CN101304231A - Communication measurement control system based on generator microcomputer excitation system - Google Patents
Communication measurement control system based on generator microcomputer excitation system Download PDFInfo
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- CN101304231A CN101304231A CNA2008100397241A CN200810039724A CN101304231A CN 101304231 A CN101304231 A CN 101304231A CN A2008100397241 A CNA2008100397241 A CN A2008100397241A CN 200810039724 A CN200810039724 A CN 200810039724A CN 101304231 A CN101304231 A CN 101304231A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to a communication and measurement controlling system based on a magnetic excitation system of a microcomputer of a generator. The invention is characterized by comprising a path of a rapid closed loop control network CAN 1 bus at the inside of a magnetic excitation adjustor of microcomputer of generator and the other path of a batch data transmission network CAN 2 bus. The two buses are connected with a receiving-and-sending module which is arranged on an interface board of the controller of a touch screen which is operated in the local position respectively, and are also connected with receiving-and-sending modules which are arranged on the controllers of channel C and channel D and the receiving-and-sending modules which are arranged on the power cabinets from A1 to An respectively. The receiving-and-sending modules which are arranged on the channel C and channel D are connected with the corresponding interface board of the controller on the channel C, the interface board of the controller on the channel D, the interface board of the controller on the power cabinets from A1 to An and the interface board of the touch screen controller on the touch screen respectively. The communication and measurement controlling system of the invention has the advantage that the reliability of the communication and measurement controlling system of the magnetic excitation system of microcomputer of the motor is greatly improved.
Description
Technical field
The present invention relates to a kind of communication Measurement and Control System based on the generator microcomputer excitation system, relate to the transmission and the modification of signal, order, state and parameter in a kind of communication Measurement and Control System of the generator microcomputer excitation system based on two-way CAN bus, belong to the communication field of measuring technique of generator microcomputer excitation system.
Background technology
The generator microcomputer excitation system is the important component part of generator, the microcomputer excitation system of generator not only provides generator rotor field required DC power supply, make generator convert mechanical energy to electric energy, and to keep the voltage levvl of generator or electric power system according to the requirement of electric power system; Load or burden without work between the reasonable distribution generator; Improve the static stability and the dynamic stability of electric power system, and these functions must reach all by the adjusting of the microcomputer excitation system in generator excited system control.And the microcomputer excitation control system is a part that belongs to generator excited system, therefore, needs transmission, the modification of signal, order, state and parameter between control and the Be Controlled, and this just needs network or serial line interface to finish.The generator microcomputer excitation system all adopted serial line interface or some network to finish these tasks in the past; since serial line interface or network itself exist error rate height, transmission speed slowly, the low shortcoming of antijamming capability particularly; and phenomenon easily bumps when several stations send data simultaneously; also may be owing to overload makes system crash; the fault that causes generator excited system; generator is made electric power system be subjected to very big impact by forced-stopping machine.
Summary of the invention
The purpose of this invention is to provide in a kind of transmission, the modification process in signal, order, state and parameter, make the error rate reduce to minimum, the problem that do not bump does not make system crash and the strong communication Measurement and Control System based on the generator microcomputer excitation system of antijamming capability because of overload.
For realizing above purpose, technical scheme of the present invention provides a kind of communication Measurement and Control System based on the generator microcomputer excitation system, it is characterized in that, fast closed-loop control net CAN 1 bus and another road batch data transmission net CAN 2 buses of the motor microcomputer excitation regulator inside that comprises that riches all the way, reception sending module on the touch-screen middle controller interface board of fast closed-loop control net CAN1 bus connection local operation, simultaneously reception sending module on interface channel C and the passage D controller and the reception sending module on all power cabinet A1-An, on the channel C all reception sending module respectively with corresponding channel C control unit interface plate, passage D control unit interface plate, control unit interface plate on the power cabinet A1-An and the touch screen controller interface board on the touch-screen connect;
Reception sending module on the touch-screen middle controller interface board of batch data transmission net CAN 2 buses connection local operation, simultaneously reception sending module on interface channel C and the passage D controller and the reception sending module on all power cabinet A1-An, passage D go up all reception sending modules respectively with corresponding channel C control unit interface plate, passage D control unit interface plate, power cabinet A1-An on the control unit interface plate and the touch screen controller interface board on the touch-screen be connected;
The present invention adopts two-way CAN bus, one road CAN bus mainly is responsible for internal transmission control voltage, operation conditions and operational order, another road CAN bus mainly is responsible for external communication function, is responsible for data, accident record and the test data sheet that transmission parameter shows and parameter modification is used simultaneously.They divide the work different, but support mutually, add that the CAN bus has the communication speed height, the response time is fast, reliability is high, characteristics such as easy to connect and ratio of performance to price height, therefore, have overcome the defective of other interface of present use, network.
