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    • 2. 发明授权
    • Tap changer
    • 分接开关
    • US07928329B2
    • 2011-04-19
    • US11994351
    • 2006-06-28
    • Jörg Findeisen
    • Jörg Findeisen
    • H01H19/02
    • H01H9/0044H01F27/14
    • A tap changer is filled with an insulating liquid as well as devices for absorbing variations in the volume of the insulating liquid due to thermal conditions. A gas cushion is provided which is integrated into the tap changer vessel and is formed by members that absorb the variations in the volume of the insulating liquid by changing the shape thereof. Furthermore, a gas cushion envelope is provided which prevents the gas of the gas cushion to be mixed with the gases generated by the thermal decomposition of the insulating liquid.
    • 分接开关填充有绝缘液体,以及用于吸收由于热条件导致的绝缘液体体积变化的装置。 提供了一种气垫,其集成在分接开关容器中,并且由通过改变其形状吸收绝缘液体的体积变化的构件形成。 此外,提供了一种气垫圈,其防止气垫的气体与由绝缘液体的热分解产生的气体混合。
    • 5. 发明授权
    • Hermetically sealed electrical apparatus
    • 气密电器
    • US07902951B2
    • 2011-03-08
    • US11995902
    • 2006-07-14
    • Jörg Findeisen
    • Jörg Findeisen
    • H01F27/10
    • H01F27/14
    • An electric apparatus, preferably a transformer, is hermetically sealed and filled with a dielectric liquid. Devices for recording heat-related volume variations of the dielectric liquid are contained in the apparatus. Volume variations are compensated with the aid of a gas cushion, which is thermally uncoupled from the dielectric liquid. The largest part of the gas cushion is arranged in a container separated from the dielectric liquid expansion tank. All the components of volume compensating devices are constructed in such a way that the operation of used monitoring devices, in particular, also the protection against Buchholz relays waves is maintained. The invention makes it possible to hermetically seal the transformer, thereby substantially reducing the aging of the dielectric liquid and the cellulose-based insulating material of the apparatus. Furthermore, the inventive device makes it possible to avoid the use of air-dehumidifiers and respective conduits.
    • 电气设备,优选变压器,被气密密封并填充介电液体。 用于记录介质液体的热相关体积变化的装置包含在该装置中。 借助于与电介质液体热分离的气垫来补偿体积变化。 气垫的最大部分设置在与介电液体膨胀箱分离的容器中。 体积补偿装置的所有部件都是以这样一种方式构造的,即所使用的监视装置的操作,特别是保护了对于Buchholz继电器波的保护。 本发明使得可以密封变压器,从而大大减少了介质液体和设备的纤维素类绝缘材料的老化。 此外,本发明的装置使得可以避免使用空气除湿器和相应的导管。
    • 6. 发明授权
    • Arrangement for cooling of components of wind energy installations
    • 风力发电设备部件冷却布置
    • US07443273B2
    • 2008-10-28
    • US11629936
    • 2005-05-13
    • Jörg Findeisen
    • Jörg Findeisen
    • H01F27/02H01F27/08H01F27/10
    • H01F27/08H01F27/025
    • The system utilizes the flow of a medium for cooling an installation, especially a transformer. The fact is utilized that the flow of the medium, e.g. wind, automatically increases with increasing load of the transformer. The novel transformer is formed so that its outer shape and the cooling elements are impinged upon by the natural air flow to a maximum degree. For this purpose, the cooling elements across their length are adapted to have a large cross-sectional area for the flowing medium. The depth of the cooling elements is chosen such that the flow resistance is not too high and so as to achieve a turbulent flow of the cooling air. Distance and arrangement of the cooling elements are chosen such that the transformer tank itself is reached by the flowing medium and serves for cooling.
    • 该系统利用介质的流动来冷却设备,特别是变压器。 利用这一事实,介质的流动,例如, 风力随着变压器负载的增加而自动增加。 新颖的变压器形成为使得其外形和冷却元件最大程度地受到天然气流的冲击。 为此,跨过其长度的冷却元件适于具有用于流动介质的大的横截面面积。 选择冷却元件的深度使得流动阻力不太高并且实现冷却空气的湍流。 选择冷却元件的距离和布置,使得变压器箱本身由流动介质到达并用于冷却。