CN105067914A - Power quality monitoring method - Google Patents
Power quality monitoring method Download PDFInfo
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- CN105067914A CN105067914A CN201510443587.8A CN201510443587A CN105067914A CN 105067914 A CN105067914 A CN 105067914A CN 201510443587 A CN201510443587 A CN 201510443587A CN 105067914 A CN105067914 A CN 105067914A
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Abstract
The invention provides a power quality monitoring method. A substation wireless communication device is used to acquire power quality data from a substation end, and then transmits the power quality data to a mobile monitoring platform communication device. The data are uploaded to a power private network by a remote communication device through a public mobile communication network, and then are transmitted to a main monitoring station. According to the method, the problems of difficult wired communication system building, difficult wired communication system construction and high construction cost of a traditional wired method affected by topography are solved; the communication between the substation and the mobile monitoring platform and between the mobile monitoring platform and the main monitoring station are independent; a variety of communication methods are used for data transmission; self-adaptive switching selection can be carried out according to the data transmission efficiency; a method of high communication efficiency is preferentially selected; and the problems of low rate and poor timeliness, which are caused by a single network, are solved.
Description
Technical field
The application relates to electric energy quality monitoring field, is specifically related to a kind of electric energy quality monitoring method.
Background technology
Along with quality of power supply dispute increases and existing electric energy quality monitoring situation year by year, be necessary, in conjunction with quality of power supply on-the-spot test, test data to be imported electric energy quality monitoring net, carry out the advanced analysis of real-time online.
The wired mode such as RS-485, optical fiber, modem dialup of traditional many employings of electric energy quality monitor table, there is following problem in this wired mode: 1) monitoring point from far-off regions dispersion, bad environments, with a varied topography, be unfavorable for building wired communication system; 2) cable wiring manufacture, the construction cost that relate to cable network are high, safety and reliability low.
At present, electric energy quality monitor table adopts GSM (GlobalSystemforMobileCommunication mostly, global system for mobile communications) short message way communicates with host computer, the shortcoming of this mode is: 1) GSM short message way is half-duplex operation mode, can not simultaneously bidirectional transmit-receive data, real-time is not strong; 2) GSM short message way is adopted when communication flows is larger costly.
Publication No. is that the Chinese patent of CN103490513A discloses a kind of portable electric energy quality online monitoring system based on GPRS (GeneralPacketRadioService, general packet radio service technology) network.As shown in Figure 1, this system comprises data acquisition platform, data collection platform, data sharing platform, data exhibiting platform and data transfer platform.Data acquisition platform comprises portable electric energy mass-synchrometer 101, data collection platform comprises data server 102, data sharing platform comprises WEB server 103, and data exhibiting platform comprises computer workstation 104, and data transfer platform comprises GPRS network 105.Wherein, portable electric energy mass-synchrometer 101 is connected with data server 102 double-direction radio by GPRS network 105; Data server 102 is connected with WEB server 103 double-direction radio by GPRS network 105; WEB server 103 is connected with computer workstation 104 double-direction radio by GPRS network 105.The electric energy quality monitoring system of this employing GPRS mode, employ packet-switch technology, support the application based on standard data communications agreement, can interconnect with IP network, X.25 net, realize the billing function based on data traffic, type of service and service quality rating.The shortcoming of this mode is: the restriction 1) being subject to network and terminal physical condition, and the actual speed rate of GPRS network is lower than theoretical value; 2) owing to being limited to message transmission rate, the poor real of power quality data.
Publication No. is that the Chinese patent of CN101907648A discloses a kind of electric energy quality on-line monitoring device.As shown in Figure 2, monitoring device comprises: A/D module 201, for gathering energy data; Data processing unit 202, for parallel processing energy data; Data analysis module 203, for analyzing energy data; Data communication unit 204, for electric energy transmitting data and energy data analysis result; Touch human-computer interaction module 205, for presenting energy data and energy data analysis result to user.This locality that this device realizes data by data communication unit 204 is read and long-range reading, data communication units 204 is based on GSM/CDMA (WidebandCodeDivisionMultipleAccess, Wideband Code Division Multiple Access (WCDMA)) network, its speed is subject to the restriction of network and terminal, poor real.
