WO2021051656A1 - 宽频测量数据的处理方法、装置、电子设备及介质 - Google Patents

宽频测量数据的处理方法、装置、电子设备及介质 Download PDF

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WO2021051656A1
WO2021051656A1 PCT/CN2019/121986 CN2019121986W WO2021051656A1 WO 2021051656 A1 WO2021051656 A1 WO 2021051656A1 CN 2019121986 W CN2019121986 W CN 2019121986W WO 2021051656 A1 WO2021051656 A1 WO 2021051656A1
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file
analysis
data
oscillation
broadband measurement
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PCT/CN2019/121986
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English (en)
French (fr)
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樊陈
姚建国
倪益民
张海东
赵国庆
孙名扬
于芳
姜玉磊
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中国电力科学研究院有限公司
国家电网有限公司
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Priority to EP19945662.5A priority Critical patent/EP4033261A4/en
Publication of WO2021051656A1 publication Critical patent/WO2021051656A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/2513—Arrangements for monitoring electric power systems, e.g. power lines or loads; Logging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
    • H02J3/242—Arrangements for preventing or reducing oscillations of power in networks using phasor measuring units [PMU]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G01R23/20—Measurement of non-linear distortion
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

Definitions

  • the present disclosure relates to the field of power automation, for example, to a method, device, electronic equipment, and medium for processing broadband measurement data.
  • the measurement and control devices included in the substation, PMU (Phasor Measurement Unit, synchronous vector measurement device), power quality monitoring device and other equipment concerned about measurement signals are based on 50Hz power frequency Signal, the measurement and control device involves voltage and current measurement in the 13th harmonic range, PMU involves the power frequency fundamental phasor measurement in the range of 45-55Hz, and the power quality monitoring device currently only requires the measurement of the 19th harmonic, up to the 50th order. harmonic.
  • power grid signals appear to be based on power frequency signals and contain a large number of interharmonics and high-order harmonics. These non-power frequency interharmonic signals have caused new types of The sub-/super-synchronous oscillation and even higher frequency broadband oscillation affect the safety of power grid operation.
  • the modified PMU is used to monitor sub-/super-synchronous oscillations, but the amount of fundamental, inter-harmonic, and high-order harmonic data involved in broadband measurement increases with the increase in the types of power electronic equipment.
  • the current PMU transmission protocol cannot Meet the transmission requirements of broadband measurement data.
  • WAMS Wide Area Measurement System
  • WAMS Wide Area Measurement System
  • the workload requires a lot of human resources to monitor and analyze broadband measurement data.
  • the dispatch master station stores a large amount of broadband measurement data, which causes a waste of storage resources and makes the operation monitoring efficiency of the dispatch master station low.
  • the present disclosure provides a method for processing broadband measurement data, including:
  • the broadband measurement data includes a broadband measurement value, a fault recording file and alarm information
  • the broadband measurement value includes a fundamental wave measurement value, a harmonic measurement value, and an interharmonic measurement value.
  • the present disclosure also provides a processing device for broadband measurement data, including:
  • the acquisition module is set to acquire broadband measurement data of the substation
  • the analysis and processing module is configured to perform preprocessing analysis on the broadband measurement data to obtain a preprocessing analysis file, and perform diagnostic analysis on the broadband measurement data, and combine the preprocessing analysis file to obtain a station domain analysis brief;
  • the external interaction module is set to transmit broadband measurement data, preprocessing analysis files and station domain analysis briefings to the dispatch master station, and receive operation control instructions from the dispatch master station;
  • the broadband measurement data includes a broadband measurement value, a fault recording file and alarm information
  • the broadband measurement value includes a fundamental wave measurement value, a harmonic measurement value, and an interharmonic measurement value.
  • the present disclosure also provides an electronic device, including:
  • At least one processor At least one processor
  • Memory set to store at least one computer program
  • the at least one processor When the at least one computer program is executed by the at least one processor, the at least one processor implements the aforementioned broadband measurement data processing method.
  • the present disclosure also provides a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are used to execute the aforementioned broadband measurement data processing method.
  • the present disclosure obtains pre-processing analysis files and station-domain analysis briefings through preprocessing analysis and diagnostic analysis of broadband measurement data, which can effectively provide clearer and targeted conclusions for the dispatch master station, and simplify the data transmitted to the dispatch master station. , Reduce the workload of data storage and analysis of the dispatching master station, can effectively improve the ability and level of power grid operation monitoring, and ensure the safety of power grid operation.
  • Fig. 1 is a flowchart of a method for processing broadband measurement data of the present disclosure
  • FIG. 2 is a flowchart of a specific processing method of broadband measurement data according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of an apparatus for processing broadband measurement data according to an embodiment of the present invention.
  • FIG. 4 is another structural diagram of the apparatus for processing broadband measurement data according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the hardware structure of an electronic device according to an embodiment of the present invention.
  • This disclosure analyzes the wideband measurement data encountered in actual projects because the transmission channel cannot be transmitted in large quantities and the dispatch master station needs to simplify the transmission data requirements. From the perspective of the monitoring operation of the power grid itself, it avoids the real-time transmission of a large number of wideband measurement data. . When the power grid is operating normally, a large amount of broadband measurement data not only seriously occupies the communication bandwidth, but also does not help the operation and maintenance of the dispatching master station. For this reason, it is proposed to preprocess and analyze the broadband measurement data at the substation site level. Only the diagnosis and analysis results are sent to the plan of the dispatch master station.
  • this disclosure proposes a station-domain storage and analysis method for broadband measurement data, and develops corresponding devices, which can not only realize the unified reception of wide-band measurement data of the entire station at the station-domain level , Storage, query and display, as well as preprocessing analysis and in-depth diagnostic analysis of a large number of broadband measurement data, and combining broadband measurement data to give various station domain analysis briefs, which can effectively provide a clearer and more targeted dispatching master station.
  • This conclusion further simplifies the transmission of broadband measurement data to the dispatch master station, as well as the workload of dispatch master station data storage and analysis, which can effectively improve the ability and level of power grid operation monitoring, ensure the safety of power grid operation, and make the dispatch master Station operation monitoring is more targeted.
  • the technical solution provided by the present disclosure is a processing method of broadband measurement data, and the processing method includes storage and analysis of broadband measurement data:
  • Step S1 Obtain broadband measurement data of the substation
  • Step S2 Perform preprocessing analysis on the broadband measurement data to obtain a preprocessing analysis file
  • Step S3 Perform diagnostic analysis on the broadband measurement data, and obtain a station-domain analysis brief in combination with the preprocessing analysis file;
  • Step S4 Transmit the broadband measurement data, the preprocessing analysis file and the station domain analysis briefing report to the dispatch master station, and receive the operation control instructions of the dispatch master station;
  • the broadband measurement data includes a broadband measurement value, a fault recording file and alarm information
  • the broadband measurement value includes a fundamental wave measurement value, a harmonic measurement value, and an interharmonic measurement value.
  • Step S1 Obtain broadband measurement data of the substation, including:
  • Obtain the fault recording file by at least one of the following methods: active upload by the underlying device, regular call, and remote access;
  • the fault recording file includes a CFG (Configuration) file, a DATA (data) file, and an HDR (Header File) header file
  • the HDR header file includes the type of alarm information, the starting time of the fault recording, and the ending time.
  • the fundamental wave measurement value includes a voltage fundamental wave measurement value and a current fundamental wave measurement value
  • the harmonic measurement value includes a voltage harmonic measurement value and a current harmonic measurement value
  • the interharmonic measurement The value includes the voltage interharmonic measurement value and the current interharmonic measurement value.
  • Step S11 Obtain broadband measurement values, fault recording files and alarm information: one or more broadband measurement devices are set up in the interval layer of the substation according to requirements for unified measurement of the fundamental wave, harmonics and inter-harmonics of the power grid , Install the station domain storage and analysis device in the station control layer of the substation.
  • the station domain storage and analysis device is connected to all the broadband measurement devices of the whole station to obtain the broadband measurement data, related files and alarm information of the whole station.
  • the acquisition of broadband measurement values, fault record files and alarm information includes the following steps:
  • the broadband measurement device is connected to the station domain storage and analysis device by means of direct connection or separate networking. Broadband measurement devices can usually be connected to 1-4 electrical intervals at the same time. If there are fewer broadband measurement devices in the substation, it can be connected to the station domain storage and analysis device through a direct network connection. If the broadband measurement device is configured, If the number of ports that can be accessed by the station-domain storage and analysis device is exceeded, an independent broadband measurement network is established, and the station-domain storage and analysis device directly connects to the network to obtain all the broadband measurement devices.
  • the broadband measurement values and alarm information required by the station domain storage analysis device are subscribed through remote configuration, and data subscription is realized by configuring different objects.
  • the broadband measurement device transmits fundamental wave, interharmonic and harmonic measurement values and each type of alarm information according to the subscription object, and the data transmission is transmitted through the IEC (International Electrotechnical Commission) 61850 standard.
  • the acquisition of fault recording files supports three acquisition methods, which are active uploading from the underlying device, scheduled call, and remote access.
  • the broadband measurement device will actively transmit to the station-domain storage and analysis device as soon as the fault record is generated; in the regular call mode, the station-domain storage and analysis device According to the set time interval, the recording files are called to the broadband measurement device at regular intervals. Once there are new recording files, they will be transmitted together. Only the latest generated recording files will be transmitted. The transmitted recording files will not be transmitted; remote access In the mode, all the recorded wave files are stored in the broadband measurement device.
  • the dispatching master station If the dispatching master station needs to read a certain wave file, it will transfer the read wave files to the station domain storage and analysis device during the reading.
  • the fault recording files for broadband measurement include CFG configuration files, DATA files and HDR header files.
  • the HDR header file contains the type of alarm information, the start time and end time of the fault recording, and the configuration information of the device.
  • the above method also includes: classifying the broadband measurement data, establishing and storing an association relationship between each type of data.
  • the establishment and storage of an association relationship between each type of data includes:
  • the alarm information is stored in the associated database in a time sequence.
  • Step S12. Classified storage and query of broadband measurement values, fault record files and alarm information:
  • the station-domain storage and analysis device will store and correlate the data from the broadband measurement device of the whole station after receiving it, which is convenient for future query and analysis.
  • the classified storage and query of broadband measurement values, fault record files and alarm information includes the following processes:
  • Classified storage The received broadband measurement values, fault recording files and alarm information are classified and stored, the recording files are stored in a file database, the broadband measurement values are stored in accordance with the real-time database, and the alarm information is stored in the associated database.
  • the station domain storage and analysis device will automatically correlate, which is convenient for subsequent queries.
  • Broadband measurement values take the spectrum range as the boundary, and the frequency resolution accuracy as the step size.
  • Set the names of all measurement values that is, voltage data or current data, to form three queryable dimensions of frequency, amplitude, and time.
  • the amplitude includes two types of voltage and current.
  • the range of broadband measurement at this stage is 0-50 harmonics, that is, 0-2500 Hz, and the frequency resolution is 1 Hz.
