CN106093824A - A kind of internal state quantity monitoring method of electronic mutual inductor - Google Patents
A kind of internal state quantity monitoring method of electronic mutual inductor Download PDFInfo
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- CN106093824A CN106093824A CN201610377850.2A CN201610377850A CN106093824A CN 106093824 A CN106093824 A CN 106093824A CN 201610377850 A CN201610377850 A CN 201610377850A CN 106093824 A CN106093824 A CN 106093824A
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- mutual inductor
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- internal state
- electronic mutual
- status frames
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides the internal state quantity monitoring method of a kind of electronic mutual inductor, including send the status frames including multiple internal state amount to combining unit；Described status frames is sent the data after resolving to host computer, or parsing status frames and sends to host computer by combining unit；Host computer resolves status frames, and judges whether electronic mutual inductor breaks down according to the data after resolving.Compared with prior art, the internal state quantity monitoring method of a kind of electronic mutual inductor that the present invention provides, can be by multiple internal state amounts of electronic mutual inductor, comprise switching value and analog quantity and be sent to host computer by combining unit in real time, thus promptly and accurately screen the fault type of electronic mutual inductor.
Description
Technical field
The present invention relates to power system primary equipment on-line monitoring technique field, be specifically related to a kind of electronic mutual inductor
Internal state quantity monitoring method.
Background technology
Electronic mutual inductor, as the intelligent apparatus in process layer, is the collection source of operation of power networks data, its precision,
The operation to electrical network of reliability, stability serves very important effect.Owing to electronic mutual inductor comprises laser instrument, light
All multicomponents such as fibre, electronic device, structure is complicated, and reliability is relatively poor, it is therefore desirable to often maintenance or replacing.By to electricity
Minor transformer internal state amount is monitored, and can evaluate the duty of electronic mutual inductor in real time, grasps its fortune
Market condition, thus reduce equipment and stop transport, simultaneously the regular visit of also alternative equipment, saves human cost.
Some electronic mutual inductors current possess internal state monitoring function, can pass through combining unit when a failure occurs it
Send alarm signal so that prompting operation maintenance personnel on-call maintenance, for example, detect that internal light intensity is reduced to below threshold value, internal
Abnormality of temperature sensors etc., but when these electronic mutual inductors carry out internal state monitoring, combining unit only transmits switching value, nothing
Method directly transmits the analog quantity of electronic mutual inductor, therefore electronic mutual inductor internal state amount can only be synthesized a total alarm
Signal, causes monitoring personnel cannot judge the fault type of electronic mutual inductor, and then delay faults maintenance time, reduces electronics
The application reliability of formula transformer.
Content of the invention
In order to meet the needs of prior art, the invention provides the internal state amount monitoring side of a kind of electronic mutual inductor
Method and a kind of combining unit.
The technical scheme is that
Described internal state amount includes the switch state within described electronic mutual inductor and/or emulation mode amount, institute
State internal state quantity monitoring method to include:
Send the status frames including multiple described internal state amount to combining unit；
Described combining unit sends described status frames to host computer, or the number after resolving after resolving described status frames
According to transmission to described host computer；
Described host computer resolves described status frames, and judges whether described electronic mutual inductor is sent out according to the data after resolving
Raw fault.
The optimal technical scheme that the present invention further provides is: described send out the status frames including multiple internal state amount
Include before delivering to combining unit:
Spare bytes in message frame form is provided for transmit the state byte of described internal state amount；Described electricity
The every frame of minor transformer transmits the sampled value in a moment and a described state byte simultaneously；
Described state byte rearranges state stream sequentially in time, and described state stream is by the shape of multiple regular lengths
State frame forms；
Sequentially send the status frames of multiple regular lengths of described state stream to described combining unit.
The optimal technical scheme that the present invention further provides is:
The length of described state byte is at least a byte；
The regular length of described status frames is at least a byte, and a byte packet of described status frames is described interior containing one
Portion's quantity of state.
The optimal technical scheme that the present invention further provides is: described status frames only comprises switch state, or only wraps
Amount containing emulation mode, or comprise at least one switch state and at least one emulation mode amount.
The optimal technical scheme that the present invention further provides is: described be set to the spare bytes in message frame form is used
FT3 message frame form is used during the state byte transmitting internal state amount.
