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    • 7. 发明授权
    • High-voltage circuit breaker with improved circuit breaker rating
    • 具有改善断路器额定值的高压断路器
    • US08389886B2
    • 2013-03-05
    • US11520619
    • 2006-09-14
    • Andreas DahlquistChristian FranckMartin KriegelMartin SeegerHenrik Nordborg
    • Andreas DahlquistChristian FranckMartin KriegelMartin SeegerHenrik Nordborg
    • H01H33/91
    • H01H33/74H01H2033/888
    • An electrical breaker device, in particular a high-voltage circuit breaker, and a method for improved quenching gas cooling are disclosed. Cold gas is stored intermediately in the exhaust region, and a first partial gas flow is guided to bypass the intermediately stored cold gas and to flow off into the breaker chamber, the intermediately stored cold gas being forcibly displaced out of the exhaust region with the aid of a second partial gas flow and being mixed with the first partial gas flow before flowing off into the breaker chamber housing. Exemplary embodiments relate, inter alia, to the design of the intermediate storage volume for the cold gas and to auxiliary means for precooling the hot quenching gas. Advantages are, inter alia, improved quenching gas cooling, an increased circuit breaker rating and/or a more compact breaker design.
    • 公开了一种电气断路器装置,特别是高压断路器,以及用于改善淬火气体冷却的方法。 冷气被中间存储在排气区域中,并且第一部分气流被引导以绕过中间存储的冷气体并流入破碎室,中间存储的冷气体借助于辅助装置被强制地移出排气区域 的第二部分气流,并且在流入断路器室壳体之前与第一部分气流混合。 示例性实施例尤其涉及用于冷气的中间储存容积的设计和用于预冷热燃气的辅助装置。 优点尤其在于改进淬火气体冷却,提高断路器额定值和/或更紧凑的断路器设计。
    • 8. 发明授权
    • Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve
    • 带隔离管的气体绝缘高压断路器,由溢流阀控制
    • US08148660B2
    • 2012-04-03
    • US12761178
    • 2010-04-15
    • Martin SeegerLutz NiemeyerArthouros IordanidisChristian Franck
    • Martin SeegerLutz NiemeyerArthouros IordanidisChristian Franck
    • H01H33/88
    • H01H33/98H01H33/74H01H2033/908
    • A high-voltage circuit breaker includes two arcing contacts, which are capable of moving relative to one another along an axis, an insulating nozzle, a heating volume for accommodating quenching gas, a heating channel, and an overpressure valve. The pressure of the quenching gas is based on the energy of a switching arc, which is formed when the breaker opens and generates arcing gas, and the heating channel opens out, with axial alignment, into the heating volume. The heating channel connects an arc zone, and the overpressure valve limits the pressure of the quenching gas by opening a relief duct, which opens out into an expansion space. In high-current switching, the pressure of the arcing gases in the arc zone is limited, and the quality of the quenching gas stored in the heating volume is improved, due to the relief duct having an outflow section extending in the radial direction.
    • 高压断路器包括两个能够相对于轴线移动的电弧触头,绝缘喷嘴,用于容纳淬火气体的加热容积,加热通道和超压阀。 淬火气体的压力基于当断路器打开并形成电弧气体时形成的开关电弧的能量,并且加热通道以轴向对准的方式打开到加热体积中。 加热通道连接电弧区域,超压阀通过打开通向膨胀空间的释放管道来限制淬火气体的压力。 在大电流切换中,电弧区域中的电弧气体的压力受到限制,并且由于排气管具有沿径向延伸的流出部分,存储在加热容积中的淬火气体的质量得到改善。
    • 10. 发明申请
    • ARC CHAMBER OF A HIGH-VOLTAGE SWITCH WITH A HEATING VOLUME OF VARIABLE SIZE
    • 具有可变尺寸加热量的高压开关的电弧室
    • US20090078680A1
    • 2009-03-26
    • US12245297
    • 2008-10-03
    • Christian FranckMartin Seeger
    • Christian FranckMartin Seeger
    • H01H33/88
    • H01H33/901H01H2033/908
    • An arc chamber is disclosed for a gas-insulated high-voltage switch. It contains a heating volume for accommodating compressed quenching gas from an arc zone. A part of the wall of the heating volume is formed by a piston which is displaceable against a restoring force. The piston is arranged as differential piston and has on its side facing away from the heating volume a piston step which forms a first working surface (A2) acting in an expansion space and a second working surface (A1-A2) acting in an insulating-gas-filled storage space. Through the piston, a duct connecting the heating volume with the storage space is also conducted which is opened when the insulating-gas pressure (p2) in the storage space is greater than the quenching-gas pressure (p1) in the heating volume.
    • 公开了一种用于气体绝缘高压开关的电弧室。 它包含用于容纳来自电弧区域的压缩淬火气体的加热体积。 加热容积的壁的一部分由能够抵抗恢复力移动的活塞形成。 活塞被设置为差动活塞,并且在其一侧背向加热体积,形成作用在膨胀空间中的第一工作表面(A2)和作用在绝缘层中的第二工作表面(A1-A2)的活塞步骤, 充气储存空间。 通过活塞,也可以将加热容积与储存空间连接的管道,当储存空间中的绝缘气体压力(p2)大于加热容积中的骤冷气体压力(p1)时,开口。