CN110505259A - A kind of data processing method and device of intelligent substation - Google Patents
A kind of data processing method and device of intelligent substation Download PDFInfo
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- CN110505259A CN110505259A CN201810474212.1A CN201810474212A CN110505259A CN 110505259 A CN110505259 A CN 110505259A CN 201810474212 A CN201810474212 A CN 201810474212A CN 110505259 A CN110505259 A CN 110505259A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0823—Errors, e.g. transmission errors
- H04L43/0847—Transmission error
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/26—Special purpose or proprietary protocols or architectures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/02—Capturing of monitoring data
- H04L43/022—Capturing of monitoring data by sampling
- H04L43/024—Capturing of monitoring data by sampling by adaptive sampling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Environmental & Geological Engineering (AREA)
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Abstract
The present invention relates to a kind of data processing method of intelligent substation and devices, simultaneously receive at least SV data, to two kinds of data in side data, analog data and FT3 formatted data, it is handled using equation of light communication module to side data, data interpolating is carried out to side data, by the data after interpolation according to the frame format framing of setting；Frame decoding is carried out to SV data using the nominal time to side data, and is stored in data buffer area, SV data are subjected to data interpolating, carries out framing according to the frame format of setting；Analog data is converted into message by conditioning circuit, after being stored in data buffer area, carries out framing according to the frame format of setting；FT3 formatted data is received using fiber optic receiver, and FT3 formatted data is decoded, then carries out framing according to the frame format of setting.The present invention can handle the data of at least two formats simultaneously, and parsed, synchronized and framing to these data, solve the problems, such as that the prior art can not handle multiple format data simultaneously.
Description
Technical field
The invention belongs to technical field of data processing, and in particular to a kind of data processing method and dress of intelligent substation
It sets.
Background technique
Currently, analog data is adopted in the exchange head realization that the protection supervisory equipment of conventional substation directly passes through itself
Collection.In intelligent substation, combining unit can be configured to acquire data.If primary side configures routine transformer, combining unit
It is then coupled by collector；If primary side configures electronic mutual inductor, electric mutual inductor directly transmits the number of FT3 format
According to combining unit is given, final combining unit exports the SV data of IEC 61850-9-2 format to protection, measure and control device, such as Fig. 1 institute
Show.Such device configuration mode thereby reduces system reliability so that substation equipment quantity dramatically increases.
Summary of the invention
The object of the present invention is to provide a kind of data processing method of intelligent substation and devices, for solving the prior art
The problem of multiple format data can not be handled simultaneously.
In order to solve the above technical problems, the present invention proposes a kind of data processing method of intelligent substation, including following solution
Certainly step:
1) pending data is received, the pending data is at least SV data, to side data, analog data and FT3
Two kinds in formatted data；
2) described to side data using the processing of equation of light communication module, data interpolating is carried out to side data to described, by interpolation
Data afterwards carry out framing according to the frame format of setting；
3) frame decoding is carried out to SV data using the nominal time to side data, and is stored in data buffer area, by SV data into
Data after interpolation are carried out framing according to the frame format of setting by row data interpolating；
4) analog data is converted into message by conditioning circuit, it will be according to the frame lattice of setting behind deposit data buffer area
Formula carries out framing；
5) the FT3 formatted data is received using fiber optic receiver, and FT3 formatted data is decoded, after decoding
Data according to setting frame format carry out framing.
The present invention for routine transformer output analog data, electric mutual inductor output FT3 format data, other
Every the sampled data output SV data of 9-2 format, opposite side export 24 points of privately owned conventions data, while to above-mentioned at least two
After the processing such as the data of format are parsed, synchronized, framing, treated data framing handles mould by protection/control logic
Three modules such as block, recording logic processing module, sending logic processing module are accordingly protected/observing and controlling, recording, output function
Realization, be finally output to the occasions such as other corresponding protection supervisory equipment, recording and monitoring systems.
Further, described is 24 points of privately owned conventions datas to side data to side data.
Further, when the pending data is SV data and when to side data, by SV data and to side data together into
Row data interpolating carries out framing according to the frame format of setting.