Advantage of the present invention is to have improved the reliability of the communication Measurement and Control System of generator microcomputer excitation system greatly, in the transmission of signal, order, state and parameter, modification process, make the error rate reduce to minimum, the problem that do not bump does not make system crash and antijamming capability strong because of overload.
Description of drawings
Fig. 1 is a kind of communication Measurement and Control System structural representation based on the generator microcomputer excitation system.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, be a kind of communication Measurement and Control System structural representation based on the generator microcomputer excitation system, the communication Measurement and Control System of described a kind of generator microcomputer excitation system based on two-way CAN bus comprises touch-screen 1, module 2 is sent in the transmitting-receiving of CAN 1 bus interface, CAN 2 bus interface transmitting-receivings send module 2 ', CAN 1 bus 3, CAN 2 buses 3 ', channel C control unit interface plate 4, passage D control unit interface plate 5, power cabinet A1 control unit interface plate 6, power cabinet A2 control unit interface plate 7, power cabinet A3 control unit interface plate 8, power cabinet An control unit interface plate 9, touch screen controller interface board 10.
Outside adjuster, by terminal it can with 1km with the automatic excitation adjustor of generator of interior same model be connected, realize communication and can and host computer (power station Central Control Room) realize communication.By but batch data transmission net CAN2 bus 3 ' transmission parameter shows and parameter modification is used data, operation conditions, digit manipulation order and accident record, test data sheet etc.Batch data transmission net CAN 2 buses 3 ' service speed greater than 78kbps, adopt CAN 2.0A form.
In conjunction with concrete generator microcomputer excitation system further to narration of the present invention:
Microcomputer excitation regulator in the generator microcomputer excitation system has two to regulate passage automatically, channel C and passage D, and channel C is the main channel in these two passages, passage D is an alternate channel.When channel C is worked, send module 2 to send control voltage, operational order by the transmitting-receiving of CAN 1 bus interface on the channel C control unit interface plate 4 to each power cabinet, and receive the operating state signal that each power cabinet sends by CAN 1 bus, the operating state signal that channel C is sent according to the real time data that collects controlled device (generator) and each work station, make new computing, send the running status of control voltage, operational order and each power cabinet of a new round then.Go round and begin again like this and make controlled device (generator) stable operation at a certain state.Passage D send the module signal that 2 receive path C send by the transmitting-receiving of CAN 1 bus interface on the passage 2 control unit interface plates 5, basis collects the real time data of controlled device (generator) and the operating state signal that each work station sends then, adjust the stand-by state of oneself, in case channel C breaks down, passage D devotes oneself to work automatically, replace channel C, power cabinet A1, A2, A3, controller on the An is by interface board 6,7,8, the transmitting-receiving of CAN 1 bus interface on 9 send module 2 to receive the control voltage that channel C or passage D send, operational order, the controller of each power cabinet is again according to the data that oneself collect this cabinet, adjust the trigger impulse of oneself, and the running status of this cabinet is sent to passage 1 or passage 2 by CAN 1 bus.
