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Wireless and intelligent trip

A tripping and intelligent technology, applied in the direction of instruments, measuring devices, measuring electricity, etc., can solve problems such as reliability decline, large investment, power system loss, etc.

Active Publication Date: 2014-08-20
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of these systems adopt redundant design, the complexity of the power supply subsystem is getting higher and higher, and the investment is getting bigger and bigger, but there is a negative impact of decreasing reliability.
At the critical moment when a fault occurs, the early warning and protection functions of the grid subsystem may still fail to function normally, and even when a certain subsystem fails, there is no early warning and timely alarm, and the subsystem not only fails to get timely protection. , instead paralyzed the superior power system, causing huge losses to the power system

Method used

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0022] Such as figure 1 and figure 2 As shown: in order to detect and analyze electric power information, fault warning and wireless transmission and reception of relevant data, and ensure the safe and reliable operation of the power grid, the present invention includes a power information collection module 1 for obtaining power grid operation information. The power information collection module 1 It is connected to the input end of the control circuit 2, and the control circuit 2 is connected to the wireless data transceiver module 3; the power grid setting protection value is preset in the control circuit 2, and the control circuit 2 obtains the power operation information according to the collected information transmitted by the power information collection module 1, And store the power operation information; the control circuit 2 compares the power operat...

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Abstract

The invention relates to a wireless and intelligent trip which comprises an electric power information collecting module for obtaining power grid operation information. The electric power information collecting module is connected with the input end of a control circuit, and the control circuit is connected with a wireless data receiving-transmitting module; a power grid setting protection value is set in the control circuit in advance, and electric power operation information is obtained by the control circuit according to collected information transmitted by the electric power information collecting module and are stored; the electric power operation information is compared with the power grid setting protection value through the control circuit, when the electric power operation information is not matched with the power grid setting protection value, the control circuit transmits early-alarming information through the wireless data receiving-transmitting module in a wireless mode, and the sampling frequency of the control circuit on the electric power operation information of the electric power information collecting module is increased. The wireless and intelligent trip is compact in structure, can conduct electric power information detection analysis, fault early warning and relative data wireless receiving and transmitting, and guarantees that a power grid safely and reliably operate.

Description

technical field [0001] The invention relates to a tripping device, in particular to a wireless intelligent tripping device, which belongs to the technical field of electric power safety protection. Background technique [0002] With the deepening of the smart grid process, the safety and reliability of the power supply system, which is related to the public and social interests, has become very important. Such as power substations, radio station base stations, railway signal systems, hospitals, large shopping malls, high-rise buildings, etc. all require high reliability power supply systems. This puts forward higher reliability requirements for traditional medium and low voltage power distribution equipment, and at the same time puts forward higher requirements for the detection of power grid power information and fault warning and alarm. [0003] In order to ensure the reliability of the power system, the traditional power supply subsystem is equipped with a large number o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
Inventor 沈海平胡淼龙肖匀吴曦吴昊
Owner STATE GRID CORP OF CHINA
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