CN-116366099-B - Communication method and module for low-voltage power line communication equipment side

CN116366099BCN 116366099 BCN116366099 BCN 116366099BCN-116366099-B

Abstract

The invention discloses a communication method and a communication module for a power line communication device side of a low-voltage station, the method comprises the steps of receiving power data issued by a power line communication terminal of the low-voltage station, carrying out data noise reduction processing on the power data to obtain noise reduction data, constructing a training data set according to a transverse federal learning strategy and the noise reduction data, carrying out federal training a local data model based on the training data set to obtain a global data model, wherein the global data model can be adapted to lightweight communication between the device side and the power line communication terminal, and through an AI compression algorithm, eliminating and deleting repeated items and deducible items of the noise reduction data to obtain key data, and uploading the global data model and the key data to the power line communication terminal. The embodiment realizes lightweight power line communication, reduces the complexity of data transmission, and ensures the safety and reliability of data transmission.

Inventors

SHI ZHAN
LI BO
Deng xiaozhi
LI XINGNAN
ZENG YING
ZHANG JIAN
LIANG YUTU

Assignees

广东电网有限责任公司
广东电网有限责任公司电力调度控制中心
广东电力通信科技有限公司

Dates

Publication Date: 20260512
Application Date: 20230419

Claims (10)

1. A communication method at a low-voltage power line communication device side, comprising: Receiving power data issued by a power line communication terminal of a low-voltage station area, and performing data noise reduction processing on the power data to obtain noise reduction data; Constructing a training data set according to a transverse federal learning strategy and noise reduction data, and performing federal training on a local data model based on the training data set to obtain a global data model, wherein the global data model can be adapted to lightweight communication between a device side and the power line communication terminal; the repeated items and the reckonable items of the noise reduction data are checked and deleted through an AI compression algorithm to obtain key data; And uploading the global data model and the key data to the power line communication terminal.
2. The communication method at the power line communication device side of the low-voltage transformer area according to claim 1, wherein the constructing a training data set according to the horizontal federal learning strategy and the noise reduction data is specifically as follows: and extracting data with similar data characteristics and different data sources from the noise reduction data according to the transverse federal learning strategy, and constructing a training data set.
3. The communication method at the low-voltage power line communication device side of claim 1, wherein the federally trained local data model is performed based on the training data set to obtain a global data model, specifically: The method comprises the steps that a plurality of participating servers receive models issued by a total server, each participating server carries out local data model training based on the training data set, and each trained local data model is uploaded to the total server through an encryption gradient; and the total server performs federal training on each trained local data model to obtain the updated global data model.
4. The communication method of the low-voltage power line communication equipment side of claim 1, wherein the filtering and deleting the repeated item and the reckonable item of the noise reduction data by the AI compression algorithm is performed to obtain key data, specifically: judging whether the noise reduction data are continuous or not, if not, complementing the noise reduction data to obtain continuous data, and if so, taking the noise reduction data as the continuous data; Searching repeated items existing in the continuous data through intelligent searching, and deleting the repeated items to obtain duplicate removal data; non-uniformly sampling the weight removing data based on the oscillation waveform characteristic points, extracting key data capable of reflecting the state of the platform area, deleting other data capable of being calculated, and obtaining compressed data; and supplementing the compressed data through three Hermite interpolation to realize data compression and obtain the key data.
5. The communication method on the low-voltage power line communication device side of claim 1, wherein the performing data noise reduction processing on the power data to obtain noise reduction data specifically includes: carrying out noise identification on the electric power data to obtain an identification result, wherein the identification result comprises noise types and distribution conditions of various types of noise; And selecting different filters according to the identification result, and eliminating noise in the data to obtain the noise reduction data.
6. The communication method of the low-voltage power line communication device according to claim 5, wherein the noise recognition is performed on the power data to obtain a recognition result, specifically: based on the information of the noise library, carrying out noise matching analysis on the power data to obtain an identification result; the noise library is designed according to historical data and priori knowledge of power line communication noise of the low-voltage transformer area and comprises characteristic information of various noises of the low-voltage transformer area.
7. The communication module at the power line communication equipment side of the low-voltage transformer area is characterized by comprising a communication module, a noise identification elimination module, a federal training module and an AI compression module; The communication module is used for receiving power data issued by a power line communication terminal of a low-voltage station area and uploading a global data model and key data to the power line communication terminal; The noise identification and elimination module is used for carrying out data noise reduction processing on the electric power data to obtain noise reduction data; the federation training module is used for constructing a training data set according to a transverse federation learning strategy and noise reduction data, and performing federation training on a local data model based on the training data set to obtain the global data model, wherein the global data model can be adapted to lightweight communication between a device side and the power line communication terminal; the AI compression module is used for checking and deleting repeated items and reckonable items of the noise reduction data through an AI compression algorithm to obtain the key data.
8. The communication module on the low-voltage power line communication device side according to claim 7, comprising a power supply module; The power module is used for supplying power to each module of the communication module.
9. The communication module on the power line communication device side of the low-voltage station area according to claim 7, wherein the noise identification cancellation module includes a noise identification sub-module and a noise cancellation sub-module; The noise identification submodule is used for carrying out noise identification on the electric power data to obtain an identification result, wherein the identification result comprises noise types and distribution conditions of various types of noise; And the noise elimination submodule is used for selecting different filters according to the identification result, eliminating noise in the data and obtaining the noise reduction data.
10. A computer device comprising a processor and a memory for storing a computer program which, when executed by the processor, implements the communication method on the low-voltage station power line communication device side of any one of claims 1 to 6.

