本論文主旨在規劃並建置以 IEC 61850 為基礎的通訊協定，於石化業工廠之電力監控系統應用。此系統以 Citect 電力監控系統圖控軟體建構石化工廠變電站控制室之人機介面，並透過乙太網路及光纖，整合間隔層內所有高壓控制盤的智慧型電子裝置、多功能電表、遠端終端單元及電力系統相關設備如主變壓器、不斷電系統、直流充電機等，成為一套完整的電力系統解決方案。本電力監控系統已順利建置完成，除了架設以 IEC 61850 之通訊協定應用在新設電力設備的監控系統之外，也利於將來業主對於新增或汰舊換新系統設備的整合相容性、擴充性。本論文所實現的系統架構，有助於應用在其它工業界的電力監控系統規劃與建置之參考。

The purpose of the thesis is to plan and establish the IEC 61850 protocol structure and its application in the power supervisory control and data acquisition (SCADA) system in a petrochemical plant. This Citect SCADA system diagram-control based software constructs man-machine interface (HMI) and, fiber integration of internal spacer (Bay Level) all high-voltage control panel via Ethernet intelligent electronic devices (IED), multi-function meter, and remote terminal unit (RTU), to form a complete solution in the petrochemical plant substation control system. The SCADA system has been built, with not only the IEC 61850 protocol erection of electrical equipment used in the new monitoring system, but also conducive to future owners for compatibility and expansion of old systems. System architecture implemented in this thesis provides planning and installation references of SCADA system in other industries.
Application of Power SCADA System in Planning and Building Research for Petrochemical Plant
Chih-Yuan Chiang
Hong-Tzer Yang
Department of Electrical Engineering National Cheng Kung University
Tainan, Taiwan R. O. C.

SUMMARY
The SCADA system has been built, with not only the IEC 61850 protocol erection of electrical equipment used in the new monitoring system, but also conducive to future owners for compatibility and expansion of old systems. System architecture implemented in this thesis provides planning and installation references of SCADA system in other industries.

Keywords：IEC 61850, SCADA, HMI, IED, RTU

INTRODUCTION
The purpose of the thesis is to plan and establish the IEC 61850 protocol structure and its application in the power supervisory control and data acquisition (SCADA) system in a petrochemical plant. This Citect SCADA system diagram-control based software constructs man-machine interface (HMI) and, fiber integration of internal spacer (Bay Level) all high-voltage control panel via Ethernet intelligent electronic devices (IED), multi-function meter, and remote terminal unit (RTU), to form a complete solution in the petrochemical plant substation control system.
MATERIALS AND METHODS
We integrated the IEDs from different manufactures, but them must follow the IEC 61850 standards. Each IED must program by their software to icd. file. Then combined to scd. file with single line diagram. We use the Citect software for integrating all IEDs and show the condition in SCADA system. To collect the third parties electrical signal by PLC that include UPS, DC charger, TR temperature signal, …etc. Equipment manufacturers have their own protocol equipment, so it’s hardly to combine and there is the risk of incompatibility. We perform this task to use "communication networks and systems communications protocol within the substation -IEC 61850" and product features designed to integrate planning.
RESULTS AND DISCUSSION
SCADA characteristic description : (1). Distributed Server-Client architecture. (2). Ring type network architecture. (3). To integrate the components by Ethernet TCP/IP. (4). System stability – Redundancy technology. (5). System expansion. Power SCADA is combined computer, monitoring and control technology that it can gain power condition with supervise, protection, measuring, control and communication function. There are many screens that include power system single line diagram, architecture diagram, equipments layout, SCADA architecture diagram, alarm report, chain chart, IEDs information and operation, relay protection coordination curve, power report, …etc.
CONCLUSION
The purpose of the thesis is to plan and establish the IEC 61850 protocol structure and its application in the power supervisory control and data acquisition (SCADA) system in a petrochemical plant. A research object in this paper is to use the traditional petrochemical plant. The electrical equipment aging and difficult to maintain condition, how to build a new power monitoring system to implement effective energy management control, and to improve the safe and reliable operation of the power system purpose. Therefore, power monitoring system set up because the plant capacity utilization improved and opportunities for improvement in electricity planning design. It can improve the power stability and efficiency of the production operation of this plant, and also reduce the human waste and errors of the job.

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