Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.

Xinjiang Goldwind Science & Technology Co., Ltd.

Beijing Goldwin Science & Creation Equipment Co., Ltd.

Wanshun Ma

Shengjun Ma

A vacuum desorption, impregnation and curing system, a vacuum desorption device and a vacuum desorption process for a protective layer of a magnetic pole are provided. Before injection of an impregnation liquid, vacuum desorption is performed on a sealed system formed by a magnetic yoke and a vacuum bag. A functional relationship about a vacuum degree or pressure in the sealed system is established so as to control the procedure of the vacuum desorption. Parameters in the functional relationship include an average suctioned gas volume flow of a vacuum pump, duration of vacuumization, an initial pressure in the sealed system, as well as an initial volume of the sealed system. With the functional relationship for the vacuum impregnation and curing system and the vacuum impregnation and curing process, a vacuum desorption standard is provided, a desorption time may be grasped better, and mutual verification effect is formed in conjunction with the detected pressure.

Vacuum desorption, impregnation and curing system, vacuum desorption device, and vacuum desorption process for protective layer of magnetic pole

An electric power transmission carrier and a manufacturing method of the electric power transmission carrier and an enclosure are provided. The electric power transmission carrier includes an enclosure and an electric power transmission cable mounted on the enclosure. The electric power transmission cable is in direct or indirect surface contact with an inner wall of the enclosure, and the enclosure functions as a heat sink of the electric power transmission cable. In the present application, the electric power transmission cable or the conductor is mounted on the enclosure such as a tower barrel or a high tower, to perform electric power transmission and take the enclosure as a heat sink. The electric power transmission component takes the enclosure, the 'heat sink' having a huge thermal capacity, as a 'cold source'.

Electric power transmission carrier, manufacturing process thereof and enclosure

A flexible molding process and system for a magnetic pole protective layer. The molding process is as follows: assembling magnet steels at respective positions on a side wall surface of a magnetic yoke, laying a reinforcing material and a vacuum bag in the listed sequence on the magnet steel and the side wall surface of the magnetic yoke, wherein the vacuum bag, the magnet steels and the side wall surface of the magnetic yoke form a sealed system; performing an impregnation process, including vacuumizing the sealed system to allow the impregnation liquid to be injected into the sealed system, to achieve infiltration and impregnation; heating the sealed system and/or emitting ultrasonic waves to the sealed system while performing the impregnation process; and performing a curing process after the impregnation process, wherein the impregnation liquid and the reinforcing material are cured to form a protective layer.

Flexible molding process and system for magnetic pole protective layer

A magnetic pole part, a fiber-reinforced material, a test apparatus therefor, and a control method for the test apparatus. The test apparatus comprises: a container provided with an adhesive agent container therein for containing an adhesive agent; a positioning member for positioning a member to be tested inside the container and partially inside the adhesive agent container; an adhesive agent heating member 912) for heating the adhesive agent; and an adhesive agent temperature sensor for measuring the temperature of the adhesive agent; a controller for turning on or off the adhesive agent heating member according to a temperature signal detected by the adhesive temperature sensor so as to keep the adhesive agent in the adhesive agent container at a preset temperature.

Magnetic pole part, fiber-reinforced material, test apparatus therefor, and control method for test apparatus

A heat dissipation retaining structure for a heat production device, an installation method thereof, and a wind turbine generator set. The heat dissipation retaining structure includes a retaining structure body for defining a middle space, and a thermal radiation absorption coating, a heat insulating material, or an infrared low-emissivity and high-reflectivity material is at least partially applied to an inner wall of the retaining structure body. The air temperature of the environment in the retaining structure is actively decreased by the foregoing structure under the conditions that noise is avoided, environmental friendliness is achieved, external power is omitted, and energy consumption is zero, thereby decreasing the temperature of the heat production device, and ensuring that the heat production device works at the allowable normal temperature for a long time.

Heat dissipation retaining structure for heat production device, installation method thereof, and wind turbine generator set

A process and process apparatus for forming a protective coating on a magnetic pole of a permanent magnet motor. The process for forming a protective coating on a magnetic pole of a permanent magnet motor includes: horizontally placing a motor rotor, and controlling to perform, at positions of an inlet and an outlet operating on a vacuum bag in a current state, vacuumization and adhesive injection only on an arc section located at the bottom of the motor rotor; and driving the motor rotor to rotate by a predetermined angle after the adhesive in the arc section is initially cured so as to rotate the next arc section in which no adhesive is injected to the bottom, until all arc sections in the circumferential direction of the motor rotor are injected with the adhesive.

Process and process apparatus for forming protective coating on magnetic pole of permanent magnet motor

A retaining structure-based heat transfer and dissipation system and a wind generator set are provided. The heat transfer and dissipation system includes a envelop enclosure and power transmission cables that are laid along the vertical direction of the inner wall of the envelop enclosure. The power transmission cables are laid in a shady surface region of the envelop enclosure. The system effectively lowers the surface temperature of the power transmission cables in the envelop enclosure, prolongs the service life of the power transmission cables, and ensures the operation safety of power transmission. The over-temperature problem of the power transmission cables in a tower drum of the wind generator set in a high-temperature natural geographical environment is resolved in a 'green' and 'zero-energy consumption' manner, and the system safety of power transmission is improved.

Retaining structure-based heat transfer and dissipation system and wind generator set

An enclosure having power transmission conductors laid in an oriented manner and a laying method. The method includes the following steps: acquiring changing situations of a surface heat transfer coefficient of an outer surface, in contact with a windward side incoming flow, of a shady side of the enclosure according to airflow parameters outside the enclosure; determining a target laying position according to an inside position, corresponding to a highest surface heat transfer coefficient, of the shady side; and laying the power transmission conductor at the target laying position.

Enclosure structure provided with directionally-laid power transmission conductors, and laying method

A wind power generator system includes: a generator including a generator cavity; a separation device configured to perform multi-phase flow separation on an upwind direction flow and including an air inlet configured to introduce the upwind direction flow and an air outlet in communication with the generator cavity; and an exhaust fan in communication with the generator cavity and configured to exhaust hot air flow in the generator cavity. A fluid transfer device includes: a power equipment including an overheated cavity; a separation device configured to perform multi-phase flow separation on an upwind direction flow and including an air inlet and an air outlet; and an exhaust fan. With the wind power generator system and the fluid transfer device, the overheated cavity can be cooled by using air in the natural environment and the overheated cavity is prevented from being damaged.

Growing community of inventors

Beijing, China

Wanshun Ma