Abstract: A method is for mounting an object, such as a line sensor, to a power line. The method includes: i) suspending and tensioning at least two ropes between a physical ground and a power line; ii) coupling a rope robot with the at least two ropes in such a way that the rope robot can climb up and down the at least two ropes in operational use; iii) providing an object on the rope robot; iv) making the rope robot climb up to the power line to bring the object close to the power line; v) mounting the object to the power line with the rope robot, and vi) decoupling the rope robot from the object and making the rope robot climb down the at least two ropes. A rope robot is disclosed for carrying out this method.

Abstract: A system is for monitoring a power distribution network having mast constructions carrying at least one power line. The system has at least two smart modules, each being affixed to a respective mast construction and designed for wireless communication with each other for forming a main wireless communication network along the power line. The system has a sensor system affixed to a respective one of the mast constructions. The sensor system is designed for determining at least one quantity or event of the network and for communicating the quantity or event to a respective smart module, which are designed for communicating information associated with the quantity or event along the network, for being remotely monitored. The smart modules are placed outside the Live working and Vicinity zones in accordance with the EN50110-1 standard for power networks, and at least one sensor system is contained in each smart module itself.

Abstract: A wind turbine is provided, having a wind turbine tower and at least one rotatable blade, and further comprising a system for measuring rotor blade vibration of said wind turbine. The system comprises at least one Doppler radar unit operatively configured to emit and receive radar signals, the radar unit being mounted on the wind turbine tower at a position above the lowest position of the at least one blade, the radar unit being positioned so as to measure reflections of an emitted radar signal from the turbine blade. A processing unit is configured to receive measurement data from the radar unit and to determine, by analysis of Doppler shift in received radar signals relative to transmitted signals due to movement of the blade towards or away from the turbine tower, the velocity of the blade in the direction towards or away from the turbine tower.

Abstract: A wind turbine (1) is provided, having a wind turbine tower (2) and at least one rotatable blade (5), and further comprising a system for measuring rotor blade vibration of said wind turbine. The system comprises at least one Doppler radar unit (7) operatively configured to emit and receive radar signals, the radar unit being mounted on the wind turbine tower at a position above the lowest position of the at least one blade, the radar unit being positioned so as to measure reflections of an emitted radar signal from the turbine blade. A processing unit is configured to receive measurement data from the radar unit and to determine, by analysis of Doppler shift in received radar signals relative to transmitted signals due to movement of the blade towards or away from the turbine tower, the velocity of the blade in the direction towards or away from the turbine tower.

Abstract: A wind turbine is provided, having a wind turbine tower and at least one rotatable blade, and further comprising a system for measuring rotor blade vibration of said wind turbine. The system comprises at least one Doppler radar unit operatively configured to emit and receive radar signals, the radar unit being mounted on the wind turbine tower at a position above the lowest position of the at least one blade, the radar unit being positioned so as to measure reflections of an emitted radar signal from the turbine blade. A processing unit is configured to receive measurement data from the radar unit and to determine, by analysis of Doppler shift in received radar signals relative to transmitted signals due to movement of the blade towards or away from the turbine tower, the velocity of the blade in the direction towards or away from the turbine tower.

Abstract: A wind turbine (1) is provided, having a wind turbine tower (2) and at least one rotatable blade (5), and further comprising a system for measuring rotor blade vibration of said wind turbine. The system comprises at least one Doppler radar unit (7) operatively configured to emit and receive radar signals, the radar unit being mounted on the wind turbine tower at a position above the lowest position of the at least one blade, the radar unit being positioned so as to measure reflections of an emitted radar signal from the turbine blade. A processing unit is configured to receive measurement data from the radar unit and to determine, by analysis of Doppler shift in received radar signals relative to transmitted signals due to movement of the blade towards or away from the turbine tower, the velocity of the blade in the direction towards or away from the turbine tower.

Abstract: The present invention provides, among other things, antenna beam control devices, systems, architectures, and methods for radar and other applications, such as wireless communications, etc., to improve transmit and/or receive performance of the devices and systems employing such antennas by deploying beam control elements (20) to increase antenna gain at an angle less than a first angle relative to the antenna gain at angle greater than a first angle. Beam control elements are deployed in combination with the one or more antennas (12) in various systems of the present invention, such that the impact of reflected radiation from wind mill, communication, or other towers supporting the system or other nearby structures, as well as radiation from nearby wireless communication networks is decreased to an acceptable level. The beam control elements can include absorbing and reflective material and can be placed in the antenna near field to minimize costs.

Abstract: The present invention provides, among other things, antenna beam control devices, systems, architectures, and methods for radar and other applications, such as wireless communications, etc., to improve transmit and/or receive performance of the devices and systems employing such antennas by deploying beam control elements (20) to increase antenna gain at an angle less than a first angle relative to the antenna gain at angle greater than a first angle. Beam control elements are deployed in combination with the one or more antennas (12) in various systems of the present invention, such that the impact of reflected radiation from wind mill, communication, or other towers supporting the system or other nearby structures, as well as radiation from nearby wireless communication networks is decreased to an acceptable level. The beam control elements can include absorbing and reflective material and can be placed in the antenna near field to minimize costs.

Abstract: An enclosure construction for fish breeding which comprises two rows of rectangular fish enclosure frames (10) coupled together, which are each constructed of longitudinal and transverse frame members (11-14) and mutually connected to each other via horizontal pivot bearings by way of certain of the frame members which are common to two or more frames (10). A central longitudinal frame member (11) which is common to frames (10) adjoining in pairs is connected at the ends to a joint point-forming frame member (14) which in addition to fastening the central longitudinal frame member or a pair of central, longitudinal frame members (11) also forms a fastening for transverse frame members (13) at a distance outside the central, longitudinal frame member (11).