CN102013727A - Built-in uninterrupted power supply of wind power generation paddle changing system - Google Patents
Built-in uninterrupted power supply of wind power generation paddle changing system Download PDFInfo
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- CN102013727A CN102013727A CN2010105817006A CN201010581700A CN102013727A CN 102013727 A CN102013727 A CN 102013727A CN 2010105817006 A CN2010105817006 A CN 2010105817006A CN 201010581700 A CN201010581700 A CN 201010581700A CN 102013727 A CN102013727 A CN 102013727A
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- power supply
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- changing system
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a built-in uninterrupted power supply of a wind power generation paddle changing system, comprising a first switch power supply electrically connected with a mains supply, and further comprising a built-in DC battery pack of the wind power generation paddle changing system and a second switch power supply connected with the DC battery pack, output ends of the first switch power supply and the second switch power supply are respectively connected with two input ends of a comparator, and output voltage of the first switch power supply in power-up state is always more than that of the second switch power supply. The built-in uninterrupted power supply of a wind power generation paddle changing system mainly has the following benefits: the standby battery pack of the wind power generation paddle changing system is used as the uninterrupted power supply, uninterrupted power supplying of the wind power generation paddle changing system is ensured, and circuits are simple and effective.
Description
Technical field
The present invention relates to a kind of built-in uninterrupted power supply of wind-power generating variable oar system that is used for, belong to technical field of wind power generation.
Background technology
Wind power generation is subjected to the extensive attention of various countries as the renewable and clean energy resource of present technology maturation.Variable blade control system is a building block important in the wind generator system, and to be control blade pitch angle automatically adjust with the size of wind speed its major function: when low wind speed, allow wind-driven generator have maximum starting torque; When wind speed is too high, change the angle of attack of air-flow, and then change wind-driven generator acquisition aerodynamic torque, make output of a generator keep stable blade.
In the wind-power generating variable oar system, required control loop power supply is generally provided by UPS by master control system.As shown in Figure 1; master control system connects No. 1 input of control loop power supply by the L1 terminal of UPS; be connected to the L end of Switching Power Supply through overvoltage protector; same; No. 2 inputs that connect the control loop power supply by the UPSN terminal; the process overvoltage protector is connected to the N terminal of Switching Power Supply, and the output of Switching Power Supply is then exported 24VDC to pitch-controlled system.
The control power supply that master control system offers pitch-controlled system is directly to supply with by civil power, when civil power has a power failure suddenly, will cause adverse consequences to pitch-controlled system so, thereby influence the normal operation of whole wind force generating system.
Summary of the invention
The object of the present invention is to provide a kind of safe and reliable Drive and Control Circuit that is applicable to series DC machine for pitch control system.
Purpose of the present invention is achieved through the following technical solutions:
The built-in uninterrupted power supply of a kind of wind-power generating variable oar system, comprise first Switching Power Supply that is electrically connected with the city, the dc-battery group and the second switch power supply that is connected with described dc-battery group that also comprise built-in wind-power generating variable oar system, the output of first Switching Power Supply and second switch power supply is connected to two inputs of comparator respectively, and the output voltage of first Switching Power Supply when "on" position is always greater than the output voltage of second switch power supply.
Further, described comparator comprises two diode connected in parallel.
Further, the output voltage of described first Switching Power Supply is set at 25VDC, and the output voltage of second switch power supply is set at 24VDC.
Beneficial effect of the present invention is mainly reflected in: use the uninterrupted power supply of the reserve dc-battery group of wind-power generating variable oar system as the wind-power generating variable oar system, guarantee the uninterrupted power supply of wind-power generating variable oar system, circuit is simply effective.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1 is the power management theory diagram of existing wind-power generating variable oar system.
Fig. 2 is the power management block diagram of wind-power generating variable oar system of the present invention.
Embodiment
See also Fig. 2, the ups power of a kind of pitch-controlled system provided by the invention changes by inside to be provided, and the required 24VDC of pitch-controlled system controls power supply by double switch power supply T1, and T2 provides, and the input power supply 230VAC of T1 is given by master control system.The input power supply 216VDC of T2 is given by the dc-battery group of the inner reserve of pitch-controlled system.The anodal comparator T3 that inserts of both out-put supplies compares, and gets its high person's output, and as the control power supply of pitch-controlled system, comparator T3 of the present invention is the diode group.Native system requirement T1 output voltage must be greater than the T2 output voltage.In case during from the 230VAC power supply power-fail of master control system, switch to the control power supply of system by the T2 free of discontinuities from the 216VDC DC power supply of pitch-controlled system internal battery.Among Fig. 2, the T1 output voltage is set at 25VDC, and the T2 output voltage is set at 24VDC.
