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Standby automatic switching and healing device for multi-end power supply line

A technology for backup self-injection and power supply lines, which is applied in the direction of circuit devices, electrical components, emergency power supply arrangements, etc., to achieve the effects of high degree of automation, convenient operation, and wide adaptability

Inactive Publication Date: 2015-07-08
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the dual power supply (one side hot standby) multi-receiving terminal wiring line 3 with power transmission conditions, there is no corresponding automatic means such as line backup self-injection device to restore power supply

Method used

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  • Standby automatic switching and healing device for multi-end power supply line
  • Standby automatic switching and healing device for multi-end power supply line
  • Standby automatic switching and healing device for multi-end power supply line

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0016] Such as figure 2 and image 3 As shown: in order to automatically realize the restoration of power supply for the standby self-switching of multi-terminal power supply lines, the present invention includes the OPEN-3000 power grid dispatching automation integration system; , the standby self-introduction and self-healing judgment processing system includes an operation signal monitoring and acquisition module for collecting the operating state of the power grid and a fault signal acquisition module for collecting fault signals when the power grid fails, the operation signal monitoring and acquisition module and the fault signal acquisition module The modules are all connected with the central processing unit; the central processing unit is connected with the logical judgment module for logical judgment on faults and the strategy control module for outp...

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Abstract

The invention relates to a standby automatic switching and healing device for a multi-end power supply line. The standby automatic switching and healing device for the multi-end power supply line comprises an OPEN-3000 power grid dispatching automation integration system; the OPEN-3000 power grid dispatching automation integration system is connected with a standby automatic switching and healing judgment and treatment system, the standby automatic switching and healing judgment and treatment system comprises a running signal monitoring acquisition module used for acquiring running signals of the power grid running state and a fault signal acquisition module used for acquiring fault signals when a power grid has faults, and the running signal monitoring acquisition module and the fault signal acquisition module are both connected with a central processing unit; the central processing unit is connected with a logical judgment module used for performing logical judgment on the faults and a strategy control module used for outputting control strategy according to the fault types, and the central processing unit is connected with a strategy execution module. The standby automatic switching and healing device for the multi-end power supply line is compact in structure, convenient to operate, high in automation degree, wide in adaptive range, safe and reliable, and capable of automatically achieving the power restoration to the standby automatic switching and healing device for the multi-end power supply line.

Description

technical field [0001] The invention relates to a backup self-injection self-healing device, in particular to a multi-terminal power supply line backup self-injection self-healing device, which belongs to the technical field of electric power automation. Background technique [0002] The typical wiring of 110kV and 35kV power grids is as follows: figure 1 As shown, in the typical wiring, the single power supply and single receiving terminal wiring line 1, the single power supply and multiple receiving terminal wiring line 2 and the dual power supply (one side hot standby) multiple receiving terminal wiring line 3 are the main ones. [0003] When the bus on the power supply side of the line loses power, it will cause a power outage on the normal operating line, affecting the power supply and receiving end. At this time, the dispatcher needs to verify the relevant information sent by the automation system, confirm the nature of the faulty equipment, and operate to isolate the ...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J13/00
CPCY02B70/30Y02B90/20Y04S20/12Y04S20/248
Inventor 胡非王昆宗绍磊孔威严国成
Owner STATE GRID CORP OF CHINA
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