Description

Communication method and module for low-voltage power line communication equipment side Technical Field The invention relates to the field of power line communication of low-voltage transformer areas, in particular to a communication method and a communication module of power line communication equipment side of a low-voltage transformer area. Background Along with the construction of a novel power system, high-proportion new energy mass equipment is connected into a low-voltage station area, so that the communication environment of the low-voltage station area is complex, larger noise interference exists, and intelligent monitoring is needed to be carried out on the low-voltage station area. The power line carrier communication is an important communication technology of the low-voltage distribution network, can utilize a power transmission line as an information transmission medium, has the advantages of wide coverage range, low communication cost and the like, and has good suitability for detection by intelligent equipment in a low-voltage area. The power industry has light-weight requirements on transmitted communication data, and the requirements of different power scenes are large in difference. Meanwhile, the power business has high requirements on the safety and reliability of data transmission. As a key component for accessing the bearing terminal, the integration of the power line communication terminal is generally to integrate a communication module, a power module, a control module, various interfaces and other modules related to data transmission, until that time, the power line communication terminal is limited by the computing resource of a processor, the compression and training strategies cannot be integrated, and the power line communication equipment side module plays a vital role. However, the current module has single form, only has communication capability, does not have lightweight model training and data compression capability, and cannot be copied and popularized. The power line communication module that provides among the prior art mainly includes power supply end and regulating module, solves traditional power cord and can't provide the power supply of looks adaptation according to the load demand difference, leads to using inconvenient technical problem, but this module design is comparatively complicated, and the consumption is great. The prior art also carries out serial port communication with the high-speed carrier communication module of power line and edge module, and the edge module receives and calculates the data that communication module gathered, can save the module space, solves the problem that traditional high-speed carrier communication module of power line function singleness, but is only applicable to the data processing that does not have noise interference, has the limitation, and the adaptability is poor, is not suitable for popularization and use. In addition, in the prior art, only original data is transmitted to assist communication of the power line communication terminal of the station, noise interference caused by a complex communication environment of the station is not considered, interference of power line communication cannot be eliminated to improve communication quality, safety is difficult to guarantee, and a certain gap exists between the power line communication terminal and suitability of power business. The prior art cannot improve the information bearing capacity of the power line communication, is difficult to support the reliable transmission of the low-voltage area data, and has a gap with the requirements of power business. The existing power line communication equipment side module, power line communication method and the like have the problems that firstly, although the power line communication module and the terminal equipment which meet the power scene are provided, the original data transmission mode is adopted, the safety and the reliability are difficult to ensure, and secondly, the existing equipment does not have the lightweight capacity, has high cost and large difficulty and cannot meet the power service scene. The low-voltage station communication environment accessed by high-proportion new energy mass equipment is complex, the current power line communication module is single in form, the light-weight requirement of power service is not considered, and the lightweight model training and data compression capability are not provided, so that the data transmission complexity is higher. The existing power line communication module adopts a communication mode for transmitting original data, does not consider cooperative transmission of a lightweight communication model and key data, cannot guarantee safety and reliability of data transmission while carrying out lightweight communication, and has a gap with the requirements of power business. In order to enable the power terminal to quickly have the capabilities of light weight an