Audit logging of userdevice access application condition monitoring. Good power quality can be defined as a steady supply voltage that stays within the prescribed range, steady a. Smart grid will act as a backbone infrastructure to enable new business models like smart city, electric. With actual information on voltage, utilities can use smart grid technology to optimize the voltage for every customer they servesettings are based on actual customer voltages rather than engineering estimates, which enables a more efficient and accurate supply of power. Power quality audit, power quality audits, pune, maharashtra. Vehicleto grid as defined by midatlantic grid interactive cars v.
The 2018 smart grid system report is intended to provide a status of smart grid deployments nationwide, resulting benefits, and the challenges yet remaining as we move forward with the modernization of the electric grid. Power quality seminar report, ppt, pdf for electrical. Powergrid a government of india enterprise a maharatna. About 20% of power quality problems originate with the utility transmission and distribution system. Comprehensive technology footprint value from smart customer focused process focused grid focused asset focused asset investment planning and management. Smart grid as one of the leading power companies in asia pacific, clp continues to explore new technologies to continuously make the grid smarter, so clp can deliver new and improved services to our customers, and to meet energy challenge in an economic, sustainable and socially responsible way from one generation to the next. The paper analyses the factors responsible for power quality problems in the wind energy conversion system connected to grid and proper control schemes for power quality improvement. Epri power quality and smart distribution 2011 conference. 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, integration of distributed power generation, renewable energy resources, and storage units. The grid must be manageable and effective from the transmission and distribution down to enduse loads. Pdf impact of electric vehicles on power quality in a.
A smart grid sg, also called smart electrical power grid, intelligent grid, intelligrid, futuregrid, intergrid, or intragrid, is an enhancement of the 20th century power grid. The advantages contribute to maintain good pq and to maintain the reliability. The components of the smart grid include renewable sources and controllable loads. 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 grids. Power quality audits identifies power quality issues. Gis helps you answer questions and solve problems related to smart grid implementation. The first reason is the more active consumer participation in the power sector, and the other one is the introduction of renewables, having a great impact on voltage variation because its intermittency. The paper discusses power and especially voltage quality issues in the smart grid environment. Pdf this paper presents preliminary results from a powerquality audit conducted at a hightech. Aug 01, 2016 power quality audit will help you detect all kinds of ongoing power quality issues it shall help you understand the problems related to those issues it shall guide you in best maintenance of your system it shall suggest you how to avoid any future equipment failures etc. All these unwanted parameters can increase in power consumption, heating of equipments and wiring, malfunctioning or even damage. Advanced metering infrastructure ami is the basic building block of smart grid. Power quality measures all electrical parameters accurately voltage, current, power, harmonics, phase. Eaton s extensive services offerings combine a geographically dispersed field organization to support testing.
Overview of power quality analysis and control technology for. Optimizing utility power systems to align with goals. You will get a feel for the issues surrounding it, the challenges ahead, the countless opportunities it presents and the benefits we all stand to gain. In this paper different power quality issues are addressed and a facts device static compensator statcom is connected at a point of common coupling for grid connected wind turbine to reduce the power quality problems likeharmonics in the grid current, by injecting superior reactive power in to the grid of wind turbine.
Figure 1 tree limbs create a short circuit during a storm, typically resulting in a power outage. The job for the electrical system power quality study and analysis shall be carried out as indicated below. The power quality audit pqa, is a service offered by the prasas technical support centre that checks the reliability, efficien. Plug in electric vehicles are part of the smart grid.
Explore power quality with free download of seminar report and ppt in pdf and doc format. Power quality audit syscon energy conservation solutions pvt. Analysis of power quality improvement in smart grids. But with the advancement in various concepts of power generation, problems associated with power outages and thefts, and also due to increase in demand, we require a modernized grid to avail all the needs of customers even in the. We have been providing a worldclass supply reliability of over 99. Abstractpower quality issues are one of the most important aspects of future smart grid design and operation. Underpinned by its core value of pursuit of excellence, hk electric is committed to delivering excellent services and supply reliability to our customers. Smart grid and power quality management ieee smart grid. The following technologies and applications are discussed. Part of a longterm economic strategy bruce hamilton smart grid. Learn more at this feature is not available right now. Afonso, impact of electric vehicles on power quality in a smart grid. However, smart grid is applicable to all value chain of power system but in distribution it plays a vital role.
