Methods for mounting or dismounting a wind turbine component of a multirotor wind turbine

    公开(公告)号:US11365714B2

    公开(公告)日:2022-06-21

    申请号:US16061140

    申请日:2016-12-15

    Abstract: A method for mounting or dismounting a wind turbine component of an energy generating unit in a multirotor wind turbine is disclosed. The multirotor wind turbine comprises a tower configured to support one or more load carrying structures each arranged for supporting at least two energy generating units arranged at or near its ends and at opposite sides of the tower. The method comprises securing the load carrying structure against up and down tilting movements before positioning or dispositioning the wind turbine component at an end of the load carrying structure thereby reducing the loadings arising from the unbalance caused by the positioning or dispositioning the wind turbine component. The securing may be realized by compression bars, tethering, or the use of a counterweight.

    Method for controlling a tip height of a wind turbine

    公开(公告)号:US11333128B2

    公开(公告)日:2022-05-17

    申请号:US17260020

    申请日:2019-07-16

    Abstract: The present invention relates to a method for operating a wind turbine (1). The wind turbine (1) comprises one or more wind turbine blades (5), each wind turbine blade (5) being connected to a blade carrying structure (4) mounted on a hub (3), via a hinge (6) at a hinge position of the wind turbine blade (5), each wind turbine blade (5) thereby being arranged to perform pivot movements relative to the blade carrying structure (4) between a minimum pivot angle and a maximum pivot angle. The method comprises the steps of detecting an airborne object entering a predefined zone around the wind turbine (1), comparing a current tip height (H) of the wind turbine (1) to a maximum tip height value, the maximum tip height value representing a maximum allowable tip height under currently prevailing conditions. In the case that the current tip height (H) exceeds the maximum tip height value, a pivot angle (P) of wind turbine blades (5) is adjusted in order to decrease the tip height (H) of the wind turbine (1) to a value below the maximum tip height value.

    A LOGISTICS SYSTEM FOR A MULTIROTOR WIND TURBINE

    公开(公告)号:US20220056890A1

    公开(公告)日:2022-02-24

    申请号:US17285217

    申请日:2019-11-13

    Abstract: A logistics system for a multirotor wind turbine (1) is disclosed. The multirotor wind turbine (1) comprises two or more energy generating units (4), each mounted on an arm (3) extending from a tower (2) of the multirotor wind turbine (1). A transport system (14, 30, 31, 32, 33, 34, 36) interconnects a lower interior part of the tower (2) with each of the energy generating units (4). A plurality of transport containers (15) is connectable to the transport system (14, 30, 31, 32, 33, 34, 36) and configured to hold equipment (26) to be transported. A control unit is configured to receive information regarding contents and position of the transport containers (15), and to plan transport of the transport containers (15) via the transport system (14, 30, 31, 32, 33, 34, 36), based on a service plan for the multirotor wind turbine (1).

    Multirotor wind turbine with guy wires

    公开(公告)号:US11181097B2

    公开(公告)日:2021-11-23

    申请号:US16610724

    申请日:2018-06-12

    Abstract: A multirotor wind turbine (1) comprising a tower structure (2) and at least one load carrying structure (3), each load carrying structure (3) being arranged to carry two or more energy generating units (5), is disclosed. The wind turbine (1) further comprises a yawing arrangement (6) comprising a first part (9) being fixedly connected to the tower structure (2) and a second part (10) being fixedly connected to at least one of the load carrying structure(s) (3). The first part (9) and the second part (10) are configured to perform rotating movements relative to each other, thereby allowing the load carrying structure (3) to perform yawing movements relative to the tower structure (2). At least one guy wire (7) is connected between an anchoring point (8) at the ground and the first part (9) of the yawing arrangement (6). The invention further provides a yawing arrangement (6) for such a multirotor wind turbine (1).

    A WIND TURBINE WITH A CABLE SUPPORTING STRUCTURE

    公开(公告)号:US20200088168A1

    公开(公告)日:2020-03-19

    申请号:US16470643

    申请日:2017-12-04

    Abstract: A wind turbine (1) comprising a tower structure comprising a main tower part (2) extending along a substantially vertical direction and at least two arms(3) is disclosed. Each arm (3) extends away from the main tower part (2) along a direction having a horizontal component, and the arms (3) are arranged to perform yawing movements. Two or more energy generating units (4) are mounted on the tower structure in such a manner that each arm (3) of the tower structure carries at least one energy generating unit(4), each energy generating unit (4) comprising a rotor (5) with a hub carrying a set of wind turbine blades(6). The main tower part (2) is provided with a cable supporting structure (7) allowing power cables (8) of a power grid to be mounted on the main tower part (2).

    A WIND INSTALLATION COMPRISING A WIND TURBINE AND AN AIRBORNE WIND ENERGY SYSTEM

    公开(公告)号:US20200080540A1

    公开(公告)日:2020-03-12

    申请号:US16606884

    申请日:2018-05-04

    Abstract: A wind installation comprising a wind turbine (1) and an airborne wind energy system (12, 13), e.g. in the form of a kite (12) or a glider (13) is disclosed. The wind turbine (1) is electrically connected to the power grid via a power transmission line (27). The wind installation further comprises an airborne wind energy system (12, 13), e.g. in the form of a kite (12) or a glider (13), for generating electrical energy. The airborne wind energy system (12, 13) comprising a separate generator is coupled to the wind turbine (1) via a cable (6) and the separate generator is electrically connected to the power transmission line (27).

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