发明名称 ELECTRICAL PROTECTION DEVICE
摘要 An electrical protection device for an electrical load includes a pair of input terminals and for respectively electrically connecting to an active conductor and a neutral conductor of an electrical power source. A pair of output terminals and electrically connects to load. A first monitoring unit is responsive to the load current flowing in conductors and for selectively generating a first fault signal. A second monitoring unit selectively generates a second fault signal. A protection unit operates in a normal state to electrically connect terminals and to terminals and respectively to allow the load current to flow from source to load via device. The unit is responsive to either of the first fault signal and the second fault signal for operating in a protected state to electrically isolate terminals and from terminals and, and prevent the flow of the load current.
申请公布号 US2015214718(A1) 申请公布日期 2015.07.30
申请号 US201314422734 申请日期 2013.08.22
申请人 IEP2 RESEARCH PTY LIMITED 发明人 Rubython Geoffrey;Harris Richard
分类号 H02H3/10 主分类号 H02H3/10
代理机构 代理人
主权项 1. An electrical protection device for an electrical load having an external conductive surface, the device including: at least two input terminals for electrically connecting to an active conductor and a neutral conductor of an electrical power source that is upstream of the protection device; at least two output terminals for electrically connecting to the load, wherein the load is electrically downstream of the protection device and, in use, draws a load current; a first monitoring unit that is responsive to the load current flowing in the active conductor and the neutral conductor for selectively generating a first fault signal; a second monitoring unit for selectively generating a second fault signal in response to either or both of: current flowing from the surface; and the voltage between the surface and the neutral conductor and/or the earth; and a protection unit for operating in a normal state to electrically connect the input terminals to the output terminals to allow the load current to flow from the source to the load via the protection device, the protection unit being responsive to either of the first fault signal and the second fault signal for operating in a protected state to electrically isolate the input terminals from the output terminals and prevent the flow of the load current.
地址 Newcastle, AU