電氣設(shè)備抗震設(shè)防水準(zhǔn)研究 

鐘珉，房正剛 
中國電力科學(xué)研究院，北京 100055 
 

摘 要：考慮到電氣設(shè)備在電網(wǎng)系統(tǒng)中的重要作用，現(xiàn)行的抗震設(shè)防水準(zhǔn)已不足以保證其安全性，電氣設(shè)備的抗震設(shè)防水準(zhǔn)有待進(jìn)一步提高。通過對(duì)比國內(nèi)不同工程抗震規(guī)范和國內(nèi)外電氣設(shè)備抗震規(guī)范的規(guī)定，明確目前電氣設(shè)備抗震設(shè)防的不足，建議電氣設(shè)備的抗震設(shè)防水準(zhǔn)取為50 年超越概率2%。結(jié)合不同設(shè)防烈度區(qū)數(shù)十個(gè)典型地區(qū)地震危險(xiǎn)性分析，提出了建議的抗震設(shè)防水準(zhǔn)對(duì)應(yīng)的峰值加速度取值，并通過對(duì)比不同電氣設(shè)備抗震規(guī)范中加速度取值對(duì)應(yīng)的超越概率水平，驗(yàn)證了該取值的合理性。
關(guān)鍵詞：電氣設(shè)備；抗震設(shè)防；抗震規(guī)范；地震危險(xiǎn)性分析
中圖分類號(hào)：TM08；TM63 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2013)10-0054-05

Study on Seismic Fortification Level of Electrical Equipment 

ZHONG Min, FANG Zheng-gang 
China Electric Power Research Institute, Beijing 100055, China 
 

Abstract: Considering that electrical equipment plays an important role in power distribution system, and that the current seismic fortificationlevel is not enough to guarantee their safety, this paper raised to further improve the seismic fortification level of electrical equipment. The comparison of different engineering seismic codes and electrical equipment seismic codes at home and abroad showed the lack of seismic fortificationof current electrical equipment. It is recommended that the seismic fortification level of electrical equipment is taken as exceeding probability of 2% in 50 years. Combined with seismic risk analysis of ten typical regions in different fortification intensity Districts, this paper proposed the peak acceleration values corresponding to suggestive seismic fortification level. The values are verified to be reasonable by contrasting the exceeding probability level corresponding to the peak acceleration values in different electrical equipment seismic codes.
         Key words: electrical equipment; seismic fortification; seismic codes; seismic risk analysis

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