Further, step 5) further includes stamping markers using the frame head of clock synchronization signal data after the decoding, and carry out the school CRC
It tests.
Further, step 4) further includes measuring the frequency of the conditioning circuit, the sampling interval is adjusted according to the frequency, when need
When adjusting the sampling interval, sampling pulse is adjusted, is controlled by ADC, conditioning circuit is adjusted.
In order to solve the above technical problems, the present invention also proposes a kind of data processing equipment of intelligent substation, including following
Solution:
Including at least SV Data Input Interface, opposite side Data Input Interface, analog data input interface and FT3 format number
It further include data processing module and data output interface according to two kinds in input interface；
Wherein, data processing module is described to side data for handling, and carries out data interpolating to side data to described, will insert
Data after value carry out framing according to the frame format of setting；It is also used to carry out frame decoding to SV data to the nominal time of side data,
And it is stored in data buffer area, SV data are subjected to data interpolating, the data after interpolation are subjected to framing according to the frame format of setting；
Be also used to analog data being converted into message by conditioning circuit, be stored in behind data buffer area by according to the frame format of setting into
Row framing；It is also used to receive the FT3 formatted data, and FT3 formatted data is decoded, by decoded data according to setting
Fixed frame format carries out framing；
The data output interface is for will treated that data export by data processing module.
Further, described is 24 points of privately owned conventions datas to side data to side data.
Further, when received pending data is SV data and when to side data, data processing module is also used to SV
Data and data interpolating is carried out to side data together, carries out framing according to the frame format of setting.
Further, data processing module is also used to stamp markers using the frame head of clock synchronization signal data after the decoding, goes forward side by side
Row CRC check.
Further, data processing module is also used to measure the frequency of the conditioning circuit, according between frequency adjustment sampling
Every when needing to adjust the sampling interval, adjustment sampling pulse is controlled by ADC, is adjusted to conditioning circuit.
Detailed description of the invention
Fig. 1 is the connection figure of protection supervisory equipment and mutual inductor in intelligent substation in the prior art；
Fig. 2 is the data processing equipment connection figure of the accessible multi-format data of the present invention；
Fig. 3 is the implementation flow chart of data processing module in data processing equipment of the invention.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
Embodiment one:
The data processing method of intelligent substation of the invention, comprising the following steps:
1) pending data is received, pending data is at least SV data, to side data, analog data and FT3 format
Two kinds in data；
2) described to side data using the processing of equation of light communication module, data interpolating is carried out to side data to described, by interpolation
Data afterwards carry out framing according to the frame format of setting；
3) frame decoding is carried out to SV data using the nominal time to side data, and is stored in data buffer area, by SV data into
Data after interpolation are carried out framing according to the frame format of setting by row data interpolating；
4) analog data is converted into message by conditioning circuit, it will be according to the frame lattice of setting behind deposit data buffer area
Formula carries out framing；
5) the FT3 formatted data is received using fiber optic receiver, and FT3 formatted data is decoded, after decoding
Data according to setting frame format carry out framing.
The present invention can at least while handle the SV data of the sampled data output 9-2 format at other intervals, opposite side output
Two kinds of data in 24 points of privately owned conventions data, analog data and FT3 formatted data, and these data are solved
Analysis, synchronous and framing, solve the problems, such as that the prior art can not handle multiple format data simultaneously.
The present invention is able to achieve the multiple formats data access such as analog quantity, FT3 format, 9-2 format and carries out unified processing,
And final output be suitable for protection/observing and controlling, recording, monitoring a variety of applications data, can be used for conventional substation and intelligence become
Two kinds of power station occasion, can obviously reduce substation equipment quantity, while reducing failure rate, improve system reliability.The device
Using with certain application value.
It further include the frame head using clock synchronization signal data after the decoding to guarantee the accuracy and timeliness of data transmission
Stamp markers, and the step of carrying out CRC check.In order to facilitate the adjustment sampling interval, the sampling interval is adjusted by hardware frequency measurement, when
When needing to adjust the sampling interval, sampling pulse is adjusted, is controlled by ADC, conditioning circuit is adjusted.
