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    • 5. 发明授权
    • High-voltage loadbreak switch with enhanced arc suppression
    • 高压负载开关,具有增强的电弧抑制功能
    • US06797909B2
    • 2004-09-28
    • US10374724
    • 2003-02-27
    • Patrick Harold PrideJoseph Peter GerovacPaul Steven KozickiAllen Leroy Johnson
    • Patrick Harold PrideJoseph Peter GerovacPaul Steven KozickiAllen Leroy Johnson
    • H01H930
    • H01H33/022H01H1/2041H01H19/12H01H33/886
    • A high-voltage loadbreak switch operates submersed in a dielectric fluid and may be configured to switch one or more phases of power using one or more phase switches. Each phase switch may include first and second stationary contacts. The first stationary contact may be connected to a phase of a high-voltage power source. Each phase switch also may include a non-stationary contact. The non-stationary contact may be placed in a first position to electrically couple the first stationary contact to the second stationary contact, and in a second position to decouple the first stationary contact and the second stationary contact. The region of motion of the first non-stationary contact between the first position and the second position includes an arcing region. The high-voltage loadbreak switch uses a fluid circulation mechanism to improve circulation of the dielectric fluid through the arcing region. To suppress arcing between different phases, a non-conductive baffle may separate different phase switches when more than one phase switch is used. A non-conductive baffle also may separate a phase from ground to prevent phase-to-ground arcing.
    • 高压负载断路开关操作浸没在介电流体中,并且可以被配置为使用一个或多个相位开关切换一个或多个电力相。 每个相位开关可以包括第一和第二静止触点。 第一固定触点可以连接到高压电源的相。 每相开关也可以包括非固定触点。 非固定触点可以放置在第一位置以将第一固定触点电耦合到第二固定触点,并且在第二位置以将第一固定触点和第二固定触点分离。 第一位置和第二位置之间的第一非固定接触的运动区域包括电弧区域。 高压负荷开关使用流体循环机构来改善电介质流体通过电弧区域的循环。 为了抑制不同相之间的电弧,当使用多于一个相位开关时,非导电挡板可以分离不同的相位开关。 非导电挡板还可以将相与地分离以防止相对地电弧。