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    • 3. 发明申请
    • DEVICE FOR RAPID SHORT-CIRCUITING AND EARTHING OF THE PHASES IN A POWER NETWORK
    • 在电力网络中快速短路和接地的设备
    • US20150270084A1
    • 2015-09-24
    • US14435304
    • 2013-10-04
    • Jan KARLSSONSamuel DAHL
    • Jan KarlssonSamuel Dahl
    • H01H79/00H01H1/06H01H1/14
    • H01H79/00H01H1/06H01H1/14H01H3/222H01H9/0072H01H31/003H01H31/14H01H31/24
    • The invention relates to a switching device for short-circuiting and earthing at least two phases in an electric power network. The device comprises a first phase contact, a second phase contact, and an earthed, movable contact, which can, on the one hand, assume a first position, where the contact is insulated from the phases, and, on the other hand, a second position, where the contact is connected to the phase contacts and thereby earths and short-circuits the phases. The device is characterized in that the first phase contact and the second phase contact are axially displaced from each other and that they are disposed around the movable contact, and that the contact is cylinder-shaped and comprises two circumferentially disposed contact areas, which are axially displaced from each other and intended to connect to the phase contacts in the second position, so that the phases are short-circuited and earthed via the contact, and that the device comprises electrically insulating areas, which are adapted to abut against the phase contacts in the first position.
    • 本发明涉及一种用于在电力网络中短路和接地至少两相的开关装置。 该装置包括第一相位触点,第二相位触点和接地的可移动触点,其一方面可以呈现第一位置,其中触点与相位绝缘,另一方面, 第二位置,其中触点连接到相位触点,从而接地并使相位短路。 该装置的特征在于,第一相位接触和第二相位接触件彼此轴向移位,并且它们围绕可动触点设置,并且触点是圆柱形的,并且包括两个周向设置的接触区域,其轴向 彼此偏移并且旨在连接到第二位置中的相位触点,使得相位通过触点短路和接地,并且该器件包括电绝缘区域,其适于抵靠相位触点 第一名。