  • Disturbance record files are stored and queried in three ways: broadband measurement device, line interval, start and end time.
  • the signals are stored in sequence according to the time when each alarm event occurs, and the fault record file triggered by the alarm information is also automatically associated.
  • querying alarm events if there is a corresponding recording file, it will be displayed together and can be accessed directly.
  • the above method After establishing an association relationship between each type of data and storing it, the above method also includes:
  • the technical solution provided by the present disclosure can realize the unified reception, storage and query of broadband measurement data of the whole station, reduces the pressure of storage and analysis of the dispatching master station, and improves the ability and level of power grid operation monitoring.
  • Step S2 Perform preprocessing analysis on the broadband measurement data to obtain a preprocessing analysis file, including:
  • Step S13 Preprocessing analysis + diagnostic analysis:
  • the station domain storage and analysis device will automatically perform preprocessing analysis after receiving all broadband measurement data, filtering and statistics for each type of data , Refine the characteristic result information, and then transmit it to the dispatch master station, thereby simplifying the information interaction and transmission with the dispatch master station.
  • the preprocessing analysis of broadband measurement data adopts the following methods:
  • the station area analysis briefing includes an oscillation early warning briefing, a sub-/super-synchronous oscillation station area analysis briefing, a sub-synchronous oscillation source location briefing, and an interharmonic over-limit warning station area briefing.
  • Step S3 performing diagnostic analysis on the broadband measurement data, and combining with the preprocessing analysis file to obtain a station-domain analysis briefing, including:
  • the dominant frequency and amplitude of the oscillation are continuously calculated during the oscillation process until When the oscillation disappears, analyze the relationship between the oscillation amplitude and time, the relationship between the oscillation power and time, and the damping ratio of the sub-/super-synchronous oscillation at each dominant frequency, and generate the sub-/super-synchronous oscillation station domain analysis brief;
  • the order of oscillation in each line interval is obtained, based on the magnitude of the oscillation amplitude, the oscillation frequency of each line interval is counted, and the oscillation is adjusted according to the magnitude of the oscillation amplitude. Sorting at intervals, and generating the sub-synchronous oscillation source positioning briefing based on the oscillation source that meets the oscillation condition;
  • the station domain storage and analysis device For the diagnostic analysis at the station domain level of broadband measurement data, in addition to the preprocessing analysis, the station domain storage and analysis device also performs diagnostic analysis based on all the broadband measurement values received and stored, fault record files and alarm information. Simplify the analysis work of the dispatch master station and provide the diagnosis analysis result for the dispatch master station.
  • the diagnostic analysis method is to generate oscillation warning briefings, sub-/super-synchronous oscillation station domain analysis briefings, sub-/super-synchronous oscillation source location briefings, and interharmonic over-limit alarm station domain briefings in the form of files, and store them as briefing reports in XML format
  • the documents are as follows:
  • the sub-/super-synchronous oscillation source location briefing firstly analyzes the time section of the sub-/super-synchronous oscillation alarms at the station-wide level, and clarifies the order of oscillation in each line interval, and then in accordance with the oscillation amplitude. Calculate the oscillation frequency of each line interval, sort the oscillation intervals according to the magnitude of the amplitude, and give a brief report on the judgment and analysis of suspicious oscillation sources;
  • the interharmonic over-limit warning station domain briefing compares each sub-harmonic voltage amplitude, current amplitude, and total interharmonic voltage content measured within the wideband signal range with the set value. Analyze, form an inter-harmonic voltage and current over-limit alarm briefing, give out the over-limit inter-harmonic voltage, frequency and amplitude of the inter-harmonic current and the corresponding total content of inter-harmonic voltage and inter-harmonic current, and Store in the form of a newsletter.
  • Step S4. Transmit broadband measurement data, preprocessing analysis files and station domain analysis briefings to the dispatch master station, and receive operation control instructions from the dispatch master station, including:
  • the historical data file is generated based on the frequency-amplitude-time data obtained in the real-time database, the file database, and the associated database based on the substation, the broadband measurement device and the set interval specified by the dispatch master station A file in CSV (Comma-Separated Values) format.
  • CSV Common-Separated Values
  • transmitting broadband measurement data, preprocessing analysis files and station domain analysis briefings to the dispatching master station, and receiving operation control instructions of the dispatching master station including:
  • the extended GB/T26865.2 protocol includes: through the configuration of the original message data, the use of the gap of each frame of message transmission to realize the transmission of the fundamental wave measurement value, the harmonic measurement value and the interharmonic measurement value , And the use of extended message frame types to realize the transmission of inter-harmonic measurement values and high-order harmonic measurement values.
  • the technical solution provided by the present disclosure can perform preprocessing analysis and in-depth diagnostic analysis on a large number of broadband measurement data, and provide analysis briefings for each type of station domain, provide clearer and targeted analysis results for the dispatching master station, and further simplify broadband
  • the transmission of measurement data to the dispatching master station ensures the safe operation of the power grid.
  • Step S14 External information interaction of the station domain storage and analysis device:
  • the station domain storage and analysis device will send the preprocessing analysis file, station domain analysis briefing, fault record file, data information, etc. to the dispatch master station according to the requirements of the dispatch master station Transmission, the content of transmission can be realized through subscription, as follows:
  • the files transmitted to the dispatching master station include fault record files, preprocessing analysis files, site analysis briefings, and historical data files.
  • the historical data files can specify substations, broadband measurement devices and intervals, select the set time period, and obtain The frequency-amplitude-time three-dimensional data of the station storage device is transmitted in CSV file format.
  • the station area analysis briefing includes each type of early warning briefing, sub-/super-synchronous oscillation station area analysis briefing, sub-/super-synchronous oscillation source location briefing, and inter-harmonic over-limit warning station domain briefing;
  • the measured value includes the three-phase fundamental voltage, current, and frequency of the dynamic fundamental phasor, and the dominant oscillation frequency and amplitude value when oscillating.
  • the measurement data when there is no oscillation is transmitted in the form of statistical analysis files;
  • the transmission of files, alarm information and real-time measurement data adopts the extended GB/T26865.2 protocol transmission.
  • the frame type method realizes the transmission of inter-harmonics and high-order harmonics.
  • the station-domain storage and analysis device is mainly used to transmit broadband measurement data to the dispatching master station, but it also retains the interface to interact with plant equipment and systems to facilitate the transmission of alarm information, etc., and other equipment and monitoring systems inside the substation. It still uses the IEC61850 standard for transmission.
  • the present disclosure also provides a device for processing broadband measurement data.
  • the device is configured to receive, analyze, and store broadband measurement data. It can also be referred to as a station-domain storage and analysis device, and includes at least one broadband measurement device in the substation.
  • the device and the station-domain storage and analysis device are connected to the station-domain storage and analysis device by means of direct network connection or separate networking.
  • the broadband measurement device is arranged at the bay level of the substation, and is configured to measure broadband measurement data in the substation, and send the measured data to the station domain storage and analysis device.
  • the station domain storage and analysis device is set at the station control layer of the substation, and is set to store and analyze the received broadband measurement data, generate a briefing file, and send the briefing file to the dispatch master station based on commands.
  • the broadband measurement data includes: power grid fundamental wave, harmonic and inter-harmonic data.
  • the implementation method can be a commonly used embedded device. Because its real-time requirements are not high, the existing Linux systems meet its requirements.
  • the IRIG-B time synchronization function needs to be configured on the port of the device, and the station domain storage and analysis device needs to be configured with more than 4 100M communication network ports.
  • a broadband measurement data processing device includes: a data and file calling module 310, a data storage and query module 320, a preprocessing analysis and diagnosis analysis module 330, and an external interaction module 340, These correspond to the main functions in its implementation method.
  • a synchronization time synchronization module 350 is added to receive IRIG-B (Inter-Range Instrumentation Group-B, Inter-Range Instrumentation Group-B format) time synchronization signals provided by other external equipment. .
  • IRIG-B Inter-Range Instrumentation Group-B, Inter-Range Instrumentation Group-B format
  • Data and file calling module 310 set to obtain substation broadband measurement data, fault record files, and alarm information;
  • Data storage and query module 320 set to classify and store real-time broadband measurement data, alarm information, and fault recording files, and provide automatic association and query services for broadband measurement data, alarm information, and recording files at the same time;
  • Preprocessing analysis and diagnostic analysis module 330 set to perform preprocessing statistical analysis on broadband measurement data, and form preprocessing statistical analysis files from the statistical analysis results, and perform broadband measurement data, alarm information and fault recording files of the entire station Diagnosis analysis, forming station area diagnosis analysis result, and forming station area analysis briefing report for each type of station area diagnosis analysis result;
  • External interaction module 340 set to transmit broadband measurement data, preprocessing statistical analysis files, analysis briefs for each type of station domain, and wave recording files to the dispatch master station, and receive operation control instructions from the dispatch master station at the same time.
  • Synchronous time synchronization module 350 Receive external IRIG-B time synchronization.
  • the method for processing broadband measurement data proposed in the present disclosure has the following steps:
  • the acquired broadband measurement data includes real-time measured power frequency signal measurement values, inter-harmonic measurement values, and harmonic measurement values, as well as each type of alarm information.
  • the acquired fault recording files include CFG configuration files, DATA files and HDR header files.
  • the HDR header file contains the type of alarm information, the starting time and ending time of the fault recording, and the configuration information of the device.
  • the broadband measurement data in the present disclosure includes broadband measurement values, fault record files, and alarm information, and the broadband measurement values include fundamental wave measurement values, harmonic measurement values, and interharmonic measurement values.
  • the received broadband measurement data is classified and stored, the fault recording files are stored in the file database, the broadband measurement values are stored in accordance with the real-time database, and the alarm data is stored in accordance with the associated database;
  • Broadband measurement values take the spectrum range as the boundary, the frequency resolution accuracy as the step size, set the name of all measurement data, display the corresponding current amplitude, and then store the data according to the time to form the frequency and amplitude , Time storage and query dimensions;
  • the fault record file is stored and queried in three ways: broadband measurement device, line interval, start and end time;
  • the alarm signals are stored in sequence according to the time of each event.
  • the fault recording files triggered by the alarm information are automatically associated, and the correlation between the alarm information, the fault recording files and the corresponding broadband measurement values is established.
  • interharmonic over-limit alarm station domain briefing compare and analyze each sub-harmonic voltage amplitude, current amplitude, and the total content of interharmonic voltage measured in the wideband signal range with the set value, forming Interharmonic voltage and current over-limit alarm briefing, giving out the frequency and amplitude of the over-limit inter-harmonic voltage, inter-harmonic current, and the corresponding total content value of inter-harmonic voltage and inter-harmonic current, and generating inter-harmonics Briefing on the over-limit alarm station domain.
  • the station area analysis briefing includes each type of early warning briefing, sub-/super-synchronous oscillation station domain analysis briefing, sub-/super-synchronous oscillation source location briefing, and inter-harmonic over-limit warning station domain briefing.