The optimal technical scheme that the present invention further provides is: described combining unit sends status frames to host computer bag
Include:
Described combining unit transmits described status frames, described unappropriated word by unappropriated byte in message frame form
Joint is at least a byte；
The optimal technical scheme that the present invention further provides is: the number after resolving after described combining unit parsing status frames
Include according to transmission to host computer:
Described status frames is resolved by described combining unit, and the data after resolving are by unappropriated word in message frame form
Joint is sent to described host computer, and described unappropriated byte is at least a byte.
The optimal technical scheme that the present invention further provides is: described combining unit is passed through in message frame form unappropriated
SV message frame form or GOOSE frame format is all used during data after byte transmission status frames or parsing.
The optimal technical scheme that the present invention further provides is: described host computer includes network message analyzer or electronics
Formula transformer status monitoring IED.
Compared with immediate prior art, the invention has the beneficial effects as follows:
1st, the internal state quantity monitoring method of a kind of electronic mutual inductor that the present invention provides, will include multiple internal shape
The status frames of state amount sends to combining unit, has given full play to time-division multiplex technology, has only utilized 1 byte just can upload multiple
Internal state amount, takies resource few, saves electronic mutual inductor analog quantity transceiver module and single communication cable etc. simultaneously
Hardware investment, reduces product cost；
2nd, the internal state quantity monitoring method of a kind of electronic mutual inductor that the present invention provides, combining unit uses message frame
In form vacant byte transmission status frames or resolve after data, do not change original definition format of message frame form, just
In Software for Design；
3rd, the internal state quantity monitoring method of a kind of electronic mutual inductor that the present invention provides, status frames is sent out by combining unit
Data after resolving after delivering to host computer or resolving status frames send to host computer, it is achieved that the shape to electronic mutual inductor
State real-time data transmission, can cancel the regular visit to electronic mutual inductor primary equipment, improve productivity.
Brief description
Fig. 1: the internal state quantity monitoring method schematic diagram of a kind of electronic mutual inductor in the embodiment of the present invention；
Fig. 2: the internal state quantity monitoring method schematic flow sheet of a kind of electronic mutual inductor in the embodiment of the present invention.
Detailed description of the invention
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely illustrated, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Combine accompanying drawing separately below, the internal state amount monitoring to a kind of electronic mutual inductor that the embodiment of the present invention provides
Method illustrates.
Fig. 1 is the internal state quantity monitoring method schematic diagram of a kind of electronic mutual inductor in the embodiment of the present invention, such as figure institute
Showing, in the present embodiment, the switch state within electronic mutual inductor and emulation mode amount are all sent extremely upper by combining unit
Machine.The quantity of state that opens the light in the present embodiment can comprise parameter verification mistake, software error, hardware error, laser failure, voltage
The switching value such as transfinite, and emulation mode amount can comprise collector temperature, received optical power, laser drive current, laser instrument cause
The analog quantitys such as each power rail voltage value of cold electric current, chip of laser temperature, circuit board.Electronic type mutual inductance in the present embodiment simultaneously
Device is electronic mutual inductor.
The internal state quantity monitoring method schematic flow sheet of a kind of electronic mutual inductor in the embodiment of the present invention of Fig. 2 position, as
Shown in figure, in the present embodiment, internal state quantity monitoring method comprises the steps:
Step S101: send the status frames including multiple internal state amount to combining unit.
In the present embodiment, electronic mutual inductor is by status frames transmission concretely comprising the following steps to combining unit:
(1) spare bytes in message frame form is provided for transmitting the state of internal state amount by electronic mutual inductor
Byte, the every frame of electronic mutual inductor transmits the sampled value in a moment and a state byte simultaneously simultaneously.Shape in the present embodiment
The length of state byte is at least a byte, i.e. state byte can be a byte, two bytes or multiple byte.
Spare bytes in message frame form is provided for transmitting the state byte of internal state amount by the present embodiment
During use FT3 message frame form, simultaneously can use other message formats.In the present embodiment, FT3 message frame form is such as
Shown in table 1:
Table 1
(2) state byte is rearranged state stream by electronic mutual inductor sequentially in time, and state stream is fixed by multiple
The status frames composition of length.In the present embodiment, the regular length of status frames is at least a byte, a byte packet of status frames
Containing an internal state amount.The internal state amount type that status frames comprises includes three kinds of situations:
1st, this status frames only comprises switch state；
2nd, this status frames only comprises emulation mode amount；
3rd, this status frames comprises at least one switch state and at least one emulation mode amount.
