CN203133527U - Set intelligent control system for small hydropower station - Google Patents
Set intelligent control system for small hydropower station Download PDFInfo
- Publication number
- CN203133527U CN203133527U CN2012206531852U CN201220653185U CN203133527U CN 203133527 U CN203133527 U CN 203133527U CN 2012206531852 U CN2012206531852 U CN 2012206531852U CN 201220653185 U CN201220653185 U CN 201220653185U CN 203133527 U CN203133527 U CN 203133527U
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- control system
- digital signal
- signal processor
- intelligent control
- switching value
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Abstract
The utility model provides a set intelligent control system for a small hydropower station. The set intelligent control system comprises a set intelligent control apparatus, and a voltage transformer, a current transformer, an upper computer, a circuit breaker and an intermediate relay which are respectively connected with the set intelligent control apparatus. The set intelligent control apparatus comprises a digital signal processor, and a switching value input, a switching value output, a memory, a display apparatus and a high-speed A/D conversion apparatus, wherein the switching value input and the switching value output are connected with the digital signal processor through input/output ports; and the digital signal processor includes a single-chip microcomputer and a chip. The set intelligent control system for the small hydropower station is simple in structure and has complete functional, takes the high-performance digital signal processor as the center and integrates all functions of a set into one single mainboard for realization, thereby effectively preventing human-caused misoperation and improving security performance.
Description
Technical field
The utility model belongs to the hydroelectric project field, is specifically related to a kind of unit intelligence control system for small hydropower station.
Background technology
The stability of Operation of Electric Systems has very important meaning to national economy, and as far back as the forties in 20th century and the fifties, the adjusting that just has the scholar to point out emphatically synchronous generator magnetic field has vital role to improving the stability of power system aspect.In service in electric system, the synchronous generator exciting electric current is the main source of system's reactive power, and in order to improve the operation characteristic of electric system, the raising system is to the reaction capacity of accident, must in excitation system, set up necessary automatic conditioning equipment, for example excitation controller.
At present; the small hydropower station automatic system in domestic particularly rural area adopts traditional approach more, namely disposes many harvesters, controller, finishes unit DATA REASONING, the same period, protection, regulatory function respectively; because small hydropower station is simple in structure; need the amount of control less, it is bigger to adopt this mode to waste, and security of system is poor; the line service amount is big; maintenance period is long, and unit operation efficient is not high, the cost height.
And small hydropower station adopts analog thyristor excitation mode usually, it is adjusted slowly, linearity is poor, failure rate is high, particularly manually the potentiometer adjusting can't have been satisfied automatic control requirement, and in recent years, some excitation installs motor additional at mechanical potentiometer and reaches a distant place and regulate automatically, has the situations such as not steady of regulating equally in the practical application, even often because the mechanical connection fault causes regulating malfunctioning and fault such as excess current, the lighter's tripping operation, weight person burns out controllable silicon etc.
The utility model content
The purpose of this utility model is at the above technical issues that need to address; a kind of unit intelligence control system for small hydropower station is provided; it can integrate control, adjusting, the same period, measurement, protection, the communication of little unit; the opertaing device of large amount of complex is integrated in the miniature instrument, realizes the robotization control of Small turbine unit control.
For reaching above technical purpose, the utility model provides a kind of unit intelligence control system for small hydropower station, it comprises the unit intelligence controlling device, and the voltage transformer (VT), current transformer, host computer, isolating switch and the auxiliary reclay that are connected with this unit intelligence controlling device respectively.
According to unit intelligence control system provided by the utility model, described unit intelligence controlling device comprises digital signal processor, and the switching value that is connected with this digital signal processor input, switching value output, storer, display device and high-speed a/d conversion equipment, output links to each other with described digital signal processor by input/output port with switching value in described switching value input.
According to unit intelligence control system provided by the utility model, described digital signal processor comprises single-chip microcomputer and chip.
According to unit intelligence control system provided by the utility model, described single-chip microcomputer is the AT89C2051 single-chip microcomputer.
According to unit intelligence control system provided by the utility model, described chip is the TMS320F2812 chip.
According to unit intelligence control system provided by the utility model, described display device is LCD.
Compared with prior art, the unit intelligence control system that is used for small hydropower station that the utility model provides, simple in structure, multiple functional, centered by high-performance digital signal processor, the motherboard of development function high concentration, each function of unit concentrated in the motherboard realize, thereby can prevent effectively that the people from being maloperation, improve security.
Description of drawings
Fig. 1 is the structure diagram of the unit intelligence control system for small hydropower station of the present utility model.