  • the GB/T26865.2 protocol expanded in this disclosure can be expanded in the following two ways:
  • the transmission gap of each frame of message is used to realize the transmission of fundamental wave, harmonics and inter-harmonics
  • the broadband measurement data processing device provided by the present disclosure mainly includes the following functional modules:
  • Broadband measurement data and file calling module 410 set to obtain broadband measurement data of the substation
  • Broadband measurement data storage and query module 420 set to classify and store broadband measurement data, and provide automatic association and query services for broadband measurement values, alarm information, and fault record files;
  • Broadband measurement data preprocessing analysis and diagnostic analysis module 430 set to perform preprocessing statistical analysis on the broadband measurement data, and form a preprocessing analysis file from the statistical analysis results to record the broadband measurement values, alarm information and fault records of the entire station The file is diagnosed and analyzed to form the station area diagnosis analysis result, and each type of station area diagnosis analysis result is formed into the station area analysis briefing report;
  • Broadband measurement data external interaction module 440 set to transmit broadband measurement data, preprocessing statistical analysis files, analysis briefings for each type of station domain, and fault record files to the dispatch master station, and receive operation control instructions from the dispatch master station at the same time.
  • Synchronous time synchronization module 450 Receive external IRIG-B time synchronization.
  • the broadband measurement data and file calling module 410 has the following features, including:
  • the data acquisition unit 411 is set to be realized through remote configuration, and data acquisition is realized by configuring different data objects, including power frequency signal measurement values, interharmonic measurement values, and harmonic measurement values, as well as each type of alarm information;
  • the file acquisition unit 412 is configured to acquire the CFG configuration file, DATA file and HDR header file including the fault recorder, where the HDR header file contains the type of alarm information, the start time and end time of the fault recorder, and the configuration of the device information.
  • the acquisition of fault recording files supports three acquisition methods, namely, active uploading of the underlying device, regular call, and remote access.
  • the broadband measurement data storage and query module 420 includes the following features:
  • the classification storage unit 421 is configured to classify and store the received broadband measurement data, the fault record file is stored in the file database, the broadband measurement value is stored according to the real-time database, and the alarm data is stored according to the associated database;
  • the broadband measurement value query unit 422 is set to take the range of the frequency spectrum as the boundary and the accuracy of the frequency resolution as the step size, set the names of all measurement data, display the voltage and current amplitudes corresponding to each frequency, and then follow Time for data storage, forming three queryable dimensions of frequency, amplitude, and time;
  • the fault recorder file query unit 423 is set to perform storage and query in three ways: broadband measurement device, line interval, and start and end time;
  • the alarm information query unit 424 is set to store sequentially according to the time when each event occurs, and at the same time, it will automatically associate the recording files triggered in the same time period.
  • the broadband measurement data preprocessing analysis and diagnosis analysis module 430 includes the following features:
  • the harmonic preprocessing unit 431 is set to count the maximum, minimum and average values of the harmonics within the broadband measurement range within a set time;
  • the inter-harmonic pre-processing unit 432 is set to count the maximum, minimum and average values of the current and voltage inter-harmonic amplitudes within a set time;
  • the sub-/super-synchronous oscillation preprocessing unit 433 is set to statistically analyze the frequency and amplitude of the N dominant oscillation components within the sub-/super-synchronous oscillation range, and statistically analyze the oscillation frequency with the most occurrences and the frequency at the set time Number of occurrences within;
  • the pre-processing file generating unit 434 is configured to automatically write the statistical analysis results of the above-mentioned harmonic pre-processing unit, inter-harmonic pre-processing unit, and sub-/super-synchronous oscillation pre-processing unit into a file, and output the pre-processing in the form of a file. Processing analysis files;
  • the station domain analysis brief report generation unit 435 is set to perform diagnostic analysis on the received broadband measurement values, alarm information and fault record files, and generate each type of early warning briefing, sub/super synchronous oscillation station domain analysis brief report, and sub/super synchronous oscillation station domain analysis brief report respectively.
  • Super-synchronous oscillation source location briefing, and inter-harmonic over-limit warning station domain briefing, and the briefing report is output in the form of files.
  • the station domain analysis briefing generating unit 435 includes the following features:
  • the realization of early warning briefing is based on the results of preprocessing analysis, statistical analysis of all line intervals in the substation, and the line intervals that have experienced oscillations and over-limit alarms as the focus of attention.
  • the realization of the analysis briefing for the sub/super synchronous oscillation station domain is to start with the occurrence of the sub/super synchronous oscillation alarm, and continue to calculate the dominant frequency and amplitude of the oscillation during the oscillation process until the oscillation disappears, and analyze the oscillation amplitude at each dominant frequency
  • the realization of the sub-/super-synchronous oscillation source location briefing firstly analyzes the time section of the sub-/super-synchronous oscillation alarm at the whole station level, and clarifies the sequence of oscillations in each line interval. Secondly, according to the magnitude of the oscillation amplitude, the time section of each line Statistic about the oscillation frequency of the interval, sort the oscillation interval according to the amplitude, and give a briefing on the location of the suspicious oscillation source;
  • the realization of the inter-harmonic over-limit alarm station domain briefing compares and analyzes each sub-harmonic voltage amplitude, current amplitude, and the total content of inter-harmonic voltage measured in the wide-frequency signal range with the set value, forming an inter-harmonic over-limit Limit alarm briefing, giving out the frequency and amplitude of the over-limit inter-harmonic voltage, inter-harmonic current, and the corresponding total content of inter-harmonic voltage and inter-harmonic current, and store it in the form of a briefing report.
  • the broadband measurement data external transmission module 440 includes the following features:
  • the data receiving unit 441 is configured to receive each type of broadband measurement data, alarm information, wave recording files, etc., transmitted by an external measurement device, and receive external operation control instructions;
  • the data transmission unit 442 is set to externally transmit each type of file, alarm information, real-time measurement value, etc., and supports the transmission of the IEC61850 standard and the extended GB/T26865.2 protocol.
  • a device for processing broadband measurement data including:
  • the acquisition module is set to acquire broadband measurement data of the substation
  • the analysis and processing module is configured to perform preprocessing analysis on the broadband measurement data to obtain a preprocessing analysis file, and perform diagnostic analysis on the broadband measurement data, and combine the preprocessing analysis file to obtain a station domain analysis brief;
  • An external interaction module configured to transmit the broadband measurement data, the preprocessing analysis file, and the station domain analysis briefing report to the dispatch master station, and receive operation control instructions of the dispatch master station;
  • the broadband measurement data includes a broadband measurement value, a fault recording file and alarm information
  • the broadband measurement value includes a fundamental wave measurement value, a harmonic measurement value, and an interharmonic measurement value.
  • the acquisition module includes:
  • a data acquisition unit configured to acquire the broadband measurement value and the alarm information by means of data subscription
  • the file acquisition unit is configured to acquire the fault recording file through at least one of the following methods: active upload by the underlying device, regular call, and remote access;
  • the fault recording file includes a CFG file, a DATA file, and an HDR header file.
  • the HDR header file includes the type of alarm information, the start time and end time of the fault recording, and the configuration information of the device.
  • the fundamental measurement value Including the voltage fundamental wave measurement value and the current fundamental wave measurement value, the harmonic measurement value includes the voltage harmonic measurement value and the current harmonic measurement value, and the interharmonic measurement value includes the voltage interharmonic measurement value and the current interharmonic measurement value. Wave measurement value.
  • the device also includes:
  • the storage module is configured to classify the broadband measurement data, establish an association relationship between each type of data, and store it.
  • the storage module includes:
  • the establishment of an association relationship unit is set to establish an association relationship between the same fault recording file and corresponding broadband measurement value triggered by different alarm information, and the establishment of an association relationship between different fault recording files triggered by the same alarm information and the corresponding broadband measurement value;
  • a real-time database storage unit configured to store the broadband measurement values in the real-time database according to frequency-amplitude-time
  • the file database storage unit is configured to store the fault recording files in the file database according to the broadband measurement device, line interval, and start and end time;
  • the associated database storage unit is configured to store the alarm information in the associated database in a time sequence.
  • the device also includes a query module, and the query module includes:
  • a data query unit configured to query the broadband measurement value through the frequency-amplitude-time dimension
  • a fault recording file query unit configured to query the fault recording file through the broadband measurement device, the line interval, and the start and end time;
  • the alarm information query unit is configured to query the alarm information, the fault record file and the broadband measurement value triggered by the alarm information through the time when the alarm occurs.
  • the analysis processing module includes:
  • a harmonic preprocessing unit configured to count the maximum, minimum, and average values of the harmonic amplitudes in the broadband measurement range and the set time period in the broadband measurement data, and generate a harmonic preprocessing result
  • An interharmonic preprocessing unit configured to count the maximum, minimum, and average values of the interharmonic amplitudes in the broadband measurement range and the set time period in the broadband measurement data, and generate an interharmonic preprocessing result;
  • the sub-/super-synchronous oscillation preprocessing unit is configured to analyze the amplitude and the number of occurrences of the frequency of the dominant component of the sub-/super-synchronous oscillation at the same time within a set time period for the broadband measurement data, according to the frequency-amplitude, The two dimensions of frequency-the number of occurrences respectively count the occurrence of multiple main oscillation frequencies and sort them according to the magnitude and the number of occurrences respectively, and generate the pre-processing results of the secondary/super-synchronous oscillation frequency;
  • the pre-processing file generating unit is set to each interval of the set time period, and generates an XML format based on the harmonic pre-processing results, the inter-harmonic pre-processing results, and the sub-/super-synchronous oscillation frequency pre-processing results The preprocessing analysis file.
  • the station domain analysis briefing includes an oscillation early warning briefing, a sub-/super-synchronous oscillation station domain analysis briefing, a sub-synchronous oscillation source location briefing, and an interharmonic over-limit alarm station domain briefing.
  • the analysis and processing module also includes:
  • the oscillation early warning briefing generation unit is set to perform statistical analysis on all line intervals of the substation based on the data in the preprocessing analysis file. When the ratio of the interharmonic current to the set value is greater than the threshold, an early warning is generated, and the information is generated based on the early warning information. Announcement of oscillation early warning briefing;
  • the sub-/super-synchronous oscillation station domain analysis briefing generating unit is set to be based on the data in the preprocessing analysis file, the fault record file and the alarm information, when the sub-/super-synchronous oscillation alarm occurs, the In the process, continue to calculate the dominant frequency and amplitude of the oscillation until the oscillation disappears, analyze the relationship between the oscillation amplitude and time, the relationship between the oscillation power and time, and the sub/super synchronous oscillation damping ratio at each dominant frequency, and generate all Narrative/super-synchronous oscillation station domain analysis briefing report;
  • the sub-synchronous oscillation source location briefing generating unit is set to count the time section of the sub-/super-synchronous oscillation alarm based on the alarm information, obtain the order of oscillations in each line interval, and calculate the statistics of each line interval based on the magnitude of the oscillation amplitude. Oscillation frequency, and sort the oscillation intervals according to the oscillation amplitude, and generate the sub-synchronous oscillation source positioning briefing based on the oscillation source that meets the oscillation condition;
  • the interharmonic limit alarm station domain briefing generating unit is set to compare and analyze the amplitude and total interharmonic content of each interharmonic within the wideband signal range in the preprocessing analysis file with the setting value to obtain the The frequency, amplitude, and total content of the limited interharmonics are generated, and the interharmonic over-limit warning station domain briefing is generated, and the interharmonics include interharmonic voltage and interharmonic current.
