CN1949657A - Embedded excited control system - Google Patents
Embedded excited control system Download PDFInfo
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- CN1949657A CN1949657A CNA200610129326XA CN200610129326A CN1949657A CN 1949657 A CN1949657 A CN 1949657A CN A200610129326X A CNA200610129326X A CN A200610129326XA CN 200610129326 A CN200610129326 A CN 200610129326A CN 1949657 A CN1949657 A CN 1949657A
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Abstract
The invention is a power system synchronous generator embedded exciation control system, adopting coordinating design concept to analyze and reasonably divide software/hardware so as to make the whole system performance achieve the optimum status and transplanting real-time multitask operating system into microprocessor to assure system response real-timeness, and its advantages and technical effects: according to the required functions and demands of an exciation system, dividing system software/hardware in system structure design; coordinatively developing software/hardware to make them mutually supported and providing development platforms for each other. And it makes it easy to compile application program and besides, enhances transplantability largely and remarkably improves code reusability.
Description
(1) technical field:
The invention belongs to electric power system synchronous generator exciting control system technical field.
(2) background technology:
Generator is one of most important equipment in the electric power system, the automatic magnetic exciting control system is the important component part of synchronous generator control, its basic function is to provide direct current to the synchronous generator exciting winding, excitation system is by the direct current of regulator generator excitation winding simultaneously, the control generator terminal voltage is constant, satisfy the needs of generator normal power generation, the reasonable distribution of reactive power between the control generating set, so the synchronous generator exciting control system directly influences the operation characteristic of generator.In service in normal operation of electric power system or accident, the exciter control system of synchronous generator improves the technical-economic index of generator and electric power system effectively to guaranteeing the generator reliability service, and it is vital making electric power system that satisfactory performance be arranged.Present embedded excitation system is hardware and software to be divided into two independent parts design respectively, this combined system can only be improved software/hardware performance separately, and can not make good performance optimization to whole system, aspect software, generally do not possess operating system, but realize with the AM/BAM program run mode, real-time is relatively poor, and application program almost can not be expanded.So the research of exciter control system has very important realistic meaning, become the important subject of synchronous generator excited system.
(3) summary of the invention:
The object of the present invention is to provide a kind of embedded excited control system, adopt the collaborative design idea of software/hardware combination software/hardware to be analyzed and reasonably divided, thereby make the performance of whole system reach optimum state, improved the performance of excitation controlling device.
Technical scheme of the present invention is: a kind of embedded excited control system is by system architecture branch, and software/hardware is realized branch, and four parts of system integration branch and system testing branch are formed; System architecture branch and software/hardware realize that branch adopts a kind of synergetic structure of software/hardware combination software/hardware to be analyzed and reasonably divided, thereby make the software/hardware of exciter control system reach rational combination, make the performance of its system reach optimum state; The output of system architecture branch connects software/hardware and realizes branch, and software/hardware is realized the integrated branch of output connected system of branch, the output connected system test branch of system integration branch.
The system architecture branch of embedded excited control system comprises that hardware is divided, 2 subbranches of software demarcation; Hardware is divided subbranch and exciter control system is divided into 5 modules such as AC sampling, central processing, power switch, data communication, liquid crystal display; The input of AC sampling module connects the instrument transformer of external circuit, its output connects the input of central processing module, the output of central processing module connects the power switch module, power switch module output connects generator, two-way connection PC of data communication module and DSP, the output of central processing module connects LCD MODULE.The software demarcation subbranch is divided into AD sampling, pulse shaping, adjusting control, data communication, 5 tasks of liquid crystal display with exciter control system, and 5 tasks all are to be based upon on the basis of operating system uC/OS-II, are switched by uC/OS-II.
The hardware of embedded excited control system realizes that branch finishes the circuit of printed circuit board of 5 hardware modules and the connection of the interface circuit between each hardware module with protel software, software realizes that branch is that choosing with the c program code of 5 tasks of complete operation system write, and the operating system that this exciter control system is chosen is uC/OS-II.
