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Online Security Checking and its visualization applications

Author: WangGang
Tutor: JiaHongJieï¼›WangHaiLin
School: Tianjin University
Course: Electrical Engineering
Keywords: Security Check Load Forecasting Visualization Plug and Play
CLC: TM715
Type: Master's thesis
Year: 2010
Downloads: 70
Quote: 0
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Abstract


With the power system interconnection and electricity market-oriented development, making the electric power the system's behavior more and more complex , the operating point getting closer and closer safety the stability boundary , extremely easy to occur security and stability problem . Through the pre- postulated accident set for security checking analysis, timely detection system is running security risks, take timely and appropriate control measures , to a certain extent, to avoid the operation of large-scale accidents. According generation scheduling and load forecast data , steady-state security checking to ensure that n-1 under the principle of network security and stable operation , where there is bus overvoltage , branch flows or transformer overload condition is required for the current power plan amendment , if necessary, to take load shedding measures until meet the requirements. With the development of computer technology and visualization techniques in power system applications, the safety analysis based on a vivid image visualization technology the problem described, can help operators in the shortest time intuitively and accurately grasp the power system is the most critical and most the core of the problem , such that the power system staff efficiency is greatly improved , and therefore have important research value . Online Safety check study, load forecasting precision, and accuracy of the largely determine the right contingency set security checking the correctness and accordingly given scheduling adjustments and crew open stop and suggestions will be affected and, more serious cause erroneous load shedding . With the of the electricity market in-depth development, the modern short - term load forecasting the accuracy of the and quasi- degrees 's requirements are also become more stringent , this article first of all pairs of load forecasting technology development carry on summary. Combined Tianjin Electric Power Company \and trend analysis tools , based on based on plug -in application framework , the completion of the actual operation of power grid online security check function module development . The function module has been successfully integrated into the online monitoring system, and has been in the field has been applied .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Theory and Analysis > Power system planning
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