The text begins by providing an overview of scada systems, evolution, and use in power systems and the data acquisition process. What is the digital substation and what makes it digital. The smart grid must provide robust, reliable, and secure communication as well as intelligent electronic devices ieds and algorithms to make the necessary. Security in the smart grid its hard to avoid news reports about the smart grid, and one of the medias favorite topics is security, cyber security in particular. A digital substation using fiberoptic cables for communication digitizes data related to the process parameters being measured using conventional or nonconventional instrument transformers ncits and a merging unit. It is an actuating device that is capable of receiving commands from a controller. Introduction to bdamlai, benefits, challenges and issues 11 2. In the early 2000s, the company had run a proofofconcept pilot network test. Ieee standards activities in the smart grid space ict focus. Study on the application of advanced power electronics in.
The doe grid tech team gtt has developed, through outreach. Statistical approach applied to event detection conference paper pdf available october 2012 with 423 reads. The smart grid sg is an intelligent power grid and is the largest instantiation of the iot network in the near future. Multiple standards including ieee 170x series and ieee 77 for. A smart grid is an electricity network that can intelli gently. Putting the smart in smart grid choosing a technology platform to support the smart grid infrastructure 3 the business challenges traditional power grids and networks are designed for data. Ieee standards activities in the smart grid space ict. The traditional power grid worked very well from its inception in 1870 until 1970 1. Intelligent electronic devices market research report. Generally speaking, ied is a designation which describes various microprocessorbased protection, control, metering and monitoring devices. You will learn what the smart grid is and what it is not.
The intelligent electrical system is the way forward in 2012 peter mollgaard from department of economics and rasmus pedersen from department of it management initiated a new. 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. Electronic grids consist of a large number of systems, intelligent and regular electronic devices, substations, switching stations, dispatching centers and many other elements. A new generation of intelligent electronic devices by rachel denton 3.
Developing an ontology for the smart grid discussion draft. However, there has been a dramatic change in the nature of electrical energy consumption since 1970, as the load of electronic devices has become the fastest. There was one small problem initially proprietary equipment. Using cryptographic technologies to provide security solutions in smart grid is extensively discussed in nistir 7628 1 and iec 62351 standards series 2. Intelligent electronic devices in smart grid applications request pdf. Intelligent current sensors as part of smart grid network authors andrzej nowakowski pawel wlazlo radoslaw przybysz keywords smart grid, intelligent current sensors, autonomous power supply.
Please help improve this section by adding citations to reliable sources. New devices make up smarter grid technology with better communications, modern computer technology and more intelligent automation devices. In addition, data accuracy, timeliness, and availability are crucial to data analytics ability to improve operations. Statistical approach applied to event detection conference paper pdf available october 2012 with 423 reads how we measure reads. Department of energy doe describes the smart grid as an intelligent electricity gridone that uses digital. These devices are equipped with advanced technologies that make twoway digital communication possible where each device on the network is equipped with sensing capabilities to gather important data for wide situational awareness of the grid.
An overview of smart power grid electrical engineering portal. Download fulltext pdf intelligent electronic device for smart grid. Smart grid applications, standards development and recent. The smart grid, generally referred to as the nextgeneration power system, is considered as a revolutionary.
The fact that new data of better quality than before exists in smart grids does not assure that better decision making will be possible. The foundation of the monitoring system infrastructure is based on sensors, transducers and intelligent electronic devices ied collecting information throughout the distribution system. The present electric grids use the technology of 1970s. This is a use case document that describes how an application monitors system for connectivity and intelligent electronic devices ieds placement on the utility grid using common information model cim and for system loads using iec61850. Even though the consumers demand for energy grew exponentially, it was still rather predictable. An intelligent electronic device ied is a device that is added to industrial control systems ics to enable advanced power automation. Example ieds include protective relaying devices, and voltage regulators. Smart grid semiconductor solutions adding more than intelligence to the grid. Smart grid, cyber security emerges to be a critical issue because millions of electronic devices are interconnected via communication networks throughout critical power facilities, which has an immediate. Putting the smart in smart grid choosing a technology platform to support the smart grid infrastructure 3 the business challenges traditional power grids and networks are designed for data to flow in just one direction. Best practices in big data analytics for the smart grid 12 3. The smart grid sg aims to raise operational efficiencies. Secure authenticated key exchange with revocation for smart grid. 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.
Both series identify cryptographic key management for intelligent electronic devices ieds communication as one of the most important issues. An ied, as it relates to the protection and power system automation industry, is a device that performs electrical protection functions, advanced local control intelligence, has the ability to monitor processes and can communicate directly to a scada system. Improves power distribution reliability by providing centralized. This is a use case document that describes how an application monitors system for connectivity and intelligent electronic devices ieds placement on the utility grid using common. Recommended standards, existing frameworks and future needs 14 4. Electronic devices ieds to implement advanced automation. Market synopsis, the global intelligent electronic devices market was valued at usd 10. The digital substation is a term applied to electrical substations where operation is managed between distributed intelligent electronic devices ieds interconnected by communications networks. Ieee standards help enable smart city technologies for. 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. A smart grid can include a wide range of new applications not possible without a communications infrastructure and intelligent end devices. As part of their smart grid initiatives, utilities have been deploying large numbers of intelligent. This paper analyse the technological requirements of intelligent smart grid network with a focus on. The entire power grid chain, starting from the energy power plant generation to the final.
