我国电力系统的地震灾害及应对机制
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摘要
分析了5.12汶川地震中电网的震害特点和震害原因,阐述了我国电力系统抗震研究的现状,以及各类电力设施在自身结构特点和抗震设计方法中存在的缺陷.结合国外电力系统在应对地震灾害时的应急响应和震后快速恢复方法,提出了对我国现有电力设施进行抗震性能普查、薄弱环节进行抗震加固和重建改造,以及建立相应的应急响应机制的一系列措施.
The malfunction of the anti-seismic design in electric power grid and its damages to electric power grid under 5·12 Wenchuan Earthquake are reviewed and the disaster causes are analyzed.Then,some drawbacks of the current electric power equipment and its anti-seismic design methods are summarized.Several new measures and suggestions to strengthen such drawbacks are put forward.Finally,such measures as the anti-seismic capacity general survey for current electric power equipment,seismic reinforcement for weak link and building a emergency response for electric power system,are proposed.
The malfunction of the anti-seismic design in electric power grid and its damages to electric power grid under 5·12 Wenchuan Earthquake are reviewed and the disaster causes are analyzed.Then,some drawbacks of the current electric power equipment and its anti-seismic design methods are summarized.Several new measures and suggestions to strengthen such drawbacks are put forward.Finally,such measures as the anti-seismic capacity general survey for current electric power equipment,seismic reinforcement for weak link and building a emergency response for electric power system,are proposed.
引文
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[2]吴惠中,周纪卿.KW4-500空气断路器地震响应分析[J].高压电器,1986(6):4-12.
[3]杨亚弟,张其浩.多柱式电器设备抗震分析[J].地震学刊,1988(8):21-27.
[4]李天.电力系统抗震可靠性分析研究[D].上海:同济大学,2001.
[5]文波,牛荻涛,张俊发,等.隔震技术在高压电力设施中的应用[J].工业建筑,2009(1):36-41.
[6]SONG Junho,Der KIUREGHIAN Armen,JEROME L,et al.Seismic response and reliability of electrical substationequipment and systems[R].PEER Report,University ofCalifornia,Berkeley,CA,2004:335-362.
[7]SONG Junho,Der KIUREGHIAN Armen,JEROME L,et al.Seismic interaction in electrical substation equipment connectedby non-linear rigid bus conductors[J].EarthquakeEngineering and Structural Dynamics,2007,36(2):167-190.
[8]SHAKHZOD M R Takhirov,GREGORY L.Seismic qualifica-tion and fragility testing of line break 550 kV disconnectdwitches[R].PEER Report,University of California,Berkeley,CA,2004:221-237.
[9]中华人民共和国建设部.建筑抗震设计规范(GB 50011—2001)[S].北京:中国建筑工业出版社,2001:89-91.
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