A matrix converter apparatus for wind-power generation according to an embodiment includes a matrix converter and a controller. The matrix converter is controlled by the controller so as to fully convert electric power generated in a generator by rotating ...

A resonance damping system for a wind turbine having a generator 118 connected to a power grid, the resonance damping system comprising an adaptive resonance damper 310, operable to provide a control signal for the generator 118, wherein the variable torqu...

It is described a method for controlling an electric device (117, 121, 123, 125, 127, 129) of a wind turbine (100), the method comprising: receiving a state signal (f) of a utility grid (115) electrically connected to the electric device; and controlling a...

Reactive power is supplied in accordance with a reactive-power supply instruction from a power grid while ensuring a variable-speed range of a wound-rotor induction generator. A variable-speed power generator (1) includes a prime mover that generates motiv...

A variable speed wind turbine is provided. The wind turbine comprises a generator, a power converter for converting at least a portion of electrical power generated by the generator wherein the power converter comprises a generator side converter, a grid s...

The wind power plant comprises a wind rotor (12), and an asynchronous generator (14) that has a converter (15) and a control unit (2). A frequency-adaptive torque limiter is provided, which has a classifier for an over- or under frequencies, a moment slide...

The method involves setting the electrical power of the wind park or one or more wind power systems in a range of 0 to 100 per cent of the available power by means of a data processing device connected to at least one wind power system control input. The d...

A variable speed wind turbine having a generator controller coupled to a power converter with active switches operable for controlling stator electrical quantities for a multiphase generator of the turbine to enable control of the torque in the wind turbin...