초록 ▼

This invention is intended to provide a wind power generator system or method for controlling a wind power generator system, designed to implement switching-initiated smooth energy changeover without leading to a complex system configuration. The method of controlling a wind power generator system a

This invention is intended to provide a wind power generator system or method for controlling a wind power generator system, designed to implement switching-initiated smooth energy changeover without leading to a complex system configuration. The method of controlling a wind power generator system according to an aspect of the invention, wherein the generator system includes a wind turbine that uses wind to generate electric power and a control device that controls the wind turbine, is a control method designed so that when the wind turbine is generating power, the turbine drives the control device by use of the turbine-generated power, irrespective of an electric power system state.

대표청구항 ▼

1. A wind power generator system comprising: a wind turbine including, in addition to a bladed rotor that uses wind to rotate, a power generator that generates electric power by rotating a rotor of the generator by a rotating force of the bladed rotor; anda control device that controls the wind turb

1. A wind power generator system comprising: a wind turbine including, in addition to a bladed rotor that uses wind to rotate, a power generator that generates electric power by rotating a rotor of the generator by a rotating force of the bladed rotor; anda control device that controls the wind turbine, wherein the power generator includes a stator coil in which supply power to an electric power system is generated, and an auxiliary coil wound around a same slot as that on which the stator coil is wound; andthe electrical energy generated from a main coil which is the stator coil, or electrical energy supplied from the electric power system, and electrical energy generated from the auxiliary coil are electrically coupled to each other, with the two of electrically coupled energy being used to drive the control device. 2. The wind power generator system according to claim 1, wherein: the power generator is an excitation type of generator, the excitation type of generator being electrically connected to the generator itself or the electric power system and covering an excitation current by either electric power which the generator generates in itself or electric power supplied from the electric power system. 3. The wind power generator system according to claim 1, wherein: the power generator is a permanent-magnet type of generator. 4. The wind power generator system according to claim 1, wherein: a switch is provided between the electric power system and a position at which the electrical coupling is conducted, the switch opening or closing an element of the switch, depending upon a voltage of the electric power system. 5. The wind power generator system according to claim 4, wherein: the switch is a thyristor switch. 6. A wind power generator system comprising: a wind turbine including a bladed rotor that uses wind to rotate, and a power generator that generates electric power by rotating a rotor of the power generator by a rotating force of the bladed rotor;a control device that controls the wind turbine; andan auxiliary power generator, wherein an AC voltage generated by the auxiliary power generator is electrically coupled under an in-phase state via phase control means to either an AC voltage generated by the power generator or an AC voltage supplied from an electric power system, the electrically coupled power being used to drive the control device. 7. A wind power generator system comprising: a wind turbine including a bladed rotor that uses wind to rotate, and a power generator that generates electric power by rotating a rotor of the power generator by a rotating force of the bladed rotor;a control device that controls the wind turbine;an auxiliary coil provided on, or an auxiliary power generator connected to, the power generator;a first rectification circuit that converts either AC power developed in the power generator, or AC power supplied from the electric power system, into DC power; anda second rectification circuit that converts AC power developed in the auxiliary coil or the auxiliary power generator, into DC power, wherein, the first rectification circuit includes a first AC terminal to which either the AC voltage developed in the power generator or the AC voltage supplied from the electric power system is applied, and a first DC voltage terminal to which the DC voltage obtained after the conversion is applied;the second rectification circuit includes a second AC terminal to which the AC voltage developed in the auxiliary coil or the power generator is applied, and a second DC terminal to which the DC voltage obtained after the conversion is applied;the first DC voltage terminal and the second DC terminal are electrically connected at a point of connection; andthe control device is connected to the point of connection and driven by the DC power obtained by any one of the rectification circuits after converting the voltage of the first AC terminal or the voltage of the second AC terminal, whichever is the higher. 8. The wind power generator system according to claim 7, wherein: the rectification circuit is a diode rectification circuit.