Based on above-mentioned data processing method, the invention also provides a kind of data processing equipments of intelligent substation, including
The input interface for receiving pending data, the input interface for receiving pending data include at least SV Data Input Interface, opposite side
Two kinds in Data Input Interface, analog data input interface and FT3 formatted data input interface, further include data processing mould
Block, data output interface.
Wherein, data processing module is described to side data for handling, and carries out data interpolating to side data to described, will insert
Data after value carry out framing according to the frame format of setting；It is also used to carry out frame decoding to SV data to the nominal time of side data,
And it is stored in data buffer area, SV data are subjected to data interpolating, the data after interpolation are subjected to framing according to the frame format of setting；
Be also used to analog data being converted into message by conditioning circuit, be stored in behind data buffer area by according to the frame format of setting into
Row framing；It is also used to receive the FT3 formatted data, and FT3 formatted data is decoded, by decoded data according to setting
Fixed frame format carries out framing.Above-mentioned data output interface is defeated for that will carry out by data processing module treated data
Out.
Signified data processing module in above-described embodiment is actually based on the one of data processing method process of the present invention
Kind computer solution, i.e. data processing module are treatment progress corresponding with method flow, due to the above method
Introduction sufficiently clear is complete, therefore be not described in detail the data processing module.
The data processing equipment that the present invention can access multi-format can be protective device, be also possible to measure and control device, simultaneously
It is applicable to conventional substation and intelligent substation Liang Zhong substation type.It is mutual that routine transformer exports analog data, electronics
Sensor exports the data of FT3 format, the sampled data at other intervals exports the SV data of 9-2 format, the private of 24 points of opposite side output
There is conventions data to the device, the processing such as device parsed by data of the data processing module to multi-format, synchronized, framing
Afterwards, using three modules such as protection/control logic processing module, recording logic processing module, sending logic processing module into
Corresponding protection/the observing and controlling of row, the realization of recording, output function, are finally output to other corresponding protection supervisory equipment, recording and prisons
The occasions such as control system.
Embodiment two:
The invention proposes a kind of data processing equipment of the multi-format datas such as accessible analog quantity, FT3 and 9-2, the dresses
It sets and can be protective device, be also possible to measure and control device.Routine transformer exports analog data, electric mutual inductor exports FT3
Data, the sampled data at other intervals of format export the SV data of 9-2 format, the privately owned conventions data of 24 points of opposite side output arrives
The device, after device the processing such as synchronizes by data of the data processing module to multi-format, using protection (if protection
Device)/control (if measure and control device) logic processing module, recording logic processing module, sending logic processing module etc. three
Module realizes corresponding protection/observing and controlling function, recording function and the realization for sending data function, is finally output to other protections and surveys
A variety of occasions of device, recording and monitoring system are controlled, as shown in Figure 2.
Steps are as follows for specific signal processing:
1) opposite side data processing step:
It is 24 points of privately owned conventions data to side data.After data reach this side, optical fiber interface is first passed through, utilizes the equation of light
Communication module carries out preliminary treatment to side data, restores the sampling instant of opposite side, and moment calibration is arrived to the SV number of this side
In, after carrying out registration process, the unified SV data with this side carry out data interpolating together, finally by data framing, pass through number
It exports according to interface, is used for protection/control logic processing module, recording logic processing module, sending logic processing module.
2) this side data processing step:
A) SV is inputted:
SV data are handled by PHY chip, carry out frame decoding, deposit to SV message using the nominal time to side data
In data buffer area, frequency measurement module extracts mains frequency according to the frame message content in buffer area, carries out to the sampling interval
The data of adjustment and opposite side carry out interpolation together, the data frame that forms that treated, are exported by data-interface, for protection/control
Logic processing module, recording logic processing module, sending logic processing module use.
B) analog input:
In the case where the analog output of routine transformer, first by conditioning circuit, it is converted into message, is stored in data
By data framing after buffer area.The sampling interval is adjusted by hardware frequency measurement simultaneously；When needing to adjust the sampling interval, adjustment sampling
Pulse is controlled by ADC, is adjusted to conditioning circuit.
