OFFSHORE WIND TURBINE SUPPORT STRUCTURE MONITORING SYSTEM AND OPERATING METHOD THEREOF

20190218738

16/231437

December 22, 2018

An offshore wind turbine support structure monitoring system and operating method are disclosed, comprising an offshore wind turbine, at least one state detection module, a data acquisition module, a data storage module, a network transmission module and at least one client. Thus, the maintenance of offshore wind turbines can be monitored directly and instantly to estimate the maintenance period, adjust the optimal operation and maintenance strategy, and save the cost.

1. An offshore wind turbine support structure monitoring system, comprising: an offshore wind turbine; at least one sensor module configured on the offshore wind turbine; a data extraction module connected with the at least one sensor module; a data storage module connected with the data extraction module; a network transmission module connected with the data extraction module; and at least one terminal connected with the network transmission module.

2. The offshore wind turbine support structure monitoring system as claimed in claim 1, wherein the offshore wind turbine comprises: a pile foundation module configured on sea floor; a jacket connected with the pile foundation module, wherein the jacket is set in the sea; a platform connected with the jacket, wherein the platform is above the sea; a tower connected with the platform; and a nacelle connected with the tower as well as a plurality of blades.

3. The offshore wind turbine support structure monitoring system as claimed in claim 2, wherein the at least one sensor module is at least two acceleration sensors, at least two strain sensors, at least two electrical resistance sensors, at least two coating impedance sensors, at least two temperature sensors, at least one inclinometer or a combination thereof.

4. The offshore wind turbine support structure monitoring system as claimed in claim 3, wherein each of the at least one sensor module further comprises a signal extractor connected with each of the at least two acceleration sensors, each of the at least two strain sensors, each of the at least two electrical resistance sensors, each of at least two coating impedance sensors, each of the at least two temperature sensors or each of the at least one inclinometer; wherein each of the signal extractors is connected with the data extraction module.

5. The offshore wind turbine support structure monitoring system as claimed in claim 4, wherein the at least two acceleration sensor comprising: at least one first acceleration sensor configured on an inner wall of the tower which reaches the nacelle; at least one second acceleration sensor configured on the inner wall of the tower which is between the nacelle and the platform; at least one third acceleration sensor configured on the inner wall of an engagement of the platform and the tower; and at least one fourth acceleration sensor configured on the jacket; wherein the at least one first acceleration sensor, the at least one second acceleration sensor and the at least one third acceleration sensor are configured on an axis, and at least one fifth sensor is configured away from the axis.

6. The offshore wind turbine support structure monitoring system as claimed in claim 4, wherein the jacket further comprises: at least three legs connected with the pile foundation module; and a plurality of braces configured between the at least three legs.

7. The offshore wind turbine support structure monitoring system as claimed in claim 6, the at least two strain sensor comprising: at least two first strain sensors configured on bottom of the at least three legs; at least one second strain sensor configured on the plurality of braces and upper portion of the at least three legs; and at least one third strain sensor configured in the inner wall of the tower which reaches the engagement of the tower and the platform.

8. The offshore wind turbine support structure monitoring system as claimed in claim 3, wherein the at least two electrical resistance sensors are configured under 0 to −10 meters of lowest astronomical tide of the offshore wind turbine.

9. The offshore wind turbine support structure monitoring system as claimed in claim 3, wherein the at least two coating impedance sensors are configured above 0 to 5 meters of highest astronomical tide of the offshore wind turbine.

10. The offshore wind turbine support structure monitoring system as claimed in claim 4, the at least two temperature sensors comprising: at least one first temperature sensor configured on the offshore wind turbine under water; and at least two second temperature sensors configured on the offshore wind turbine above water.

11. The offshore wind turbine support structure monitoring system as claimed in claim 4, wherein the at least one inclinometer is configured on the platform or inside the tower.

12. An operating method of an offshore wind turbine support structure monitoring system, comprising: step (a) for providing the offshore wind turbine support structure monitoring system as claimed in claim 1; step (b) for detecting at least one kind of instant data of an offshore wind turbine via at least one sensor module; step (c) for integrating the at least one kind of instant data by a data extraction module, and forming at least one kind of history data by saving the at least one kind of instant data in a data storage module; step (d) for transmitting the at least one kind of instant data or the at least one kind of history data saved in the data storage module to a network transmission module by the data extraction module; and step (e) for reporting the at least one kind of instant data or the at least one kind of history data to the at least one terminal by the network transmission module.

13. The operating method of an offshore wind turbine support structure monitoring system as claimed in claim 12, wherein the at least one kind of instant data comprises at least one kind of acceleration data, at least one kind of strain data, at least one kind of electrical resistance data, at least one kind of coating impedance data, at least one kind of temperature data, at least one kind of tilt data or a combination thereof.

02; 03; 03; 02; 02; 01; 01; 01; 01

edspap.20190218738