CN104468566B - A kind of electric power stipulations means of communication - Google Patents
A kind of electric power stipulations means of communication Download PDFInfo
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- CN104468566B CN104468566B CN201410736952.XA CN201410736952A CN104468566B CN 104468566 B CN104468566 B CN 104468566B CN 201410736952 A CN201410736952 A CN 201410736952A CN 104468566 B CN104468566 B CN 104468566B
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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
- H04L69/03—Protocol definition or specification
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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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- Computer Security & Cryptography (AREA)
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- General Health & Medical Sciences (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
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Abstract
The present invention discloses a kind of electric power stipulations means of communication, the set unit of data message is spaced apart with electric power, the data message of arranging according to partiting template between electric power and data format transmit, complete the transmission of an electric power interval related data with a message frame, described message frame is made up of heading, this station address, site, opposite end, function code, application data until and check digit.
Description
Technical field
The invention belongs to electric power conveying technology field, particularly a kind of electric power stipulations means of communication.
Background technology
Existing power communication stipulations have multiple version, comprise CDT (CDT92) stipulations, DNP3.0 and IEC101 and IEC104.Usually these existing power communication stipulations substantially all divide data in stipulations message by terminal number, information type, information period.Data in stipulations message itself do not have physical meaning.By means of only the analysis to message, the data of a series of insignificant analog quantity, quantity of state and pulsed quantity can only be obtained.Can not directly associate with the real physical of equipment.Must pass through the process that later stage period, data, physical quantity are corresponding, can be just that the data content entrained by stipulations message is of practical significance.
Because the data in stipulations message cannot independently use, must according to terminal number, data type, data period, could use after the physical quantity of dispatching patcher kernel physical device associates.Cause dispatching automation front subsystem cannot support independent of SCADA or other function that subsystem complete independently data acquisition and equipment control like this.
And the transmission range due to data is all data of station end, if again will obtain the data in an interval, just needs carry out data to station entirely and always to call together or group is called together.Always call together or message that group is called together all relatively long, the transmission of data cannot be completed by the mode of a GMS note or Big Dipper short message, add the expenditure of communication fee accordingly.
Summary of the invention
The object of this invention is to provide a kind of electric power stipulations means of communication, the method defines the Frame of transmission based on partiting template between electric power, to solve all drawbacks of existing stipulations.
Technical scheme of the present invention is, a kind of electric power stipulations means of communication, the set unit of data message is spaced apart with electric power, the data message of arranging according to partiting template between electric power and data format transmit, the transmission of an electric power interval related data is completed with a message frame, described message frame is made up of heading, this station address, site, opposite end, function code, application data until and check digit
The described electric power stipulations means of communication comprise the following steps:
A1, when slave station is set up, according to the electric power interval at scene on the end communication equipment of slave station station, Selection Model from the gap model that main website preserves, and harvester corresponding to model data is set, enable model data reflect on-the-spot actual electric power data information;
A2, according to the site of main website, distinguishes the different electric power interval data demand of each main website and authority, arranges according to the electric pressure at electric power interval and interval type mode;
A3, by main website to message during slave station transmission pair, the time of synchronous master station and follow station;
A4, slave station sends electric power interval data to each main website, after main website accepts message, carries out packet parsing according to form;
A5, main website initiates the request of electric power spaced simulation amount the inquiry of historical data to slave station according to demand;
A6, after slave station receives the request of main website initiation, sends request data according to the time range of asking and the time interval to main website;
A7, main website is according to demand to the request that the queue of slave station initiation electric power space state amount historical variations is uploaded;
A8, after slave station receives the request of main website initiation, the time range according to request returns after the remote signalling at electric power interval change queue framing to main website;
A9, main website initiates electric power interval control instructions to slave station according to demand;
A10, slave station receives the electric power interval control instructions that main website issues, and returns control result by electric power interval data frame.
The data standard of described electric power stipulations is,
Frame function code in stipulations is
| Function code | Function services |
| 0 | Interval data reports (initiatively) (up) |
| 1 | The change of space state amount reports (initiatively) (up) |
| 2 | Space state amount change list (passive) (up) |
| 3 | Spaced simulation amount change list (passive) (up) |
| 4 | Data calling (initiatively) (descending) |
| 5 | Instruction issues (initiatively) (descending) |
| 6 | Pair time issue (initiatively) (descending) |
The electric power interval data of application data service unit is
Application data service unit space state amount change upload into
The space state amount change list of application data service unit is
The spaced simulation amount change list of application data service unit is
The data calling of application data service unit is
The instruction of application data service unit issue into
Application data service unit pair time issue into
Data frame format is
Main website of the present invention refers to, electric power scheduling automatization system control centre, and slave station refers to, transformer station or station, power station end.
Beneficial effect of the present invention comprises,
1. master-salve station uses predefined interval data template to simplify message format, reduces message length, enables a frame message transmit the data at an electric power interval;
2. stipulations can realize the transmission being completed an interval data by a GMS note and big-dipper satellite short message;
3. the physical quantity direct correlation in the data of message and electric power interval, main website is without the need to carrying out data correlation.