C) FT3 data input:
The data of the FT3 format of electronic mutual inductor output are inputted by fiber optic receiver, while fiber optic receiver receives
Synchronous pulse per second (PPS)；Second step carries out FT3 decoding to data, markers is stamped at frame head using clock synchronization signal after decoding, and carry out
CRC check；Final data framing, is exported by data-interface, for protection/control logic processing module, recording logical process mould
Block, sending logic processing module use.
The present invention is able to achieve the multiple formats data access such as analog quantity, FT3 format, 9-2 format and carries out unified processing,
And final output be suitable for protection/observing and controlling, recording, monitoring a variety of applications data, can be used for conventional substation and intelligence become
Two kinds of power station occasion, can obviously reduce substation equipment quantity, while reducing failure rate, improve system reliability.The device
Using with certain application value.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (10)
1. a kind of data processing method of intelligent substation, which comprises the following steps:
1) pending data is received, the pending data is at least SV data, to side data, analog data and FT3 format
Two kinds in data；
2) described to side data using the processing of equation of light communication module, data interpolating is carried out to side data to described, after interpolation
Data carry out framing according to the frame format of setting；
3) frame decoding is carried out to SV data using the nominal time to side data, and is stored in data buffer area, SV data are counted
According to interpolation, the data after interpolation are subjected to framing according to the frame format of setting；
4) analog data is converted into message by conditioning circuit, be stored in behind data buffer area by according to the frame format of setting into
Row framing；
5) the FT3 formatted data is received using fiber optic receiver, and FT3 formatted data is decoded, by decoded number
Framing is carried out according to according to the frame format of setting.
2. the data processing method of intelligent substation according to claim 1, which is characterized in that described is 24 to side data
The privately owned conventions data of point to side data.
3. the data processing method of intelligent substation according to claim 1 or 2, which is characterized in that when described to be processed
Data are SV data and when to side data, data interpolating are carried out together by SV data and to side data, according to the frame format of setting
Carry out framing.
4. the data processing method of intelligent substation according to claim 1, which is characterized in that step 5) further includes utilizing
The frame head of clock synchronization signal data after the decoding stamps markers, and carries out CRC check.
5. the data processing method of intelligent substation according to claim 1, which is characterized in that step 4) further includes measurement
The frequency of the conditioning circuit adjusts the sampling interval according to the frequency, when needing to adjust the sampling interval, adjusts sampling pulse,
It is controlled by ADC, conditioning circuit is adjusted.
6. a kind of data processing equipment of intelligent substation, which is characterized in that include at least SV Data Input Interface, to side data
Two kinds in input interface, analog data input interface and FT3 formatted data input interface, further include data processing module and
Data output interface；
Wherein, data processing module is described to side data for handling, and data interpolating is carried out to side data to described, after interpolation
Data according to setting frame format carry out framing；It is also used to carry out frame decoding to SV data to the nominal time of side data, and deposits
Enter data buffer area, SV data are subjected to data interpolating, the data after interpolation are subjected to framing according to the frame format of setting；Also use
In analog data is converted into message by conditioning circuit, group will be carried out according to the frame format of setting after being stored in data buffer area
Frame；It is also used to receive the FT3 formatted data, and FT3 formatted data is decoded, by decoded data according to setting
Frame format carries out framing；
The data output interface is for will treated that data export by data processing module.
7. the data processing equipment of intelligent substation according to claim 6, which is characterized in that described is 24 to side data
The privately owned conventions data of point to side data.
8. the data processing equipment of intelligent substation according to claim 6 or 7, which is characterized in that when received wait locate
Reason data are SV data and when to side data, and data processing module is also used to SV data and carries out data together to side data and insert
Value carries out framing according to the frame format of setting.
9. the data processing equipment of intelligent substation according to claim 8, which is characterized in that data processing module is also used
Markers is stamped in the frame head using clock synchronization signal data after the decoding, and carries out CRC check.
10. the data processing equipment of intelligent substation according to claim 7, which is characterized in that data processing module is also
For measuring the frequency of the conditioning circuit, the sampling interval is adjusted according to the frequency, when needing to adjust the sampling interval, adjustment is adopted
Sample pulse, is controlled by ADC, is adjusted to conditioning circuit.
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