Summary of the invention
The application provides a kind of electric energy quality monitoring method, for carrying out electric energy quality monitoring to transformer station, solves in prior art, power quality data poor real, the problem that electric energy quality monitoring cost is high.
This application provides a kind of electric energy quality monitoring method, comprising:
Second data acquisition Transmit Receive Unit of mobile monitoring Platform communication device and the first data acquisition Transmit Receive Unit of transformer station's radio communication device connect;
Data acquisition and the processing unit of transformer station's radio communication device gather power quality data from transformer substation end, and process described power quality data;
Power quality data after process is transferred to the second data acquisition Transmit Receive Unit with wireless radio frequency mode by the first data acquisition Transmit Receive Unit;
The data processing of mobile monitoring Platform communication device and data relay control module process the power quality data that the second data acquisition Transmit Receive Unit obtains;
The data back Transmit Receive Unit of remote communication devices and public mobile communications network connect;
Power quality data after data processing and the process of data relay control module is uploaded to power private network by public mobile communications network by data back Transmit Receive Unit;
The power private network communication network node of remote communication devices will return described power quality data according to power quality data request instruction to requestor.
The application provides a kind of electric energy quality monitoring method, power quality data is gathered from transformer substation end by transformer station's radio communication device, be transferred to mobile monitoring Platform communication device again, upload to power private network by remote communication devices afterwards, and then be transferred to monitoring main website.The method, on the one hand, solves traditional wire mode by the problem that the influence of topography cannot build wired communication system, wired communication system constructs difficulty, construction cost is high; On the other hand, independently communication system is adopted between transformer station and mobile monitoring platform, between mobile monitoring platform and monitoring main website, and adopt communication to carry out the transmission of data, self-adaptation can be carried out according to the transfer efficiency of data and switch selection, the mode that prioritizing selection communication efficiency is high, solves and uses single network and the speed that causes is low and real-time is not strong problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of portable electric energy quality online monitoring system based on GPRS network in prior art;
Fig. 2 is the structural representation of a kind of electric energy quality on-line monitoring device in prior art;
Fig. 3 is the structural representation of electric energy quality monitoring system in a kind of embodiment of the application;
Fig. 4 is the schematic flow sheet of electric energy quality monitoring method in a kind of embodiment of the application;
Fig. 5 is the structural representation of transformer station's radio communication device in a kind of embodiment electric energy quality monitoring system of the application;
Fig. 6 is the structural representation of mobile monitoring Platform communication device in a kind of embodiment electric energy quality monitoring system of the application;
Fig. 7 is the structural representation of a kind of embodiment electric energy quality monitoring system of the application medium-long range communicator.
Embodiment
Adopt wired mode for traditional electric energy quality monitor table, not easily build wired communication system and wired communication system construction is difficult, construction cost is high shortcoming in remote districts because of with a varied topography; GSM short message way real-time is not strong, and expense cost is high; GPRS mode is limited to the restriction of network and terminal realization condition, and actual speed rate is low, and real-time cannot be guaranteed.
Please refer to Fig. 3, comprehensive above the deficiencies in the prior art and shortcoming, in order to solve, electric energy quality monitoring construction is difficult, cost is high, the problem of poor real, provide a kind of electric energy quality monitoring method in the embodiment of the present application, the electric energy quality monitoring system that the method adopts is made up of transformer station's radio communication device 10, mobile monitoring Platform communication device 20 and remote communication devices 30.Transformer station's radio communication device 10 is for being arranged on transformer substation end; Mobile monitoring Platform communication device 20 is arranged on mobile monitoring platform, such as mobile monitoring car.This electric energy quality monitoring system, have employed new framework, to the process of monitoring main website, the power quality data of transformer substation end is divided into that transformer substation end is transmitted to the data of mobile monitoring platform, mobile monitoring platform is to data back two data transfer paths of monitoring main website.