The system integration branch of embedded excited control system is with after uC/OS-II and the compiling of 5 tasks processes, downloads to together in the memory of TMS320F2812DSP, software and hardware is integrated together debugs.
The system testing branch of embedded excited control system carries out a series of test to integrated embedded excited control system, as bringing onto load test, safety test and pressure test etc.
Operation principle of the present invention:
The operation principle of the embedded excited control system that this case is related is: this system adopts the collaborative design idea of software/hardware combination software/hardware to be analyzed and reasonably divided, thereby the software/hardware that makes exciter control system reaches combination preferably, and the performance of exciter control system reaches optimum state.
Superiority of the present invention and technique effect are: according to required function of finishing of excitation system and demand, in the system architecture design, carry out the division of system hardware and software, software/hardware is worked in coordination with concurrent development, support mutually, development platform is provided mutually, overcome the development process of present first hardware, back software, made system reach optimization in Properties.Owing in real time embedded OS is transplanted to after the microprocessor, writing of application program is more prone to, portability strengthens greatly simultaneously, and code reusable rate significantly improves.
(4) description of drawings:
Accompanying drawing 1 is the general diagram of embedded excited control system of the present invention
Accompanying drawing 2 is the system architecture branch block diagram in the embedded excited control system of the present invention
Accompanying drawing 3 is realized branch's block diagram for the hardware in the embedded excited control system of the present invention
Accompanying drawing 4 is realized branch's block diagram for software in the embedded excited control system of the present invention
(5) embodiment:
Embodiment:
A kind of embedded excited control system of Fig. 1 is made up of system architecture branch, hardware and software branch, four parts of system integration branch and system testing branch; It is characterized in that system architecture branch and hardware and software branch adopt a kind of collaborative design idea of software/hardware combination software/hardware to be analyzed and reasonably divided, thereby the software/hardware that makes exciter control system reaches best combination, makes the performance of exciter control system reach optimum state; The output connection hardware of system architecture branch and software are realized branch, and hardware and software is realized the integrated branch of output connected system of branch, the output connected system test branch of system integration branch.
Fig. 2 is that system architecture branch comprises that hardware is divided, 2 subbranches of software demarcation.
The hardware of Fig. 2 is divided subbranch and exciter control system is divided into 5 modules such as AC sampling module, central processing module, power switch module, data communication module, LCD MODULE.The input of AC sampling module connects the instrument transformer of external circuit, its output connects the input of central processing module, the output of central processing module connects the power switch module, power switch module output connects generator, two-way connection PC of data communication module and DSP, the output of central processing module connects LCD MODULE.
The software demarcation subbranch of Fig. 2 comprises AD sampling, pulse shaping, adjusting control, data communication, 5 tasks of liquid crystal display, and 5 tasks all are to be based upon on the basis of operating system uC/OS-II, are switched by uC/OS-II.
The embedded excitation controlling device hardware branches block diagram of Fig. 3 is made up of AC sampling module, central processing module, power switch module, data communication module, LCD MODULE etc., the input of AC sampling module connects the instrument transformer of external circuit, its output connects the input of central processing module, the output of central processing module connects the power switch module, power switch module output connects generator, two-way connection PC of data communication module and DSP, the output of central processing module connects LCD MODULE.The application program of excitation controller and uC/OS-II are downloaded in the memory of TMS320F2812DSP together through after compiling, and operating system is decomposed into a series of task with whole application program, and all module managed control.After the digital signal that central processing module obtains sampling is handled, the driving power switch module.Data communication module couples together PC and DSP by the serial communication interface on the DSP, finishes the two-way transmission and the exchanges data of data.The control signal of DSP and data are input to LCD MODULE, thereby can realize the demonstration of some significant datas of generator through after the level conversion.
