Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system
    1.
    发明授权
    Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system 有权
    用于直流电系统的接地装置和用于DC电气系统的接地装置的操作方法

    公开(公告)号:US08111496B2

    公开(公告)日:2012-02-07

    申请号:US12379033

    申请日:2009-02-11

    IPC分类号: H02H3/22

    CPC分类号: H02H9/08 H02H7/268

    摘要: An earthing arrangement for a DC electrical system (10), the electrical system (10) comprises a plurality of earthing points (24A, 24B, 24C) and each earthing point (24A, 24B, 24C) is directly and permanently connected to earth (26) by a high impedance connection (28A, 28B, 28C). Each earthing point (24A, 24B, 24C) is selectively connectable to earth (26) in electrical parallel with the high impedance connection (28A, 28B, 28C) by a solid connection (30A, 30B, 30C) and a switch (32A, 32B, 32C). In first mode of operation the switch (32A) between the earthing point (24A) and the earth (26) of only one of the plurality of earthing points (24A, 24B, 24C) is closed.

    摘要翻译: 一种用于DC电气系统(10)的接地装置,电气系统(10)包括多个接地点(24A,24B,24C),并且每个接地点(24A,24B,24C)直接并永久地连接到地面 26)通过高阻抗连接(28A,28B,28​​C)。 每个接地点(24A,24B,24C)通过固体连接(30A,30B,30C)和开关(32A,24B,24C)可选择地连接到与高阻抗连接(28A,28B,28​​C)并联的接地(26) 32B,32C)。 在第一操作模式中,接地点(24A)和多个接地点(24A,24B,24C)中仅一个接地点(26)之间的开关(32A)闭合。