CN103076513A - Portable electric energy quality analysis method - Google Patents
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- CN103076513A CN103076513A CN2012105593127A CN201210559312A CN103076513A CN 103076513 A CN103076513 A CN 103076513A CN 2012105593127 A CN2012105593127 A CN 2012105593127A CN 201210559312 A CN201210559312 A CN 201210559312A CN 103076513 A CN103076513 A CN 103076513A
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Abstract
The invention relates to the field of the power system, in particular to a portable electric energy quality analysis method. According to the portable electric energy quality analysis method, the problems of insufficient electric energy data processing effectiveness and instantaneity as well as management in the portable electric energy quality analysis field are solved. The portable electric energy quality analysis method is characterized by comprising the following steps: (1) a data source module collects and analyzes to obtain electric energy data, the electric energy data which does not need to be stored is displayed in real time, and the electric energy data which needs to be stored is sent to a data storage module by the data source module; (2) the data storage module obtains the electric energy data from a data acquisition module and stores the electric energy data; (3) an alarm processing module obtains and analyzes real-time data from the data source module, and abnormal data obtained after analysis is sent to the data storage module to be stored; and (4) a data communication module receives data from the data storage module and transmits the data to a remote upper computer via the Ethernet, USB (universal serial bus) and a user-defined transmission mode for the remote upper computer to process the data.
Description
Technical field
The present invention relates to field of power, especially relate to a kind of portable electric energy mass analysis method.
Background technology
In today of national economy high speed development, because the increasing substantially of electricity needs, electricity power engineering of today is by traditional low capacity, low pressure, and the state of low speed enters large capacity, UHV (ultra-high voltage), high frequency, the full-automatic stage.But, in the electrical network high speed development, some disconnection that then seems of the monitoring of power quality problem, resolution ability.
The portable electric energy mass-synchrometer is a kind ofly can offer the Power Quality Detection equipment that the network operation personnel carry, and can be fast real-time reaction also solves power quality problem.
Compare with novel portable electric energy mass analysis method, the analytical approach of traditional portable electric energy quality is existing a lot of deficiencies to energy data processing and monitoring, mainly can be embodied in following several aspect:
(1) the data processing to the quality of power supply is not prompt enough, and traditional portable electric energy mass analysis method is merely able to often energy data is recorded preservation, and the function of real-time analysis data is not provided when processing energy data.Novel portable electric energy mass analysis method provides real-time processing, demonstration for energy data.
(2) data processing precision is excessively low, comparatively speaking, this is the deficiency of most portable electric energy mass analysis method aspect the processing energy data, the precision of often processing in data has very large error, and the main advantage of novel portable electric energy mass analysis method just is and can makes the higher analysis of precision, processing for data.
(3) data are stored inadequate hommization, and traditional power quality analysis method is comparatively single to the storage mode of data, and the data storage classification are also existed a lot of not enough.And novel portable electric energy mass analysis method is complete comprehensively and the design of hommization for data storages.
According to above contrast as can be known, novel portable electric energy mass analysis method can bring very large raising on power quality analysis is processed, be a kind of huge advantage.
Summary of the invention
The present invention is a kind of portable electric energy mass analysis method, is used for statistics, record and assessment energy data.System is comprised of data source module, data memory module, warning processing module and data communication module.It is characterized in that: the data source module gathers, filters, analyzes, calculates electric power signal and to the forwarding of result data; Data memory module is to from the storage of the energy data of other modules and to the distribution of energy data; Warning processing module is carried out analyzing and processing out-of-limit, transient event to energy data; Parsing when carrying out transport communication between data communication module and the long-range host computer and to the processing of energy data.Fig. 1 is the modular structure figure of system, and the job step between each module is as follows:
(1) data source module collection analysis obtains energy data, the energy data that does not need to store is shown in real time, and the energy data that will store sends to data memory module;
(2) data memory module obtains energy data from the data source module, and energy data is stored;
(3) warning processing module obtains real time data and analysis from the data source module, the abnormal data that obtains after analyzing is sent to data memory module store;
(4) data communication module sends data to long-range host computer from the data memory module receive data by Ethernet, USB and self-defined transmission mode, for long-range host computer data is processed.
The data source module
The purpose of design data source module is independent from system in order to obtain data and forwarding data, it is designed to a module, the data source module is comprised of AD acquisition module, DSP computing module and forwarding module three parts, its work is that the AD acquisition module utilizes sensor that the waveform signal of the voltage/current in the electrical network is gathered, then the DSP computing module carries out computing to the waveform signal of electric energy and obtains energy data, and forward mode is responsible for waveform signal and energy data are transmitted.Accompanying drawing 2 is the data flow diagram of data source module.
