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    • 26. 发明公开
    • OPTOELEKTRISCHE MESSVORRICHTUNG UND VERFAHREN ZUM MESSEN EINES ELEKTRISCHEN STROMES
    • OPTOELEKTRISCHE MESSVORGHHTUNG UND VERFAHREN ZUM MESSEN EINES ELEKTRISCHEN STROMES
    • EP3227693A1
    • 2017-10-11
    • EP15700582.8
    • 2015-01-16
    • Siemens Aktiengesellschaft
    • HOFSTETTER, MichaelERGIN, DominikWILLSCH, Michael
    • G01R15/24
    • G01R15/246G01R1/20G01R15/247
    • The invention relates to a measuring device (1) for measuring an electrical current, comprising a light source (5) for generating a polarised primary light signal for feeding into a Faraday sensor unit (2), and comprising a detector (6) for detecting a secondary light signal provided by the Faraday sensor unit (2) and polarisation-altered in relation to the primary light signal. The invention is characterised by an optical-electrical compensation element (8, 9, 10), by means of which the polarisation alteration of the secondary light signal can be compensated via an opposite polarisation alteration, and a measurement signal, according to the opposite polarisation alteration, for the electrical current can be deduced. The invention also relates to a method for measuring an electrical current by means of the measuring device (1).
    • 本发明涉及一种用于测量电流的测量装置(1),包括用于产生用于馈送到法拉第传感器单元(2)中的偏振主光信号的光源(5),并且包括用于检测 由法拉第传感器单元(2)提供并相对于主光信号进行偏振改变的次级光信号。 本发明的特征在于光电补偿元件(8,9,10),利用该光电补偿元件可以通过相反的偏振变化来补偿次级光信号的偏振变化,并且根据相反的偏振态来测量信号 可以推断出电流的变化。 本发明还涉及一种借助于测量装置(1)测量电流的方法。
    • 30. 发明公开
    • STELLVORRICHTUNG FÜR EINE VAKUUMSCHALTRÖHRE UND TRENNANORDNUNG
    • STELLVORRICHTUNGFÜREINEVAKUUMSCHALTRÖHREUND TRENNANORDNUNG
    • EP2885803A1
    • 2015-06-24
    • EP13765317.6
    • 2013-09-11
    • Siemens Aktiengesellschaft
    • BACHMAIER, GeorgERGIN, DominikGÖDECKE, AndreasKOSSE, SylvioPHILIPP, Andreas
    • H01H33/28H01H33/666H01H47/22H01H3/60
    • H01H51/27H01H3/60H01H33/285H01H33/6662H01H47/226H01H50/30H01H50/321H01H50/443H01H50/64
    • The invention relates to an actuating device (18) for a vacuum switching tube (12), comprising a connecting element (20), which can be connected to an electric contact (16) of the vacuum switching tube (12), an electromagnetic actuating device (28) for displacing the connecting element (20) between a first and a second position, a retaining yoke (22), relative to which the connecting element (20) can be displaced and which comprises a first magnetic element (24), the first magnetic element (24) generating a first and a second magnetic circuit in the retaining yoke (22), and further comprising a ferromagnetic retaining anchor (26), which is arranged on the connecting element (20), the retaining anchor (26) being located in the first position of the connecting element (20) in the first magnetic circuit and in the second position of the connecting element (20) in the second magnetic circuit, the connecting element (20) being stably held in the first and in the second position by a respective magnetic force between the retaining yoke (22) and the retaining anchor (26).
    • 用于真空开关管的致动装置具有连接元件,该连接元件可以连接到真空开关管的电接点,用于将连接元件在第一和第二位置之间移动的电磁致动装置和保持轭相对于 连接元件可以移位并具有第一磁性元件。 第一磁性元件在保持轭中产生第一和第二磁路。 致动装置还具有布置在连接元件上的铁磁保持锚。 保持锚固件位于第一磁路中的连接元件的第一位置和位于第二磁路中的连接元件的第二位置。 连接元件通过保持轭和保持锚之间的相应的磁力保持在第一位置和第二位置。