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The Research of the Accuracy Reflected by CPS Indicator in the FM of Regional Control

Author: RenLiNa
Tutor: LiWeiDong
School: Dalian University of Technology
Course: Proceedings of the
Keywords: Automatic Generation Control CPS Interconnected power system MATLAB / SIMULINK Model simulation
CLC: TM732
Type: Master's thesis
Year: 2008
Downloads: 128
Quote: 3
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Abstract


The basic tasks of power system operation is to ensure that power generation and supply balance, to provide users with reliable, high-quality energy. The grid frequency is an important indicator to measure power quality, reflects the balance between the generation of active power and load power is an important control parameter in the operation of the power system, and the user power equipment and power equipment and their own safety and efficiency are closely relationship. With the rapid development of China's power industry, the regional power grid interconnection has become a reality. Interconnected power system can give full play to the advantages of the Incident Support, and enhance the ability of the system to resist risks, can play a more effective advantage of the grid. Automatic load frequency control of power generation control (including primary and secondary FM), the power system to maintain the active power balance in the system to ensure frequency stability in the ratings nearby. A long time, China's power sector has been in the interconnected power system A series of standards each control area to evaluate the performance of supply and demand. In 1998, NERC (North American Electric Reliability Council) to develop standard CPS (Control PerformanceStandard), the standard is based on mathematical statistical methods to develop and control the operation and management and assessment standards in recent years gradually widely accepted as the frequency and tie-line power, in all regions of the country the grid gradually began the trial this standard. Analysis of CPS1 found the evaluation index has a separate system (?) ~ 2 entries, the system frequency is adjusted results of the entire system multi-zone, the presence of this has the potential to regional regulation performance system Overall submerged the CPS1 indicators may not accurately measure the area of ??a secondary frequency performance, it is necessary to study in depth when the region has a different control performance CPS1 indicators can accurately reflect First, the secondary frequency performance. First understand the primary and secondary FM mechanism based on analysis of the CPS1 indicators to control the effect of regional FM reflect. And then create the ability to accurately simulate the actual interconnected system simulation model of the two regions, and then use this simulation model investigated under real load fluctuations when an area once or twice a separate FM performance changes the CPS1 appraisal value of the two regional final simulation results that the CPS indicators not be able to accurately separate the area once or twice FM performance evaluation. CPS standard in-depth analysis, the present work provides the strongest evidence trial CPS standard in exploratory work provides some reference for China's regional power grid, in order to seek further regional primary and secondary frequency adjustment ability to accurately evaluate the early preparatory work.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system scheduling, management, communication > The operation of the power system
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