• Title, Summary, Keyword: Smart Grid

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Evaluation Criteria for Korean Smart Grid based on K-ISMS (K-ISMS 기반의 한국형 스마트 그리드 정보보호 관리체계 평가 기준 제안)

  • Kim, Kichul;Kim, Seungjoo
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.22 no.6
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    • pp.1375-1391
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    • 2012
  • Smart grid is a next-generation intelligent power grid that applying ICT to power grid to maximize the energy efficiency ratio. Recently, technologies and standards for smart grid are being developed around the world. Information security which is an essential part of smart grid development has to be managed continuously. Information security management system certification for organizational risk management has been implemented in Korea. Although preparation for information security management system certification which is applicable to smart grid is considered, there are no specific methods. This paper is to propose core and added evaluation criteria for Korean smart grid based on K-ISMS through comparative analysis between ISMS operated in Korea and smart grid information security management system developed in the United States. Added evaluation criteria enable smart grid related business that certified existing ISMS to minimize redundant and unnecessary certification assessment work.

Research Trend Analysis for Smart Grids Using Dynamic Topic Modeling (동적 토픽분석을 활용한 스마트그리드 연구동향 분석)

  • Na, Sang-Tae;Ahn, Joo-Eon;Jung, Min-Ho;Kim, Ja-Hee
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.66 no.4
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    • pp.613-620
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    • 2017
  • The power grid has been changed to a smart grid system to satisfy the growing need for power grid complexity, demand, reliability, security, and efficiency with a combination of existing power and ICT technology. This study analyzes the research trends in smart grid technology in the period since the introduction of the smart grid system and compares it with industrial trends to grasp the progress and characteristics of Smart Grid technology and look for ways to innovate the technology. To do this, we analyze the research trends using dynamic topic modeling, which is capable of time-series research topic analysis. Next, we compare the results of research trends with industrial trends analyzed by Gartner's experts to demonstrate that smart grid research is evolving to the level of industrialization. The results of this study are quantitative analysis through data mining, and it is expected that it will be used in many fields such as companies that want to participate in industry and government agencies that need to establish policies by showing more objective analysis results.

Authentication and Key Management of Smart Grid System using Bluetooth and Zigbee (Bluetooth, Zigbee를 응용한 Smart Grid 시스템의 인증 및 키 관리)

  • Chang, Young-Hyun;Pyo, Seong-Bae;Song, Jin-Young;Park, Dea-Woo
    • Proceedings of the Korean Society of Computer Information Conference
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    • pp.87-90
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    • 2011
  • Smart Grid는 전기 공급자와 수요자를 이어주는 전기 네트워크를 설치하여, 전기기기와 IT기술이 융합된 형태로 사용자내에서 Bluetooth, Zigbee를 이용한 전기기기를 통제하는 효율적인 에너지 네트워크의 일종이다. 하지만 Bluetooth, Zigbee는 인증과 키관리 문제가 있어 보안의 문제가 일어날 수 있다. 본 논문에서는 스마트 그리드에서 사용될 전기IT기기를 응용하여 제어하는 Bluetooth, Zigbee의 인증과 키관리, 키 생성 프로토콜을 통한 보안성 문제를 연구한다. 또한 Bluetooth, Zigbee에 대한 키 생성 프로토콜을 연구한다. 본 연구는 Smart Grid 시스템의 보안성과 안전성을 강화하여 Smart Grid 기술 발전에 기여할 것이다.

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Development of Smart Grid DataBase Using Java Servlet Technology (Java Servlet 기술을 이용한 Smart Grid DataBase 개발)

  • Pyo, Seong-Bae;Kim, Min-Gi;Park, Dea-Woo
    • Proceedings of the Korean Society of Computer Information Conference
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    • pp.217-219
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    • 2011
  • Smart Grid를 위해서 전기의 끊김없는 공급과 안전한 전기사용이 중요하다. Smart Grid에 사용되는 전기IT기기의 성능평가와 인증을 받기 위해서는 모듈 기준값, 모듈 성능값, 제품별 기능, 실험장비, 허용오차 등 실험 DataBase가 발생한다. 전기IT기기는, 기존의 존기기기에 IT와 통신기능을 융합하여 전기의 공급과 안전성을 강화시킨 제품이다. 본 논문에서는 Smart Grid DataBase 개발을 위한 전기IT기기들을 안전하게 관리하고, IT와 통신을 통한 인터넷 웹브라우저에서 접속할 수 있는 Java Servlet 기술을 이용한, 전기IT기기에 대한 평가기관 및 인증기관이 실시간으로 평가와 인증 자료를 관리 할 수 있도록 한다.

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An Adaptive Smart Grid Management Scheme Based on the Coopetition Game Model

  • Kim, Sungwook
    • ETRI Journal
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    • v.36 no.1
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    • pp.80-88
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    • 2014
  • Recently, the idea of the smart grid has been gaining significant attention and has become a hot research topic. The purpose of this paper is to present a novel smart grid management scheme that uses game theory principles. In our proposed scheme, power appliances in the smart grid adaptively form groups according to the non-cooperative hedonic game model. By exploiting multi-appliance diversity, appliances in each group are dynamically scheduled in a cooperative manner. For efficient smart grid management, the proposed coopetition game approach is dynamic and flexible to adaptively respond to current system conditions. The main feature is to maximize the overall system performance while satisfying the requirements of individual appliances. Simulation results indicate that our proposed scheme achieves higher energy efficiency and better system performance than other existing schemes.