Concrete circuit connecting relation is, T1 output voltage anode is input to 1 end of diode group T3, T2 output voltage anode is input to 2 ends of diode group T3, because the output negative terminal of T1 first Switching Power Supply and T2 second switch power supply is ground connection (promptly altogether) all, so the output plus terminal voltage of T1 first Switching Power Supply and T2 second switch power supply height can be made comparisons, we require the T1 output voltage must be greater than the T2 output voltage, the output voltage of T1 just arrives 3 and 4 ends of diode group T3 like this, as the output of control voltage.And the output voltage of T2 is in wait state with regard to being trapped in the T3 input like this owing to 3 and 4 terminal voltages less than T3.According to the single-phase conduction of diode, when the T2 output voltage was 0, the output voltage of T1 also can not be through 3 ends of T3 and the output that 4 ends are input to T2.In like manner, when the T1 output voltage was 0, the output voltage of T2 also can not be through 3 ends of T3 and the output that 4 ends are input to T1.But the output voltage of T2 arrives 3 and 4 ends of diode group T3 at this moment, as the output of control voltage.When this kind switching was indifference, T2 was that UPS effect in support exists, and the input power supply of T2 is provided by the pitch-controlled system internal battery, so be called built-in UPS.
The present invention still has multiple concrete execution mode.All employings are equal to replacement or equivalent transformation and all technical schemes of forming, all drop within the scope of protection of present invention.
Claims (3)
1. built-in uninterrupted power supply of wind-power generating variable oar system, comprise first Switching Power Supply (T1) that is electrically connected with the city, it is characterized in that: the dc-battery group and the second switch power supply (T2) that is connected with described dc-battery group that also comprise built-in wind-power generating variable oar system, the output of first Switching Power Supply (T1) and second switch power supply (T2) is connected to two inputs of a comparator (T3) respectively, and the output voltage of first Switching Power Supply (T1) when "on" position is always greater than the output voltage of second switch power supply (T2).
2. the built-in uninterrupted power supply of wind-power generating variable oar system according to claim 1 is characterized in that: described comparator (T3) comprises two diode connected in parallel.
3. the built-in uninterrupted power supply of wind-power generating variable oar system according to claim 1 is characterized in that: the output voltage of described first Switching Power Supply (T1) is set at 25VDC, and the output voltage of second switch power supply (T2) is set at 24VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105817006A CN102013727A (en) | 2010-12-10 | 2010-12-10 | Built-in uninterrupted power supply of wind power generation paddle changing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105817006A CN102013727A (en) | 2010-12-10 | 2010-12-10 | Built-in uninterrupted power supply of wind power generation paddle changing system |
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| CN102013727A true CN102013727A (en) | 2011-04-13 |
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| CN2010105817006A Pending CN102013727A (en) | 2010-12-10 | 2010-12-10 | Built-in uninterrupted power supply of wind power generation paddle changing system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522807A (en) * | 2011-12-09 | 2012-06-27 | 东方电气集团东方汽轮机有限公司 | Control power supply of pitch system of wind driven generator |
| CN103066681A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Redundant power source of main control board of alternating current drive |
| CN103066828A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Work power source of alternating current driver main control panel |
| CN103066845A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Anti-interference power source of alternating current driver main control panel |
| CN103066685A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver |
| CN103835964A (en) * | 2012-11-27 | 2014-06-04 | 苏州风行电气有限公司 | Cooling blower system of direct current series excited machine |
| CN104682366A (en) * | 2015-02-16 | 2015-06-03 | 中节能风力发电(张北）运维有限公司 | Protecting method of master controller of air blower |
| CN107370238A (en) * | 2017-06-23 | 2017-11-21 | 沈阳华创风能有限公司 | A kind of power supply and wind-power electricity generation built-in redundancy power supply pitch-controlled system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2772686B2 (en) * | 1989-10-04 | 1998-07-02 | 富士通株式会社 | Power supply method |
| CN101771291A (en) * | 2009-01-07 | 2010-07-07 | 四零四科技股份有限公司 | Low-voltage double-power supply loop device and control method thereof |
| CN201928078U (en) * | 2010-12-10 | 2011-08-10 | 苏州能健电气有限公司 | Uninterruptible power supply in wind power generation pitch control system |
-
2010
- 2010-12-10 CN CN2010105817006A patent/CN102013727A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2772686B2 (en) * | 1989-10-04 | 1998-07-02 | 富士通株式会社 | Power supply method |
| CN101771291A (en) * | 2009-01-07 | 2010-07-07 | 四零四科技股份有限公司 | Low-voltage double-power supply loop device and control method thereof |
| CN201928078U (en) * | 2010-12-10 | 2011-08-10 | 苏州能健电气有限公司 | Uninterruptible power supply in wind power generation pitch control system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066681A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Redundant power source of main control board of alternating current drive |
| CN103066828A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Work power source of alternating current driver main control panel |
| CN103066845A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Anti-interference power source of alternating current driver main control panel |
| CN103066685A (en) * | 2011-10-20 | 2013-04-24 | 苏州能健电气有限公司 | Alternating current driver |
| CN102522807A (en) * | 2011-12-09 | 2012-06-27 | 东方电气集团东方汽轮机有限公司 | Control power supply of pitch system of wind driven generator |
| CN103835964A (en) * | 2012-11-27 | 2014-06-04 | 苏州风行电气有限公司 | Cooling blower system of direct current series excited machine |
| CN104682366A (en) * | 2015-02-16 | 2015-06-03 | 中节能风力发电(张北）运维有限公司 | Protecting method of master controller of air blower |
| CN107370238A (en) * | 2017-06-23 | 2017-11-21 | 沈阳华创风能有限公司 | A kind of power supply and wind-power electricity generation built-in redundancy power supply pitch-controlled system |
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Application publication date: 20110413 |