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AC hv test equipment cooperative earthquake resistance test was held in Chongqing


Reporters learned from the State Grid Corporation, recently, the company carried out the world's first special AC hv test equipment combined seismic and shock tests successfully passed in Chongqing, marking China's UHV equipment shock, vibration research work made important results.
March 27 to 28, the joint seismic and shock tests in Chongqing Communications Research and Design Institute. According to reports, test bench using two seismic array system composed of units, equipment rooms with a diameter of 250 mm of aluminum conductors, span of 8.5 meters. Experimental results show that the tubular conductor connection UHV equipment combined system can meet the 8 degree earthquake (0.2g) fortification requirements damping device installed after UHV equipment to meet the 9 degree earthquake (0.4 g) the requirements for fortification. fully verify the substation outlet high resistance circuit optimization design feasibility and equipment seismic performance, for subsequent UHV substation design and equipment selection of structural, seismic and shock absorption technology research has guiding significance.
Our country is earthquake-prone countries, substation equipment seismic capacity is directly related to the safe and reliable electricity supply. UHV equipment with a large, high, soft, weight and other structural features, connecting conductors and gold with a large force, seismic requirements for equipment and more is demanding in order to study its role in the earthquake mutual coupling effects, on the one hand to conduct seismic tests monomer UHV equipment, on the other hand also through joint seismic true-type testing equipment to verify.

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