CN103604983A - System for controlling operation parameters of wind power current transformer based on DSP and ARM - Google Patents
System for controlling operation parameters of wind power current transformer based on DSP and ARM Download PDFInfo
- Publication number
- CN103604983A CN103604983A CN201310604327.5A CN201310604327A CN103604983A CN 103604983 A CN103604983 A CN 103604983A CN 201310604327 A CN201310604327 A CN 201310604327A CN 103604983 A CN103604983 A CN 103604983A
- Authority
- CN
- China
- Prior art keywords
- unit
- data
- dsp
- arm
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a system for collecting and displaying operation parameters of a wind power current transformer based on a DSP and an ARM. The system comprises a data collection unit, a data interaction unit, an Ethernet interface unit, a virtual oscilloscope unit and a power supply unit. The data collection unit is used for collecting a network voltage signal, a grid-side current signal, a machine-side current signal and a stator voltage signal on spot, wherein all the signals reflect the operation parameters of the power current transformer; the collected signals are input to a secondary primary conditioning circuit; the primary conditioning circuit receives, filters and amplifies the input signals, and then sends the input signals to the data interaction unit. The Ethernet communication technology is applied to the system for monitoring and controlling the parameters of the wind power current transformer, data of the on-spot parameters of the wind power current transformer are collected and processed through a dual-core processor, the collected data are interacted through an auxiliary control ARM unit and the virtual oscilloscope unit of an upper computer, and the shortcoming of the poor human-computer interaction ability of the DSP is overcome.
Description
Technical field
The present invention relates to the supervisory system in wind-powered electricity generation field, relate in particular to a kind of wind electric converter operational factor acquisition and display system of double-core controller.
Background technology
Development along with computer technology, the communication technology also progressively moves to maturity, Industrial Ethernet provides a seamless approach that is integrated into the new multimedia world, nowadays, external the Internet (Extranet) is not only applied in office field, but also is widely used in production and process automation.
In control system and industrial automation system, mainly by Ethernet application in PLC control system, in embedded control system, main application RS-232, RS-485 and usb communication agreement are carried out communication, seldom relate to Ethernet application.RS-232, RS-485 and usb communication agreement are being carried out when mass data amount communicates by letter, there will be bottleneck, ethernet communication protocol compare with RS-232, RS-485, usb protocol have data throughout large, can long-distance transmissions, the advantage such as communication data is stable.
At present, the controller that relates to data transmission in wind electric converter adopts monokaryon device more, and monokaryon control system control mode is simple, and communication interface technique is single, cannot meet the demand for control of complicated algorithm, is also difficult for realizing man-machine two-way interactive.
Wind electric converter belongs to a part important in electric system, the control quality of current transformer has determined that blower fan whether can normal power generation, the real-time Transmission of data and demonstration have been played a crucial factor for analyzing current transformer running quality, therefore designing one can meet complicated algorithm demand for control, and the acquisition and display system that realizes the current transformer operational factor of man-machine two-way interactive seems particularly important.
Wind-powered electricity generation scene adopts dsp controller that each operational factor of wind electric converter is gathered more, observing RS-232, on the basis of RS-485 and CANOPEN communication protocol, by data line, be connected with host computer, collection signal is passed to host computer, DSP mainly completes the work that operation is controlled and communicated by letter with host computer, this kind of control mode is only applicable to desktop debugging, more difficult realization while control signal being carried out to long-distance transmissions in industrial environment, simultaneously, in application RS-232 and RS-485 protocol communication process, in circuit, there is noise and not quenchable common mode interference altogether.
RS-232 and RS-485 communication protocol are only applicable to the transmission of short distance industry signal, CANOPEN belongs to short-distance and medium-distance communication protocol, for computer system, in computer interface, do not have the CAN interface of standard, if realizing communication connects, need in the middle of communication line, add a modular converter to carry out protocol conversion, can realize long-distance transmissions, but have risk and labile factor.
Summary of the invention
For addressing the above problem, the invention provides a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM, native system is applied in ethernet communication technology in the supervision of wind electric converter parameter and control system, avoided using serial port communication technology to affect the problem of the stability of data transmission in severe industrial environment, simultaneously, the present invention uses dual core processor to carry out data acquisition and processing to the on-site parameters of current transformer, image data is undertaken alternately by auxiliary control ARM unit and host computer virtual oscilloscope unit, overcome the shortcoming of DSP interactive capability deficiency.