  • the external interaction module includes:
  • the data receiving unit is set to receive each type of broadband measurement value, alarm information, fault record file, and external operation control instructions transmitted by the external measurement device;
  • the data transmission unit is configured to adopt the extended GB/T26865.2 protocol to transmit the fundamental wave measurement value and the alarm information in the broadband measurement data to the dispatch master station in real time, and based on the dispatch master station Sending the fault recorder file, the preprocessing analysis file, the station domain analysis briefing report, and the historical data file to the dispatch master station;
  • the historical data file is generated based on the frequency-amplitude-time data obtained in the real-time database, the file database, and the associated database based on the substation, the broadband measurement device and the set interval specified by the dispatch master station CSV format file;
  • the extended GB/T26865.2 protocol includes: through the configuration of the original message data, the use of the transmission gap of the message frame to realize the transmission of fundamental waves, harmonics and interharmonics, and the use of extended message frame types Ways to realize the transmission of interharmonics and higher harmonics.
  • the device also includes:
  • Synchronous time synchronization module set to receive IRIG-B time synchronization.
  • FIG. 5 is a schematic diagram of the hardware structure of an electronic device according to an embodiment of the present invention. As shown in FIG. 5, the electronic device includes: one or more processors 110 and a memory 120. In FIG. 5, a processor 110 is taken as an example.
  • the electronic device may further include: an input device 130 and an output device 140.
  • the processor 110, the memory 120, the input device 130, and the output device 140 in the electronic device may be connected through a bus or other methods.
  • the connection through a bus is taken as an example.
  • the memory 120 can be configured to store software programs, computer-executable programs, and modules.
  • the processor 110 executes a variety of functional applications and data processing by running software programs, instructions, and modules stored in the memory 120 to implement any one of the methods in the foregoing embodiments.
  • the memory 120 may include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the electronic device, and the like.
  • the memory may include volatile memory such as Random Access Memory (RAM), and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • RAM Random Access Memory
  • the memory 120 may be a non-transitory computer storage medium or a transitory computer storage medium.
  • the non-transitory computer storage medium for example, at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the memory 120 may optionally include memories remotely provided with respect to the processor 110, and these remote memories may be connected to the electronic device through a network. Examples of the aforementioned network may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the input device 130 may be configured to receive input digital or character information, and generate key signal input related to user settings and function control of the electronic device.
  • the output device 140 may include a display device such as a display screen.
  • This embodiment also provides a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are used to execute the foregoing method.
  • All or part of the processes in the methods of the above-mentioned embodiments may be implemented by a computer program that executes the relevant hardware.
  • the program may be stored in a non-transitory computer-readable storage medium. When the program is executed, it may include the method described above.
  • the non-transitory computer-readable storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM), or RAM, etc.
  • this application can be provided as methods, systems, or computer program products. Therefore, this application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, this application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

Abstract

本公开提出了一种宽频测量数据的处理方法、装置、电子设备及介质，所述方法包括：获取变电站的宽频测量数据；对所述宽频测量数据进行预处理分析，获得预处理分析文件；对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；将宽频测量数据、预处理分析文件和站域分析简报传输到调度主站，并接收调度主站的操作控制指令；其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。

Description

宽频测量数据的处理方法、装置、电子设备及介质
本申请要求在2019年9月20日提交中国专利局、申请号为201910894030.4的中国专利申请的优先权，以上申请的全部内容通过引用结合在本申请中。
技术领域
本公开涉及电力自动化领域，例如涉及一种宽频测量数据的处理方法、装置、电子设备及介质。
背景技术
随着大规模可再生能源的开发利用和智能电网的发展，大量换流器、逆变器、统一潮流控制器等新型电力电子装备引入了电网，导致次同步振荡等扰动现象的出现较为频繁，电网谐波干扰呈现宽频域的趋势。现阶段电网对不同频率扰动分量的监测能力弱，例如变电站内包括的测控装置、PMU(Phasor Measurement Unit，同步向量测量装置)、电能质量监测装置等所有设备关注的测量信号都是基于50Hz工频信号，其中测控装置涉及13次谐波范围的电压、电流测量，PMU涉及45-55Hz范围内工频基波相量测量，电能质量监测装置目前仅要求测量19次谐波，最高可涉及50次谐波。然而，随着大量电力电子设备的使用，电网信号呈现出以工频信号为基础，并含有大量间谐波、高次谐波的宽频信号，这些非工频的间谐波信号又引起了新型的次/超同步振荡乃至更高频率的宽频振荡，影响了电网运行的安全。
实际工程中通过改造后的PMU监测次/超同步振荡，但宽频测量所涉及的基波、间谐波和高次谐波数据量随着电力电子设备类型的增加而增加，目前PMU传输规约无法满足宽频测量数据的传输需求。而且，WAMS(Wide Area  Measurement System，广域测量系统)只接收基于PMU的基波向量数据，导致大量间谐波、高次谐波数据向调度主站传输，增加了调度主站数据存储和分析的工作量，需要耗费大量人力资源监测和分析宽频测量数据，同时调度主站存储了大量宽频测量数据造成了存储资源的浪费，使得调度主站的运行监测效率低。
发明内容
本公开提供一种宽频测量数据的处理方法，包括：
获取变电站的宽频测量数据；
对所述宽频测量数据进行预处理分析，获得预处理分析文件；
