A synchrophasor is a phasor that is time stamped to an extremely precise and accurate time reference. Ieee guide for smart grid interoperability ieee p2030 provides reference models for. Emerging hardware and software technologies will benefit the electric utility industry by making transmission and distribution operations more efficient, reducing the probability of blackouts and brownouts and giving power suppliers the option of deferring costly new. Home how synchrophasors are bringing the grid into the 21st century.
It involves measurement of electrical quantities in realtime at different. A smart grid is an electricity network that can intelli gently integrate the actions of all users connected to it generators, consumers and those that do bothin order. How synchrophasors are bringing the grid into the 21st. Phase angle differences how can they be used in operations.
Oct 26, 2018 synchrophasors are timesynchronized electrical measurements that represent both the magnitude and phase angle of the electrical sinusoids. Although the concept of smart meters providing information about the grid has been present for years, quality of measurements and reporting rates of these devices have proven to be inadequate for maximizing utilization of transmission assets, as well as foreseeing blackouts and brownouts. For the smart grid, a synchrophasor the new york times. Apr 16, 2014 the grid was born over a century ago, at a time when our needs were simpler and our demand much lower. Synchrophasors in smart grid in key countries, update 2014 market volume, average price and market size forecasts to 2020, which provides indepth analysis of the synchrophasor market at. Available at 7 the report, real time application of synchrophasors for improving reliability, north american. Application of phasor measurement unit in smart grid 1chandarani sutar, 2dr. Implementation and performance of synchrophasor function.
Phasor measurement units pmus measure current and voltage by amplitude and phase at selected stations of the transmission system. Applications of synchrophasor technologies in power systems. With a reliable electrical grid being such a critical component of modern life, the implementation of new technology and concepts needs to be thoroughly evaluated to ensure a successful transition to a sophisticated grid. Pdf indian power grid has evolved into a huge complex infrastructure. A synchrophasor is a phasor measurement with respect to an absolute time reference. Smart grid generally refers to a class of technologies, including synchrophasors, being used to bring utility electricity delivery systems into the 21st century, using computerbased remote control and automation. For more than 30 years, schweitzer engineering laboratories, inc. Assuming 60 synchrophasors are produced per second, the synchrophasor interrupts are to be generated every 1,666. Evaluation of smart grid and civilian uav vulnerability to. While synchrophasor devices and search for killer applications are still evolving, efforts are needed to provide solutions to well recognized problem of training needs in synchrophasor technologies. Transmission synchrophasors wecc demonstration project 10. Smart grid control overview and research opportunities.
Basically a solidstate relay or digital fault recorder with gps clock. This transformation imposes new challenges on existing. Synchrophasors and the smart grid arizona state university. Phasor measurement units an overview sciencedirect topics. Synchrophasors in smart grid global market analysis and forecasts to 2015 new smart grid investments increase demand for synchrophasors smart grid technologies such as advanced metering. The smart grid revolution is creating a paradigm shift in distribution networks that is marked by new, significant intermittencies and uncertainties in power supply and demand. Smart grid suppliers 80% of global grid investments will be made outside u. Justifying synchrophasors in the smart grid ieee smart grid. Synchrophasors or phasor measurement units, pmus on the other hand, provide a much better insight into the state of the smart grid and in turn help optimize. Phasor measurement units pmus are highspeed sensors that measure voltage and current synchrophasors of the power system with the accuracy in the order of one microsecond, which is much faster than the speed of existing scada technologies 16. Better yet, it will report back with a time stamp, which it will generate by listening for a gps signal, so that all the reports can be synchronized and computers at the control center. Realtime synchrophasor technology furthers march toward. The mission of the north american synchrophasor initiative naspi is to improve power system reliability and visibility through wide area measurement and control, by fostering the use and capabilities of synchrophasor technology. Epfl smart grids technologies course 20182019 lecture.
Smart grid project policy no ip1 iso uses synchrophasor data for grid operations, control and modeling version no 3. The department of energys office of electricity oe recognizes that our nations sustained economic prosperity, quality of life, and global competitiveness depends on an abundance of secure, reliable, and affordable energy resources. It started with synchrophasors and led to grid resiliency. However, as with many emerging technologies, transactive energy remains largely untested. The more recent emergence of smart grid concepts is another fundamental aspect to bring further discussions and deployment of the synchrophasors technology, associated with the real possibility of online monitoring applications. Keywords synchrophasors, data quality, cybersecurity, methodologies 1 introduction smart grid has complex dependencies between physical and cyber realms 14. Apply synchrophasors now disturbance recording relaytorelay control modal analysis special protection schemes system control. Existing curriculum need to be revised to integrate smart grid concepts focused on synchrophasors kezunovic, 2012. Catalyzes innovation in smart grid applications green button app enabled by nist sgip standards available to 12 million consumers in 2012 opens international markets for u.