Fig. 4 is software demarcation subbranch block diagram in the embedded excited control system of the present invention: the software subbranch is divided into AD sampling, pulse shaping, adjusting control, data communication, 5 tasks of liquid crystal display with exciter control system, 5 tasks all are to be based upon on the basis of operating system uC/OS-II, are switched by uC/OS-II.
Hardware realizes that branch finishes the circuit of printed circuit board of 5 hardware modules and the connection of the interface circuit between each hardware module with protel software, choosing with the c program code of 5 tasks of complete operation system of software realization branch write, and the operating system that this exciter control system is chosen is uC/OS-II.
System integration branch is with after uC/OS-II and the compiling of 5 tasks processes, downloads to together in the memory of TMS320F2812DSP, software and hardware is integrated together debugs.
System testing branch carries out a series of test to integrated embedded excited control system.As bringing onto load test, safety test and pressure test etc.
Claims (4)
1. an electric power system synchronous generator embedded excited control system is by system architecture branch, software/hardware is realized branch, four parts of system integration branch and system testing branch are formed, it is characterized in that: system architecture branch and software/hardware realize that branch adopts a kind of synergetic structure of software/hardware combination, software/hardware is analyzed and reasonably divided, thereby the software/hardware that makes exciter control system reaches rational combination, make the performance of system reach optimum state, the output of system architecture branch connects software/hardware and realizes branch, software/hardware is realized the integrated branch of output connected system of branch, the output connected system test branch of system integration branch.
2. the system architecture branch according to claim 1 embedded excited control system is characterized in that: this branch comprises the hardware division, 2 subbranches of software demarcation, hardware is divided subbranch exciter control system is divided into AC sampling, central authorities handle, power switch, data communication, 5 modules such as liquid crystal display, the output of AC sampling module connects the input of central processing module, the output of central processing module connects the power switch module, power switch module output connects generator, the two-way connection central processing module of data communication module, the output of central processing module connects LCD MODULE.The software demarcation subbranch is divided into AD sampling, pulse shaping, adjusting control, data communication, 5 tasks of liquid crystal display with exciter control system, and 5 tasks all are to be based upon on the basis of operating system uC/OS-II, are switched by uC/OS-II.
3. realize that according to the software/hardware of claim 1 embedded excited control system branch is characterized in that: hardware realizes that branch finishes the circuit of printed circuit board of 5 hardware modules and the connection of the interface circuit between each hardware module with protel software, choosing with the c program code of 5 tasks of complete operation system of software realization branch write, and the operating system that this exciter control system is chosen is uC/OS-II.
4. the system integration branch according to claim 1 embedded excited control system is characterized in that: be with after uC/OS-II and the compiling of 5 tasks processes, download to together in the memory of TMS320F2812DSP, software and hardware is integrated together debugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610129326XA CN100571017C (en) | 2006-11-09 | 2006-11-09 | Embedded excited control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610129326XA CN100571017C (en) | 2006-11-09 | 2006-11-09 | Embedded excited control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1949657A true CN1949657A (en) | 2007-04-18 |
| CN100571017C CN100571017C (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610129326XA Expired - Fee Related CN100571017C (en) | 2006-11-09 | 2006-11-09 | Embedded excited control system |
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Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063170A (en) * | 1992-01-06 | 1992-07-29 | 清华大学 | Fully digital type non-linear excitation controlling device |
| KR100442122B1 (en) * | 2001-07-31 | 2004-07-30 | 한국전기연구원 | Brushless generator with permanent magnet |
| CN2569445Y (en) * | 2002-08-23 | 2003-08-27 | 西安理工大学 | Field regulator of synchronous generator |
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2006
- 2006-11-09 CN CNB200610129326XA patent/CN100571017C/en not_active Expired - Fee Related
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| CN100571017C (en) | 2009-12-16 |
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Addressee: Wang Lige Document name: Review of business letter |
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Granted publication date: 20091216 Termination date: 20111109 |