The present invention adopts following technical scheme:
A wind electric converter operational factor acquisition and display system based on DSP and ARM, comprises data acquisition unit, data interaction unit, Ethernet interface unit, virtual oscilloscope unit and power supply unit;
Described data acquisition unit is for mains voltage signal, current on line side signal, pusher side current signal and the stator voltage signal of collection site reflection current transformer operational factor, and collection signal is inputed to a secondary modulate circuit, one time modulate circuit receives input signal, input signal is carried out to filtering and amplification, then send into data interaction unit;
Described data interaction unit, comprises DSP main processor unit, dual port RAM unit, data interaction center, the auxiliary ARM unit of controlling; DSP main processor unit is for receiving the processing signals of a modulate circuit transmission, receive signal calculation process in DSP main processor unit, DSP main processor unit is put into bus by interaction data, data to dual port RAM unit, data interaction center, realize DSP main processor unit and data interaction center dual port RAM unit information is mutual by bus transfer; Dual port RAM unit, data interaction center is used for receiving data, data are put in bus, data are controlled ARM unit by bus transfer to assisting, by dual port RAM unit, data interaction center, realize DSP Main Processor Unit and the auxiliary ARM of control cell data transmitted in both directions, the auxiliary ARM unit of controlling is by RMII interface access network based on ethernet interface unit, and application Ethernet interface unit and virtual oscilloscope display unit carry out communication;
Described virtual oscilloscope has the function of real time data triggering, current transformer failure logging, fault waveform preservation, failure logging playback, can increase by number of channels is set the variable quantity of virtual oscilloscope observation;
Described power supply unit provides voltage for native system.
During on-site data gathering, noise can affect the degree of accuracy of analog acquisition, causes the maloperation of capture module, and causing cannot Measurement accuracy signal frequency phase place, and native system adopts following interference protection measure to reduce the impact of noise on system:
1, the ground wire of DSP and high power device adopts independent grounding, to reduce phase mutual interference.The I/O mouth of DSP, power lead, the key elements such as circuit board connecting line are used anti-interference element, as magnetic bead, magnet ring, loop decoupling and power-supply filter.
2, a bit altogether: system in analog with digitally wiring respectively, altogether on one point by magnetic bead finally.
3, common mode inductance: add common mode inductance at control system power input, the ripple of filtering common mode, improves power supply stability.Meanwhile, this circuit also has certain filter action to differential mode noise.
4, shielding processing: in order further to reduce noise, guarantee that signal transmission is interference-free, the signal wire between control circuit and power circuit all adopts shielding line.
5, software filtering: the analog quantity gathering for ADC, DSP has carried out software filtering to it, to avoid misoperation.
Beneficial effect of the present invention is:
Native system is applied in ethernet communication technology in the supervision of wind electric converter parameter and control system, avoided using serial port communication technology to affect the problem of the stability of data transmission in severe industrial environment, technique for applying Ethernet transmission data, the reliability of data transmission is high, the data volume that can transmit is large, has ensured transmission real-time, stability and the anti-interference of field data;
In Industry Control, DSP can carry out s operation control to a large amount of data.Yet DSP but has deficiency aspect man-machine interaction, in DSP, only has less communication interface, these interfaces can not meet the transmission application of mass data, the present invention uses dual core processor to carry out data acquisition and processing to the on-site parameters of current transformer, image data is undertaken alternately by auxiliary control ARM unit and host computer virtual oscilloscope unit, overcome the shortcoming of DSP interactive capability deficiency, the controlled pressure while also having reduced dsp operation, has strengthened collection and the storage capacity of DSP data; Applicable industry Ethernet carries out data transmission, and transmitted data amount is large, and transmitting procedure is reliable, stable;
Host computer of the present invention is used virtual oscilloscope unit, and image data is shown in real time, is convenient to staff wind electric converter parameters is grasped, and by data analysis, can find early the mechanical disorder that wind electric converter may exist, and eliminates early;
The present invention can, by upper computer software directly to controller sending controling instruction, be easy to the control to on-site parameters.
