CN202165214U - Servo driving control system for changing paddles of wind driven generator unit - Google Patents
Servo driving control system for changing paddles of wind driven generator unit Download PDFInfo
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- CN202165214U CN202165214U CN2011202120847U CN201120212084U CN202165214U CN 202165214 U CN202165214 U CN 202165214U CN 2011202120847 U CN2011202120847 U CN 2011202120847U CN 201120212084 U CN201120212084 U CN 201120212084U CN 202165214 U CN202165214 U CN 202165214U
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- generating set
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a servo driving control system for changing paddles of a wind driven generator unit, which is mutually connected with a master control system and is used for controlling a motor for changing paddles of the wind driven generator unit. The servo driving control system for changing paddles of the wind driven generator unit comprises a complex programmable logic device (CPLD), a current signal collecting module, a resolver decoding circuit, an analog to digital converter (ADC), a processor (DSP Digital Signal Processor), a drive circuit module, a rotary transformer and an intelligent power module (IPM). The servo driving control system for changing paddles of the wind driven generator unit can realize real-time paddle changing according to the wind condition information collected by the master control system of the wind driven generator unit, so that the paddles of the wind driven generator unit always keep the best power output state.
Description
Technical field
The utility model relates to wind-power electricity generation control technique field, relates in particular to a kind of wind generating set pitch control and uses the servo-drive control system.
Background technique
Wind power generating set servo-drive control system for variable pitch major function is the blade according to real-time wind regime information adjustment wind power generating set in the wind-power electricity generation control technique field, blade is remained at can obtain the angle, position of ceiling capacity output etc.
Yet because the real-time variability of wind regime and the influence of aerodynamic effect, variable-pitch control system has become the uncertain system of multivariable nonlinearity.Existing variable-pitch control system is mainly controlled through PID and is realized controlling purpose.This method at first often need be set up effective system mathematic model; And the complexity of aerodynamic uncertainty and system; Make set up one accurately system model very the difficulty; Based on this defective and the accurate demand of product of existing technology, need a kind of wind generating set pitch control of exploitation to use the servo-drive control system according to wind regime information real-time adjusting blade.
The model utility content
The purpose of the utility model is the defective that exists to the above-mentioned background technology, provides a kind of wind generating set pitch control that becomes oar in real time of realizing to use the servo-drive control system.
For realizing above-mentioned purpose, the wind generating set pitch control that the utility model provides interconnects with servo-drive control system and master control system, is used to control the motor for variable pitch of wind power generating set.Wind generating set pitch control comprises that with the servo-drive control system complex programmable logic device (CPLD), a current signal acquisition module, revolve change demoding circuit, an analog-digital converter ADC, a processor DSP, driving circuit module, a rotary transformer and a SPM IPM; Wherein, The current signal acquisition module is used to gather the current signal of input motor for variable pitch; Rotary transformer is used to accept to revolve the excitation pulse that the change demoding circuit is sent here; And this rotary transformer can be given according to the modulation signal that has position information of excitation pulse induction output two-way quadrature and revolve the change demoding circuit; Analog-digital converter ADC is used for the current signal that the switching current signal acquisition module is sent here; Data after the conversion are via the complex programmable logic device (CPLD) buffer memory; Processor DSP obtains this data through the decoding circuit in the complex programmable logic device (CPLD); Revolve become demoding circuit be used to decode the two-way quadrature that rotary transformer sees off signal and convert corresponding rate signal and position signal to; But processor DSP can control analog-digital converter ADC and revolve the work that becomes demoding circuit, the data of obtaining them, the also work of direct controlling and driving circuit module through complex programmable logic device (CPLD); Drive circuit module is used to receive, handle adjustment control command that from processor DSP sees off and converts said adjustment control command to drive signal, and SPM IPM accepts drive signal that drive circuit module sends into and adjusts the voltage at motor for variable pitch two ends according to this drive signal.
In sum; The wind regime information that the utility model wind generating set pitch control can collect according to the master control system of wind power generating set with the servo-drive control system realizes becoming in real time oar, makes the blade of wind power generating set remain at best power output state.
