Research Article
Experimental Investigations of the Seismic Performance of a Base-Isolated Uninterruptible Power Supply (UPS) through Shaking Table Tests
Table 3
Input and test protocol for PGA.
| | Test no. | Input levels | Scaling factor (%) | PGA (g) | | Series A | Series B | X-dir. | Y-dir. | Z-dir. |
| | 1A-3A | 1B-3B | Random input signal, 1 Hz–50 Hz | — | — | — | — | | 4A | 4 B | AC156_50 | 50 | 0.12 (0.13) | 0.15 (0.16) | 0.09 (0.11) | | 5A | 5 B | AC156_100 | 100 | 0.21 (0.24) | 0.32 (0.33) | 0.18 (0.19) | | 6A-8A | 6B-8B | Random input signal, 1 Hz–50 Hz | — | — | — | — | | 9A | 9 B | AC156_200 | 200 | 0.44 (0.44) | 0.69 (0.69) | 0.36 (0.37) | | 10A-12A | 10B-12B | Random input signal, 1 Hz–50 Hz | — | — | — | — |
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The values in parentheses belong to the test specimens in Series B. |
