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Research on the Fast Calculating Method of Transient Stability Constrained Power Transfer Limits

Author: LiYue
Tutor: GuXuePing
School: North China Electric Power University
Course: Proceedings of the
Keywords: Static stability limit transmission power Transient stability limit transmission power Fault surge power Security control strategy Online Application
CLC: TM712
Type: Master's thesis
Year: 2011
Downloads: 40
Quote: 0
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Abstract


Due to the large - scale grid interconnection , inter-regional power exchange capacity have a huge impact for the security and stability of the grid . Therefore , to accurately and quickly determine the contact line between the transient stability constraints limit the transmission power , control the transmission section running in , be needed to solve an important problem of the current power system transient stability within the limits . This article by analyzing the contact line transient stability limit transmit power failure after the amount of the remaining impact of the power of the contact line , and after the accident the remaining contact line static stability of the relationship between the transmission power limit , proposed a quick strike contact line transient stability limit transmission the power of the new method. Transmission power limit of the static stability of seeking to remove the accident , just a simulation can be drawn tie line transient stability limit transmission power . The proposed method is suitable for large-scale power system has broad applicability in engineering calculations quickly estimate the area between the transient stability limit transmission power , cross-section estimates for the engineering and technical personnel a transient stability limit transmission power new methods. This method overcomes the existing calculation method the deficiencies of the stability limit is required through repeated simulation approximation with other strike temporarily stable transmission power limit of the method , compared with a simple operation, and calculate the advantages of high precision . The example shows that the proposed method can fully meet the requirements of engineering applications , reliability , effectiveness and computational efficiency , with the prospect of a wide range of engineering applications . Finally, the article describes the application of the enactment of the security control measures as well as online security and stability analysis .

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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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