Differential relay protection communication device based on 5G communication, system and method

A relay protection and communication device technology, applied in the field of differential relay protection communication devices, can solve problems such as channel device failure, poor ability of multi-node coordinated transmission, affecting device reliability, etc., and achieves simple and convenient protection range, The effect of changing the protection scope and reducing resource consumption

Inactive Publication Date: 2020-02-28
JINING POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The inventors of the present disclosure believe that the current problems to be solved are as follows: (1) transmission needs to pass through conventional physical media, such as power wires or optical fibers, resulting in high equipment costs; (2) the failure rate of the device is high, and the channel integrity of the propagation medium Directly affect the reliability of the device, any fault point of the signal transmission device and the transmission channel will cause the channel device to lose its function; (3) the cost of the device is r

Method used

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  • Differential relay protection communication device based on 5G communication, system and method
  • Differential relay protection communication device based on 5G communication, system and method
  • Differential relay protection communication device based on 5G communication, system and method

Examples

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Example Embodiment

[0044] Example 1:

[0045] Such as figure 1 As mentioned, the present disclosure provides a 5G communication-based differential relay protection communication device, including an electrical information collection module, a 5G communication transceiver module, and a relay protection trip logic processing module, the electrical information collection module is used for real-time collection The operation information of the electrical equipment, the operation information of the electrical equipment includes switch position, voltage, current and power, as messages sent and received by the communication device in real time, and also provides a judgment basis for the relay protection trip logic processor.

[0046] The 5G communication transceiver module is used to receive the electrical equipment operating information collected by the electrical information acquisition module, and realize the operating information exchange between different electrical equipment, which can achieve wide con...

Example Embodiment

[0049] Example 2:

[0050] Such as figure 2 As shown, Embodiment 2 of the present disclosure provides a 5G communication-based differential relay protection communication system;

[0051] It includes the 5G communication-based differential relay protection communication device described in Embodiment 1 of the present disclosure, and each differential protection node is provided with a communication device described in Embodiment 1 of the present disclosure, including multiple electrical equipment association groups, Each associated group includes at least two electrical devices, and the electrical devices in the same associated group communicate with each other through the communication device.

[0052] Communication shielding of electrical equipment outside the associated group of electrical equipment, each electrical equipment is located in at least one associated group of electrical equipment, communication shielding between different associated groups of electrical equipment, th...

Example Embodiment

[0055] Example 3:

[0056] Such as image 3 As shown, Embodiment 3 of the present disclosure provides a 5G communication-based differential relay protection communication method, and the steps are as follows:

[0057] (1) Set up the differential protection relay communication device described in Embodiment 1 of the present disclosure on each differential protection node, set a unique identification code for each electrical device, and collect operating information of each electrical device in real time;

[0058] (2) Establish an electrical equipment association group, associate high-association electrical equipment in a group, and electrical equipment in the same association group communicate with each other through the communication device;

[0059] (3) The communication device on each electrical equipment judges the operating status of the power grid according to the received operating information of the electrical equipment in the associated group, and makes a normal operation or s...

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Abstract

The invention provides a differential relay protection communication device based on 5G communication, a system and a method. The device comprises an electrical information acquisition module, a 5G communication module and a trip logic processing module, wherein the electrical information acquisition module is used for acquiring operation information of electrical equipment in real time; the 5G communication module is used for receiving the operation information of the electrical equipment that is collected by the electrical information acquisition module and realizing the operation information intercommunication between different electrical equipment; and the trip logic processing module is used for receiving the operation information of the electrical equipment that is transmitted by the5G communication module, judging the operation state of the power grid, and making a normal operation or switch trip command. According to the communication device, the system and the method, no conventional propagation medium is required, the cost of the device is greatly reduced, and the transmission rate is greatly improved, thus realizing real multi-node cooperative transmission and fault judgment and improving the reliability and stability of communication.

Description

technical field [0001] The present disclosure relates to the technical field of relay protection, and in particular to a communication device, system and method for differential relay protection based on 5G communication. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] At present, the relay protection or safety automatic device in the power relay protection device often uses the data transmission technology between two related equipment or multiple related equipment points. The remote relay protection between related equipment in current applications is generally Carrier communication, optical fiber communication and other means are used. [0004] The inventors of the present disclosure believe that the current problems to be solved are as follows: (1) transmission needs to pass through conventional physical media, such as power wires o...

Claims

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Application Information

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IPC IPC(8): H02H1/00H02H7/045H02H7/22H02H7/26G08C17/02H02J13/00
CPCH02H1/0061H02H7/261H02H7/22H02H7/045G08C17/02H02J13/00Y04S10/20Y04S40/126Y04S20/242Y02B70/30Y02E60/00
Inventor 张海徐刚朱海鹏韩建伟张西鲁谢允红王一飞任坤龙魏春雪杨乐赵磊秦昆
Owner JINING POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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