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Evaluation of Medium Voltage Distribution Network Structure Based on Theories of Complex Networks

Author: LinMaoSheng
Tutor: YangLiZuo
School: Zhengzhou University
Course: Proceedings of the
Keywords: Medium Voltage Distribution Network Network structure Invulnerability Complex networks Differentiated design
CLC: TM645
Type: Master's thesis
Year: 2011
Downloads: 66
Quote: 1
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Abstract


With the deepening of the power grids , the study of the theory of medium voltage distribution network planning further development , rich . Determining the structure of the network , determines the medium voltage distribution network the most essential things , their ability to provide safe and high-quality electricity services is of great significance , making the choice of the network structure to become medium voltage distribution network planning process in an urgent solution problems. How to choose a high-security , high quality of power supply , high-tech performance modern medium voltage distribution network structure to meet the needs of the development of the times , to meet the requirements of modernization has been the choice of the network structure , we must solve the problem . The reality of the network structure by the region's economic development , load density , geographical environment , corridor limit , line cable , distribution automation , distributed power access many factors to withstand severe natural disasters , funding constraints . Voltage distribution network structure selection problem solve , do the following: ( 1 ) the establishment of a medium voltage distribution network is typically a collection of network structure , and combined with the actual city cable and network automation , distributed power access point net situation and development trend of the summary of the characteristics of the network structure , the nature , the scope of application . ( 2 ) study the impact of factors that affect the network structure selected . Summarize the main influencing factors of the network structure of the nature of users , the geographical environment on the basis of , pressure distribution network design scene differentiated design , design principles , designed to differentiate design theory , a reasonable choice of the network architecture to provide the necessary premise. (3) Based on the theory of complex networks , has been the reliability of the network structure assessment indicators - Invulnerability , and establishment of medium voltage distribution grid network structure survivability model , the structure of a typical network survivability assessment . (4 ) differentiated design constraints and achieve economic , invulnerability indicators calculation , taking into account the impact of the new situation , and incorporated into the assessment index system ; using the analytic hierarchy process , fuzzy comprehensive assessment method of combining network structure quantitative assessment of development consistent with the times , the optimal network structure actually consistent with local .

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CLC: > Industrial Technology > Electrotechnical > Power generation, power plants > Distribution equipment and electrical wiring > Electrical wiring,electrical wiring system
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