对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
将宽频测量数据、预处理分析文件和站域分析简报传输到调度主站，并接收调度主站的操作控制指令；
其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
本公开还提供了一种宽频测量数据的处理装置，包括：
获取模块，设置为获取变电站的宽频测量数据；
分析处理模块，设置为对所述宽频测量数据进行预处理分析，获得预处理分析文件，以及对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
对外交互模块，设置为将宽频测量数据、预处理分析文件和站域分析简报传输到调度主站，并接收调度主站的操作控制指令；
其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
本公开还提供一种电子设备，包括：
至少一个处理器；
存储器，设置为存储至少一个计算机程序，
当所述至少一个计算机程序被所述至少一个处理器执行，使得所述至少一个处理器实现如前所述的宽频测量数据的处理方法。
本公开还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行如前所述的宽频测量数据的处理方法。本公开通过对宽频测量数据进行预处理分析和诊断分析获得预处理分析文件和站域分析简报，能够有效为调度主站提供更加明确和有针对性的结论，简化了向调度主站传输的数据，减小了调度主站的数据存储和分析的工作量，能够有效提升电网运行监测的能力和水平，保障电网的运行安全。
附图说明
图1为本公开的宽频测量数据的处理方法流程图；
图2为本发明实施例宽频测量数据的具体处理方法流程图；
图3为本发明实施例宽频测量数据的处理装置结构图；
图4为本发明实施例宽频测量数据的处理装置又一结构图；
图5为本发明实施例的一种电子设备的硬件结构示意图。
具体实施方式
为了更好地理解本公开，下面结合说明书附图和实例对本公开的内容进行 说明。
实施例1
本公开针对实际工程中遇到的宽频测量数据受限于传输通道无法大量传输以及调度主站需要简化传输数据的需求进行分析，从电网自身监测运行的角度出发，避免大量宽频测量数据的实时传输。当电网正常运行时，大量的宽频测量数据不仅严重占用了通信带宽，而且对于调度主站的运行维护没有任何帮助作用，为此提出了在变电站站域层面对宽频测量数据进行预处理和分析，仅将诊断分析结果上送调度主站的方案。
本公开在保障宽频测量数据实时采集与测量的基础上，提出了针对宽频测量数据的站域存储分析方法，并研制了相应的装置，不仅可以在站域层面实现全站宽频测量数据的统一接收、存储和查询展示，同时也可对大量的宽频测量数据进行预处理分析和深入诊断分析，并结合宽频测量数据给出各类站域分析简报，能够有效为调度主站提供更加明确和有针对性的结论，进一步简化了宽频测量数据向调度主站的传输，以及调度主站数据存储和分析的工作量，能够有效提升电网运行监测的能力和水平，保障电网的运行安全，也使得调度主站的运行监测更有针对性。
如图1所示，本公开提供的技术方案为一种宽频测量数据的处理方法，所述处理方法包括宽频测量数据的存储和分析：
步骤S1、获取变电站的宽频测量数据；
步骤S2、对所述宽频测量数据进行预处理分析，获得预处理分析文件；
步骤S3、对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
步骤S4、将宽频测量数据、预处理分析文件和站域分析简报传输到调度主 站，并接收调度主站的操作控制指令；
其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
将图1所示的处理方法用图2所示的处理方法进行描述：
步骤S1、获取变电站的宽频测量数据，包括：
通过数据订阅的方式获取所述宽频测量值和所述告警信息；
通过以下方式至少之一获取所述故障录波文件：底层装置主动上送、定时召唤、以及远程调阅；
其中，所述故障录波文件包括CFG(Configuration，配置)文件、DATA(数据)文件和HDR(Header File)头文件，所述HDR头文件包括告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息，所述基波测量值包括电压基波测量值和电流基波测量值，所述谐波测量值包括电压谐波测量值和电流谐波测量值，所述间谐波测量值包括电压间谐波测量值和电流间谐波测量值。
步骤S11、宽频测量值及故障录波文件和告警信息的获取：在变电站的间隔层内根据需求设置一台或者多台宽频测量装置，用于电网基波、谐波和间谐波的统一测量，在变电站的站控层内安装站域存储与分析装置，站域存储与分析装置接入全站所有的宽频测量装置，获取全站宽频测量数据、相关的文件和告警信息。
宽频测量值、故障录波文件和告警信息的获取包含以下步骤：
1)装置连接。宽频测量装置采用直连或者单独组网的方式连接站域存储与分析装置。宽频测量装置通常可以同时接入1-4个电气间隔，变电站内如果配置的宽频测量装置较少，则可通过网络直连的方式接入站域存储与分析装置，如果配置的宽频测量装置较多，超过了站域存储与分析装置可接入的端口数，则 组建独立的宽频测量网络，站域存储与分析装置直接接入该网络获取所有的宽频测量装置。
2)数据订阅。站域存储分析装置所需要的宽频测量值和告警信息通过远程配置的方式进行订阅，通过配置不同的对象来实现数据的订阅。宽频测量装置根据订阅的对象来传输基波、间谐波和谐波测量值以及每类告警信息，数据的传输通过IEC(International Electro technical Commission，国际电工委员会)61850标准传输。
3)故障录波文件的获取。故障录波文件的获取支持三种获取方式，分别是底层装置主动上送、定时召唤、以及远程调阅。主动上送模式下，一旦站域存储分析装置远程设置了该模式，则宽频测量装置一旦有故障录波生成就主动传输给站域存储与分析装置；定时召唤模式下，站域存储与分析装置根据设置的时间间隔，定时向宽频测量装置召唤录波文件，一旦有新的录波文件就一并传输，仅传输最新生成的录波文件，已经传输的录波文件不再传输；远程调阅模式下，所有的录波文件都存储在宽频测量装置，调度主站如果需要调阅某一录波文件，则在调阅时针对性传输调阅的录波文件到站域存储与分析装置。宽频测量的故障录波文件包括CFG配置文件、DATA文件和HDR头文件，其中HDR头文件包含了告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息。
上述方法还包括：对所述宽频测量数据进行分类，在每类数据之间建立关联关系并进行存储。所述在每类数据之间建立关联关系并进行存储，包括：
为不同告警信息触发的同一故障录波文件和对应的宽频测量值，以及同一告警信息触发的不同故障录波文件和对应的宽频测量值之间建立关联关系；
将所述宽频测量值按频率-幅值-时间存储在实时数据库中；
将所述故障录波文件按宽频测量装置、线路间隔和起止时间存储于文件数据库；
将所述告警信息按时序存储在关联数据库中。
步骤S12、宽频测量值、故障录波文件和告警信息的分类存储与查询：站域存储与分析装置接收到全站宽频测量装置的数据后会进行统一存储和关联，便于今后的查询及分析。宽频测量值、故障录波文件和告警信息的分类存储与查询包含以下流程：
1)分类存储。所接收的宽频测量值、故障录波文件和告警信息分类进行存储，录波文件存储于文件数据库，宽频测量值按照实时数据库进行存储，告警信息存储在关联数据库中。与此同时，针对同一告警触发的录波文件，站域存储与分析装置会自动进行关联，便于后续的查询。
2)宽频测量值的查询。宽频测量值以频谱的范围为边界，以频率分辨率的精度为步长，设置所有测量值的名称，即是电压数据还是电流数据，形成频率、幅值、时间三个可查询的维度，其中幅值包含电压、电流两类。例如现阶段宽频测量的范围为0-50次谐波，即0-2500Hz，频率分辨率为1Hz，则按照0-2500，步长为1来显示每个频段，每个频段下显示其对应的电压值、电流值，然后按照时间进行测量值的存储。
3)故障录波文件的查询。故障录波文件按照宽频测量装置、线路间隔、起止时间三种方式进行存储查询。
4)告警事件的查询。信号按照每个告警事件发生的时间进行顺序存储，同时也会自动关联告警信息所触发的故障录波文件。查询告警事件时如果有对应的录波文件会一并显示，可直接调阅。
在每类数据之间建立关联关系并进行存储之后，上述方法还包括：
通过所述频率-幅值-时间的维度查询所述宽频测量值；
通过所述宽频测量装置、所述线路间隔和所述起止时间查询所述故障录波文件；
通过告警发生的时间查询所述告警信息以及所述告警信息所触发的所述故障录波文件和所述宽频测量值。
本公开提供的技术方案，能够实现全站宽频测量数据的统一接收、存储和查询，减少了调度主站存储和分析的压力，提升了电网运行监测的能力和水平。
步骤S2、对所述宽频测量数据进行预处理分析，获得预处理分析文件，包括：
在所述宽频测量数据中统计宽频测量范围和设置的时间周期内谐波幅值的最大值、最小值和平均值，生成谐波预处理结果；
在所述宽频测量数据中统计宽频测量范围和设置的时间周期内间谐波幅值的最大值、最小值和平均值，生成间谐波预处理结果；
对所述宽频测量数据在设置的时间周期内，同时分析次/超同步振荡主导分量的频率分别对应的幅值和出现次数，按照频率-幅值、频率-出现次数两个维度分别统计出现的多个主振荡频率并分别按照幅值大小、出现次数大小排序，生成次/超同步振荡频率预处理结果；
每间隔所述设置的时间周期，基于所述谐波预处理结果、所述间谐波预处理结果和所述次/超同步振荡频率预处理结果汇总生成XML(eXtensible Markup Language，可扩展标记语言)格式的预处理分析文件。
步骤S13：预处理分析+诊断分析：对宽频测量数据的预处理分析而言，站域存储与分析装置在接收到所有宽频测量数据后会自动进行预处理分析，对每类数据进行过滤、统计，提炼特征结果信息，然后传输给调度主站，进而简化 与调度主站的信息交互与传输。宽频测量数据的预处理分析采用以下方法：
1)谐波的预处理。对宽频测量范围内所有谐波电压幅值、谐波电流幅值进行统计汇总，获取其时间T范围内(例如5分钟)的最大值、最小值和平均值。现阶段宽频测量装置仅覆盖到50次谐波，则监测1-50次谐波电压、谐波电流的最大值、最小值和平均值。此处的电压、电流分别是三相电压、三相电流。
2)间谐波的预处理。对宽频测量范围内所有间谐波电压幅值、间谐波电流幅值进行统计汇总，分析统计出间谐波电压、间谐波电流在时间T范围内最大值、最小值和平均值。此处的电压、电流分别是三相电压、三相电流。
3)次/超同步振荡范围频率预处理。统计分析在时间T范围内次/超同步振荡范围(如2.5-100Hz范围，具体看设定的范围)内N个主导振荡分量的频率和幅值，分别按照频率-幅值和频率-出现的次数两个维度给出N个主振荡频率分量。按照频率-幅值的维度，根据幅值大小统计最大的N个频率，按照频率-出现的次数的维度，根据出现次数的大小统计出最大的N个频率(N可灵活设置，如10等)。
4)预处理分析结果汇总。每间隔时间T，将上述谐波、间谐波和次/超同步振荡监测的预处理分析结果形成一个独立的预处理分析文件，文件采用XML格式。时间T可以根据需求灵活设置，例如5分钟、10分钟等。
在一实施方式中，站域分析简报包括振荡预警简报、次/超同步振荡站域分析简报、次同步振荡源定位简报和间谐波越限告警站域简报。
步骤S3、对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报，包括：
基于所述预处理分析文件中的数据对变电站所有线路间隔进行统计分析，当间谐波电流与整定值的比例大于阈值时，提前预警，基于提前预警信息生成 所述振荡预警简报；
基于所述预处理分析文件中的数据、所述故障录波文件和所述告警信息，当次/超同步振荡告警发生时，在振荡的过程中持续计算振荡的主导频率和振荡幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成所述次/超同步振荡站域分析简报；
基于所述告警信息统计次/超同步振荡告警的时间断面，获取每个线路间隔发生振荡的顺序，基于振荡幅值的大小，统计每个线路间隔的振荡频率，并按照振荡幅值大小对振荡间隔进行排序，基于满足振荡条件的振荡源生成所述次同步振荡源定位简报；
将所述预处理分析文件中宽频信号范围内的每个间谐波的幅值及间谐波总含量与整定值进行对比分析，获得越限的间谐波的频率、幅值和总含量，并生成所述间谐波越限告警站域简报，所述间谐波包括间谐波电压和间谐波电流。对宽频测量数据站域层面的诊断分析而言，站域存储与分析装置除了预处理分析之外，还会基于所接收和存储的所有宽频测量值、故障录波文件及告警信息进行诊断分析，简化调度主站的分析工作，为调度主站提供诊断分析结果。诊断分析方式为以文件的方式生成振荡预警简报、次/超同步振荡站域分析简报、次/超同步振荡源定位简报、以及间谐波越限告警站域简报，并采用XML格式存储为简报文件，具体如下：
