Experimental Investigations of the Seismic Performance of a Base-Isolated Uninterruptible Power Supply (UPS) through Shaking Table Tests

Table 5

Peak accelerations of the test specimens in Series A and B at different locations.

Specimens		Scaling factor (%)	Peak acceleration (g)
			UPS top		Control switch		Cooling system		Transformer
			X-dir.	Y-dir.	X-dir.	Y-dir.	X-dir.	Y-dir.	X-dir.	Y-dir.
Series A	4A	50	0.443	0.375	0.512	0.576	0.680	0.336	0.414	0.291
	5A	100	0.694	0.599	0.960	1.088	1.058	0.511	0.618	0.548
	9A	200	1.575	0.861	1.861	1.328	2.291	1.038	0.880	1.240
Series B	4B	50	0.210	0.209	0.196	0.214	0.253	0.216	0.181	0.262
	5B	100	0.418	0.385	0.316	0.339	0.442	0.360	0.296	0.338
	9B	200	0.926	0.928	0.668	0.730	0.897	0.833	0.570	0.675