CN103607114A - Special power source of wind power converter control system - Google Patents
Special power source of wind power converter control system Download PDFInfo
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- CN103607114A CN103607114A CN201310604342.XA CN201310604342A CN103607114A CN 103607114 A CN103607114 A CN 103607114A CN 201310604342 A CN201310604342 A CN 201310604342A CN 103607114 A CN103607114 A CN 103607114A
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- diode
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- voltage stabilizing
- stabilizing didoe
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The invention discloses a special power source of a wind power converter control system. The special power source comprises a primary side buffer circuit, a pulse transformer, an output rectification filter circuit, a voltage control ring, an FA13844 main control chip, a power switch and current control inner ring, a start and holding circuit and a voltage division circuit. The primary side buffer circuit comprises a resistor R105, a resistor R106, a diode D33 and a capacitor C29. The output rectification filter circuit comprises a resistor R104, a capacitor E17 and a diode D31. The voltage control ring comprises two power supply VCCs, a resistor, a capacitor, a voltage stabilizing diode U9 and a photoelectric coupler PS13. The power switch and current control inner ring comprises a resistor, a switch pipe, a capacitor C30 and a voltage stabilizing diode Q17. The start and holding circuit comprises a diode D35, a diode E20, a resistor R115, a voltage stabilizing diode ZD13, a capacitor C31 and a resistor R122. The special power source of the wind power converter control system overcomes the defects that the power supply input range is small and disturbance resisting capability is poor.
Description
Technical field
The present invention relates to a kind of power supply, relate in particular to a kind of professional power supply of wind electric converter control system.
Background technology
Wind energy, as a kind of clean regenerative resource, has started to be utilized in a large number.Along with the expansion of wind-powered electricity generation industry production capacity, the current transformer product of wind-powered electricity generation industry also starts expansion demand, and New Energy Sources In China strategy starts to be made as emphasis greatly developing wind power generation.Along with the expansion of wind turbine pool-size, wind power equipment is more and more higher to the requirement of current transformer, and current transformer product is the important component part of wind power equipment.
In recent years, along with the fast development of Wind Power Generation Industry, the expanding day of domestic wind field, most wind electric converters are operated under wild environment, and are all unattended operation, by the long-range master-control room difference of wind field controlling run.Monitor accurately in real time the electrical energy parameters such as the generating total amount of every current transformer, the quality of generating electricity and just seem particularly important.
And power supply in wind electric converter control system can not be ignored the impact of this system, power supply in wind electric converter control system in the prior art, ubiquitous shortcoming is: (1) input power scope is little: if exchange input, need to increase transformer, if direct current input, input voltage grade is low, does not meet the grade of wind electric converter DC bus, needs the extra transformer that increases; (2) main control circuit due to wind electric converter is comprised of Modern High-Speed integrated DSP and FPGA, the power supply that needs various electric pressures and power, especially 1.8V and 3.3V power supply, if with common power on the market, can need a lot of power-switching circuits, not only increase cost, and poor anti jamming capability.
Summary of the invention
For solving the above-mentioned shortcoming of prior art existence, the invention provides a kind of professional power supply of wind electric converter control system, solved input power scope little, the shortcomings such as poor anti jamming capability.
For achieving the above object, concrete scheme of the present invention is as follows:
The professional power supply of wind electric converter control system, comprises ring, startup and holding circuit, bleeder circuit in former limit buffer circuit, pulse transformer, output rectifier and filter, voltage control loop, FA13844 main control chip, power switch and Current Control;
Described former limit buffer circuit, comprises resistance R 105, resistance R 106, diode D33, capacitor C 29; Described resistance R 105, resistance R 106, capacitor C 29 parallel connections, D33 connects with diode;
Described output rectifier and filter, comprises R104, electric capacity E17, diode D31; Described R104, electric capacity E17 series connection, D31 is in parallel with diode;
Described voltage control loop, comprising: two power supply VCC, resistance, electric capacity, voltage stabilizing didoe U9, photoelectrical coupler PS13; An end of described R123 is connected to one of them VCC, its other end is connected with one end of R124, C34 respectively, also be connected with one end of R125, the other end ground connection of R125, the other end of R124, C34 is connected with one end of R121, the other end of R121 is connected with the input of photoelectrical coupler PS13 with one end of R120 respectively, is also connected the other end ground connection of voltage stabilizing didoe U9 with one end of voltage stabilizing didoe U9; The other end of R120 is connected to another power supply VCC, and this power supply VCC is also connected with the input of photoelectrical coupler PS13 through R188, and the output of photoelectrical coupler PS13 is connected with resistance R 127 with capacitor C 32, described capacitor C 32 and resistance R 127 series connection;
In described power switch and Current Control, ring, comprising: resistance, switching tube, capacitor C 30, voltage stabilizing didoe Q17; Described voltage stabilizing didoe Q17 and paralleled power switches, one end of voltage stabilizing didoe Q17 is connected to one end of C30 through R111, and switching tube is connected to the other end of capacitor C 30 through R108 and R109, and described R109 and R111 are in parallel;
Described startup and holding circuit, comprise diode D35, diode E20, resistance R 115, voltage stabilizing didoe ZD13, capacitor C 31, resistance R 122; Described diode D35 is connected with one end of diode E20, and described diode E20 and R115, capacitor C 31, resistance R 122 are in parallel, the other end ground connection of described diode E20, and described D35 is also through voltage stabilizing didoe ZD13 and R122 ground connection;
Described bleeder circuit is to be composed in series by resistance R 129, R130, R131, R132, R133, R134;
Described former limit buffer circuit, for absorbing the due to voltage spikes being produced by leakage inductance, to protect device for power switching;
Described output rectifier and filter, for changing into stable DC the unsettled interchange of pulse transformer;
Described voltage control loop, for detecting, feed back output voltage;
Described startup and holding circuit are used for the pwm pulse of control switch pipe, thereby control output voltage.