State of the Art 3GPP M2M Communications toward Smart Grid

  • Kwon, Young-Min;Kim, Jun-Suk;Chung, Min-Young;Choo, Hyun-Seung;Lee, Tae-Jin;Kim, Mi-Hui
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.6 no.2
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    • pp.468-479
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    • 2012
  • Recent advances in wireless communications and electronics has enabled the development of machine-to-machine (M2M) communications. This communication paradigm has been expected as an automated control and report solution for smart grid. The smart grid enables customers and operators to utilize the collected usage information from a large number of meters with transceivers for efficiency and safety. In this paper, we introduce architecture, requirements and challenges of M2M communications for smart grid. We extract technical issues that should be resolved in M2M communications to support the smart grid via third-generation partnership project (3GPP) cellular networks. We then present the current state of the art of research results to deal with such issues. Finally, we outline the open research issues.

Enhancing Security Gaps in Smart Grid Communication

  • Lee, Sang-Hyun;Jeong, Heon;Moon, Kyung-Il
    • International Journal of Advanced Culture Technology
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    • v.2 no.2
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    • pp.7-10
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    • 2014
  • In order to develop smart grid communications infrastructure, a high level of interconnectivity and reliability among its nodes is required. Sensors, advanced metering devices, electrical appliances, and monitoring devices, just to mention a few, will be highly interconnected allowing for the seamless flow of data. Reliability and security in this flow of data between nodes is crucial due to the low latency and cyber-attacks resilience requirements of the Smart Grid. In particular, Artificial Intelligence techniques such as Fuzzy Logic, Bayesian Inference, Neural Networks, and other methods can be employed to enhance the security gaps in conventional IDSs. A distributed FPGA-based network with adaptive and cooperative capabilities can be used to study several security and communication aspects of the smart grid infrastructure both from the attackers and defensive point of view. In this paper, the vital issue of security in the smart grid is discussed, along with a possible approach to achieve this by employing FPGA based Radial Basis Function (RBF) network intrusion.

CIM and OPC-UA based Integrated Platform Development for ensuring Interoperability

  • Kim, Jun-Sung;Park, Hee-Jeong;Choi, Seung-Hwan
    • KEPCO Journal on Electric Power and Energy
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    • v.2 no.2
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    • pp.233-244
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    • 2016
  • Smart grid is called it as a system of systems. There are diverse types of systems in smart grid environment. Therefore, one of key factors to achieve smart grid successfully is interoperability among diverse systems. To secure interoperability, smart grid operating system should be developed complied with standards in terms of the data representation and communication. Common Information Model (CIM) and OLE Process for Control - Unified Architecture (OPC-UA) are the representative international standards in smart grid domain. Each standard defines data representation and communication by providing common information model and the unified architecture. In this paper, we explain a smart grid platform that we have developed to comply with CIM and OPC-UA standards for secure interoperability among numerous legacy systems.

A Game Theory Based Interaction Strategy between Residential Users and an Electric Company

  • Wang, Jidong;Fang, Kaijie;Yang, Yuhao;Shi, Yingchen;Xu, Daoqiang;Zhao, Shuangshuang
    • Journal of Electrical Engineering and Technology
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    • v.13 no.1
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    • pp.11-19
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    • 2018
  • With the development of smart grid technology, it has become a hotspot to increase benefits of both residential users and electric power companies through demand response technology and interactive technology. In this paper, the game theory is introduced to the interaction between residential users and an electric company, making a mutually beneficial situation for the two. This paper solves the problem of electricity pricing and load shifting in the interactive behavior by building the game-theoretic process, proposing the interaction strategy and doing the optimization. In the simulation results, the residential users decrease their cost by 11% mainly through shifting the thermal loads and the electric company improves its benefits by 5.6% though electricity pricing. Simulation analysis verifies the validity of the proposed method and shows great revenue for the economy of both sides.

Research Trend Analysis for Smart Grid using Social Network Analysis (사회연결망분석을 활용한 스마트그리드 연구동향 분석)

  • Na, Sang-Tae;Ahn, Joo-Eon;Jung, Min-Ho;Kim, Ja-Hee
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.66 no.12
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    • pp.1697-1704
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    • 2017
  • As the power grid has been changed to a smart grid, existing power technologies are evolving into convergence technology through interdisciplinary research. According to the government policy to increase the proportion of renewable energy to 20% by 2030, the speed seems to be accelerating. This study analyzes the relationship between research technologies in order to grasp research trends of smart grid technology. To this end, we analyze the relationship between keywords extracted from topic modeling using social network analysis methodology. This is because, in the field where interdisciplinary research such as smart grid is active, each research topic is not independent, but research technologies emerging in one topic coexist in different topics, and linkage between research technologies can be important information. Therefore, this study can contribute to the analysis of research trend as it can be used as a package tool together with a topic modeling methodology.