(1)预警简报。以预处理分析结果为基础，将变电站所有线路间隔进行统计分析，将曾经出现过振荡、越限告警的线路间隔作为重点关注对象，一旦间谐波电流与整定值的比例大于K(可设置)时，即提前预警，生成预警简报；
(2)次/超同步振荡站域分析简报。次/超同步振荡站域分析简报的实现是 在预处理分析结果的基础上，以次/超同步振荡告警发生开始，在振荡的过程中持续计算振荡的主导频率和幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成分析简报；
(3)次/超同步振荡源定位简报。在预处理分析结果的基础上，次/超同步振荡源定位简报首先从全站层面统计分析次/超同步振荡告警的时间断面，明确每个线路间隔发生振荡的先后顺序，其次按照振荡幅值的大小，对每个线路间隔的振荡频率进行统计，按照幅值大小对振荡间隔进行排序，给出可疑的振荡源判断分析简报；
(4)间谐波越限告警站域简报。在预处理分析结果的基础上，间谐波越限告警站域简报以宽频信号范围内测量的每个次间谐波电压幅值、电流幅值及间谐波电压总含量与整定值进行对比分析，形成间谐波电压、电流越限告警简报，给出越限的间谐波电压、间谐波电流的频率、幅值和对应的间谐波电压、间谐波电流总含量值，并以简报的形式存储。
步骤S4、将宽频测量数据、预处理分析文件和站域分析简报传输到调度主站，并接收调度主站的操作控制指令，包括：
向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息；
基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
其中，所述历史数据文件为：基于所述调度主站指定的变电站、宽频测量装置和设置的间隔，根据在实时数据库、文件数据库以及关联数据库中获取的频率-幅值-时间的数据生成的CSV(Comma-Separated Values，逗号分隔值)格 式的文件。
根据本发明又一实施例，将宽频测量数据、预处理分析文件和站域分析简报传输到调度主站，并接收调度主站的操作控制指令，包括：
采用扩展的推荐性国家标准GB/T26865.2规约，向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息，以及基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
其中，所述扩展的GB/T26865.2规约包括：通过对原有报文数据的配置，利用每帧报文传输的间隙实现基波测量值、谐波测量值和间谐波测量值的传输，和采用扩展报文帧类型的方式实现间谐波测量值、高次谐波测量值的传输。
本公开提供的技术方案，可对大量的宽频测量数据进行预处理分析和深入诊断分析并给出每类站域分析简报，为调度主站提供更加明确和有针对性的分析结果，进一步简化宽频测量数据向调度主站的传输，保障电网的运行安全。
步骤S14、站域存储分析装置的对外信息交互：站域存储与分析装置将根据调度主站的需求，将预处理分析文件、站域分析简报、故障录波文件、数据信息等向调度主站传输，传输的内容可通过订阅的方式实现，具体如下：
(1)文件传输。向调度主站传输的文件，包括故障录波文件、预处理分析文件、站域分析简报、以及历史数据文件，其中历史数据文件可指定变电站、宽频测量装置和间隔，选择设置的时间段，获取站域存储装置的频率-幅值-时间三维的数据并以CSV文件格式传输。站域分析简报包含每类预警简报、次/超同步振荡站域分析简报、次/超同步振荡源定位简报、以及间谐波越限告警站域简报；
(2)告警信息传输。在出现次/超同步振荡、间谐波越限告警时，将告警信 息实时传输给调度主站；
(3)测量值实时传输。测量值包括动态基波相量的三相基波电压、电流、频率，振荡时主导振荡频率、幅值的数值，无振荡时的测量数据以统计分析文件的方式传输；
(4)文件、告警信息和实时测量数据的传输采用扩展的GB/T26865.2规约传输。该规约扩展的方式有两种，一种是通过对原有报文数据的配置，利用每帧报文传输的间隙实现基波、谐波和间谐波的传输，另一种是采用扩展报文帧类型的方式实现间谐波、高次谐波的传输。
当然，站域存储分析装置主要是向调度主站进行宽频测量数据的传输，但也保留了与厂站设备和系统交互的接口，便于其传输告警信息等，与变电站内部其他设备和监控系统之间仍然采用IEC61850标准传输。
本公开还提供了一种宽频测量数据的处理装置，所述装置设置为进行宽频测量数据的接收、分析和存储，也可以称为站域存储与分析装置，在变电站中包括至少1台宽频测量装置和站域存储与分析装置，所述宽频测量装置采用网络直连或单独组网的方式和站域存储与分析装置连接。所述宽频测量装置设置在变电站的间隔层，设置为测量变电站内的宽频测量数据，并将测量到的数据发送给所述站域存储与分析装置。所述站域存储与分析装置设置在变电站的站控层，设置为对接收到的宽频测量数据进行存储和分析，生成简报文件，并将所述简报文件基于命令发送到调度主站。其中，所述宽频测量数据包括：电网基波、谐波和间谐波数据。
对于站域存储与分析装置，其实现的方式可采用常用的嵌入式设备即可。由于其实时性要求不高，现有的Linux系统均满足其要求。在装置的端口上需配置IRIG-B对时功能，站域存储与分析装置需配置4个以上的百兆通信网口。
如图3所示，本发公开提供的一种宽频测量数据的处理装置，包括：数据及文件召唤模块310、数据存储与查询模块320、预处理分析与诊断分析模块330、对外交互模块340，这些和其实现方法中的主体功能对应，另外增加了同步对时模块350，接收外部其他设备提供的IRIG-B(Inter-Range Instrumentation Group-B，靶场间测量仪器组B型格式)对时信号。
本实施例中的处理装置的功能如下：
1)数据及文件召唤模块310：设置为获取变电站宽频测量数据、故障录波文件、以及告警信息；
2)数据存储与查询模块320：设置为对实时宽频测量数据、告警信息和故障录波文件进行分类存储，同时提供宽频测量数据、告警信息、录波文件的自动关联和查询服务；
3)预处理分析与诊断分析模块330：设置为对宽频测量数据进行预处理统计分析，将统计分析结果形成预处理统计分析文件，对全站的宽频测量数据、告警信息和故障录波文件进行诊断分析，形成站域诊断分析结果，并将每类站域诊断分析结果形成站域分析简报；
4)对外交互模块340：设置为将宽频测量数据、预处理统计分析文件、每类站域分析简报和录波文件对调度主站传输，同时接收调度主站的操作控制指令。
5)同步对时模块350：接收外部IRIG-B对时。
实施例2
本公开所提出的一种宽频测量数据的处理方法，具有步骤如下：
1)获取全站宽频测量数据；
2)对宽频测量数据进行分类存储，建立关联连接便于查询；
3)对宽频测量数据依次进行预处理分析和诊断分析；
4)将宽频测量原始数据、预处理分析数据和诊断分析结果数据对外传输，同时接收外部的操作控制指令。
1)全站宽频测量数据采用以下方式获取：
(1)数据订阅的方式可以通过远程配置的方式实现，通过配置不同的数据对象实现数据获取；
(2)所获取的宽频测量数据包含实时测量的工频信号测量值、间谐波测量值和谐波测量值以及每类告警信息。
(3)所获取故障录波文件包括CFG配置文件、DATA文件和HDR头文件，其中HDR头文件包含了告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息。
(4)对于故障录波文件的获取支持三种获取方式，分别是底层装置主动上送、定时召唤、远程调阅。
本公开中的宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
2)对宽频测量数据进行存储采用了以下方法：
(1)所接收的宽频测量数据进行分类并存储，故障录波文件存储于文件数据库，宽频测量值按照实时数据库进行存储，告警数据按照关联数据库进行存储；
(2)宽频测量值以频谱的范围为边界，以频率分辨率的精度为步长，设置所有测量数据的名称，显示对应的电流幅值，然后按照时间进行数据的存储，形成频率、幅值、时间的存储和查询维度；
(3)故障录波文件按照宽频测量装置、线路间隔、起止时间三种方式进行 存储查询；
(4)告警信号按照每个事件发生的时间进行顺序存储，同时也会自动关联告警信息所触发的故障录波文件，建立告警信息、故障录波文件和对应宽频测量值的关联关系。
3-1)对宽频测量数据进行预处理采用了以下方法：
(1)统计宽频测量范围内三相电压、三相电流所有谐波幅值在时间T内的最大值、最小值和平均值；
(2)统计宽频测量范围内三相电压、三相电流间谐波幅值在时间T内的最大值、最小值和平均值；
(3)统计分析次/超同步振荡主导分量的频率及对应的幅值和出现次数。统计分析时间T内次/超同步振荡范围内N个主导振荡分量的频率和幅值，分别按照频率-幅值和频率-出现的次数两个维度给出N个主振荡频率分量。按照频率-幅值的维度根据幅值大小统计最大的N个频率，按照频率-出现的次数的维度根据出现次数的大小统计出最大的N个频率；
(4)上述(1)-(3)统计生成的结果形成宽频测量数据的预处理统计分析文件，每间隔时间T生成一个文件，时间T可以灵活设置。
3-2)对宽频测量数据进行深入分析采用了以下方法：
(1)以文件的方式生成振荡预警简报、次同步振荡站域分析简报、次同步振荡源定位简报、间谐波越限告警站域简报，并存储为简报文件，所有简报采用XML格式；
(2)振荡预警简报的实现：以预处理分析结果为基础，将变电站所有线路间隔进行统计分析，将曾经出现过振荡、越限告警的间隔作为重点关注对象，一旦间谐波电流与整定值的比例大于K时，即提前预警，生成预警简报；
(3)次/超同步振荡站域分析简报的实现：以次/超同步振荡告警发生开始，在振荡的过程中持续计算振荡的主导频率和幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、次/超同步振荡阻尼比，并生成次/超同步振荡站域分析简报；
(4)次/超同步振荡源定位简报的实现：首先从全站层面统计分析次/超同步振荡告警的时间断面，明确每个线路间隔发生振荡的先后顺序，次按照振荡幅值的大小，对每个线路间隔的振荡频率进行统计，按照幅值大小对振荡间隔进行排序，判断可疑的振荡源，生成次/超同步振荡源定位简报；
(5)间谐波越限告警站域简报的实现：以宽频信号范围内测量的每个次间谐波电压幅值、电流幅值及间谐波电压总含量与整定值进行对比分析，形成间谐波电压、电流越限告警简报，给出越限的间谐波电压、间谐波电流的频率、幅值和对应的间谐波电压、间谐波电流总含量值，生成间谐波越限告警站域简报。
4)将宽频测量原始测量数据、预处理分析数据和诊断分析结果数据对外传输采用以下方法：
(1)向调度主站传输文件，包括故障录波文件、预处理分析文件、站域分析简报、以及历史数据文件。其中历史数据文件可指定变电站、宽频测量装置和间隔，选择设置的时间段，获取站域存储装置的频率-幅值-时间三维的数据并以CSV文件格式传输。站域分析简报包含每类预警简报、次/超同步振荡站域分析简报、次/超同步振荡源定位简报、以及间谐波越限告警站域简报。
(2)告警信息传输，本公开考虑到在实际应用中调度主站主要关心次/超同步振荡、间谐波越限告警，因此当出现次/超同步振荡、间谐波越限告警时，将告警信息实时传输给调度主站，实现简化调度主站的工作量，减少了向调度主 站的传输量。此外，也可以根据具体需要设置实时传输的告警内容。
(3)宽频测量值实时传输，包括动态基波相量的三相基波电压、电流、频率的传输，振荡时主导振荡频率、幅值的数值，无振荡时的测量数据以统计分析文件的方式传输；
(4)上述(1)-(3)所涉及的文件、告警信息和宽频测量值向调度主站的传输采用扩展的GB/T26865.2规约方式，与变电站内部其他设备和监控系统之间仍然采用IEC61850标准传输。
本公开中扩展的GB/T26865.2规约，其扩展方式有以下两种：
1)通过对原有报文数据的配置，利用每帧报文传输的间隙实现基波、谐波和间谐波的传输；
2)采用扩展报文帧类型的方式实现间谐波、高次谐波的传输。
如图4所示，本公开提供的宽频测量数据的处理装置主要包含以下功能模块：
1)宽频测量数据及文件召唤模块410：设置为获取变电站的宽频测量数据；
2)宽频测量数据存储与查询模块420：设置为对宽频测量数据进行分类存储，同时提供宽频测量值、告警信息、故障录波文件的自动关联和查询服务；