Beneficial effect of the present invention is: the professional power supply of wind electric converter control system, reduced the quantity of power module, and reduced cost; The input of employing direct current, does not need to add control transformer, has therefore simplified power module structure; For wind electric converter provides the voltage of different brackets and the power supply of power, the power supply of especially conventional 1.8V and 3.3V; Apply this power supply antijamming capability strong, also improved the reliability of power supply.
Accompanying drawing explanation
The present invention has accompanying drawing 8 width;
Fig. 1 is the professional power supply architecture block diagram of wind electric converter control system;
Fig. 2 is former limit buffer circuit schematic diagram;
Fig. 3 is bleeder circuit schematic diagram;
Fig. 4 is for starting and holding circuit schematic diagram;
Fig. 5 is pulse transformer schematic diagram;
Fig. 6 is loop circuit schematic diagram in power switch and Current Control;
Fig. 7 is voltage control loop circuit theory diagrams;
Fig. 8 is output rectifier and filter schematic diagram.
Embodiment
Below in conjunction with the present embodiment, the present invention is further described.
The professional power supply of wind electric converter control system, comprises ring, startup and holding circuit, bleeder circuit in former limit buffer circuit, pulse transformer, output rectifier and filter, voltage control loop, FA13844 main control chip, power switch and Current Control;
Described former limit buffer circuit, comprises resistance R 105, resistance R 106, diode D33, capacitor C 29; Described resistance R 105, resistance R 106, capacitor C 29 parallel connections, D33 connects with diode;
Described output rectifier and filter, comprises R104, electric capacity E17, diode D31; Described R104, electric capacity E17 series connection, D31 is in parallel with diode;
Described voltage control loop, comprising: two power supply VCC, resistance, electric capacity, voltage stabilizing didoe U9, photoelectrical coupler PS13; An end of described R123 is connected to one of them VCC, its other end is connected with one end of R124, C34 respectively, also be connected with one end of R125, the other end ground connection of R125, the other end of R124, C34 is connected with one end of R121, the other end of R121 is connected with the input of photoelectrical coupler PS13 with one end of R120 respectively, is also connected the other end ground connection of voltage stabilizing didoe U9 with one end of voltage stabilizing didoe U9; The other end of R120 is connected to another power supply VCC, and this power supply VCC is also connected with the input of photoelectrical coupler PS13 through R188, and the output of photoelectrical coupler PS13 is connected with resistance R 127 with capacitor C 32, described capacitor C 32 and resistance R 127 series connection;
In described power switch and Current Control, ring, comprising: resistance, switching tube, capacitor C 30, voltage stabilizing didoe Q17; Described voltage stabilizing didoe Q17 and paralleled power switches, one end of voltage stabilizing didoe Q17 is connected to one end of C30 through R111, and switching tube is connected to the other end of capacitor C 30 through R108 and R109, and described R109 and R111 are in parallel;
Described startup and holding circuit, comprise diode D35, diode E20, resistance R 115, voltage stabilizing didoe ZD13, capacitor C 31, resistance R 122; Described diode D35 is connected with one end of diode E20, and described diode E20 and R115, capacitor C 31, resistance R 122 are in parallel, the other end ground connection of described diode E20, and described D35 is also through voltage stabilizing didoe ZD13 and R122 ground connection;
Described bleeder circuit is to be composed in series by resistance R 129, R130, R131, R132, R133, R134;
Described former limit buffer circuit, for absorbing the due to voltage spikes being produced by leakage inductance, to protect device for power switching;
Described output rectifier and filter, for changing into stable DC the unsettled interchange of pulse transformer;
Described voltage control loop, for detecting, feed back output voltage;
Described startup and holding circuit are used for the pwm pulse of control switch pipe, thereby control output voltage.