The iec 61850905 technical report has been approved and published in may 2012. To form a competitive environment to advance efficient use of electric energy and modernization of the electricity grid, as well as to promote creation of multidisciplinary research teams to solve problems and deliver innovative and effective smart grid. Smart grid system repor t 2018 page 2 message from the assistant secretary i am pleased to present the 201 8 smart grid system report, which 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. While the word sounds very 21st century, the phasor is a 19th century calibrating the smart grid. March 2018 cyberphysical security for the smart grid, gian course, iit bombay manimaran govindarasu 2 course agenda day 01 module 1. Pdf microsynchrophasors for power distribution monitoring. Naspi was established in 2007 to advance the understanding and use of synchrophasor technology, and is a forum for recovery act smart grid investment recipients to share information and lessons learned, solve problems, develop technical standards, and further the development of synchrophasor technology. Realtime synchrophasor technology furthers march toward smart grid.
Fansler northrop grumman informationsystems biographies daniel p. Using smart grid to improve operations and reliability. Due to its enhanced situational awareness capabilities, many. Smart grid investments will improve the grid from the power plant to the customers meter endtoend improvements smart grid technologies will benefit all customers and lay the foundation for future service improvements. Implementation and performance of synchrophasor function within microprocessor based relays 37 another issue is the required resolution of the internal oscillator. With this measurement we can determine the absolute phase relationship. The remarkable usage of flexible ac transmission systems facts and. Justifying synchrophasors in the smart grid financial, operating efficiencies just a glimmer of the benefits. About naspi north american synchrophasor initiative. The concept of the smart grid originated from the desire to make the grid starting from the power station to the enduse appliance smarter, safer, reliable and more costeffective using advanced sensors, communication technologies and distributed computing. Californias modern grid will leverage existing technologies, such as synchrophasors, to perform at its peak capabilities.
Synchrophasors and the smarter grid ieee pes boston chapter. Smart grid project policy no ip1 iso uses synchrophasor data for grid operations, control and modeling. This has been demonstrated by recent attacks on smart grid which is summarized in table 1 510. Introduction to synchrophasors on demand training from electric power group p a g e 3 3. Synchrophasors and the smarter grid ieee pes boston. Synchronized phasors synchrophasors provide a realtime measurement of electrical quantities across the power system. His research interests include modeling, data analytics, and optimization of power systems and smart grids. The grid was born over a century ago, at a time when our needs were simpler and our demand much lower. Globaldata, the industry analysis specialist, has released its latest research. Japan, korea, eu and china based their smart grid frameworks on nist. Time synchronization is usually provided by gps and allows synchronized realtime measurements of multiple remote points on the grid. The growing complexity of electrical power grids is demanding increasingly innovative solutions to build more stable and secure grids, a trending that is particularly evident across the spectrum of industrialized countries. A phasor measurement unit pmu is a device used to estimate the magnitude and phase angle of an electrical phasor quantity such as voltage or current in the electricity grid using a common time source for synchronization. Apr 01, 2010 the hope is that synchrophasors, when deployed by the hundreds, will increase the amount of energy that can be reliably transmitted on the highvoltage grid.
Synchrophasors schweitzer engineering laboratories. How synchrophasors are bringing the grid into the 21st century. The smart grid revolution is creating a paradigm shift in distribution networks that is marked by new, significant intermittencies and uncertainties in power supply. Smart grid seminar university of california, san diego. This system for network monitoring using synchrophasors helps with fast appraisal of the current system situation. 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. Ieee has been at the forefront of the global smart grid movement since the development of the smart grid concept. This paper pre sents an approach to visualize and analyze the smart grid data generated by synchrophasors. Synchrophasors in smart grid by rajesh gunnam issuu. Hamed mohsenianrad communications and control in smart grid texas tech university 8 according to the u. Threat analysis of blackenergy malware for synchrophasor. Introduction synchrophasor based systems play a vital role in realtime and widearea monitoring, protection and control in modern power grids. Smart grid is referred to by other names including smart electric grid, smart power grid, intelligrid, and future grid 1.
