improvement techniques a ugust 2629, 20 poovar island resort, trivandrum, kerala technical sessions advanced diagnosis and measurements ups selection and sizing active and passive filter. Abstract power quality is one of major problems in the todays scenario. Power quality improvement using a dvr dynamic voltage restorer risha dastagir1, mariam asif2 1,2asst. Power quality problem is occurs between nonstandard voltage and current or frequency. This article presents a comprehensive analysis of power quality challenges with grid integration of renewable dg systems and current research status of. Interharmonic reduction by dedicated transformer 37 1.
Download link is provided and students can download the anna university ee6005 power quality pq syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Understanding and solving power quality problems oct 24 20. Power quality and improvement methods free download as word doc. Ppt productivity improvement powerpoint presentation. Power quality improvement using custom power devices pdf download. The electrical device might be an electric motor, a transformer, a. Power quality improvement using a dvr dynamic voltage. Conventionally, static var compensators svc have been used in conjunction with passive filters at the distribution level for reactive power compensation and mitigation of power quality problems 1. We know that most of the industries and power system loads are inductive that take lagging current which decrease the system power factor see disadvantages of low power factor. Maintaining a stable level of power quality in the distribution network is a growing challenge due to increased use of power electronics converters in domestic, commercial and industrial sectors. Although ieee 1409 is specifically applicable to distributionclass 1 kv to 38 kv power facilities, the technologies and practices may be useful in other applications.
The slide design is good for continuous process improvement with a cycle arrow in the slide design and you can download this continuous process improvement ppt for continuous process improvement management system or itil presentations including innovation and continuous improvement. Ppt productivity improvement powerpoint presentation free. One of the most popular active filters is shunt active power filter sapf for mitigating current harmonics. Power quality in power systems and electrical machines. A practical technique for power quality improvement for. Total quality management integrates fundamental management techniques, existing improvement efforts, and technical tools. This book will give an overview of how power quality might impact our lives today and tomorrow, introduce new ways to monitor power quality and inform us about interesting possibilities to mitigate power quality problems. To address these questions, a practice needs structured clinical and administrative data. Download link is provided and students can download the anna university ce6012 ground improvement techniques git syllabus question bank lecture notes syllabus part a 2 marks with answers part b 16 marks question bank with answer, all the materials are listed below for the students to make use of it and score good maximum marks with our study materials. Pdf a practical technique for power quality improvement for.
Power quality improvement power quality issues can increase your utility and operating costs. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Almost all experts are in agreement although we will see an improvement in metering and control of the power flow, power quality will suffer. Furthermore, the detailed investigations are explored in this paper for the enhancement of power quality issues with the help of an optimization technique, filters, controllers, facts devices, compensators, and battery storage. Jan 22, 2016 quality improvement is the science of process management. Power quality and improvement methods electronic filter.
The two lines labeled ucl and lcl are important in determining whether the. Rifat atun of the harvard school of public health gave an orientation to these six methods based on the standing committees november 2014 meeting. The power quality improvement has become a major concern in electrical power system. Power quality improvement by using multipulse acdc converters. Design of shunt active power filter for improvement of power. In general, you can find the minutes of the last meeting for each group. Power quality improvement using custom power devices pdf download 16fqzp. Statistical methods for quality control 5 fies the scale of measurement for the variable of interest. Sa i su m a n th 1 2 r9 1 a 024 8 teegala krishna reddy engineering college a technical seminar on technical seminar coordinators mr a. Handbook for basic process improvement 3 how does process improvement benefit the organization.
There are some techniques to monitor the power quality issues to ensure stable generation, transmission and distribution. However, voltage quality and power losses form the fundamental upon which others are influenced 4. The following devices and equipment are used for power factor improvement. Fundamentals of power quality power quality through better wiring and gdiptigrounding practice david brender, p. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. The power quality has started to play an important role in the electronic industry.
Overview of power quality analysis and control technology for. The rapid improvement in power semiconductor device technology, active power filters apf have been considered as an effective solution for this issue. Power quality events with wind energy operations such as outage of wind generator, grid synchronization of wind generator and wind speed variations have also been investigated. Within this standard, recommended limits are provided for individual harmonics and total distortion. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Power quality improvement using dvr in power system ieee 2016 power electronics projects at pune. Power system stability improvement using facts devices. Here youll find information about all the ieee working groups. The effective use of these tools and techniques requires their application by the people who actually work on the processes, and their commitment to this will only. Design of shunt active power filter for improvement of. Power quality presented by kaustubh nande and group guided by prof. Unified power quality conditioner unified power quality control was widely studied by many researchers as an eventual method to improve power quality of electrical distribution system. Power quality improvement in electrical distribution network. If you want a process that is fast, defect free, and without waste, then you need lss.
This presentation also deals with serious power quality problems. Topological aspects of power quality improvement techniques. Lss has the ability to maximize shareholder value by achieving an extremely fast rate of improvement in he following areas. Singlephasing 1 singlephasing can cause the flow of high currents in the windings. The main power quality problems through analysis are the harmonics caused by powerelectronic devices and voltage variation caused by high reactive. As the power providers are turning to smart grid and smart meters, the standards for power quality needs to be revisited.
Basic lean six sigma lss lean and six sigma methodologies focuses and fixes different areas of a process. In a power distribution networks, reactive power is the main cause of increasing distribution system losses and various power quality problems. Continuous quality improvement cqi is a quality management process that encourages all health care team members to continuously ask the questions, how are we doing. The power quality improvement during disturbances in the grid due to feeder tripping, feeder reclosing, load switching, voltage sags and swells have been investigated. The power of business process improvement will help you learn how to eliminate bureaucracy, conduct a valueadded analysis to identify whether your business process delivers what your clients and customers care about, simplify processes, estimate the labor used for a business process sometimes called fulltime equivalent, reduce cycle time, draw a userfriendly process map that anyone can. Using total quality tools and methods reinforces teamwork. Power quality improvement using dvr in power system ieee.
Isbn 9789533073354, pdf isbn 9789535143956, published 20111123. All electrical devices are prone to failure when exposed to one or more power quality problems. Power quality improvement using custom power devices pdf. Definition the ieee defines power quality as the ability of a system or an equipment to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anything in that environment. Study of different methods for enhancing power quality. In this thesis, advanced inverter control mechanisms are developed to improve power quality, specifically 1 voltage and frequency regulation, and 2 reactive power sharing in microgrids. Software quality management ebooks, presentations and. View power quality improvement research papers on academia. Jan 19, 2016 power quality on the consumer side directly affects the power efficiency and production safety, which makes the power quality problems more complex. As a result, active control and local compensation technology are two important means to suppress the circulating current or harmonic resonance, and to analyze the emission features between dgs and.
In a 3phase power system, any disturbance on one parameter magnitude, frequency, waveform, or symmetry is classified as a power quality problem. Control based power quality improvement in microgrids. Power quality improvement for mircrogrid in islanded mode. Continuous quality improvement cqi strategies to optimize. Handbook for basic process improvement i table of contents section page. Electrical power quality control techniques wilson e. Power quality improvement in distribution network using. Such techniques are discussed in this work briefly. The function of unified power quality conditioner is to eliminate the disturbances that affect the performance of the critical load in power system. Power quality is one of the important part in the present time.
Understanding and solving power quality problems a 1% voltage unbalance may result in a 6 to 10% motor current unbalance. Department of electrical and electronics, trinity institute of technology and research bhopal. This ends up producing many power quality problems. Ppt continuous improvement powerpoint presentation. Continuous improvement tools and techniques planview. Power system using shunt active filter with synchronous detection method a thesis that has been submitted in partial fulfillment of the. Recently utilities are continuously seeking costeffective and accurate power quality pq improvement techniques in order to achieve customer satisfaction. Pdf ce6012 ground improvement techniques git books. Since the concept, active power filter,was first developed by l. Six widely used methods to improve quality improving. The next session introduced the six methods listed in box 11. Different methods and algorithms had been employed by authors on power quality improvement with dg and capacitor banks on electrical distribution system.
Power quality harmonics analysis and real measurements data. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. It is important to understand this duality of tools quantitative and decisionmaking methods and philosophy people issues. Total quality management involves both quantitative methods and human resources. Pdf use of pwm techniques for power quality improvement. When the results are failure with the end use of equipments the major problem in power quality is voltage sag. Continuous improvement methodology is also a good topic for.
The standard provides definitions, descriptions of power quality phenomena, performance measurements, and application configurations, but the core of the document addresses the. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Abstractpower quality is one of major problems in the todays scenario. However, this paper presents a new technique which uses single. Phase advancer is a simple ac exciter which is connected on the main shaft of the motor and operates with the motors rotor circuit for power factor improvement. Feb 21, 2016 power quality improvement by using dvr 1. Power quality improvement by using multipulse ac dc converters for dc drives. What is power quality 1 different definitions for power quality, depending on ones frame of reference utilities may def ine power quality as reliability the manufacturer of load equipment may define power quality as those characteristics of the power supply that enable the equipment to work properly. In this paper, a comprehensive survey on microgrid to improve the power quality parameters is taken as the main objective. Mar 15, 2014 however in practice, power systems, especially the distribution systems have numerous nonlinear loads, which significantly affect the quality of power supply 2, 3. For power factor improvement purpose, static capacitors are connected in parallel with. Power quality is a set of electrical boundaries that allows a piece of equipment to function in its intended manner without significant loss of performance or life expectancy. Power quality is the study of voltage variation, waveform distortion and frequency variation at the load end.
Sep 10, 2019 so the need for innovative power quality improvement pqi techniques becomes inevitable due to ongoing reformation in traditional distribution networks by the integration of renewable energy. A standardized process improvement methodology allows us to look at how we perform work. The term transients used in the analysis of power system variations to denote an. Power quality full notes pdf download faadooengineers. However in practice, power systems, especially the distribution systems have numerous nonlinear loads, which significantly affect the quality of power supply 2, 3. This paper deals with conceptual study of power quality improvements methods used to mitigate the voltage sag, swell, voltage dip suppression. When deming and others developed their approach to modern quality improvement in the 1940s, they were basically developing a way for modern organizations to deal with the complex challenges that were confronting them. As a result of the nonlinear loads, the purity of the waveform of supply is lost. Desirable attributes of monitoring equipment are discussed along with approaches that can be taken by the electric utilities to improve the quality of the power delivered to customers. Phd projects,ieee latest mtech title list,ieee eee title list,ieee download papers,ieee. The paper displays the power quality improvement with the help of the multipulse converter.
Each time a sample is taken from the production process, a value of the sample mean is computed and a data point showing the value of is plotted on the control chart. Phase advancer is used to improve the power factor of induction motor in industries. Power system using shunt active filter with synchronous detection method a thesis that has been submitted in partial fulfillment of the necessities for the degree of bachelor of technology in electrical engineering by preetam kumar nanda 110ee0212 under the guidance of prof. When all of the major players are involved in process improvement, they can collectively focus on eliminating wasteof money, people, materials, time, and. From an electric utility perspective, a fault on the transmission system can produce a sag to electricity users downstream of that location, and depending on the system topology. The power quality can be categorized into two groups, one addressing the standard for the power quality supplied at the grid level and the other group which deals with the factors. The selective harmonic elimination she pwm based methods can be applied for. Power quality improvement research papers academia. Power quality seminar report, ppt, pdf for electrical. Explore power quality with free download of seminar report and ppt in pdf and doc format. Power quality problems a brief explanation of the power quality problems is given in the following section. Power system constraints as noted in the introduction, transmission systems are being pushed closer to their stability and thermal limits while the focus on the quality of power delivered is greater than ever.
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