Distribution system planning in the smart grid era julio romero aguero 62 in my view benefits of the smart grid. An overview of smart power grid energy and power for all. Upqc for power quality improvement in dg integrated smart. Overview of power quality analysis and control technology. Across the country, these technologies are being applied to the electric grid today as part of grid modernization efforts. The material presented in this paper is the result of discussions in an international cigrecired joint working group. Due to its robustness, smart grid can accommodate en ergy from fuel sources as well as re sources and adopt any new technologies for a climatefriendly society. Ieee distribution automation working group white paper v3. However, it is anticipated that smart grid technology will be play a selfregulatory role in power system networks due to its many advantages as given below 6,7. Our core business the availability, control and safety of low voltage electrical networks with increased focus on our customers power performance. An adequate power quality guarantees the necessary compatibility between all equipments connected to grids. Smart grid can improve utility operations and customer service, and if so, at what cost and benefit. In this paper, the power quality of the pondicherry smart grid pilot project is investigated.
Advanced metering infrastructure analytics a case study. It is defined as a system that measure, collect, transfer and analyze energy. Power quality concerns in implementing smart distribution. Without the proper power, an electrical device or load may malfunction, fail prematurely or not operate at all. Future power needs growing demand for power power quality electric vehicles. The pqa uses network analysers, instruments specially designed to detect faults and deteriorations and record parameters and information that may be of use in locating the causes of. Power is simply the flow of energy and the current demanded by a load is largely uncontrollable. This paper maps the expected and possible adverse consequences for power quality of introducing several smart distribution grid technologies and applications. Helps to identify and eradicate harmonics which minimises line losses and. Smart grid, there is a need to ensure that the future grid provides high quality, robust power. Power quality and emc in smart grid elsakerhetsverket. Smart grid is capable of sensing system overloads and. Power quality events could be categorized as follows. Smart grid for distribution systems v customer interactions related to automation 1.
Frequency stability of some large electrical grids. The purpose of this book is to give readers in plain language a fix on the current position of the smart grid and its adoption. 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. Smart grid topic 2 smart grid department of electrical. The traditional power grids are generally used to carry power from a few central generators to a large number of users or customers. Therefore, power quality pq issues with respect to smart grids become a major topic is explained.
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, wind, biomass energy, etc. Nov 02, 2017 learn more at this feature is not available right now. Power quality analysis of photovoltaic generation integrated. The availability of new technologies such as distributed sensors, twoway secure communications, advanced. This will further help you address reliability and stability concerns before they actually impact on your. Power quality the quality of electrical power supply is a set of parameters which describe the process of electric power delivery to the user under normal operating conditions, determine the continuity of supply short and long supply interruptions and characterize the supply voltage magnitude.
So power quality study determines the health of the electrical to load ends. The profile provides cybersecurity risk management guidance to power system ownersoperators by prioritizing cybersecurity activities based on their effectiveness in helping power system ownersoperators achieve common highlevel business objectives for the smart grid. This years conference will feature a focus on smart grid concepts for grid efficiency, metering, asset management, and operational improve. Power quality issues in smart grid environment serbian case. Smart grid and power quality ac power quality factors digital equipment relies on a transformer to get the lowvoltage direct current. Impact of electric vehicles on power quality in a smart. Department of energy doe has made supporting the smart grid a national policy goal, which entails a fully automated power delivery network that monitors and controls every consumer and node, ensuring a twoway flow of electricity and information. Power quality and harmonics issues of future and smart. Chinas another national utilitychina southern power grid, also launched its smart grid roadmap in 2011 to build a smart, efficient, reliable, and green grid in next 10 years.
How artificial intelligence will revolutionize the energy. Smart grid technologies are still new and many are in the development stage. Improves the power quality and brings in efficiency. Analysis of power quality improvement in smart grids abstract. Jan 19, 2016 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, wind, biomass energy, etc. Reinventing the electric power system a 2012 reprint journal from pes. To assure power quality of power system, a series of standards rule the requirement of power quality of grid and power generation including pv generation. In this paper, a comprehensive survey on microgrid to improve the power quality parameters is taken as the main objective. Certificate under regulation 40 9 certificate under regulation 7 3 related party transaction.