Accompanying drawing explanation
Fig. 1 is the structural drawing of native system
Fig. 2 is DSP power circuit (numerical portion)
Fig. 3 is common mode filtering circuit
Fig. 4 is DM9191RMII interface
Fig. 5 is virtual oscilloscope interface
Specific embodiments
By accompanying drawing and specific embodiment, the present invention is further described.
A wind electric converter operational factor acquisition and display system based on DSP and ARM, comprises data acquisition unit 10, data interaction unit 20, Ethernet interface unit 30, virtual oscilloscope unit 40 and power supply unit 50;
Described data acquisition unit 10 is for mains voltage signal, current on line side signal, pusher side current signal and the stator voltage signal of collection site reflection current transformer operational factor, and collection signal is inputed to a secondary modulate circuit, one time modulate circuit receives input signal, input signal is carried out to filtering and amplification, then send into data interaction unit 20;
Described data interaction unit 20, comprises DSP main processor unit 201, dual port RAM unit, data interaction center 202, the auxiliary ARM unit 203 of controlling; DSP main processor unit 201 is for receiving the processing signals of a modulate circuit transmission, receive signal calculation process in DSP main processor unit 201, DSP main processor unit 201 is put into bus by interaction data, data to dual port RAM unit, data interaction center 202, realize DSP main processor unit 201 and dual port RAM unit, data interaction center 202 information interactions by bus transfer; Dual port RAM unit, data interaction center 202 is for receiving data, data are put in bus, data are controlled ARM unit 203 by bus transfer to assisting, by dual port RAM unit, data interaction center 202, realizing DSP Main Processor Unit transmits with auxiliary ARM unit 203 data double-ways of controlling, the auxiliary ARM unit 203 of controlling is by RMII interface access network based on ethernet interface unit 30, and application Ethernet interface unit 30 carries out communication with virtual oscilloscope display unit;
Described virtual oscilloscope has the function of real time data triggering, current transformer failure logging, fault waveform preservation, failure logging playback, can increase by number of channels is set the variable quantity of virtual oscilloscope observation;
It is system supply voltage that described power supply unit 50 adopts DC5V/2A power supply adaptor, the maximum input of power supply unit 50, output power are 10W, power supply unit 50 adopts 3.3V, 1.8V Double-number power supply chip, power management chip in DSP adopts TPS767D301 chip, automatically completing electric sequence controls, while powering on, be first the 3.3V voltage of data acquisition unit 10, data interaction unit 20,30 supplies of Ethernet interface unit, and then supply 1.8V or 1.9V voltage; During power down, before l.5V VDD is reduced to, the reset pin of processor inserts the low level of minimum 8us.
During on-site data gathering, noise can affect the degree of accuracy of analog acquisition, causes the maloperation of capture module, and causing cannot Measurement accuracy signal frequency phase place, and native system adopts following interference protection measure to reduce the impact of noise on system:
1, the ground wire of DSP and high power device adopts independent grounding, to reduce phase mutual interference.The I/O mouth of DSP, power lead, the key elements such as circuit board connecting line are used anti-interference element, as magnetic bead, magnet ring, loop decoupling and power-supply filter.
2, a bit altogether: system in analog with digitally wiring respectively, altogether on one point by magnetic bead finally.
3, common mode inductance: add common mode inductance at control system power input, the ripple of filtering common mode, improves power supply stability.Meanwhile, this circuit also has certain filter action to differential mode noise.
4, shielding processing: in order further to reduce noise, guarantee that signal transmission is interference-free, the signal wire between control circuit and power circuit all adopts shielding line.
5, software filtering: the analog quantity gathering for ADC, DSP has carried out software filtering to it, to avoid misoperation.
Native system is by DSP main processor unit 201, dual port RAM unit, data interaction center 202, the auxiliary ARM unit 203 of controlling, Ethernet interface unit 30 integrates, the real time execution parameter of current transformer and state of a control gather via DSP main processor unit 201, collection signal transfers to dual port RAM unit, data interaction center 202 and the auxiliary ARM unit 203 of controlling, by host computer, by standard ethernet protocol stack and the auxiliary ARM unit 203 of controlling, carry out data communication, virtual oscilloscope interface application C++ carries out interface programming, host computer interface shows image data in real time, realize current transformer failure logging, fault waveform hold function.