When channel C is worked, by CAN 2 bus interface on the channel C control unit interface plate 4 transmitting-receivings send module 2 ', by generator microcomputer field regulator transmission parameter and the accident record (when requirement arranged can send) of terminal to host computer (power station central control room) or same model.Also reception sending module 2 ' transmission parameter demonstration, running status, accident record and the test data sheet on the touch screen controller interface board 10 of the touch-screen 1 of local operation simultaneously.Host computer (power station central control room) is connected to CAN 2 bus interface transmitting-receivings by terminal and send module 2 ' send the parameter modification data to channel C, running status and digital command, channel C is according to these parameter modification data, running status and digital command are adjusted, send module 2 to send control voltage by the transmitting-receiving of CAN 1 bus interface then to each power cabinet, operational order, each power cabinet is also adjusted according to the situation of oneself and is sent module 2 to feed back to channel C by the transmitting-receiving of CAN 1 bus interface the real-time status of oneself, channel C is sent the control voltage of a new round according to real-time condition, operational order makes controlled device (generator) be stabilized in the running status of a certain needs.The touch-screen 1 of same local operation send module 2 ' send the parameter modification data to channel C by the transmitting-receiving of 2 bus interface of the CAN on the touch screen controller interface board 10, running status and digital command, channel C is according to these parameter modification data, running status and digital command are adjusted, send module 2 to send control voltage by the transmitting-receiving of CAN 1 bus interface then to each power cabinet, operational order, each power cabinet is also adjusted according to the situation of oneself and is sent module 2 to feed back to channel C by the transmitting-receiving of CAN 1 bus interface the real-time status of oneself, and channel C is sent the control voltage of a new round according to real-time condition, operational order.Go round and begin again like this and make controlled device (generator) be stabilized in the running status of a certain needs.
The same when when passage D works, working with channel C, no longer repeat.
Claims (1)
1. communication Measurement and Control System based on the generator microcomputer excitation system, it is characterized in that, fast closed-loop control net CAN 1 bus (3) and another road batch data transmission net CAN 2 buses (3 ') of the motor microcomputer excitation regulator inside that comprises that riches all the way, reception sending module (2) on touch-screen (1) the middle controller interface board (10) of fast closed-loop control net CAN 1 bus (3) connection local operation, simultaneously reception sending module (2) on interface channel C and the passage D controller and the reception sending module (2) on all power cabinet A1-An, on the channel C all reception sending module (2) respectively with corresponding channel C control unit interface plate (4), passage D control unit interface plate (5), power cabinet 1 control unit interface plate (6), power cabinet 2 control unit interface plates (7), power cabinet 3 control unit interface plates (8), power cabinet An control unit interface plate (9), and the touch screen controller interface board (10) on the touch-screen (1) is connected; Reception sending module (2 ') on touch-screen (1) the middle controller interface board (10) of batch data transmission net CAN 2 buses (3 ') connection local operation, simultaneously reception sending module (2 ') on interface channel C and the passage D controller and the reception sending module (2 ') on all power cabinet A1-An, passage D go up all reception sending modules (2 ') respectively with corresponding channel C control unit interface plate (4), passage D control unit interface plate (5), power cabinet 1 control unit interface plate (6), power cabinet 2 control unit interface plates (7), power cabinet 3 control unit interface plates (8), power cabinet An control unit interface plate (9), and the touch screen controller interface board (10) on the touch-screen (1) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100397241A CN101304231B (en) | 2008-06-27 | 2008-06-27 | Communication measurement control system based on generator microcomputer excitation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100397241A CN101304231B (en) | 2008-06-27 | 2008-06-27 | Communication measurement control system based on generator microcomputer excitation system |
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| Publication Number | Publication Date |
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| CN101304231A true CN101304231A (en) | 2008-11-12 |
| CN101304231B CN101304231B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100397241A Expired - Fee Related CN101304231B (en) | 2008-06-27 | 2008-06-27 | Communication measurement control system based on generator microcomputer excitation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412510A (en) * | 2013-06-26 | 2013-11-27 | 国家电网公司 | Method for transmitting data of generator excitation regulator to intelligent power station |
| CN108667369A (en) * | 2018-06-27 | 2018-10-16 | 中国长江电力股份有限公司 | A kind of intelligent power cabinet and its control method for having excitation con-trol and adjusting poor function |
-
2008
- 2008-06-27 CN CN2008100397241A patent/CN101304231B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412510A (en) * | 2013-06-26 | 2013-11-27 | 国家电网公司 | Method for transmitting data of generator excitation regulator to intelligent power station |
| CN108667369A (en) * | 2018-06-27 | 2018-10-16 | 中国长江电力股份有限公司 | A kind of intelligent power cabinet and its control method for having excitation con-trol and adjusting poor function |
| CN108667369B (en) * | 2018-06-27 | 2023-08-18 | 中国长江电力股份有限公司 | Intelligent power cabinet with excitation control and difference adjustment functions and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN101304231B (en) | 2010-12-01 |
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Granted publication date: 20101201 Termination date: 20200627 |