Workflow of the present invention is:
Direct voltage Vint provides starting resistor through divider resistance to FA13844 main control chip; Start and holding circuit, to diode, E20 charges, when diode E20 both end voltage reaches the 16V starting resistor of FAl3844 main control chip, 6 pin of FAl3844 main control chip have the output of the signal of driving, and after start-up course completes, the voltage after D35 rectifying and wave-filtering offers FAl3844 main control chip, simultaneously, this voltage also, as the feedback signal of voltage control loop, compares with the inner 2.5V reference voltage producing of FAl3844 main control chip, to adjust the driving pulse width of output.
Claims (1)
1. the professional power supply of wind electric converter control system, is characterized in that comprising ring, startup and holding circuit, bleeder circuit in former limit buffer circuit, pulse transformer, output rectifier and filter, voltage control loop, FA13844 main control chip, power switch and Current Control;
Described former limit buffer circuit, comprises resistance R 105, resistance R 106, diode D33, capacitor C 29; Described resistance R 105, resistance R 106, capacitor C 29 parallel connections, D33 connects with diode;
Described output rectifier and filter, comprises R104, electric capacity E17, diode D31; Described R104, electric capacity E17 series connection, D31 is in parallel with diode;
Described voltage control loop, comprising: two power supply VCC, resistance, electric capacity, voltage stabilizing didoe U9, photoelectrical coupler PS13; An end of described R123 is connected to one of them VCC, its other end is connected with one end of R124, C34 respectively, also be connected with one end of R125, the other end ground connection of R125, the other end of R124, C34 is connected with one end of R121, the other end of R121 is connected with the input of photoelectrical coupler PS13 with one end of R120 respectively, is also connected the other end ground connection of voltage stabilizing didoe U9 with one end of voltage stabilizing didoe U9; The other end of R120 is connected to another power supply VCC, and this power supply VCC is also connected with the input of photoelectrical coupler PS13 through R188, and the output of photoelectrical coupler PS13 is connected with resistance R 127 with capacitor C 32, described capacitor C 32 and resistance R 127 series connection;
In described power switch and Current Control, ring, comprising: resistance, switching tube, capacitor C 30, voltage stabilizing didoe Q17; Described voltage stabilizing didoe Q17 and paralleled power switches, one end of voltage stabilizing didoe Q17 is connected to one end of C30 through R111, and switching tube is connected to the other end of capacitor C 30 through R108 and R109, and described R109 and R111 are in parallel;
Described startup and holding circuit, comprise diode D35, diode E20, resistance R 115, voltage stabilizing didoe ZD13, capacitor C 31, resistance R 122; Described diode D35 is connected with one end of diode E20, and described diode E20 and R115, capacitor C 31, resistance R 122 are in parallel, the other end ground connection of described diode E20, and described D35 is also through voltage stabilizing didoe ZD13 and R122 ground connection;
Described bleeder circuit is to be composed in series by resistance R 129, R130, R131, R132, R133, R134.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604342.XA CN103607114A (en) | 2013-11-23 | 2013-11-23 | Special power source of wind power converter control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604342.XA CN103607114A (en) | 2013-11-23 | 2013-11-23 | Special power source of wind power converter control system |
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| Publication Number | Publication Date |
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| CN103607114A true CN103607114A (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310604342.XA Pending CN103607114A (en) | 2013-11-23 | 2013-11-23 | Special power source of wind power converter control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634653A (en) * | 2017-11-17 | 2018-01-26 | 山东船舶技术研究院 | Width input high pressure communication power supply |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192798A (en) * | 2006-12-01 | 2008-06-04 | 美国凹凸微系有限公司 | Flyback DC-DC converter |
| CN101272098A (en) * | 2008-04-08 | 2008-09-24 | 广州金升阳科技有限公司 | Twin-triode current control type self-oscillation flyback converter |
| CN201854187U (en) * | 2010-10-19 | 2011-06-01 | 佛山市顺德区瑞德电子实业有限公司 | Voltage-stabilizing loop of isolation flyback switch power supply |
| CN102651615A (en) * | 2011-02-23 | 2012-08-29 | 全汉企业股份有限公司 | Power converter and control method thereof |
-
2013
- 2013-11-23 CN CN201310604342.XA patent/CN103607114A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192798A (en) * | 2006-12-01 | 2008-06-04 | 美国凹凸微系有限公司 | Flyback DC-DC converter |
| CN101272098A (en) * | 2008-04-08 | 2008-09-24 | 广州金升阳科技有限公司 | Twin-triode current control type self-oscillation flyback converter |
| CN201854187U (en) * | 2010-10-19 | 2011-06-01 | 佛山市顺德区瑞德电子实业有限公司 | Voltage-stabilizing loop of isolation flyback switch power supply |
| CN102651615A (en) * | 2011-02-23 | 2012-08-29 | 全汉企业股份有限公司 | Power converter and control method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 曲泰元等: "基于FA13844的单端反激式开关电源设计", 《通信电源技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634653A (en) * | 2017-11-17 | 2018-01-26 | 山东船舶技术研究院 | Width input high pressure communication power supply |
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Application publication date: 20140226 |