Claims (6)
1. the wind electric converter operational factor acquisition and display system based on DSP and ARM, is characterized in that: comprise data acquisition unit (10), data interaction unit (20), Ethernet interface unit (30), virtual oscilloscope unit (40) and power supply unit;
Described data acquisition unit (10) is for mains voltage signal, current on line side signal, pusher side current signal and the stator voltage signal of collection site reflection current transformer operational factor, and collection signal is inputed to a secondary modulate circuit, one time modulate circuit receives input signal, input signal is carried out to filtering and amplification, then send into data interaction unit (20);
Described data interaction unit (20), comprises DSP main processor unit (201), dual port RAM unit, data interaction center (202), the auxiliary ARM unit (203) of controlling; DSP main processor unit (201) is for receiving the processing signals of a modulate circuit transmission, receive signal calculation process in DSP main processor unit (201), DSP main processor unit (201) is put into bus by interaction data, data to dual port RAM unit, data interaction center (202), realize DSP main processor unit (201) and dual port RAM unit, data interaction center (202) information interaction by bus transfer; Dual port RAM unit, data interaction center (202) is for receiving data, data are put in bus, data are controlled ARM unit (203) by bus transfer to assisting, by dual port RAM unit, data interaction center (202), realizing DSP Main Processor Unit transmits with auxiliary ARM unit (203) data double-way of controlling, the auxiliary ARM unit (203) of controlling is by RMII interface access network based on ethernet interface unit (30), and application Ethernet interface unit (30) carries out communication with virtual oscilloscope display unit;
Described virtual oscilloscope has the function of real time data triggering, current transformer failure logging, fault waveform preservation, failure logging playback, can increase by number of channels is set the variable quantity of virtual oscilloscope observation;
Described power supply unit (50) provides voltage for native system.
2. a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM as claimed in claim 1, it is characterized in that: the ground wire of DSP and high power device adopts independent grounding, and magnetic bead, magnet ring, loop decoupling and power-supply filter use anti-interference element.
3. a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM as claimed in claim 1, is characterized in that: system in analog with digitally wiring respectively, altogether on one point by magnetic bead finally.
4. a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM as claimed in claim 1, is characterized in that: at control system power input, add common mode inductance, the ripple of filtering common mode.
5. a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM as claimed in claim 1, is characterized in that: the signal wire between control circuit and power circuit all adopts shielding line.
6. a kind of wind electric converter operational factor acquisition and display system based on DSP and ARM as claimed in claim 1, is characterized in that: the analog quantity gathering for ADC, DSP has carried out software filtering to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604327.5A CN103604983A (en) | 2013-11-23 | 2013-11-23 | System for controlling operation parameters of wind power current transformer based on DSP and ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604327.5A CN103604983A (en) | 2013-11-23 | 2013-11-23 | System for controlling operation parameters of wind power current transformer based on DSP and ARM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103604983A true CN103604983A (en) | 2014-02-26 |
Family
ID=50123224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310604327.5A Pending CN103604983A (en) | 2013-11-23 | 2013-11-23 | System for controlling operation parameters of wind power current transformer based on DSP and ARM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103604983A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762411A (en) * | 2016-12-24 | 2017-05-31 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the change oar servo-driver containing integrating PLC function |
| CN108258799A (en) * | 2018-03-26 | 2018-07-06 | 广东电网有限责任公司 | A kind of control system based on high speed silicon carbide static switch |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187811A (en) * | 2007-11-26 | 2008-05-28 | 天津理工大学 | Generator excitation controller communication system based on DSP and its working method |
| CN101630151A (en) * | 2009-08-14 | 2010-01-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Dual-CPU based circuit breaker intelligent controller |