Description of drawings
Fig. 1 is the structural representation of the utility model wind generating set pitch control with the servo-drive control system.
Fig. 2 for the utility model wind generating set pitch control with servo-drive control system working principle schematic representation.
Embodiment
By the technology contents, the structure characteristics that specify the utility model, reached purpose and effect, below give an example now embodiment and conjunction with figs. know clearly and give explanation.
See also Fig. 1, the utility model wind generating set pitch control comprises with servo-drive control system 100 that a complex programmable logic device (CPLD) 10, revolves and becomes demoding circuit 20, an analog-digital converter ADC30, a processor DSP40, driving circuit module 50, a SPM IPM60, a rotary transformer 70 and a signal adjustment circuit module 80, a current signal acquisition module 90.
Current signal acquisition module 90 is erected on the circuit of motor 200 input currents for variable pitch, is used to gather the current signal of input motor 200 for variable pitch, and said current signal is an analogue signal.
Signal adjustment circuit module 80 is erected between analog-digital converter ADC30 and the current signal acquisition module 90; Be used to adjust the current signal that current signal acquisition module 90 is gathered, to improve the linearity and the precision that current signal acquisition module 90 transfers to the current signal of analog-digital converter ADC30.Concrete, the current signal that collects is accepted by analog-digital converter ADC30 after the filtering of signal adjustment circuit module 80, amplification etc. are handled.
Analog-digital converter ADC30 changes corresponding current signal according to the control command of processor DSP40 and transmits.
Rotary transformer 70 is installed on the motor 200 for variable pitch.Rotary transformer 70 is used to accept to revolve become the excitation pulse that demoding circuit 20 is sent here, and this rotary transformer 70 can become demoding circuit 20 to revolving according to the modulation signal that has position information of excitation pulse induction output two-way quadrature.Said revolve become demoding circuit 20 be used to decode the two-way quadrature that said rotary transformer 70 sees off signal and convert corresponding rate signal and position signal to, so reach the purpose of signals collecting.Saidly revolve that to become rate signal and the position signal that demoding circuit 20 sees off be digital signal.
Processor DSP40 can control analog-digital converter ADC30 and the work of revolving change demoding circuit 20 and the work of may command drive circuit module 50 through complex programmable logic device (CPLD) 10.Concrete, processor DSP40 can read analog-digital converter ADC30 and sends into current signal temporary in the complex programmable logic device (CPLD) 10; Simultaneously, processor 40 can read to revolve and becomes demoding circuit 20 and send into rate signal and position signals temporary in the complex programmable logic device (CPLD) 10.In this specific embodiment,, processor DSP40 instructs to complicacy range logic device (CPLD) 10 but seeing control corresponding off through data/address bus.
The processor DSP40 relatively rate signal of the driving motor 200 for variable pitch of master control system (not shown) output becomes the rate signal that demoding circuit 20 is sent into revolving; Obtain the error between two current signals; The current signal that desired current signal of the current-order that processor DSP relatively sees off and current signal acquisition module 90 collect is obtained and is done that corresponding analysis is handled and output adjustment control command is given drive circuit module 50 after the error of two current signals.
Analog-digital converter ADC30 is used for the current signal that the switching current signal acquisition module is sent here, and the data after the conversion are temporarily stored in the complex programmable logic device (CPLD) 10, and DSP40 reads for processor.Concrete, analog-digital converter ADC30 can be used for the current signal of sending into after handling through signal adjustment circuit module 80 is converted to digital signal and sends into complicated variable program logic device (CPLD) 10.
Please continue and consult Fig. 1, complex programmable logic device (CPLD) 10 has decoding, the temporary fault treatment function that reaches of data.Concrete, said complex programmable logic device (CPLD) 10 can be used for control command with processor DSP40 input and is decoded into analog-digital converter ADC30 and revolves to become demoding circuit 20 acceptable control signals and can control analog-digital converter ADC30 and revolve through above-mentioned control signal and become demoding circuit 20 work; Can be used for temporary revolving and become rate signal, position signal and the current signal that demoding circuit 20 and analog-digital converter ADC30 send into; Can be used for monitoring the temperature of the voltage, electric current and the SPM IPM60 that transfer to motor 200 for variable pitch, overvoltage, overcurrent, under-voltage and excess temperature are handled, to guarantee the safe operation of motor for variable pitch.
