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Singular Value Decomposition Method Applied to Sichuan Power Grid

Author: WuGuoLiang
Tutor: LiuJunYong
School: Sichuan University
Course: Proceedings of the
Keywords: Voltage stability Singular Value Decomposition Method Sichuan power grid Minimum singular value Singular vectors
CLC: TM712
Type: Master's thesis
Year: 2005
Downloads: 106
Quote: 1
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Abstract


Voltage stability as an important part of the power system stability , its contents and methods have greatly enriched the connotation of power system stability . Voltage stability study of the history of more than twenty years , the results continue to emerge . Static voltage stability study on the basis of summing up the results of previous studies consider a comprehensive model of the load , the static voltage stability study results of more practical significance , and singular value - based theory of the Sichuan power grid voltage static stability issues some exploratory work . This paper outlines the history and current status of research for voltage stability problems , a particular focus on the static voltage stability analysis method . The second chapter describes the mathematical principles of the singular value analysis , and elaborates on the theoretical basis of the singular value analysis is applied to the power system voltage stability analysis , will study a given problem into a system operating point voltage static stability margin studies to determine the corresponding Jacobian matrix close to the the singular extent of the problem . Proposed calculation method and the steps of the singular value analysis and details several important parameters of the minimum singular value of the singular value analysis algorithms and their corresponding singular vectors . Chapter try singular value analysis method was applied to the actual grid handling scientific computing method , combined with the continuous trend algorithm in a variety of operating conditions voltage static stability calculation , and strike the singular values ??and singular vectors the physical meaning of the analysis , draw useful conclusions . Chapter will increase against the previous chapter singular value analysis calculated the weak link of the Sichuan power grid reactive power compensation equipment capacity and corresponding policy control , re- increase the compensation amount based on singular value analysis and continuous flow calculation conclusions obtained support for the weak link of the system increased reactive system voltage static stability is significantly improved compared compensation was not the last chapter equipment , while verifying the correctness of the results of the earlier analysis , further calculated to take control measures voltage stability

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