(1) waveform signal of the voltage/current in the electrical network gathers by the AD acquisition module, and the AD acquisition module is divided into two parts with the waveform signal that collects, and a part still directly sends to forwarding module with waveform signal, and another part sends to the DSP computing module;
(2) the DSP computing module carries out computing to the waveform signal that receives, and the data that obtain are called energy data, and energy data is transferred to forwarding module;
(3) forwarding module obtains corresponding waveform signal and energy data from AD acquisition module and DSP computing module, and forwards the data to data memory module and warning processing module and display module.
Data memory module
The main business of data storage is that power quality data is carried out record access management, comprising: transient event data, alarm event data, statistics.Data memory module saves the data in the terminal storage equipment, and wherein carry out the data storage at every turn and the time can create a folder content, data Stored Procedure figure as shown in Figure 3, its base conditioning flow process is as follows:
(1) creates single log file folder, name in date Hour Minute Second+R_record mode;
(2) obtain the abnormal data that Wave data, DSP computing module obtain power quality data and warning processing module from the AD acquisition module;
(3) storage statistical data is stored according to the user-defined format file, generates statistics file Statistic, and the storage file of statistics comprises: configuration file and data file;
(4) storage alarm data according to self-defined soe stored in file format, generates the SOE file to this alarm data, saves as warning file;
(5) storage Temporal Data, Wave data enters the out-of-limit judgement of transient state to add up 2 complete cycles, if transient state occurs, then according to the Comtrade stored in file format, this form is followed IEEE Std C37.111-1999 Comtrade standard.Transient event of every generation generates a COMTRADE file, is stored as 4 Comtrade associated documents, is respectively: XXX.HDR, XXX.CFG, XXX.DAT, XXX.INF;
(6) under single log file folder, generate record summary info file recodinfo.cfg and parameter information file recordset.ini.
Detailed fileinfo and the storage class of the single log file folder in the data memory module are as shown in table 1 below.
Table 1 single record contents list
| Title | Type | Whether necessary | Implication |
| recordinfo.cfg | File | Be | Explain the summary info of this time record, see table 2 for details |
| recordset.ini | File | Be | Explain the used parameter of this time record, be the backup of parameter current configuration file |
| COMTRADE | Catalogue | No | Preserve Temporal Data |
| Statistic | Catalogue | No | Preserve statistics |
| SOE | Catalogue | No | Preserve alarm data |
The details of explaining this time record for configuration file as shown in table 2.Data file (* * * * .DATA) is a kind of Binary Text file, according to the certain hour interval, and stores corresponding statistics according to the carrying out of the statistical items of choosing order.
The tabulation of table 2 summary info entry
| Data item | Implication | Example |
| The recorder | Keeper's name | WYK |
| The monitoring point | Detection site | GZZH |
| Record type | Corresponding X sign | HM |
| Hardware version | Hardware version | 011 |
| Software version | Software version | 100 |
| The DSP version | The DSP version | 110 |
| System version | System version | 110 |
| Hardware sequence number | Hardware sequence number | 012345678 |
Warning processing module
Warning processing module comprises two submodules, is respectively Threshold Crossing Alert module and transient state alarm module, and the Threshold Crossing Alert module is that energy data is carried out analyzing and processing, and the transient state alarm module is that waveform signal is carried out analyzing and processing.Two submodules obtain abnormal data and all will send to data memory module and store.Fig. 4 is the workflow diagram of warning processing module.The specific works flow process is as follows:
(1) obtain data result from the data source module, data result comprises energy data and two kinds of data of waveform signal, sends the data to the transient state alarm module, and the transient state alarm module carries out discriminatory analysis to data;
(2) if result data is waveform signal, then waveform signal carries out transient analysis, otherwise, data transfer to the Threshold Crossing Alert module, is carried out out-of-limit analysis by the Threshold Crossing Alert module to data;
(3) the transient state alarm module is preserved first the three-phase waveform signal in buffer zone, then respectively the signal of each phase is analyzed, with the passage that detects the at first event generation passage as event, transient signal is preserved as the event type of preserving whole transient event with the transient state type of this passage;
(4) Threshold Crossing Alert module is stored the beginning of out-of-limit event respectively with finishing as two different records, each phase energy data is stored separately, out-of-limit record is only preserved beginning, concluding time and the time type of event, the process of event is not recorded ripple.