Drive circuit module 50 is used to handle adjustment control command that from processor DSP40 sees off and converts said adjustment control command to drive signal.
SPM IPM60 accepts drive signal that drive circuit module 50 sends into and adjusts the voltage at motor for variable pitch 200 two ends according to drive signal, and then reaches speed, electric current of adjusting motor 200 for variable pitch according to real-time wind regime exactly etc.
Please continue and consult Fig. 1, the utility model wind generating set pitch control with the complex programmable logic device (CPLD) 10 of servo-drive control system 100 respectively with analog-digital converter ADC30, processor DSP40 and revolve and become demoding circuit 20 and realize being electrically connected of each device blocks with the mode of parallel interface.Adopt the Placement of parallel interface can improve the speed of wind generating set pitch control effectively with servo-drive control system 100 processing data; Processor DSP load is reduced greatly; Be easy to insert complicated control algorithm, improve ability and the efficient of wind generating set pitch control on the whole with servo-drive control system 100 processing data.
See also Fig. 2, processor DSP40 is built-in with at least one speed regulator 401, a current regulator 402 and a PWM generator 403.
Please continue and consult Fig. 1 and Fig. 2, the utility model wind generating set pitch control is following with the working principle of servo-drive control system 100: the master control system (not shown) of wind power generating set (not shown) provides corresponding speed command according to the wind regime information that collects and drives motor 200 actions for variable pitch to realize the becoming oar action accordingly; Revolve and see off after the modulated analog signal that becomes the band position information that demoding circuit 20 sends into rotary transformer 70 with induction converts digital signal corresponding to; Said rate signal can transfer to said processor DSP40 by complex programmable logic device (CPLD) 10; Said processor DSP40 is the rate signal that reads of the speed command that provides of master control system and processor DSP40 and provide corresponding current-order according to the speed error signal control rate regulator 401 after the comparison relatively.This current-order and the current value that collects compare, and the current error signal control current regulator 402 of processor DSP40 after according to comparison provides the correspondent voltage instruction; PWM generator 403 is given in current regulator 402 output correspondent voltage regulating commands; Said PWM generator 403 becomes the voltage-regulation instruction transformation corresponding driving signal and gives SPM IPM80; Said SPM IPM80 receives and adjusts according to the corresponding driving signal voltage at motor for variable pitch 200 two ends; In this simultaneously; Motor for variable pitch 200 is exported corresponding power according to the voltage that is carried in its two ends, and then guarantees that the blade of wind power generating set can adjust to best power output state.
After described motor for variable pitch 200 is adjusted; Wind generating set pitch control continues to carry out function separately with each device blocks of servo-drive control system 100, monitor each item data information of motor 200 for variable pitch in real time and change accordingly, action backs such as comparison, control realize becoming in real time oar.
In sum; The wind regime information that the utility model wind generating set pitch control can collect according to the master control system of wind power generating set group with servo-drive control system 100 realizes becoming in real time oar, makes the blade of wind power generating set remain at best power output state.
Above-described technological scheme is merely the preferred embodiment of the utility model wind generating set pitch control with servo-drive control system 100, and is any within the scope of the claim that equivalent transformation that the utility model wind generating set pitch control is done on servo-drive control system 100 bases or replacement are included in this patent.
