• 제어로봇시스템학회:학술대회논문집
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• 1988.10a
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• pp.678-682
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• 1988

Current substation SCADA system has only one control center where two or three operaters monitor and control more than 40 substations spreaded far and wide. The scope of this system is too wide to cope with the concurrent multiple accidents in electric network by the typhoon and large mow. This paper describes the method to organize the optimal structure of substation SCADA system using remote console and small scale control center.

• Proceedings of the KIEE Conference
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• 2004.11b
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• pp.301-303
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• 2004

본 논문에서는 급전지역분소 전력감시 시스템 운영자를 대상으로 하는 훈련시스템을 제안하였다. PC Platform에서 개발하여 운영자가 용이하게 설치, 관리가 가능하도록 하였으며 현재 설치되어 있는 SCADA 시스템의 MMI와 유사하게 구성하여 SCADA 조작 훈련에 대한 효과를 극대화 하였고 SCADA 데이터 베이스와 동일하게 데이터베이스를 구현함으로서 데이터 베이스 조작훈련이 가능하고 차단기 제어시 COS처리, 이벤트 발생에 대한 시각화를 용이하게 하여 운영자로 하여금 SCADA 시스템의 동작에 대한 이해를 도울 수 있도록 처리하였다. 또한, 모의사고 발생기능을 지원하여 사고 발생시 차단기의 동작 및 이에 따른 전력계통의 변화를 훈련자가 인식할 수 있게 하였다. 제안한 시스템으로 인하여 SCC SCADA 운영자에 대한 용이한 훈련이 가능함으로서 실제 SCADA 조작시 오조작을 방지할 수 있으며 사고발생시 신속한 복구작업을 가능하게 함으로서 전력계통 운전의 효율성을 향상할 수 있는 효과를 가져올 수 있다.

• Journal of Institute of Control, Robotics and Systems
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• v.5 no.6
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• pp.753-763
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• 1999

The existing SCADA(Supervisory Control and Data Acquisition) system software is usually developed to suitable for the specific hardware platforms. However, as per rapid improvement of computer performance and development of network technology, it is required to support scalability and inter-operability in existing different SCADA systems. In order to meet such requirements, in this paper, we propose a new type of SCADA testbed using Java for electric distribution applications. The system consists of three modules; development support tools, client and server modules. The basic architecture of the proposed SCADA system is similar to existing one, however, we improve the function of MTU and MMI interface to facilitate LAN and WAN environment. Also, the proposed system can deals with alarm and history data by using heterogeneous DBMS. Since the system is built in Java environment, the development cost is cheap and it can support sacalability and portability. Our experience can be utilized to develop next generation of small and medium size of SCADA system.

• 제어로봇시스템학회:학술대회논문집
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• 1993.10a
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• pp.1147-1154
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• 1993

This paper introduces a case of SCADA System replacing from centralized processing system to distributed/open architecture system. The cons and pros of the distinctive two system configurations were studied and the requirements of new system that would be enable to easily follow 21 century's technical and operational inovation were presented.

• 제어로봇시스템학회:학술대회논문집
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• 1987.10b
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• pp.403-406
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• 1987

In this paper results of program development which has been carried out for the purpose of increasing availibity of SCADA system in KEPCO is reported. In particular program development for automatic logging of trip load in powter transmission line is included.

• Industry Promotion Research
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• v.2 no.2
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• pp.1-6
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• 2017

SCADA (Supervisory Control and Data Acquisition) System was first introduced to the Seoul Electricity Authority, which manages the transportation part among the three business fields that produce, transport and supply electric power in Korea. Has been using the data link with 1200 bps and 9600 bps in 5 protocols such as HARRIS 6000, BSC, HDLC, L & N and Toshiba by configuring 3 layers of EMS, SCADA and RTU computer equipments in 1: N radial form. This paper presents the OSI standard network packet flow, analyzing DataLink and Network Layer, and presents a KEPCO SCADA network model composed of X.25 high - speed communication network using 3 layers of network. We proposed a future SCADA communication structure that improved the current SCADA communication structure, defined the SCADA DB structure, introduced the concept of the remote SCADA gateway to the SCADA functional structure, applied the standard communication protocol, Multiplexing of surveillance and control in other local facilities and ensuring communication openness.

• Journal of IKEEE
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• v.13 no.3
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• pp.87-94
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• 2009

TETRA(TErrestrial Trunked RAdio) is the wireless communication system generally adopted to public network and backbone network, as the technology of Trunked Radio System specified by ETSI(European Telecommunications Standards Institute) and currently adopted to the Electric Power IT Backbone Network in Korea. IEC 61850 is the protocol proposed for SAS(Substation Automation System) of SCADA(Supervisory Control And Data Acquisition) system. In this paper, IEC 61850 Server and Client simulator are used based on Linux operating system. The multi-functional gateway, which transforms the communication based on TCP/IP between IEC 61850 Server Simulator and Client Simulator to the one based on TETRA Packet Data Service, is developed such that IEC 61850 SCADA system is constructed based on TETRA.

• Proceedings of the KIEE Conference
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• 1998.07a
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• pp.359-361
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• 1998

본 연구에서는 시스템의 대규모 SCADA 시스템들에 효과적으로 적용될 수 있는 전문가 시스템을 설계한다. 전문가 시스템의 추론기관은 직관적 추론 기능과 논리적 추론기능이 연동되도록 설계한다. 직관적 추론기능은 패턴인식구조로, 논리적 추론기능은 휴리스틱에 근거한 심층추론을 통해 시스템 이벤트별로 다양한 시간제야조건을 만족하는 시스템 제어전략을 결정함과 동시에, 지식 생성자의 역할을 할 수 있도록 다중 추론구조로 설계한다.

• Journal of the Korean Solar Energy Society
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• v.33 no.6
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• pp.70-76
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• 2013

Recently industrial control systems have been required to ensure intelligent, high tech automation, interconnection and interoperability demands. Therefore, there is a need to redefine the structure concepts of SCADA system for wind power. Also, at this time, the integrated management system is required for the distributed development of wind farms where are needed often interoperability features and exchange information between different wind farms, wind turbines or SCADA systems. In this paper, an integrated structural concepts for SCADA system are defined. Based on this definition of an integrated SCADA system, the basic designs are analyzed on physical layer, system layer and application layer which are corresponded to wind turbine controller, the SCADA server and the SCADA client, and implement HMI. Between the implementation SCADA server and the client, their normal functions were verified at the small scale wind energy test facilities.

• Proceedings of the KIEE Conference
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• 2009.07a
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• pp.318_320
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• 2009

SCADA시스템은 변전소 구내에 시설되어 있는 설비를 원격에서 감시제어하는 시스템이고, 배전자동화시스템(DAS)은 배전선로에시설되어 있는 각종 배전설비를 원격에서 감시제어하고 있는 시스템이다. 이 시스템들은 독립적인 시스템으로 개발되었고 각각 다른 제어 센터에서 운영이 되고 있다. 본 논문에서는 변전설비를 집중 감시제어하는 SCADA시스템과 배전설비를 감시제어하는 배전자동화시스템을 한 제어센터에서 통합 운영하기 위한 방안을 검토하였다. 개별 시스템의 특징과 기능, 시스템 구성방법 및 연계방안을 기술적으로 분석하여 제어센터의 통합 방안을 기술하였다.