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    • 8. 发明公开
    • Fault protection system for a network area of a high voltage distribution network
    • 网站管理员Netzwerkbereich eines Hochspannungsverteilernetzwerks
    • EP2194628A1
    • 2010-06-09
    • EP08380329.6
    • 2008-12-02
    • ORMAZABAL PROTECTION & AUTOMATION, S.L.U.
    • Sanchez Ruiz, Juan AntonioUrraca Romero, Iratxe
    • H02H3/32H02H3/16H02J3/38
    • H02H3/325H02H3/165
    • The network area (15) comprises a first electrical transformation centre (3), at least one second electrical transformation centre (20) and electric power generation equipment (2) configured to feed, when the network area (15) is insulated from the rest of the high voltage network, a first low voltage distribution network. This equipment (2) is connected to a low voltage side of the first centre (3) to feed the network area (15) through at least one transformer (4). The fault protection system (1) is installed between a high voltage side of the first centre (3) and a low voltage side of said centre (3) in a position preceding the electric power generation equipment (2), and configured to detect a ground fault and to issue an order for the electric power generation equipment (2) to stop operating.
    • 网络区域(15)包括第一电转换中心(3),至少一个第二电转换中心(20)和发电设备(2),当所述网络区域(15)与其余部分 的高压网络,第一个低压配电网络。 该设备(2)连接到第一中心(3)的低压侧,以通过至少一个变压器(4)馈送网络区域(15)。 所述故障保护系统(1)安装在所述第一中心(3)的高压侧和所述中心(3)的低压侧之间,位于所述发电设备(2)之前的位置,并且被配置为检测 接地故障,并发出发电设备(2)停止运行的命令。