Data communication module
Data communication module obtains data from data memory module, finish data transfer by a communication protocol module between long-range host computer and the equipment.Transmission mode can have USB, Ethernet, self-defined transmission mode, simultaneously, except can finishing the uploading of data, also provides the control function of long-range host computer to equipment end.Fig. 5 is the structural drawing of data communication module, is comprised of communication module, protocol process module, equipment and application program operational module, real-time Data Transmission module and 5 submodules of other functional modules.The concise and to the point function declaration of modules is as shown in table 3:
The explanation of table 3 data communication module structure
| Equipment end module title | Module declaration |
| Communication module | Realization equipment is communicated by letter with the PC end |
| Protocol process module | The communicate by letter parsing of custom protocol of realization equipment and PC end |
| Equipment and application program operational module | The interface of equipment and application program operation is provided |
| The real-time Data Transmission module | Realize the real-time Transmission of PC and equipment room data |
| Other functional modules | Support to other utility functions such as equipment sectional drawings is provided |
Fig. 6 is the process flow diagram of data communication module, and is as follows to the treatment scheme of data:
(1) when long-range host computer need to obtain the data of equipment end, sends message to communication module;
(2) communication module is according to the type of message of long-range host computer, to the message processing of classifying, and calls different interfaces and obtains data, information from equipment end.Wherein, communication module provides the RAPI agreement that is specifically designed to data transmission and processing and obtains the custom protocol of facility information, control.
(3) communication module in the equipment end can be according to the classification of message, the invocation protocol processing module, and protocol process module is resolved agreement.
(4) according to the analysis result of protocol process module, the application program module in the invocation facility end or real-time Data Transmission module are finished long-range host computer to the control of equipment end or the transmission of result data.
Description of drawings
Fig. 1 system module structural drawing;
Fig. 2 data source module data flow graph;
Fig. 3 data Stored Procedure figure;
Fig. 4 warning processing module workflow diagram;
Fig. 5 data communication module structural drawing;
Fig. 6 data communication module process flow diagram;
Fig. 7 portable electric energy quality analysis apparatus deployment diagram;
Fig. 8 portable electric energy quality analysis software work detailed process.
Specific embodiment
The portable electric energy mass analysis method mainly practices in the portable electric energy mass-synchrometer by running in actual applications.With software forms this power quality analysis method is represented.
As shown in Figure 7, this is complete system's deployment diagram of portable electric energy quality analysis apparatus, carry out data communication by long-range pc client and power quality analysis terminal, to finish the portable electric energy quality analysis apparatus to perfect measurement and the processing of electric network data.
(1) the portable electric energy mass-synchrometer is the data acquisition service terminal that can carry with the staff, and the power quality analysis terminal can gather energy data, analyzes, storage and Real-time Feedback;
(2) because this portable electric energy mass analysis method supports USB, Ethernet and self-defined mode to carry out data communication, therefore terminal is with when PC end communicates transmission and is connected, can carry out the connection of multiple interfaces, generally speaking, can be undertaken being connected with the direct of pc client by using USB, thereby data are directly copied to client rs PC;
(3) the PC end can pass through the IP address of input power quality analyzer service end, thereby directly signs in to service end, carries out the download of data, thereby finishes data transfer;
(4) client will be carried out Treatment Analysis to the energy data of accepting, and can realize processing to data by the energy data quality analysis professional software that configures on the client PC.
Substantially can finish the configuration of a complete portable electric energy quality analysis apparatus by above-mentioned steps, from the service terminal reading out data to data analysis, processing, then be transferred on the client rs PC.Utilize client rs PC that energy data is analyzed.
In the whole system deployment scheme, this portable electric energy mass analysis method Main Function is the course of work of the software of portable electric energy mass-synchrometer in the treatment scheme of software to energy data as shown in Figure 8.
(1) data source module collection analysis obtains energy data, the energy data that does not need to store is shown in real time, and the energy data that will store sends to data memory module;
(2) data memory module obtains energy data from the data source module, and energy data is stored;
(3) warning processing module obtains real time data and analysis from the data source module, the abnormal data that obtains after analyzing is sent to data memory module store;
(4) data communication module sends data to long-range host computer from the data memory module receive data by Ethernet, USB and self-defined transmission mode, for long-range host computer data is processed.
Claims (5)
1. portable electric energy mass analysis method, be used for statistics, record and assessment energy data, system is comprised of data source module, data memory module, warning processing module and data communication module, it is characterized in that, the data source module gathers, filters, analyzes, calculates electric power signal and to the forwarding of result data; Data memory module is to the storage from the energy data of other modules; Warning processing module is carried out analyzing and processing out-of-limit, transient event to energy data; Parsing when carrying out transport communication between data communication module and the long-range host computer and to the processing of energy data, the job step between each module is as follows:
1) data source module collection analysis obtains energy data, the energy data that does not need to store is shown in real time, and the energy data that will store sends to data memory module;
2) data memory module obtains energy data from data acquisition module, and energy data is stored;
3) warning processing module obtains real time data and analysis from the data source module, the abnormal data that obtains after analyzing is sent to data memory module store;
4) data communication module sends data to long-range host computer from the data memory module receive data by Ethernet, USB and self-defined transmission mode, for long-range host computer data is processed.