The power industry has spent a great deal of time and money digitizing the power system, which now has more capability than ever before. 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. The smart grid uses advanced ict to control next generation power systems reliably and efficiently. Power system scada and smart grids pdf book library. Devices intelligent electronic devices broadband over power lines demand response advanced metering infrastructure residentialdomestic active rfid for utilities customer gateways combined heat and power provider energy storage advanced distribution management systems business process management for energy smart appliances web 2. Solutions and smart power systems for intelligent use of energy. The smart grid introduction is intended primarily to acquaint nontechnical yet interested readers about. Multiple standards addressing cybersecurity for intelligent electronic devices ieee 1686, substation automation ieee c37. Smart grid applications, standards development and recent deployments ge energy john d. Smart city ieee standards help enable smart city technologies for humanity intelligent transportation ieee 1609 series wireless access vehicle environment ieee 1901 series power line.
Smart grid is referred to by other names including smart electric grid, smart power grid, intelligrid, and future grid 1. Electronic grids consist of a large number of systems, intelligent and regular electronic devices, substations, switching stations, dispatching centers and. Secure authenticated key exchange with revocation for. Ieee 16862007 security for intelligent electronic devices ieds nerc cip 002. A new generation of intelligent electronic devices ieds is rapidly being deployed throughout the power system. This method reflected the relationship between the. A smart grid provides utility companies with nearrealtime information to manage the entire electrical grid as an. Department of energy doe describes the smart grid as an intelligent electricity gridone that uses digital communications technology, information systems, and automation to. The functions and features to be provided in substation intelligent electronic devices leds to. This authoritative guide demonstrates the importance of the smart grid and shows how ict will extend. Since the early 1980s, the utility has been experimenting with wireless technology to provide communications with field devices. A smart grid is an electrical grid which includes a variety of operation and energy measures including smart meters, smart appliances, renewable energy resources, and energy efficient resources. Hurdles to smart grid widespread adoption 9lack of comprehensive, longterm and integrated smart grid strategies and roadmaps tied to quantifiable benefits 9substantial capital investment required up front 9regulatory structures that do not fully recognize the benefits of smart grid technologies e. A smart grid communications infrastructure is layered and can span endtoend.
This document contains the details of the standard ieee 16862007. Pdf the key role of intelligent electronic devices ied. Compared with traditional solutions at the functional level such as individual meter or protective relay, ied functions. The doe grid tech team gtt has developed, through outreach and engagement with stakeholders, a vision of the future grid with key attributes shown in figure 3 and a strategic framework that. Ieee standards help enable smart city technologies for humanity. An ied, as it relates to the protection and power system automation industry, is a device that performs electrical protection functions, advanced local. Smart city ieee standards help enable smart city technologies for humanity intelligent transportation ieee 1609 series wireless access vehicle environment ieee 1901 series power line communications plc ieee 802. Smart grid, cyber security emerges to be a critical issue because millions of electronic devices are interconnected via communication networks throughout critical power facilities, which has an immediate impact on reliability of such a widespread infrastructure. Protection and control devices, such as intelligent electronic devices ieds with embedded operating systems, are used at the generation, transmission, and increasingly the distribution levels. This paper proposes the use of a novel algorithm for smartdirect load control sdlc and load shedding to minimize power outages in sudden grid load changes and reduce the. Conference paper pdf available october 2012 with 423 reads. How the relevant information is extracted to generate a customized report. The transmission line has embedded sensors to enable the system operator to see individual transmission line capacity as a dynamic rating. Development of intelligent electronic devices ied serves as a typical example 4.
A digital substation using fiberoptic cables for communication digitizes data related to the process parameters being. What is intelligent electronic device ied igi global. It became possible by using computing technology in the substation environment. Increased use of digital information and controls technology to improve reliability. These applications include distribution automation, substation automation, automated metering infrastructure ami, benefits. Power system scada and smart grids brings together in one concise volume the fundamentals and possible application functions of power system supervisory control and data acquisition scada.
Intelligent electronic device also known as an ied. Smart grid distribution automationcourse outline instructor. Figure 1 tree limbs create a short circuit during a storm, typically resulting in a power outage. This authoritative guide demonstrates the importance of the smart grid and shows how ict will extend beyond transmission voltages to distribution networks and customerlevel operation through smart meters and smart homes. These applications include distribution automation. Moving from conventional to intelligent substations.
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