Transmission and distribution power grid fault positioning system
A technology for locating system and power grid faults, which is applied in the field of electric power systems, can solve problems such as long power outage time, large impact of transmission line accidents, and long time-consuming fault node search, so as to improve search efficiency, reduce search time, and reduce manpower input. Effect
Active Publication Date: 2015-02-04
上海萌烨电力科技有限公司
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Problems solved by technology
This transmission line fault monitoring method requires a large amount of manpower to search for faulty nodes, and the search efficiency of faulty nodes is low, and the search for faulty nodes takes a long time, which makes the impact of accidents on transmission line faults greater and the power outage time longer. long
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[0017] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and any similar structures and similar changes of the present invention should be included in the protection scope of the present invention.
[0018] Such as Figure 1-Figure 5 As shown, a transmission and distribution network fault location system provided by the embodiment of the present invention is characterized in that it includes a location terminal, multiple grounding collection devices, multiple equipment collection devices, multiple line collection devices, and multiple arrester current collection devices. collection device;
[0019] The grounding acquisition device includes a grounding data processing module, a grounding current transformer for collecting current signals on the grounding line, and a wireless communication module for connecting to the Ethern...
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The invention discloses a transmission and distribution power grid fault positioning system and relates to the technical field of electrical power systems. The transmission and distribution power grid fault positioning system aims at solving the technical problem of monitoring a power transmission line and comprises a positioning terminal, a plurality of ground connection collection devices, a plurality of device collection devices, a plurality of line collection devices and a plurality of arrester current collection devices; the ground connection devices are used for collecting current signals of ground connection lines of a main transformer of a transmission and distribution power grid; the device collecting devices are used for collecting voltage signals and current signals of power distribution devices of the transmission and distribution power grid; the line collection devices are used for collecting current signals of three-phase power transmission lines of the transmission and distribution power grid; the arrester current collection devices are used for collecting current signals of transmission and distribution power grid arresters; the arrester current collection devices and the peripheral line collecting devices are mutually connected through a radio frequency communication mode; the positioning terminal, the ground connection collection devices and the line connection devices are connected to the same Ethernet. The transmission and distribution power grid fault positioning system is applicable to transmission and distribution power grid monitoring and fault positioning.
Description
technical field [0001] The invention relates to power system technology, in particular to a technology of a transmission and distribution network fault location system. Background technique [0002] In the power system, when the transmission line fails, it is necessary to find out the fault point and repair the fault line in time to restore the normal power supply. [0003] The existing transmission line fault monitoring method is: set a monitoring node every certain distance on the transmission line, and install a fault indicating device on each monitoring node, an indicator is arranged on the fault indicating device, and the monitoring node is in normal state. In the power transmission state, the indicator of the fault indication device displays a normal color (such as white), and when a transmission fault occurs on the line section to which the monitoring node belongs, the indicator of the fault indication device displays a striking alarm color (such as red), and the patr...
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IPC IPC(8): G01R31/08
CPCY04S10/52
Inventor 朱永元朱俊烨
Owner 上海萌烨电力科技有限公司
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