Shake Table Test on 1100kv Gis Bushing-Support Frame System
Abstract eng: With the increase of the voltage, the substation equipment usually made of porcelain is more vulnerable subjected to severe earthquakes. In order to evaluate the seismic performance of the ultra-high voltage (UHV) gas insulated switchgear (GIS) bushing-support frame system, in this paper, shake table tests on a full-scale 1100kV GIS bushing with real support frame and canister for electrical device for alternating current (AC) was carried out. At the critical parts of the system, the dynamic responses were measured. The results indicate that the dynamic properties of the system were changed obviously under different levels of input ground motion with peak ground accelerations less than 0.15g. After retrofitting the frame, the system was retested under the input ground motion of which peak ground acceleration (PGA) is 0.4g and the dynamic properties of the system changed slightly. There wasn’t any visible mechanical damage to the bushing. The damping ratio of the bushing-support frame system is small and the amplification factors of the supporting frame is larger than that specified in relevant specifications.
Contributors:
Conference Title:
Conference Title:
16th World Conference on Earthquake Engineering
Conference Venue:
Santiago (CL)
Conference Dates:
2017-01-09 / 2017-01-13
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.
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Record created 2017-01-18, last modified 2017-01-18
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