Embodiment
In electric power system, transformer station is made up of some compact siro spinning technology, the part with some common function.Such as: inlet wire or the switchgear between outlet and bus; The bus connection device be made up of circuit breaker, isolation switch and grounding switch; Switchgear relevant between transformer electric pressure bus different from two.By a circuit breaker and relevant device composition virtual space, interval concept is also applicable to the configuration of the transformer station such as breaker connection and ring-like bus.These parts form electrical network shielded subdivision, and as one end of a transformer or a circuit, the control of corresponding switchgear, has the constraints that some is common, as interlocking or the well-defined sequence of operation.The identification of these parts is distinguished for overhauling (which part disconnects affects minimum on transformer station's remainder) or expansion plan (if increase a new line, which partly must increase) simultaneously extremely important.These parts are called electric power interval.Be separated with switch gap (comprising entry/exit line interval), mother interval, main transformer interval between conventional electric power, stand by changing distance, capacitor standoff etc.
The content for the protection gathered required for specific interval, analog quantity, quantity of state, pulsed quantity signal of present electric power system has had specification all substantially.The present invention to this definition in table one.
2, frame format
Message frame is made up of heading, this station address, site, opposite end, function code, application data until and check digit.As shown in Table 10.Heading is that hexadecimal EB forms, initial as each frame.Our station address table understands the initiation object of this frame message transmissions, and battle site indicates the reception object of this frame message.Function code identifies different type of messages.In table two.Different function codes uses the data format of different application data service units, and form details are in table three-Biao nine.
For the transmission of data, these stipulations are emphasized to be spaced apart unit with electric power, and the data message of arranging according to partiting template between electric power, data format transmit, and a frame message just can complete the transmission of an interval related data.
3, communication characteristics
Main website by configuration, can require that slave station sends the data of specific interval, to reduce the use of communication packet to communication traffic to main website.Slave station also can have more different main website users, dissimilar according to user, uploads the interval data that it is concerned about.
Table one is the data standard of described electric power stipulations
Table two is the frame function code in stipulations
| Function code | Function services |
| 0 | Interval data reports (initiatively) (up) |
| 1 | The change of space state amount reports (initiatively) (up) |
| 2 | Space state amount change list (passive) (up) |
| 3 | Spaced simulation amount change list (passive) (up) |
| 4 | Data calling (initiatively) (descending) |
| 5 | Instruction issues (initiatively) (descending) |
| 6 | Pair time issue (initiatively) (descending) |
Table three application data service unit (interval data)
Table four application data service unit (change of space state amount is uploaded)
Table five application data service unit (space state amount change list)
Table six application data service unit (spaced simulation amount change list)
Table seven application data service unit (data calling)
Table eight application data service unit (instruction issues)
Table nine application data service unit (pair time issue)
Table ten data frame format
Claims (1)
1. electric power stipulations means of communication, it is characterized in that, the set unit of data message is spaced apart with electric power, the data message of arranging according to partiting template between electric power and data format transmit, the transmission of an electric power interval related data is completed with a message frame, described message frame is made up of heading, this station address, site, opposite end, function code, application data until and check digit
The described electric power stipulations means of communication comprise the following steps:
A1, when slave station is set up, according to the electric power interval at scene on the end communication equipment of slave station station, Selection Model from the gap model that main website preserves, and harvester corresponding to model data is set, enable model data reflect on-the-spot actual electric power data information;
A2, according to the site of main website, by the electric power interval data demand of each main website and authority, is arranged according to the electric pressure at electric power interval and interval type mode, to distinguish the different electric power interval data demand of each main website and authority;
A3, by main website to message during slave station transmission pair, the time of synchronous master station and follow station;
A4, slave station sends electric power interval data to each main website, after main website accepts message, carries out packet parsing according to form;
A5, main website initiates the request of electric power spaced simulation amount the inquiry of historical data to slave station according to demand;
A6, after slave station receives the request of main website initiation, sends request data according to the time range of asking and the time interval to main website;
A7, main website is according to demand to the request that the queue of slave station initiation electric power space state amount historical variations is uploaded;
A8, after slave station receives the request of main website initiation, the time range according to request returns after the remote signalling at electric power interval change queue framing to main website;
A9, main website initiates electric power interval control instructions to slave station according to demand;
A10, slave station receives the electric power interval control instructions that main website issues, and returns control result by electric power interval data frame;
Main website refers to electric power scheduling automatization system control centre, and slave station refers to transformer station or station, power station end.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104834485A (en) * | 2015-05-12 | 2015-08-12 | 广东电网有限责任公司中山供电局 | Method and system for storing message of intelligent substation |
| CN106951500A (en) * | 2017-03-16 | 2017-07-14 | 国电南瑞科技股份有限公司 | A kind of power scheduling distant place historical record inquiry system and method |
| CN109561094B (en) * | 2018-12-06 | 2021-06-11 | 国网辽宁省电力有限公司锦州供电公司 | Method for changing electric quantity acquisition data message head structure by using wind power level |
| CN110099049B (en) * | 2019-04-19 | 2021-08-24 | 中电科安科技股份有限公司 | Communication protocol for information interaction between intelligent miniature circuit breaker and control center |
| CN112104442B (en) * | 2020-08-31 | 2023-12-05 | 宁波三星医疗电气股份有限公司 | Message reply method of electric power acquisition terminal |
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