| CN201527448U (en) * | 2009-10-23 | 2010-07-14 | 珠海泰坦自动化技术有限公司 | Embedded power quality monitoring system |
| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
| CN102510092A (en) * | 2011-12-19 | 2012-06-20 | 国网电力科学研究院 | Distributed real-time control unit of wind power converter |
| CN102539900A (en) * | 2012-01-05 | 2012-07-04 | 广东明阳龙源电力电子有限公司 | Hybrid detecting device for alternating-current voltage and direct-current voltage of wind power converter |
| CN102891534A (en) * | 2012-09-21 | 2013-01-23 | 上海交通大学 | Converter monitoring system based on digital signal processor (DSP), advanced reduced instruction set computer (RISC) machine (ARM) and Ethernet communication |
-
2013
- 2013-11-23 CN CN201310604327.5A patent/CN103604983A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187811A (en) * | 2007-11-26 | 2008-05-28 | 天津理工大学 | Generator excitation controller communication system based on DSP and its working method |
| CN101630151A (en) * | 2009-08-14 | 2010-01-20 | 国网电力科学研究院武汉南瑞有限责任公司 | Dual-CPU based circuit breaker intelligent controller |
| CN201527448U (en) * | 2009-10-23 | 2010-07-14 | 珠海泰坦自动化技术有限公司 | Embedded power quality monitoring system |
| CN102222981A (en) * | 2011-06-17 | 2011-10-19 | 大连尚能科技发展有限公司 | Wind power converter monitoring system and wind power generation system |
| CN102510092A (en) * | 2011-12-19 | 2012-06-20 | 国网电力科学研究院 | Distributed real-time control unit of wind power converter |
| CN102539900A (en) * | 2012-01-05 | 2012-07-04 | 广东明阳龙源电力电子有限公司 | Hybrid detecting device for alternating-current voltage and direct-current voltage of wind power converter |
| CN102891534A (en) * | 2012-09-21 | 2013-01-23 | 上海交通大学 | Converter monitoring system based on digital signal processor (DSP), advanced reduced instruction set computer (RISC) machine (ARM) and Ethernet communication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762411A (en) * | 2016-12-24 | 2017-05-31 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the change oar servo-driver containing integrating PLC function |
| CN106762411B (en) * | 2016-12-24 | 2019-03-08 | 大连尚能科技发展有限公司 | A kind of low pressure pitch-controlled system of the variable pitch servo-driver containing integrating PLC function |
| CN108258799A (en) * | 2018-03-26 | 2018-07-06 | 广东电网有限责任公司 | A kind of control system based on high speed silicon carbide static switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201540330U (en) | Digital multifunctional network electrical measuring instrument | |
| CN101956578B (en) | Vibration data collection and fault analysis system of networking portable type steam turbine set | |
| CN202906491U (en) | Three-level inverter control system based on DSP and FPGA | |
| CN201312143Y (en) | Measuring and control terminal of signal power supply | |
| CN101499647A (en) | Dual core controlled three-phase reversible converter failure diagnosis system and working method thereof | |
| CN103604983A (en) | System for controlling operation parameters of wind power current transformer based on DSP and ARM | |
| CN206370154U (en) | Power information gathers inquiry system | |
| CN213515757U (en) | Switch conversion equipment on-line monitoring system | |
| CN103675440A (en) | Power efficiency monitoring terminal and monitoring method thereof | |
| CN106444530A (en) | AC-AC (alternating current) frequency conversion control panel integrating with MODBUS protocol | |
| CN206948036U (en) | A kind of intelligent distribute-electricity transformer district terminal | |
| CN213399965U (en) | Infrared intelligent network acquisition terminal | |
| CN212412844U (en) | Device for realizing integration of auxiliary equipment of transformer substation | |
| CN205003537U (en) | Train communication equipment | |
| CN108052066A (en) | A kind of cascaded high-voltage frequency converter master control system of multiple processor structure | |
| CN204241561U (en) | A kind of online energy monitor end device | |
| CN102891534A (en) | Converter monitoring system based on digital signal processor (DSP), advanced reduced instruction set computer (RISC) machine (ARM) and Ethernet communication | |
| Jin et al. | Design and Simulation of Voltage Measurement System Based on ADC0809 | |
| CN203572895U (en) | Intelligent power system fault recorder | |
| CN209184314U (en) | A kind of Energy-saving for Thermal Power Units emission reduction monitoring system | |
| CN113542925A (en) | Transmission system and transmission method for transmitter signal power information | |
| CN204788459U (en) | Fan vibration monitoring system | |
| CN207622861U (en) | It is a kind of to be suitable for outdoor vibration monitoring terminal | |
| CN202587043U (en) | Water-electricity-gas meter comprehensive collecting and controlling device | |
| CN201846136U (en) | On-line electric power quality monitoring device facing intelligent power grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140226 |