2. a kind of portable electric energy mass analysis method according to claim 1 is characterized in that, described data source module is comprised of AD acquisition module, DSP computing module and forwarding module, and is as follows to the treatment step of electric power signal:
1) waveform signal of the voltage/current in the electrical network gathers by the AD acquisition module, and the AD acquisition module is divided into two parts with the waveform signal that collects, and a part still directly sends to forwarding module with waveform signal, and another part sends to the DSP computing module;
2) the DSP computing module carries out computing to the waveform signal that receives, and the data that obtain are called energy data, and energy data is transferred to forwarding module;
3) forwarding module obtains corresponding waveform signal and energy data from AD acquisition module and DSP computing module, and forwards the data to data memory module and warning processing module and display module.
3. a kind of portable electric energy mass analysis method according to claim 1 is characterized in that, described data memory module is to the storage from the energy data of other modules, and concrete treatment step is as follows:
1) creates single log file folder, name in date Hour Minute Second+R_record mode;
2) obtain the abnormal data that Wave data, DSP computing module obtain power quality data and warning processing module from the AD acquisition module;
3) storage statistical data is stored according to the user-defined format file, generates statistics file Statistic, and the storage file of statistics comprises: configuration file and data file;
4) storage alarm data according to self-defined soe stored in file format, generates the SOE file to this alarm data, saves as warning file;
5) storage Temporal Data, Wave data enters the out-of-limit judgement of transient state to add up 2 complete cycles, if generation transient state, then according to the Comtrade stored in file format, this form is followed IEEE Std C37.111-1999 Comtrade standard, transient event of every generation generates a COMTRADE file, is stored as 4 Comtrade associated documents, is respectively: XXX.HDR, XXX.CFG, XXX.DAT, XXX.INF;
6) under single log file folder, generate record summary info file recodinfo.cfg and parameter information file recordset.ini.
4. a kind of portable electric energy mass analysis method according to claim 1 is characterized in that, described warning processing module is comprised of Threshold Crossing Alert module and transient state alarm module, and is as follows to the treatment step of data:
1) obtain data result from the data source module, data result comprises energy data and two kinds of data of waveform signal, sends the data to the transient state alarm module, and the transient state alarm module carries out discriminatory analysis to data;
2) if result data is waveform signal, then waveform signal carries out transient analysis, otherwise, data transfer to the Threshold Crossing Alert module, is carried out out-of-limit analysis by the Threshold Crossing Alert module to data;
3) the transient state alarm module is preserved first the three-phase waveform signal in buffer zone, then respectively the signal of each phase is analyzed, with the passage that detects the at first event generation passage as event, transient signal is preserved as the event type of preserving whole transient event with the transient state type of this passage;
4) Threshold Crossing Alert module is stored the beginning of out-of-limit event respectively with finishing as two different records, each phase energy data is stored separately, out-of-limit record is only preserved beginning, concluding time and the time type of event, the process of event is not recorded ripple.
5. a kind of portable electric energy mass analysis method according to claim 1, it is characterized in that, described data communication module is comprised of communication module, protocol process module, equipment and application program operational module, real-time Data Transmission module and 5 submodules of other functional modules, and is as follows to the treatment scheme of data:
1) when long-range host computer need to obtain the data of equipment end, sends message to communication module;
2) communication module is according to the type of message of long-range host computer, to the message processing of classifying, and call different interfaces and obtain data, information from equipment end, wherein, communication module provides the RAPI agreement that is specifically designed to data transmission and processing and obtains the custom protocol of facility information, control;
3) communication module in the equipment end is according to the classification of message, the invocation protocol processing module, and protocol process module is resolved agreement;
4) according to the analysis result of protocol process module, the application program module in the invocation facility end or real-time Data Transmission module are finished long-range host computer to the control of equipment end or the transmission of result data.
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Cited By (3)
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| CN104601646A (en) * | 2014-10-29 | 2015-05-06 | 北京伯仲佳和石油技术开发有限公司 | Oilfield electric power intelligent analyzing and optimizing energy efficiency management system |
| CN105486895A (en) * | 2015-12-29 | 2016-04-13 | 国网浙江省电力公司湖州供电公司 | Biprotocol ammeter |
| CN105844541A (en) * | 2016-04-06 | 2016-08-10 | 国家电网公司 | Intelligent transformer station equipment soft strap data storage and exchange system |
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Application publication date: 20130501 |