Study of shaking table test on seismic performance of large power transformer and the bushings
Cao Mei-gen1,2; Zhou Fu-lin1; Tan Ping1; Fan Rong-quan3; Lu Zhi-cheng2; Zhang Xue-song2
1．Guangdong Key Laboratory of Earthquake Engineering & Applied Technique(Guangzhou University)，Guangzhou 510405，China;
2. China Electric Power Research Institute of SGCC, Xuan Wu District, Beijing 100055, China;
3. Sichuan Electric Power corporation of SGCC, Chengdou 610041，Sichuan Province，China
Abstract：Earthquake damage experience at home and abroad shows that seismic performance of power transformer and the bushings is weak subjected to intensity earthquake as 5.12 Wenchuan great earthquake. At present, study on seismic performance of transformer and bushing by using shaking table test simulated earthquake is the most accurate and most advanced means. Consulting Chinese current transformer structure characteristic, one transformer experiment model are design. Actual porcelain bushing of 220 kV and 500 kV was mounted on the experiment model. Firstly, One new three grade guidelines about transformer seismic fortification are put forward. Secondly, dynamic characteristic on transformer and the bushing are tested by inputting white noise. Lastly, shaking table test simulated earthquake are developed by x-dir. or x-direction inputting actual seismographic record, artificial waves and resonant beat-wave seismic waves, etc. Seismic response time history curve and data of the key position for acceleration, displacement and strain were acquired. The seismic response regularity and characteristic are further found by analyzing a great deal of datum on seismic response of transformer and bushings. Certainly, The above testing and researchhave a great reference significance for the amendment of related seismic norms and improving and enhancing the seismic capacity and design of transformer-bushing system.
曹枚根;;周福霖;谭平;范荣全;卢智成;张雪松. 大型电力变压器及套管振动台抗震试验研究[J]. , 2011, 30(11): 122-129.
Cao Mei-gen;Zhou Fu-lin;Tan Ping;Fan Rong-quan;Lu Zhi-cheng;Zhang Xue-song. Study of shaking table test on seismic performance of large power transformer and the bushings . , 2011, 30(11): 122-129.
2011, Vol. 30 