Transformer station's radio communication device 10 mainly completes power quality data from converting station instrument port to the transmission of mobile monitoring platform, and under transformer station's periphery has the condition of walls block, can ensure accuracy and the integrality of data receiver.Mobile monitoring Platform communication device 20 is based upon the relaying bridge between transformer substation end and monitoring main website, is responsible for the storage of the power quality data between two ends, process and transmission.It mainly completes after mobile monitoring platform gathers power quality data, carries out the buffer memory of data, and ensures the accuracy and the integrality that receive data, for next communicator provides force transfer and the conversion of data by coherent signal process.Remote communication devices 30 mainly completes power quality data from mobile monitoring platform to the passback of monitoring main website, thus realizes remote districts and cannot the electric energy quality monitoring of transformer station of incoming fiber optic.Requestor, namely can to the power private network communication network node request power quality data of monitoring main website when needs obtain power quality data.
By reference to the accompanying drawings the application is described in further detail below by embodiment.
Please refer to Fig. 4, present embodiments provide a kind of electric energy quality monitoring method, comprise step below:
Step 6.1: the second data acquisition Transmit Receive Unit of mobile monitoring Platform communication device and the first data acquisition Transmit Receive Unit of transformer station's radio communication device connect.In the present embodiment, data processing and data relay control module select the one that transfer efficiency is the highest at least two kinds of first data transmission modes, as the data transfer mode between the second data acquisition Transmit Receive Unit and the first data acquisition Transmit Receive Unit.
Step 6.2: data processing and data relay control module send power quality data acquisition instructions by the second data acquisition Transmit Receive Unit to transformer station's radio communication device.
Step 6.3: the data acquisition of transformer station's radio communication device and processing unit gather power quality data according to power quality data acquisition instructions from transformer substation end, and the power quality data gathered is processed.
Step 6.4: the power quality data of collection is transferred to the second data acquisition Transmit Receive Unit of mobile monitoring Platform communication device by transformer station's radio communication device with wireless radio frequency mode by the first data acquisition Transmit Receive Unit.
Step 6.5: the data processing of mobile monitoring Platform communication device and data relay control module carry out buffer memory to the power quality data obtained, and ensure by signal transacting the accuracy and the integrality that receive data.Certainly, in certain embodiments, also comprise the step that the data processing of mobile monitoring Platform communication device and data relay control module control power quality data gatherer process, such as to the safety certification of transformer substation communication device, data acquisition start trigger and end trigger, interruption, data re-transmission, data forward, numerical nomenclature, data backup etc.
Step 6.6: the data back Transmit Receive Unit and the public mobile communications network that are arranged on the remote communication devices on mobile monitoring platform connect.In the present embodiment, data processing and data relay control module control at least two kind of second data transfer mode, to select the one that transfer efficiency is the highest, as the data transfer mode between data back Transmit Receive Unit and public mobile communications network.Certainly, in certain embodiments, also comprise the step that the data processing of mobile monitoring Platform communication device and data relay control module control the transmission that data are back to monitoring main website, such as the Access Control in power private network process is uploaded to data, comprises safety certification, start to upload, interrupt, retransmit, resume, termination etc.
Step 6.7: the power quality data after process is transferred to data back Transmit Receive Unit by data processing and data relay control module.
Step 6.8: the power quality data after data processing and the process of data relay control module is uploaded to power private network by public mobile communications network by data back Transmit Receive Unit.
Step 6.9: mobile monitoring Platform communication device stop sending power quality data acquisition instructions and etc. after the collection to requiring the power quality data gathered to be done, disconnect the connection with transformer station's radio communication device.
Step 6.10: complete after power quality data uploads, data processing and data relay control module control data passback Transmit Receive Unit disconnect the connection with public mobile communications network.
Please refer to Fig. 5, in the method that the present embodiment provides, transformer station's radio communication device comprises data acquisition and processing unit 301 and the first data acquisition Transmit Receive Unit 302.
Data acquisition and processing unit 301 for gathering power quality data from transformer substation end, and process and are transferred to the first data acquisition Transmit Receive Unit 302 to the power quality data gathered.
