Research Article
A Comparative Study on Frequency Sensitivity of a Transmission Tower
Table 1
Dynamic properties of the transmission tower.
| | Number | Natural frequency
(Hz) | Properties of the mode shape |
| | 1.736 | 1st global vibration mode in the direction | | 1.759 | 1st global vibration mode in the direction | | 2.63 | 1st global torsional vibration mode | | 3.541 | 2nd global vibration mode in the direction | | 3.961 | 2nd global vibration mode in the direction | | 4.26 | 2nd global torsional vibration mode | | 4.849 | Local vibration mode of the platform | | 5.767 | 3rd global vibration mode in the direction |
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