Claims (6)
1. a wind generating set pitch control is used the servo-drive control system; Interconnect with master control system; Be used to control the motor for variable pitch of wind power generating set; It is characterized in that: comprise that a complex programmable logic device (CPLD), a current signal acquisition module, revolve change demoding circuit, an analog-digital converter ADC, a processor DSP, driving circuit module, a rotary transformer and a SPM IPM; Wherein, The current signal acquisition module is used to gather the current signal of input motor for variable pitch; Rotary transformer is used to accept to revolve the excitation pulse that the change demoding circuit is sent here; And this rotary transformer can be given according to the modulation signal that has position information of excitation pulse induction output two-way quadrature and revolve the change demoding circuit; Analog-digital converter ADC is used for the current signal that the switching current signal acquisition module is sent here, and the data after the conversion are via the complex programmable logic device (CPLD) buffer memory, and processor DSP obtains this data through the decoding circuit in the complex programmable logic device (CPLD); Revolve become demoding circuit be used to decode the two-way quadrature that rotary transformer sees off signal and convert corresponding rate signal and position signal to; But processor DSP can through complex programmable logic device (CPLD) control analog-digital converter ADC and revolve the work that becomes demoding circuit, obtain relevant data, and the work of direct controlling and driving circuit module, drive circuit module is used to receive, handle adjustment control command that from processor DSP sees off and converts said adjustment control command to drive signal, SPM IPM accepts drive signal that drive circuit module sends into and adjusts the voltage at motor for variable pitch two ends according to this drive signal.
2. wind generating set pitch control according to claim 1 is used the servo-drive control system, it is characterized in that: said complex programmable logic device (CPLD) is respectively with analog-digital converter ADC, processor DSP and revolve and become demoding circuit and realize being electrically connected of each device blocks with the mode of parallel interface.
3. wind generating set pitch control according to claim 1 is used the servo-drive control system; It is characterized in that: said wind generating set pitch control also comprises a signal adjustment circuit module with the servo-drive control system; Be erected between analog-digital converter ADC and the current signal acquisition module, be used to adjust the current signal that the current signal acquisition module is gathered.
4. wind generating set pitch control according to claim 1 is used the servo-drive control system, it is characterized in that: said rotary transformer is installed on the motor for variable pitch.
5. wind generating set pitch control according to claim 1 is used the servo-drive control system, it is characterized in that: said current signal acquisition module is erected on the circuit of motor input current for variable pitch.
6. wind generating set pitch control according to claim 1 is used the servo-drive control system, it is characterized in that: said processor DSP is built-in with at least one speed regulator, a current regulator and a PWM generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120847U CN202165214U (en) | 2011-06-22 | 2011-06-22 | Servo driving control system for changing paddles of wind driven generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202120847U CN202165214U (en) | 2011-06-22 | 2011-06-22 | Servo driving control system for changing paddles of wind driven generator unit |
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| Publication Number | Publication Date |
|---|---|
| CN202165214U true CN202165214U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202120847U Expired - Lifetime CN202165214U (en) | 2011-06-22 | 2011-06-22 | Servo driving control system for changing paddles of wind driven generator unit |
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| CN (1) | CN202165214U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192084A (en) * | 2011-06-22 | 2011-09-21 | 成都阜特科技有限公司 | Servo-driven control system for changing propeller of wind generating set |
| CN104295443A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团股份有限公司 | Wind power variable-pitch control system |
| CN109787617A (en) * | 2018-12-10 | 2019-05-21 | 河北汉光重工有限责任公司 | A method of the rotation based on CPLD becomes excited signal and determines frequency locking phase |
-
2011
- 2011-06-22 CN CN2011202120847U patent/CN202165214U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192084A (en) * | 2011-06-22 | 2011-09-21 | 成都阜特科技有限公司 | Servo-driven control system for changing propeller of wind generating set |
| CN102192084B (en) * | 2011-06-22 | 2013-03-13 | 成都阜特科技股份有限公司 | Servo-driven control system for changing propeller of wind generating set |
| CN104295443A (en) * | 2013-07-16 | 2015-01-21 | 上海电气集团股份有限公司 | Wind power variable-pitch control system |
| CN109787617A (en) * | 2018-12-10 | 2019-05-21 | 河北汉光重工有限责任公司 | A method of the rotation based on CPLD becomes excited signal and determines frequency locking phase |
| CN109787617B (en) * | 2018-12-10 | 2024-04-12 | 河北汉光重工有限责任公司 | CPLD-based method for frequency-fixing phase-locking of rotary excitation signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120314 Effective date of abandoning: 20130313 |
|
| RGAV | Abandon patent right to avoid regrant |