3)宽频测量数据预处理分析与诊断分析模块430：设置为对宽频测量数据进行预处理统计分析，将统计分析结果形成预处理分析文件，对全站的宽频测量值、告警信息和故障录波文件进行诊断分析，形成站域诊断分析结果，并将每类站域诊断分析结果形成站域分析简报；
4)宽频测量数据对外交互模块440：设置为将宽频测量数据、预处理统计分析文件、每类站域分析简报和故障录波文件对调度主站传输，同时接收调度主站的操作控制指令。
5)同步对时模块450：接收外部IRIG-B对时。
1)所述宽频测量数据及文件召唤模块410具有以下特征，包括：
(1)数据获取单元411，设置为通过远程配置的方式实现，通过配置不同的数据对象实现数据获取，包括工频信号测量值、间谐波测量值和谐波测量值以及每类告警信息；
(2)文件获取单元412，设置为获取包括故障录波的CFG配置文件、DATA文件和HDR头文件，其中HDR头文件包含了告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息。故障录波文件的获取支持三种获取方式，分别是底层装置主动上送、定时召唤、远程调阅。
2)所述宽频测量数据存储与查询模块420包含以下特征：
(1)分类存储单元421，设置为对接收的宽频测量数据进行分类并存储，故障录波文件存储于文件数据库，宽频测量值按照实时数据库进行存储，告警数据按照关联数据库进行存储；
(2)宽频测量值查询单元422，设置为以频谱的范围为边界，以频率分辨率的精度为步长，设置所有测量数据的名称，显示每个频率对应的电压和电流幅值，然后按照时间进行数据的存储，形成频率、幅值、时间三个可查询的维度；
(3)故障录波文件查询单元423，设置为按照宽频测量装置、线路间隔、起止时间三种方式进行存储查询；
(4)告警信息查询单元424，设置为按照每个事件发生的时间进行顺序存储，同时也会自动关联相同时间段触发的录波文件。
3)宽频测量数据预处理分析与诊断分析模块430包括以下特征：
(1)谐波预处理单元431，设置为统计宽频测量范围内谐波在设定时间内 的最大值、最小值和平均值；
(2)间谐波预处理单元432，设置为统计电流、电压间谐波幅值在设定时间内的最大值、最小值和平均值；
(3)次/超同步振荡预处理单元433，设置为统计分析次/超同步振荡范围内N个主导振荡分量的频率和幅值，统计分析出现次数最多的振荡频率及该频率在设定时间内出现的次数；
(4)预处理文件生成单元434，设置为将上述谐波预处理单元、间谐波预处理单元和次/超同步振荡预处理单元所统计分析的结果自动写成文件，以文件的形式输出预处理分析文件；
(5)站域分析简报生成单元435，设置为针对接收的宽频测量值、告警信息和故障录波文件进行诊断分析，分别生成每类预警简报、次/超同步振荡站域分析简报、次/超同步振荡源定位简报、以及间谐波越限告警站域简报，简报以文件的形成输出。
其中，站域分析简报生成单元435包括以下特征：
预警简报的实现以预处理分析结果为基础，将变电站所有线路间隔进行统计分析，将曾经出现过振荡、越限告警的线路间隔作为重点关注对象，一旦间谐波电流与整定值的比例大于K时，即提前预警，生成预警简报；
次/超同步振荡站域分析简报的实现是以次/超同步振荡告警发生开始，在振荡的过程中持续计算振荡的主导频率和幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成分析简报；
次/超同步振荡源定位简报的实现首先从全站层面统计分析次/超同步振荡告警的时间断面，明确每个线路间隔发生振荡的先后顺序，其次按照振荡幅值 的大小，对每个线路间隔的振荡频率进行统计，按照幅值大小对振荡间隔进行排序，给出可疑的振荡源定位简报；
间谐波越限告警站域简报的实现以宽频信号范围内测量的每个次间谐波电压幅值、电流幅值及间谐波电压总含量与整定值进行对比分析，形成间谐波越限告警简报，给出越限的间谐波电压、间谐波电流的频率、幅值和对应的间谐波电压、间谐波电流总含量值，并以简报的形式存储。
4)宽频测量数据对外传输模块440包括以下特征：
(1)数据接收单元441，设置为接收外部测量装置传输的每类宽频测量数据、告警信息、录波文件等，接收外部的操作控制指令；
(2)数据传输单元442，设置为对外传输每类文件、告警信息、实时测量值等，支持IEC61850标准和扩展的GB/T26865.2规约传输。
其中，对于GB/T26865.2规约的扩展有两种方式：一种为通过对原有报文数据的配置，利用每帧报文传输的间隙实现基波、谐波和间谐波的传输；另一种采用扩展报文帧类型的方式实现间谐波、高次谐波的传输。
根据本发明又一实施例，提供一种宽频测量数据的处理装置，包括：
获取模块，设置为获取变电站的宽频测量数据；
分析处理模块，设置为对所述宽频测量数据进行预处理分析，获得预处理分析文件，以及对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
对外交互模块，设置为将所述宽频测量数据、所述预处理分析文件和所述站域分析简报传输到调度主站，并接收所述调度主站的操作控制指令；
其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
所述获取模块包括：
数据获取单元，设置为通过数据订阅的方式获取所述宽频测量值和所述告警信息；
文件获取单元，设置为通过以下方式至少之一获取所述故障录波文件：底层装置主动上送、定时召唤、以及远程调阅；
其中，所述故障录波文件包括CFG文件、DATA文件和HDR头文件，所述HDR头文件包括告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息，所述基波测量值包括电压基波测量值和电流基波测量值，所述谐波测量值包括电压谐波测量值和电流谐波测量值，所述间谐波测量值包括电压间谐波测量值和电流间谐波测量值。
所述装置还包括：
存储模块，设置为对所述宽频测量数据进行分类，在每类数据之间建立关联关系并进行存储。
所述存储模块包括：
建立关联关系单元，设置为为不同告警信息触发的同一故障录波文件和对应的宽频测量值，以及同一告警信息触发的不同故障录波文件和对应的宽频测量值之间建立关联关系；
实时数据库存储单元，设置为将所述宽频测量值按频率-幅值-时间存储在实时数据库中；
文件数据库存储单元，设置为将所述故障录波文件按宽频测量装置、线路间隔和起止时间存储于文件数据库；
关联数据库存储单元，设置为将所述告警信息按时序存储在关联数据库中。
所述装置还包括查询模块，所述查询模块包括：
数据查询单元，设置为通过所述频率-幅值-时间的维度查询所述宽频测量值；
故障录波文件查询单元，设置为通过所述宽频测量装置、所述线路间隔和所述起止时间查询所述故障录波文件；
告警信息查询单元，设置为通过告警发生的时间查询所述告警信息以及所述告警信息所触发的所述故障录波文件和所述宽频测量值。
所述分析处理模块包括：
谐波预处理单元，设置为在所述宽频测量数据中统计宽频测量范围和设置的时间周期内谐波幅值的最大值、最小值和平均值，生成谐波预处理结果；
间谐波预处理单元，设置为在所述宽频测量数据中统计宽频测量范围和设置的时间周期内间谐波幅值的最大值、最小值和平均值，生成间谐波预处理结果；
次/超同步振荡预处理单元，设置为对所述宽频测量数据在设置的时间周期内，同时分析次/超同步振荡主导分量的频率分别对应的幅值和出现次数，按照频率-幅值、频率-出现次数两个维度分别统计出现的多个主振荡频率并分别按照幅值大小、出现次数大小排序，生成次/超同步振荡频率预处理结果；
预处理文件生成单元，设置为每间隔所述设置的时间周期，基于所述谐波预处理结果、所述间谐波预处理结果和所述次/超同步振荡频率预处理结果汇总生成XML格式的预处理分析文件。
所述站域分析简报包括振荡预警简报、次/超同步振荡站域分析简报、次同步振荡源定位简报和间谐波越限告警站域简报，所述分析处理模块还包括：
振荡预警简报生成单元，设置为基于所述预处理分析文件中的数据对变电站所有线路间隔进行统计分析，当间谐波电流与整定值的比例大于阈值时，提前预警，基于提前预警信息生成所述振荡预警简报；
次/超同步振荡站域分析简报生成单元，设置为基于所述预处理分析文件中的数据、所述故障录波文件和所述告警信息，当次/超同步振荡告警发生时，在振荡的过程中持续计算振荡的主导频率和振荡幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成所述次/超同步振荡站域分析简报；
次同步振荡源定位简报生成单元，设置为基于所述告警信息统计次/超同步振荡告警的时间断面，获取每个线路间隔发生振荡的顺序，基于振荡幅值的大小，统计每个线路间隔的振荡频率，并按照振荡幅值大小对振荡间隔进行排序，基于满足振荡条件的振荡源生成所述次同步振荡源定位简报；
间谐波越限告警站域简报生成单元，设置为将所述预处理分析文件中宽频信号范围内的每个间谐波的幅值及间谐波总含量与整定值进行对比分析，获得越限的间谐波的频率、幅值和总含量，并生成所述间谐波越限告警站域简报，所述间谐波包括间谐波电压和间谐波电流。
所述对外交互模块包括：
数据接收单元，设置为接收外部测量装置传输的每类宽频测量值、告警信息、故障录波文件，以及外部的操作控制指令；
数据传输单元，设置为采用扩展的GB/T26865.2规约，向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息，以及基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
其中，所述历史数据文件为：基于所述调度主站指定的变电站、宽频测量装置和设置的间隔，根据在实时数据库、文件数据库以及关联数据库中获取的频率-幅值-时间的数据生成的CSV格式的文件；
所述扩展的GB/T26865.2规约包括：通过对原有报文数据的配置，利用报文帧的传输间隙实现基波、谐波和间谐波的传输，和采用扩展报文帧类型的方式实现间谐波、高次谐波的传输。
所述装置还包括：
同步对时模块，设置为接收IRIG-B对时。
图5为本发明实施例的一种电子设备的硬件结构示意图。如图5所示，该电子设备包括：一个或多个处理器110和存储器120。图5中以一个处理器110为例。
所述电子设备还可以包括：输入装置130和输出装置140。
所述电子设备中的处理器110、存储器120、输入装置130和输出装置140可以通过总线或者其他方式连接，图4中以通过总线连接为例。
存储器120作为一种计算机可读存储介质，可设置为存储软件程序、计算机可执行程序以及模块。处理器110通过运行存储在存储器120中的软件程序、指令以及模块，从而执行多种功能应用以及数据处理，以实现上述实施例中的任意一种方法。
存储器120可以包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需要的应用程序；存储数据区可存储根据电子设备的使用所创建的数据等。此外，存储器可以包括随机存取存储器(Random Access Memory，RAM)等易失性存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件或者其他非暂态固态存储器件。
存储器120可以是非暂态计算机存储介质或暂态计算机存储介质。该非暂态计算机存储介质，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中，存储器120可选包括相对于处理器110远程 设置的存储器，这些远程存储器可以通过网络连接至电子设备。上述网络的实例可以包括互联网、企业内部网、局域网、移动通信网及其组合。
输入装置130可设置为接收输入的数字或字符信息，以及产生与电子设备的用户设置以及功能控制有关的键信号输入。输出装置140可包括显示屏等显示设备。
本实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述方法。
上述实施例方法中的全部或部分流程可以通过计算机程序来执行相关的硬件来完成的，该程序可存储于一个非暂态计算机可读存储介质中，该程序在执行时，可包括如上述方法的实施例的流程，其中，该非暂态计算机可读存储介质可以为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或RAM等。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流 程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。

Claims (20)

  1. 一种宽频测量数据的处理方法，包括：
    获取变电站的宽频测量数据；
    对所述宽频测量数据进行预处理分析，获得预处理分析文件；