Fig. 2 is the hardware configuration synoptic diagram of unit intelligence controlling device.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, unit intelligence control system for small hydropower station of the present utility model, comprise unit intelligence controlling device 10, and the voltage transformer (VT) 20 that is connected with this unit intelligence controlling device 10 respectively, current transformer 30, host computer 40(computing machine for example), isolating switch 50 and auxiliary reclay 60.As shown in Figure 2, described unit intelligence controlling device 10 preferably includes digital signal processor 11, and the switching value that is connected with this digital signal processor 11 input 12, switching value output 13, storer 14, display device 15 and high-speed a/d conversion equipment 16, described switching value input 12 and switching value output 13 link to each other with described digital signal processor 11 by input/output port 17.Described storer 14 includes but not limited to RAM and/or ROM.
Described digital signal processor 11 preferably includes single-chip microcomputer and chip.In order to reduce manufacturing cost, simplified construction improves performance, and described single-chip microcomputer is preferably the AT89C2051 single-chip microcomputer.Described chip is preferably the TMS320F2812 chip.The instruction cycle of TMS320F2812 chip is 150MHz, be 32 advanced, powerful in the market fixed-point DSP chip, it had both had digital signal processing capability, have powerful incident management ability and embedded Control function again, be specially adapted to the observing and controlling occasion that data in enormous quantities are handled, the use of high integrated, high-speed DSP has simplified the hardware design of microcomputer unit Based Intelligent Control greatly, can satisfy effectively that speed is fast, reliability is high and the requirement of real-time.
The unit intelligence control system that is used for small hydropower station that the utility model provides, described display device is preferably LCD.
The utility model is on the basis that microelectric technique, mechanics of communication, control technology and traditional small hydropower station electromechanical equipment combine; adopt integrated technical scheme; all secondary control functions of unit operation are concentrated in the control device; realize miniaturization, the instrument flower of controller, finish all controls, measurement and the defencive function of unit operation.Link to each other with communication bus between each unit control device, data are sent to host computer, form the full-automatic control system of small hydropower station, realize Centralized Monitoring.After receiving the instruction of host computer; the unit intelligence control system makes unit can realize Auto Power On, orderly closedown, emergency stop, adjusting power, state-detection, measurement function, defencive function etc.; thereby realize the automatically working of height; be applicable to personnel's present situation of small hydropower station; prevent that the people from being maloperation, improved the security of operation.
Claims (1)
1. a unit intelligence control system that is used for small hydropower station is characterized in that comprising the unit intelligence controlling device, and the voltage transformer (VT), current transformer, host computer, isolating switch and the auxiliary reclay that are connected with this unit intelligence controlling device respectively; Described unit intelligence controlling device comprises digital signal processor, and the switching value that is connected with this digital signal processor input, switching value output, storer, display device and high-speed a/d conversion equipment, output links to each other with described digital signal processor by input/output port with switching value in described switching value input; Described digital signal processor comprises single-chip microcomputer and chip.
2. unit intelligence control system according to claim 1, it is characterized in that: described single-chip microcomputer is the AT89C2051 single-chip microcomputer.
3. unit intelligence control system according to claim 1, it is characterized in that: described chip is the TMS320F2812 chip.
4. unit intelligence control system according to claim 1, it is characterized in that: described display device is LCD.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206531852U CN203133527U (en) | 2012-11-30 | 2012-11-30 | Set intelligent control system for small hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206531852U CN203133527U (en) | 2012-11-30 | 2012-11-30 | Set intelligent control system for small hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133527U true CN203133527U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206531852U Expired - Fee Related CN203133527U (en) | 2012-11-30 | 2012-11-30 | Set intelligent control system for small hydropower station |
Country Status (1)
| Country | Link |
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| CN (1) | CN203133527U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182898A (en) * | 2015-09-28 | 2015-12-23 | 三明市新地数控设备制造有限公司 | Hydropower PLC intelligent control system |
| CN105932771A (en) * | 2016-04-22 | 2016-09-07 | 国网浙江省电力公司丽水供电公司 | Small-hydropower-station voltage on-line monitoring device |
| CN109991905A (en) * | 2019-04-22 | 2019-07-09 | 武汉悟控科技有限公司 | A kind of integrated small hydropower station automatic control system |
-
2012
- 2012-11-30 CN CN2012206531852U patent/CN203133527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182898A (en) * | 2015-09-28 | 2015-12-23 | 三明市新地数控设备制造有限公司 | Hydropower PLC intelligent control system |
| CN105932771A (en) * | 2016-04-22 | 2016-09-07 | 国网浙江省电力公司丽水供电公司 | Small-hydropower-station voltage on-line monitoring device |
| CN109991905A (en) * | 2019-04-22 | 2019-07-09 | 武汉悟控科技有限公司 | A kind of integrated small hydropower station automatic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20131130 |