First data acquisition Transmit Receive Unit 302 transfers out with wireless radio frequency mode for the power quality data after data acquisition and processing unit 301 being processed.
Please refer to Fig. 6, mobile monitoring Platform communication device comprises the second data acquisition Transmit Receive Unit 401 and data processing and data relay control module 402.
The power quality data that second data acquisition Transmit Receive Unit 401 transmits out for obtaining the first data acquisition Transmit Receive Unit 301, and carry out two-way information interaction with transformer station radio communication device.
Data processing and data relay control module 402 process for the power quality data obtained the second data acquisition Transmit Receive Unit 401, and control the transmission that the gatherer process of power quality data and power quality data are back to monitoring main website.
Please refer to Fig. 7, remote communication devices comprises the data back Transmit Receive Unit 501 being arranged on mobile monitoring platform and the power private network communication network node 502 being arranged on monitoring main website.
Data back Transmit Receive Unit 501 uploads to power private network for the power quality data after data processing and data relay control module 402 being processed by public mobile communications network, and carries out two-way information interaction with monitoring main website.
Power private network communication network node 502 for according to power quality data request instruction to requestor's restoring electrical energy qualitative data.
Data acquisition and processing unit 301 have the interface for being connected with the power quality data output port 303 that transformer substation end opens separately, and data acquisition and processing unit 301 are connected with the power quality data output port 303 of transformer substation end by Ethernet interface, for gathering the power quality data needed for monitoring main website.Power quality data after process, is sent in mobile monitoring Platform communication device eventually through the first data acquisition Transmit Receive Unit 302 through a series of Base-Band Processing, frequency conversion, conversion etc. the power quality data gathered by data acquisition and processing unit 301.Data acquisition and processing unit 301 are connected with the first data acquisition Transmit Receive Unit 302 by RS232 serial ports.Transformer station's radio communication device can be developed based on ADSPBF518, and stability and the security of its system are high, low in energy consumption.
Data processing and data relay control module 402 pairs of power quality datas process the process control and cache management that comprise power quality data collection, to ensure to receive the accuracy of data and integrality, such as to the safety certification of transformer substation communication device, data acquisition start trigger and end trigger, interruption, data re-transmission, data forward, numerical nomenclature, data backup etc.; Also comprise and the transmission that data are back to monitoring main website controlled, such as, the Access Control in power private network process being uploaded to data, comprising safety certification, start to upload, interrupt, retransmit, resume, termination etc.
Certainly, first data acquisition Transmit Receive Unit 302 is also for receiving the instruction of data processing and data relay control module 402, second data acquisition Transmit Receive Unit 401, also for sending the instruction of data processing and data relay control module 402, realizes two-way information interaction and the control of transformer substation end and mobile monitoring platform.
Preferably, data processing and data relay control module 402 also for selecting the one that transfer efficiency is the highest at least two kinds of first data transmission modes, as the data transfer mode between the second data acquisition Transmit Receive Unit 401 and the first data acquisition Transmit Receive Unit 302; The one that transfer efficiency is the highest is selected, as the data transfer mode between data back Transmit Receive Unit 501 and public mobile communications network at least two kind of second data transfer mode.
Further, first data transmission mode comprises the communications mode of employing 470 ~ 510MHz and 2400 ~ 2483.5MHz frequency range, and the second data transfer mode comprises the transmission mode of GPRS and WCDMA network.
In other embodiments, first data transmission mode and the second data transfer mode can also comprise other transmission modes, and such as the second data transfer mode also comprises LTE network.When selecting the highest a kind of of transfer efficiency in several data transmission mode, can according to comprehensive descision such as the transmission speed of each transmission mode, signal stabilizations.
It should be noted that, the data between the first data acquisition Transmit Receive Unit 302 from the second data acquisition Transmit Receive Unit 401 and between data back Transmit Receive Unit 501 and public mobile communications network are transmitted and are adopted different frequency ranges, can not interact.