You will learn what the smart grid is and what it is not. Bloomberg new energy finance has determined that u. European smart grid concept the eu smart grids technology platform vision and strategy for europes electricity networks of the future was launched in 2006 1. Digital equipment relies on a transformer to get the lowvoltage direct current needed to operate. System power quality monitoring concept with monitoring at the substation and selected customer locations slide 30 threephase harmonic and disturbance analyzer for. Power quality requirements for the smart grid design. Electric power quality, or simply power quality, involves voltage, frequency, and waveform. Use of advanced metering infrastructure ami information in distribution operations automatic meter reading amr customer outage detection and correlation to fault location assessment of customer power quality 2. In that, there are 6 national standard refer to power quality in china which are gb 14549 quality of electric energy supply harmonics in.
Pilot project showcases all features of smart grid like as advance metering infrastructure ami, power quality management pqm, peak load management plm, outage management system oms, renewable energy integration and energy storage12. European union outlook the european union, eu, is committed to reducing its overall carbon dioxide emissions to at least 20 % below 1990 levels by 2020. New demands that are facing the distribution network, by introducing the concept of intelligent. Power quality the quality of electrical power supply is a set of parameters which describe the process of electric power delivery to the user under normal operating conditions, determine the continuity of supply short and long supply interruption.
While power quality is a convenient term for many, it is the quality of the voltage rather than power or electric current that is actually described by the term. Pdf power quality issues in smart grid environment. Hamed mohsenianrad communications and control in smart grid texas tech university 8 according to the u. Keywords power quality, voltage quality, emc, electromagnetic compatibility, smart grid, smart grids, smartgrid, smartgrids, renewables. Power factor ground grid testing transformerbreaker oil test. Possible to integrate largescale re into the grid that re duces global warming as well as ghg emission. Reduce a distribution systems peak grid energy consumption. Special issue on smart grid technologies and development in china.
Smart grid generally refers to a class of technologies that people are using to bring utility electricity delivery systems into the 21st century, using computerbased remote control and automation. The present electric grids use the technology of 1970s. Scope of work three phase power quality analyzer will be used for the following, under scope of power quality audit. As the electric grid is operated under tight power quality and reliability pqr standards, the. Compared with the traditional power system, the microgrid or. Many market and business forces, including initiatives related to smart grid, have increased the need for electric utilities around the world to understand the true performance of their transmission and distribution networks.
An example was designed using etap software, starting from a real electric distribution system in order to build a general image of corresponding pq issues. Improve voltage regulation and power quality on the selected distribution feeder. Utility operators will need gis to make the best decisions about key issues such as collecting data, managing smart meter and sensor installation, analyzing customer behavior, and incorporating renewable energy. A general analysis was addressed, in order to identify the current stateofthe art of smart grid and harmonic filters and their influence on power quality. Power grid corporation of india limited, a navaratna company under ministry of power, government of india invites promising, energetic and bright people for apprenticeship for one year in following trades. Thus electric power quality has become an important issue in the future power grids. The entire report is available below for downloading. Department of energy, national energytechnology laboratory format. All electrical devices work properly without any failure, if input power is well within set limits of electrical properties. Power quality analysis of smart grid pilot project.
The smart grid includes several components that help utilities better deliver quality power to your home. Due to the controllable feature of the load, various changes occur with respect to the voltage values and harmonics. For example, smart charging stations with realtime, twoway communication that allow car owners to connect with power suppliers and utilities when they plug in their vehicles will help manage impacts on the electric grid. Emc electromagnetic compatibility including power quality. The smart grid can be defined as an electric system that uses information, twoway, cybersecure communication technologies, and computational intelligence in an integrated fashion across the entire spectrum of the energy system from the generation to the end points of consumption. Power quality issues in smart grid environment serbian.
310 923 871 598 1265 816 1448 995 28 64 1193 338 1295 801 905 1188 1514 785 182 340 100 682 903 232 916 1476 212 142 434 1416 608 194 246 1089 554 147 757 1310 1078