For example, when the regular length of status frames is a byte, this status frames comprises an internal state amount, i.e. this state
Frame comprises a switch state or an emulation mode amount；When the regular length of status frames is two bytes, this status frames
Comprise two internal state amounts, i.e. this status frames comprises a switch state and an emulation mode amount, or two switches
Quantity of state, or two emulation mode amounts.
In the present embodiment, status frames form is as shown in table 2:
Table 2
By table 2, in the present embodiment, status frames includes starting character, user data and CRC check, wherein internal state
Amount include collector temperature, received optical power, laser drive current, laser instrument refrigeration electric current, chip of laser temperature ,+
3.3V voltage ,+1.9V voltage and+1.2V voltage.
(3) electronic mutual inductor sequentially sends the status frames of multiple regular lengths of state stream to combining unit.
The present embodiment sends the status frames including multiple internal state amount to combining unit, gives full play to the time-division
Multiplex technique, only utilizes 1 byte just can upload multiple internal state amount, takies resource few, save electronic type mutual simultaneously
The hardware investments such as sensor analog quantity transceiver module and single communication cable, reduce product cost.
Step S102: status frames is sent the data after resolving to host computer, or parsing status frames by combining unit
Send to host computer.
In the present embodiment, combining unit transmits status frames, unappropriated byte by unappropriated byte in message frame form
An at least byte.Meanwhile, status frames is resolved by combining unit, and the data after resolving are passed through in message frame form vacant
Byte be sent to host computer, unappropriated byte is at least a byte.SV message frame is all used in above-mentioned transmitting procedure
Form or GOOSE frame format.Wherein table 3 shows SV message frame form:
Table 3
By table 3, in the present embodiment, the internal state amount of electronic mutual inductor is carried out by the quality position of SV message
Upload, this quality position is made up of 32 digits, and unappropriated byte is Bit16～Bit23, therefore status frames or resolve after number
According to by the transmission of Bit16～Bit23 position.
Data after combining unit will resolve after sending status frames to host computer or resolving status frames in the present embodiment
Send to host computer, it is achieved that the status data real-time Transmission to electronic mutual inductor, can cancel to electronic mutual inductor one
The regular visit of secondary device, improves productivity.Meanwhile, combining unit uses vacant byte transmission state in message frame form
Data after frame or parsing, do not change original definition format of message frame form, it is simple to Software for Design.
Step S103: host computer resolves status frames, and judges whether electronic mutual inductor occurs according to the data after resolving
Fault.
In the present embodiment, host computer includes network message analyzer or electronic mutual inductor status monitoring IED, network report
Literary composition analyzer or electronic mutual inductor status monitoring IED can be the operation conditions of real-time accurate measurements electronic mutual inductor,
Be conducive to maintenance and the lifting of electronic mutual inductor primary equipment.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, be permissible
Instructing related hardware by computer program to complete, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only store-memory body (Read-Only, ROM) or random store-memory body (Random Access Memory,
RAM) etc..
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these changes and modification.
Claims (9)
1. an internal state quantity monitoring method for electronic mutual inductor, described internal state amount includes described electronic mutual inductor
Internal switch state and/or emulation mode amount, it is characterised in that described internal state quantity monitoring method includes:
Send the status frames including multiple described internal state amount to combining unit；
Described combining unit sends described status frames to host computer, or the data after resolving after resolving described status frames are sent out
Deliver to described host computer；
Described host computer resolves described status frames, and judges whether described electronic mutual inductor occurs event according to the data after resolving
Barrier.
2. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 1, it is characterised in that described general
The status frames transmission including multiple internal state amount included before combining unit:
Spare bytes in message frame form is provided for transmit the state byte of described internal state amount；Described electronic type
The every frame of transformer transmits the sampled value in a moment and a described state byte simultaneously；
Described state byte rearranges state stream sequentially in time, and described state stream is by the status frames of multiple regular lengths
Composition；
Sequentially send the status frames of multiple regular lengths of described state stream to described combining unit.
3. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 2, it is characterised in that
The length of described state byte is at least a byte；
The regular length of described status frames is at least a byte, and a byte packet of described status frames is containing a described internal shape
State amount.
4. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 3, it is characterised in that described shape
State frame only comprises switch state, or only comprises emulation mode amount, or comprises at least one switch state and at least one
Individual emulation mode amount.
5. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 2, it is characterised in that described general
Spare bytes in message frame form be provided for transmit internal state amount state byte during use FT3 message frame
Form.
6. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 1, it is characterised in that described conjunction
And status frames transmission is included by unit to host computer:
Described combining unit transmits described status frames by unappropriated byte in message frame form, and described unappropriated byte is extremely
It is a byte less.
7. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 1, it is characterised in that described conjunction
And the data transmission after resolving after unit resolves status frames includes to host computer:
Described status frames is resolved by described combining unit, and the data after resolving are passed by unappropriated byte in message frame form
Delivering to described host computer, described unappropriated byte is at least a byte.
8. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claims 6 or 7, it is characterised in that institute
All adopt during stating the data after combining unit is transmitted status frames by unappropriated byte in message frame form or resolved
By SV message frame form or GOOSE frame format.
9. the internal state quantity monitoring method of a kind of electronic mutual inductor as claimed in claim 1, it is characterised in that on described
Position machine includes network message analyzer or electronic mutual inductor status monitoring IED.
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| CN108680887A (en) * | 2018-06-11 | 2018-10-19 | 中国电力科学研究院有限公司 | The method and system of all-fiber current transformator accuracy under a kind of low temperature light intensity abnormal failure |
| CN109212454A (en) * | 2018-08-22 | 2019-01-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of state monitoring method of the optical current mutual inductor based on FT3 frame format |
| CN109581268A (en) * | 2018-12-13 | 2019-04-05 | 国网吉林省电力有限公司电力科学研究院 | A kind of optical fiber current mutual inductor method for diagnosing faults and device |
| CN111181995A (en) * | 2020-01-03 | 2020-05-19 | 云南电网有限责任公司电力科学研究院 | Message decoding method and system based on FT3 protocol |
| CN113884964A (en) * | 2021-10-27 | 2022-01-04 | 云南电网有限责任公司电力科学研究院 | AC/DC electronic mutual inductor operation inspection instrument |
| CN116054429A (en) * | 2023-03-02 | 2023-05-02 | 西安西电高压开关有限责任公司 | Laser energy supply system of electronic transformer and laser power adjustment method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597346A (en) * | 2016-12-08 | 2017-04-26 | 中国电力科学研究院 | Electronic current transformer laser energy supply self-diagnosis method and system thereof |
| CN108680887A (en) * | 2018-06-11 | 2018-10-19 | 中国电力科学研究院有限公司 | The method and system of all-fiber current transformator accuracy under a kind of low temperature light intensity abnormal failure |
| CN109212454A (en) * | 2018-08-22 | 2019-01-15 | 国网辽宁省电力有限公司电力科学研究院 | A kind of state monitoring method of the optical current mutual inductor based on FT3 frame format |
| CN109581268A (en) * | 2018-12-13 | 2019-04-05 | 国网吉林省电力有限公司电力科学研究院 | A kind of optical fiber current mutual inductor method for diagnosing faults and device |
| CN109581268B (en) * | 2018-12-13 | 2021-06-11 | 国网吉林省电力有限公司电力科学研究院 | Fault diagnosis method and device for optical fiber current transformer |
| CN111181995A (en) * | 2020-01-03 | 2020-05-19 | 云南电网有限责任公司电力科学研究院 | Message decoding method and system based on FT3 protocol |
| CN111181995B (en) * | 2020-01-03 | 2022-04-12 | 云南电网有限责任公司电力科学研究院 | Message decoding method and system based on FT3 protocol |
| CN113884964A (en) * | 2021-10-27 | 2022-01-04 | 云南电网有限责任公司电力科学研究院 | AC/DC electronic mutual inductor operation inspection instrument |
| CN116054429A (en) * | 2023-03-02 | 2023-05-02 | 西安西电高压开关有限责任公司 | Laser energy supply system of electronic transformer and laser power adjustment method |
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Application publication date: 20161109 |