高レベル地震動の位相特性が550kV気中断路器の振動応答特性に及ぼす影響分析

カテゴリ: 論文誌(論文単位)

グループ名: 【B】電力・エネルギー部門

発行日: 2015/12/01

タイトル(英語): The Influence Analysis that a Phase Characteristic of the High-level Earthquake Gives to Vibration Response Characteristic of the 550kV Disconnectors

著者名: 永田　清志（（株）東光高岳），大山　友幸（（株）東光高岳），佐藤　浩章（（一財）電力中央研究所　地球工学研究所），伊藤　智章（東京電力（株）工務部），衛藤　淳（東京電力（株）工務部），小林　隆幸（東京電力（株）工務部）

著者名(英語): Kiyoshi Nagata (TAKAOKA TOKO Co. LTD.), Tomoyuki Ohyama (TAKAOKA TOKO Co. LTD.), Hiroaki Sato (Central Research Institute of Electric Power Industry), Tomoaki Ito (The Tokyo Electric Power Company, Inc.), Atsushi Eto (The Tokyo Electric Power Company, Inc.), Takayuki Kobayashi (The Tokyo Electric Power Company, Inc.)

キーワード: 耐震設計基準，高レベル地震動，擬共振法，人工地震波，位相特性　　seismic design guideline，high-level earthquake，pseudo-resonance method，artificial seismic wave，phase characteristic

要約(英語): We developed the 550kV disconnectors that strengthened earthquake proofing by the addition of the damper unit and weight reduction of conductive part based on the damage of the 550kV disconnectors by the Great East Japan earthquake (March 11, 2011) and inspected the earthquake proofing performance by shake table test. In shake table test, we performed the test by the artificial seismic wave that varied in phase characteristic in addition to the test by resonance method. And, in a high-level earthquake area, we analyzed it about the influence that a phase characteristic of the artificial seismic wave gave to stress to occur in disconnectors. As a result, it is thought that the stress to occur in disconnectors is decided by a primary natural frequency basically because a bending strain to occur to the disconnectors in the time when the resonance frequency ingredient becomes the big acceleration response value grows big. But, on a particular phase condition, it was confirmed that the bending strain to occur in disconnectors might grow big conspicuously. As for this, the possibility is thought about by influence of higher natural frequency doing superposition.

本誌: 電気学会論文誌B（電力・エネルギー部門誌） Vol.135 No.12 （2015） 特集：静止器における解析技術の最新動向

本誌掲載ページ: 717-723 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/135/12/135_717/_article/-char/ja/