    对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
    将所述宽频测量数据、所述预处理分析文件和所述站域分析简报传输到调度主站，并接收所述调度主站的操作控制指令；
    其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
  2. 如权利要求1所述的方法，其中，所述获取变电站的宽频测量数据包括：
    通过数据订阅的方式获取所述宽频测量值和所述告警信息；
    通过以下方式至少之一获取所述故障录波文件：底层装置主动上送、定时召唤、以及远程调阅；
    其中，所述故障录波文件包括配置CFG文件、数据DATA文件和HDR头文件，所述HDR头文件包括告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息，所述基波测量值包括电压基波测量值和电流基波测量值，所述谐波测量值包括电压谐波测量值和电流谐波测量值，所述间谐波测量值包括电压间谐波测量值和电流间谐波测量值。
  3. 如权利要求1或2所述的方法，在获取变电站的宽频测量数据之后，还包括：
    对所述宽频测量数据进行分类，在每类数据之间建立关联关系并进行存储。
  4. 如权利要求3所述的方法，其中，所述在每类数据之间建立关联关系并 进行存储，包括：
    为不同告警信息触发的同一故障录波文件和对应的宽频测量值，以及同一告警信息触发的不同故障录波文件和对应的宽频测量值之间建立关联关系；
    将所述宽频测量值按频率-幅值-时间存储在实时数据库中；
    将所述故障录波文件按宽频测量装置、线路间隔和起止时间存储于文件数据库；
    将所述告警信息按时序存储在关联数据库中。
  5. 如权利要求4所述的方法，所述在每类数据之间建立关联关系并进行存储之后，还包括：
    通过所述频率-幅值-时间的维度查询所述宽频测量值；
    通过所述宽频测量装置、所述线路间隔和所述起止时间查询所述故障录波文件；
    通过告警发生的时间查询所述告警信息以及所述告警信息所触发的所述故障录波文件和所述宽频测量值。
  6. 如权利要求1所述的方法，其中，所述对所述宽频测量数据进行预处理分析，获得预处理分析文件，包括：
    在所述宽频测量数据中统计宽频测量范围和设置的时间周期内谐波幅值的最大值、最小值和平均值，生成谐波预处理结果；
    在所述宽频测量数据中统计宽频测量范围和设置的时间周期内间谐波幅值的最大值、最小值和平均值，生成间谐波预处理结果；
    对所述宽频测量数据在设置的时间周期内，同时分析次/超同步振荡主导分量的频率分别对应的幅值和出现次数，按照频率-幅值、频率-出现次数两个维度分别统计出现的多个主振荡频率并分别按照幅值大小、出现次数大小排序，生 成次/超同步振荡频率预处理结果；
    每间隔所述设置的时间周期，基于所述谐波预处理结果、所述间谐波预处理结果和所述次/超同步振荡频率预处理结果汇总生成可扩展标记语言XML格式的预处理分析文件。
  7. 如权利要求6所述的方法，其中，所述站域分析简报包括振荡预警简报、次/超同步振荡站域分析简报、次同步振荡源定位简报和间谐波越限告警站域简报；
    所述对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报，包括：
    基于所述预处理分析文件中的数据对变电站所有线路间隔进行统计分析，当间谐波电流与整定值的比例大于阈值时，提前预警，基于提前预警信息生成所述振荡预警简报；
    基于所述预处理分析文件中的数据、所述故障录波文件和所述告警信息，当次/超同步振荡告警发生时，在振荡的过程中持续计算振荡的主导频率和振荡幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成所述次/超同步振荡站域分析简报；
    基于所述告警信息统计次/超同步振荡告警的时间断面，获取每个线路间隔发生振荡的顺序，基于振荡幅值的大小，统计每个线路间隔的振荡频率，并按照振荡幅值大小对振荡间隔进行排序，基于满足振荡条件的振荡源生成所述次同步振荡源定位简报；
    将所述预处理分析文件中宽频信号范围内的每个间谐波的幅值及间谐波总含量与整定值进行对比分析，获得越限的间谐波的频率、幅值和总含量，并生 成所述间谐波越限告警站域简报，所述间谐波包括间谐波电压和间谐波电流。
  8. 如权利要求1或5所述的方法，其中，所述将所述宽频测量数据、所述预处理分析文件和所述站域分析简报传输到调度主站，包括：
    向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息；
    基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
    其中，所述历史数据文件为：基于所述调度主站指定的变电站、宽频测量装置和设置的间隔，根据在实时数据库、文件数据库以及关联数据库中获取的频率-幅值-时间的数据生成的逗号分隔值CSV格式的文件。
  9. 如权利要求1或5所述的方法，其中，所述将所述宽频测量数据、所述预处理分析文件和所述站域分析简报传输到调度主站，包括：
    采用扩展的推荐性国家标准GB/T26865.2规约，向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息，以及基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
    其中，所述扩展的GB/T26865.2规约包括：通过对原有报文数据的配置，利用每帧报文传输的间隙实现基波测量值、谐波测量值和间谐波测量值的传输，和采用扩展报文帧类型的方式实现间谐波测量值、高次谐波测量值的传输；
    所述历史数据文件为：基于所述调度主站指定的变电站、宽频测量装置和设置的间隔，根据在实时数据库、文件数据库以及关联数据库中获取的频率-幅值-时间的数据生成的CSV格式的文件。
  10. 一种宽频测量数据的处理装置，包括：
    获取模块，设置为获取变电站的宽频测量数据；
    分析处理模块，设置为对所述宽频测量数据进行预处理分析，获得预处理分析文件，以及对所述宽频测量数据进行诊断分析，并结合所述预处理分析文件获得站域分析简报；
    对外交互模块，设置为将所述宽频测量数据、所述预处理分析文件和所述站域分析简报传输到调度主站，并接收所述调度主站的操作控制指令；
    其中，所述宽频测量数据包括宽频测量值、故障录波文件和告警信息，所述宽频测量值包括基波测量值、谐波测量值和间谐波测量值。
  11. 如权利要求10所述的装置，其中，所述获取模块包括：
    数据获取单元，设置为通过数据订阅的方式获取所述宽频测量值和所述告警信息；
    文件获取单元，设置为通过以下方式至少之一获取所述故障录波文件：底层装置主动上送、定时召唤、以及远程调阅；
    其中，所述故障录波文件包括配置CFG文件、数据DATA文件和HDR头文件，所述HDR头文件包括告警信息的类型、故障录波启动时间、结束时间以及装置的配置信息，所述基波测量值包括电压基波测量值和电流基波测量值，所述谐波测量值包括电压谐波测量值和电流谐波测量值，所述间谐波测量值包括电压间谐波测量值和电流间谐波测量值。
  12. 如权利要求10或11所述的装置，还包括：
    存储模块，设置为对所述宽频测量数据进行分类，在每类数据之间建立关联关系并进行存储。
  13. 如权利要求12所述的装置，其中，所述存储模块包括：
    建立关联关系单元，设置为为不同告警信息触发的同一故障录波文件和对 应的宽频测量值，以及同一告警信息触发的不同故障录波文件和对应的宽频测量值之间建立关联关系；
    实时数据库存储单元，设置为将所述宽频测量值按频率-幅值-时间存储在实时数据库中；
    文件数据库存储单元，设置为将所述故障录波文件按宽频测量装置、线路间隔和起止时间存储于文件数据库；
    关联数据库存储单元，设置为将所述告警信息按时序存储在关联数据库中。
  14. 如权利要求13所述的装置，还包括查询模块，所述查询模块包括：
    数据查询单元，设置为通过所述频率-幅值-时间的维度查询所述宽频测量值；
    故障录波文件查询单元，设置为通过所述宽频测量装置、所述线路间隔和所述起止时间查询所述故障录波文件；
    告警信息查询单元，设置为通过告警发生的时间查询所述告警信息以及所述告警信息所触发的所述故障录波文件和所述宽频测量值。
  15. 如权利要求10所述的装置，其中，所述分析处理模块包括：
    谐波预处理单元，设置为在所述宽频测量数据中统计宽频测量范围和设置的时间周期内谐波幅值的最大值、最小值和平均值，生成谐波预处理结果；
    间谐波预处理单元，设置为在所述宽频测量数据中统计宽频测量范围和设置的时间周期内间谐波幅值的最大值、最小值和平均值，生成间谐波预处理结果；
    次/超同步振荡预处理单元，设置为对所述宽频测量数据在设置的时间周期内，同时分析次/超同步振荡主导分量的频率分别对应的幅值和出现次数，按照频率-幅值、频率-出现次数两个维度分别统计出现的多个主振荡频率并分别按照幅值大小、出现次数大小排序，生成次/超同步振荡频率预处理结果；
    预处理文件生成单元，设置为每间隔所述设置的时间周期，基于所述谐波预处理结果、所述间谐波预处理结果和所述次/超同步振荡频率预处理结果汇总生成可扩展标记语言XML格式的预处理分析文件。
  16. 如权利要求15所述的装置，其中，所述站域分析简报包括振荡预警简报、次/超同步振荡站域分析简报、次同步振荡源定位简报和间谐波越限告警站域简报；
    所述分析处理模块还包括：
    振荡预警简报生成单元，设置为基于所述预处理分析文件中的数据对变电站所有线路间隔进行统计分析，当间谐波电流与整定值的比例大于阈值时，提前预警，基于提前预警信息生成所述振荡预警简报；
    次/超同步振荡站域分析简报生成单元，设置为基于所述预处理分析文件中的数据、所述故障录波文件和所述告警信息，当次/超同步振荡告警发生时，在振荡的过程中持续计算振荡的主导频率和振荡幅值，直至振荡消失，分析每个主导频率下振荡幅值与时间的关系、振荡功率与时间的关系、以及次/超同步振荡阻尼比，并生成所述次/超同步振荡站域分析简报；
    次同步振荡源定位简报生成单元，设置为基于所述告警信息统计次/超同步振荡告警的时间断面，获取每个线路间隔发生振荡的顺序，基于振荡幅值的大小，统计每个线路间隔的振荡频率，并按照振荡幅值大小对振荡间隔进行排序，基于满足振荡条件的振荡源生成所述次同步振荡源定位简报；
    间谐波越限告警站域简报生成单元，设置为将所述预处理分析文件中宽频信号范围内的每个间谐波的幅值及间谐波总含量与整定值进行对比分析，获得越限的间谐波的频率、幅值和总含量，并生成所述间谐波越限告警站域简报，所述间谐波包括间谐波电压和间谐波电流。
  17. 如权利要求10或14所述的装置，其中，所述对外交互模块包括：
    数据接收单元，设置为接收外部测量装置传输的每类宽频测量值、告警信息、故障录波文件，以及外部的操作控制指令；
    数据传输单元，设置为采用扩展的推荐性国家标准GB/T26865.2规约，向所述调度主站实时传输所述宽频测量数据中的所述基波测量值和所述告警信息，以及基于所述调度主站的需求向所述调度主站发送所述故障录波文件、所述预处理分析文件、所述站域分析简报和历史数据文件；
    其中，所述历史数据文件为：基于所述调度主站指定的变电站、宽频测量装置和设置的间隔，根据在实时数据库、文件数据库以及关联数据库中获取的频率-幅值-时间的数据生成的逗号分隔值CSV格式的文件；
    所述扩展的GB/T26865.2规约包括：通过对原有报文数据的配置，利用报文帧的传输间隙实现基波、谐波和间谐波的传输，和采用扩展报文帧类型的方式实现间谐波、高次谐波的传输。
  18. 如权利要求10所述的装置，还包括：
    同步对时模块，设置为接收外部靶场间测量仪器组IRIG-B对时。
  19. 一种电子设备，包括：
    至少一个处理器；
    存储器，设置为存储至少一个计算机程序，
    当所述至少一个计算机程序被所述至少一个处理器执行，使得所述至少一个处理器实现如权利要求1-9中任一项所述的宽频测量数据的处理方法。
  20. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行如权利要求1-9中任一项所述的宽频测量数据的处理方法。
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