Time synchronization is usually provided by gps and allows synchronized realtime measurements of multiple remote points. It is the band of choice for the support of machinetomachine communications in the energy sector, including smart meters and wireless scada connections required, for example, with wind turbines. Therefore, pmus and synchrophasor data provide grid operators. Pmus and synchrophasor data flows in north america march 2014 pdf. The smart grid transforms the current grid to one that. Up until now, synchrophasor data had been used for offline analysis, but in the smart grid rollout, it will be used for near realtime online monitoring and possibly control. A collaborative educational program on synchrophasor. Hamed mohsenianrad communications and control in smart grid texas tech university 33 interoperability is the capability of two or more networks, systems. Smart grid defined us doe definition of smart grid 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. Phasors, synchrophasors, pmus, and their applications a phasor is a rotating phase vector, an alternative expression of a sine wave. Synchrophasors are synchronized phasor measurements, that is, measurements of ac sinusoidal quantities, synchronized in time, and expressed as phasors. Enhancement of transactive energy test bed as related to. Introduction to synchrophasors electric power group. Dell and osisoft build smart grid platform for synchrophasor big data 2 everyone knows that the smart grid has a big data problem but some problems are easier to handle than others.
Abstract the concept of using phasors to describe power system operating quantities dates back to 1893 and charles proteus steinmetzs paper on mathematical techniques for analyzing ac networks1. Adding in the absolute time mark, a synchrophasor is defined as the magnitude and angle of a cosine signal as referenced to an absolute point in time as shown in. Net insight our background is realtime but for tv and media net insight is a swedish public company with head quarters in sweden more than 160 customers in over 50 countries enhancing quality and control of missioncritical services over ip and optical networks using its nimbratm msr media switch router products kt. With this data, miso can better detect, diagnose and prevent system disruptions. Blackenergy, malware, cyber attacks, synchrophasors, smart grid, ieee c37. Smart grid topic 2 smart grid department of electrical. The highprecision time synchronization via gps allows comparing measured values synchrophasors from different substations far apart and drawing conclusions as to the system state and dynamic events such as power swing conditions. Energy automation and smart grid grid applications. Smart grids and micro grids michigan technological university.
More complex needs are putting a heavy strain on the aging infrastructure, which is why we need to innovate and update our grid so its ready for the demands of today. Synchrophasors are measured by fast timestamped devices called phasor measurement units pmus to constitute the basis of realtime monitoring and control actions in the electric grid. The synchrophasor report schweitzer engineering laboratories. The synchrophasors will report back 30 times a second. Pdf applied cyber security and the smart grid by eric d. Evaluation of smart grid and civilian uav vulnerability to gps spoo. Survey on synchrophasor data quality and cybersecurity. Synchrophasors are precise grid measurements available from monitors called phasor measurement units pmus. Presents the latest technical control research related to smart grid systems helps to promote smart grids by demonstrating how they can deal with customer demand and other practical marketrelated issues such as pricing offers a broad vision of future developments in the next generation of power systems. Smart grid architecture smart grid information exchange smart grid standards examples dr. Sel offers a wide variety of solutions to fit your application. Sel has delivered reliable, highquality solutions that lead the electric power industry in price, features, innovation, and service. Synchrophasors in smart grid in key countries, update 2014.
The smart grid sg paradigm is the next technological leap of the conventional electrical grid, contributing to the protection of the physical environment and providing multiple advantages such. Whether you are working with individual units or a. With a fixed temporal reference frame, synchrophasor measurements may be used to determine useful information about operation of the grid. Seamless integration of power system infrastructure with the transportation and existing built. Ieees smart grid website provides information, resources and expertise about smart grid. Recovery act smart grid investments have supported the installation of over. Grid event signatures use to detect and diagnose grid events.
Pdf phasor measurement units in the indian smart grid. Furthermore, we have developed synchrophasor solutions and deployed them in utility systems for more than a decade. Ieee p2030 draft guide for smart grid interoperability of energy technology. Synchrophasors are currently being used by utilities around the world for system model validation, situational awareness, stability analysis, islanding detection, disturbance analysis, and widearea measurement and control.
Get the basics on how smart grid technology impacts you. He has received the national science foundation nsf career award, a best paper award from the ieee power and energy society pes general meeting, and a best paper award from the ieee international conference on smart grid communications. Synchrophasor applications in smart electric grid the adoption of. These systems are made possible by two way digital communications technologies and computer. Smart grids and micro grids department of electrical and. What is a synchrophasor and how will it increase the. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This should mean fewer blackouts for the state of new york. The more recent emergence of smart grid concepts is another fundamental aspect to bring further. The process of making a national grid is also underway. Microsynchrophasors for power distribution monitoring, a. Synchrophasors are the stateofthe art measuring devices that sense various parameters such as voltage, current, frequency, and other grid parameters with a high sampling rate.
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