Further, mobile monitoring Platform communication device also comprises the man-machine interaction unit 404 be connected with data processing and data relay control module 402, for the operational order to user's exhibition information and acquisition user input, thus realize setting relevant in power quality data collection and data transmission procedure and control operation.Such as, after transformer station's radio communication device and mobile monitoring Platform communication device connect, user gathers the instruction of power quality data by man-machine interaction unit 404 input control transformer station radio communication device, and transformer station's radio communication device gathers power quality data after getting this instruction.
Further, data processing and data relay control module 402 are connected with the second data acquisition Transmit Receive Unit 401 and data back Transmit Receive Unit 501 respectively by RS232 serial ports, and data processing and data relay control module 402 can use industrial computer to realize.
The electric energy quality monitoring method that the embodiment of the present application provides, on the one hand, solves traditional wire mode by the problem that the influence of topography cannot build wired communication system, wired communication system constructs difficulty, construction cost is high; On the other hand, independently communication system is adopted between transformer station and mobile monitoring platform, between mobile monitoring platform and monitoring main website, and adopt communication to carry out the transmission of data, self-adaptation can be carried out according to the transfer efficiency of data and switch selection, the mode that prioritizing selection communication efficiency is high, solves and uses single network and the speed that causes is low and real-time is not strong problem.
It will be appreciated by those skilled in the art that, in above-mentioned embodiment, all or part of step of various method can carry out instruction by program and related hardware completes, this program can be stored in a computer-readable recording medium, and storage medium can comprise: ROM (read-only memory), random access memory, disk or CD etc.
Above content is the further description done the application in conjunction with concrete embodiment, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the present application design, some simple deduction or replace can also be made.
Claims (2)
1. an electric energy quality monitoring method, is characterized in that, comprising:
Second data acquisition Transmit Receive Unit of mobile monitoring Platform communication device and the first data acquisition Transmit Receive Unit of transformer station's radio communication device connect;
Data acquisition and the processing unit of transformer station's radio communication device gather power quality data from transformer substation end, and process described power quality data;
Power quality data after process is transferred to the second data acquisition Transmit Receive Unit with wireless radio frequency mode by the first data acquisition Transmit Receive Unit;
The data processing of mobile monitoring Platform communication device and data relay control module process the power quality data that the second data acquisition Transmit Receive Unit obtains;
The data back Transmit Receive Unit of remote communication devices and public mobile communications network connect;
Power quality data after data processing and the process of data relay control module is uploaded to power private network by public mobile communications network by data back Transmit Receive Unit;
The power private network communication network node of remote communication devices returns described power quality data according to power quality data request instruction to requestor.
2. the method for claim 1, is characterized in that:
After second data acquisition Transmit Receive Unit and the first data acquisition Transmit Receive Unit connect, also comprise: data processing and data relay control module select the one that transfer efficiency is the highest at least two kinds of first data transmission modes, as the data transfer mode between the second data acquisition Transmit Receive Unit and the first data acquisition Transmit Receive Unit;
After data back Transmit Receive Unit and public mobile communications network connect, also comprise: data processing and data relay control module select the one that transfer efficiency is the highest at least two kind of second data transfer mode, as the data transfer mode between data back Transmit Receive Unit and public mobile communications network.
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Cited By (1)
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Address after: 518000 Guangdong city of Shenzhen province Futian District Fu Street No. 1006 Shennan Avenue International Innovation Center building E 1-3 Applicant after: Shenzhen radio detection Institute for Research and Technology Applicant after: Radiosky Radio Equipment Testing (Beijing) Co., Ltd. Applicant after: The State Radio Monitoring Center Testing Center Address before: 518000 Guangdong city of Shenzhen province Futian District Fu Shennan Avenue street 100 Avenue 100 Fu Street No. 6 Shennan E International Innovation Center building 1-3 layer Applicant before: Shenzhen radio detection Institute for Research and Technology Applicant before: Radiosky Radio Equipment Testing (Beijing) Co., Ltd. Applicant before: The State Radio Monitoring Center Testing Center |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |