CN101304179A - Control method, system and apparatus for wind-driven generator - Google Patents
Control method, system and apparatus for wind-driven generator Download PDFInfo
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- CN101304179A CN101304179A CNA2008101326987A CN200810132698A CN101304179A CN 101304179 A CN101304179 A CN 101304179A CN A2008101326987 A CNA2008101326987 A CN A2008101326987A CN 200810132698 A CN200810132698 A CN 200810132698A CN 101304179 A CN101304179 A CN 101304179A
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Abstract
The invention discloses a control method, a system and a device of a wind driven generator. The method is that an analog to digital conversion module obtains various control signals and outputs the control signals to a main controller after the analog to digital conversion; the main controller respectively sends the control signals to a corresponding subordinate controller; the subordinate controller controls the wind driven generator according to the corresponding control signals of the control signals. The control system comprises the analog to digital conversion module which is used for obtaining various control signal and outputs the control signals to a main controller after the analog to digital conversion, the main controller which is used for respectively sending the control signals to the corresponding subordinate controller and the subordinate controller which is used for controlling the wind driven generator according to the corresponding control signals; the subordinate controller comprises a variable propeller pitch system controller, an excitation system controller and a display system controller. The method, the system and the device of the invention can lead the control system structure of the wind driven generator to be simple, has the low cost and is beneficial to the development and the long-term maintenance.
Description
Technical field
The embodiment of the invention relates to Motor Control Field, particularly a kind of control method of wind-driven generator, system and device.
Background technology
At present, existing wind-driven generator has adopted the control that centralized control method is concentrated system.The centralized control method that adopts is: the control system of existing wind-driven generator is made up of central controller and peripheral interface plate; Described peripheral interface plate is gathered external signal (for example wind speed, rotating speed etc.) and is carried out certain processing, is transferred to central controller; Described central controller carries out centralized control according to the external signal of peripheral interface plate input to whole wind powered generator system.Promptly be that central controller need be finished data acquisition, mould/number conversion alone, become a series of activities such as slurry distance, generator excitation and demonstration output.
Though the control method that existing wind-driven generator adopts can realize the control of wind powered generator system effectively, but finish the work load that can increase the weight of central controller to the control of whole wind powered generator system undoubtedly alone by central controller, the work complexity that central controller need be finished, program code length is difficult to exploitation, and system responses lags behind.So existing wind-driven generator often adopts data signal processor (DSP, digital singnal processor), but increased the cost of control system and complexity simultaneously again and be unfavorable for the long-time maintenance of system increasing the real-time of system.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of control method, system and device of wind-driven generator, make the control system of existing wind-driven generator simple in structure, low-cost, be beneficial to exploitation and long-term.
For achieving the above object, the scheme that provides of the embodiment of the invention is such:
The embodiment of the invention provides a kind of control method of wind-driven generator, and described method comprises:
Mould/number conversion module is obtained various control signals, and described various control signals are carried out exporting to master controller after mould/number conversion;
Master controller sends to corresponding slave controller respectively with described various control signals;
Described slave controller is controlled wind-driven generator according to control signal corresponding in the various control signals.
Wherein, described master controller comprises the slave controller that described various control signals send to correspondence respectively:
Master controller sends the address frame of slave controller;
Slave controller receives judges also whether the address frame that described master controller sends conforms to this machine address, if, then to the described master controller feedback addresses information that conforms to;
Master controller judges whether to receive the described address information that conforms to, if then send data.
Wherein, master controller is also according to the conducting or the disconnection of the off-load switch of the voltage signal of the batteries in described various control signals control storage battery, prevents the storage battery over-discharge can or overcharges.
Wherein, described slave controller comprises that the change slurry is apart from system controller, Excitation Controller and display system controller.
Wherein, described slave controller is controlled wind-driven generator according to control signal corresponding in the various control signals and is comprised:
Become the slurry distance that slurry is regulated wind turbines rotor apart from system controller according to the control signal of master controller transmission; Described control signal is a wind velocity signal; Or
Excitation Controller is regulated the exciting current of DC generator according to the control signal that master controller sends; Described control signal is the tach signal of wind energy conversion system main shaft.
Wherein, described slave controller is controlled also wind-driven generator according to control signal corresponding in the various control signals and is comprised:
The display system controller is presented at the data that master controller sends on the charactron; Described data can be the numerical value through voltage, electric current, power, rotating speed and the wind speed of mould/conversion.
The embodiment of the invention also provides a kind of control system of wind-driven generator, and described control system comprises:
Mould/number conversion module is used to obtain various control signals, and described various control signals are carried out exporting to master controller after mould/number conversion;
Master controller is used for described various control signals are sent to corresponding slave controller respectively;
Slave controller is used for according to the control signal of correspondence wind-driven generator being controlled.
Wherein, described slave controller comprises that the change slurry is apart from system controller, Excitation Controller and display system controller.
Wherein, described master controller also is used for conducting or the disconnection according to the off-load switch of the voltage signal of the batteries of described various control signals control storage battery, prevents the storage battery over-discharge can or overcharges.
Wherein, described change slurry is used for the control signal that sends according to master controller, the slurry distance of regulating wind turbines rotor apart from system controller; Described control signal is a wind velocity signal;
The control signal that described Excitation Controller is used for sending according to master controller is regulated the exciting current of DC generator; Described control signal is the tach signal of wind energy conversion system main shaft;
Described display system controller is used for the data that master controller sends are presented at charactron; Described data can be the numerical value through voltage, electric current, power, rotating speed and the wind speed of mould/conversion.
Wherein, described change slurry closes up with serial interface with the serial transmission of master controller respectively with serial transmission mouth apart from the serial interface closing in of system controller, Excitation Controller and display system controller and links to each other.
The embodiment of the invention also provides a kind of master controller, and described master controller comprises:
Receiving element is used to receive the various control signals that mould/number conversion module is exported, and the slave controller feedack; Described information is that conform to information or data of address send successfully sign;
Transmitting element be used for sending in turn the address frame of slave controller, and the various control signals of receiving element being received according to the indication of judging unit sends respectively;
Judging unit is used to judge whether receiving element receives the address of the slave controller feedback information that conforms to, if then indicate transmitting element to send data; Be used to also judge whether receiving element receives that the slave controller feedback data sends successfully sign, if then indicate transmitting element to resend the address frame of slave controller.
The embodiment of the invention also provides a kind of slave controller, and described slave controller comprises:
Acquiring unit, this machine address that is used to obtain slave controller;
Receiving element is used to receive the address frame that master controller sends, and the data of master controller transmission;
Judging unit, be used to judge whether this machine address that acquiring unit gets access to conforms to the address frame that receiving element receives, if, then to the master controller feedback addresses information that conforms to, and indicate call unit to call the reception subfunction, the indication receiving element receives master controller according to described reception subfunction and sends data; Be used to also judge whether receiving element correctly receives data, if then indicate call unit to call and carry out the slave service routine, and the indication receiving element sends successfully sign to the master controller feedback data;
Transmitting element is used for to the master controller feedback addresses information that conforms to; And send successfully sign to the master controller feedback data according to the indication of judging unit;
Call unit is used for calling the reception subfunction and calling and carry out the slave service routine according to the indication of judging unit according to the indication of judging unit.
Adopt centralized control method to compare with the control system of existing wind-force electrical machinery, the control system of wind-driven generator of the present invention adopts modular mode to develop, and greatly reduces the development difficulty of whole system, makes system works more reliable; Because the work finished of each controller is simple relatively, program code is also shorter, so can adopt the cheap microcontroller of price such as 8051 single-chip microcomputers, has reduced the cost of control system; If certain module in service breaks down simultaneously, can promptly change this module, help long-term maintenance.
Description of drawings
The control method flow chart of the wind-driven generator that Fig. 1 provides for the embodiment of the invention;
The wind power generator control system schematic diagram that Fig. 2 provides for the embodiment of the invention;
Master controller and slave controller connected mode schematic diagram that Fig. 3 provides for the embodiment of the invention;
The control system schematic diagram that Fig. 4 provides for the embodiment of the invention;
The primary controller procedure flowchart that Fig. 5 provides for the embodiment of the invention;
The slave controller program execution flow figure that Fig. 6 provides for the embodiment of the invention;
The structural representation of the master controller that Fig. 7 provides for the embodiment of the invention;
The structural representation of the slave controller that Fig. 8 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of control method, system and device of wind-driven generator, can make the control system of existing wind-driven generator simple in structure, cost is low, be beneficial to the exploitation and long-time maintenance.
For the ease of the embodiment of the invention there being further understanding, the embodiment of the invention is described in detail below in conjunction with accompanying drawing.
Embodiment one:
See also Fig. 1, Fig. 1 provides a kind of control method of wind-driven generator for the embodiment of the invention.This method specifically can may further comprise the steps:
Step 101: mould/number conversion module is obtained various control signals, and described various control signals are carried out exporting to master controller after mould/number conversion.
Wherein, described mould/number conversion module is a plurality of passages and conversion speed mould/number conversion chip faster, is used for being responsible for converting the needed various control signals of system to digital quantity by analog quantity.The needed various control signals of described system can be wind speed, rotating speed, torque, voltage, electric current etc.
Step 102: master controller sends to corresponding slave controller respectively with described various control signals.
Wherein, master controller sent the address frame of slave controller earlier before sending data;
Slave controller receive address frame that described master controller sends and and the comparison of this machine address, judge whether the address conforms to, if, then to the master controller feedback addresses information that conforms to; If not, continue to receive the address frame that master controller sends;
Master controller judges whether to receive the address of the described slave controller feedback information that conforms to, if then send data to the slave controller of described address frame correspondence; If not, continue to send address frame.
Step 103: slave controller is controlled wind-driven generator according to control signal corresponding in the various control signals.
Wherein, described slave controller can comprise that the change slurry is apart from system controller, Excitation Controller and display system controller; Then
Become the slurry distance that slurry is regulated wind turbines rotor apart from system controller according to the control signal of master controller transmission; Described control signal can be wind velocity signal;
Excitation Controller is regulated the exciting current of DC generator according to the control signal that master controller sends; Described control signal can be the tach signal of wind energy conversion system main shaft;
The display system controller is presented at the data that master controller sends on the charactron; Described data can be the numerical value through voltage, electric current, power, rotating speed and the wind speed etc. of mould/conversion.
Need to prove that master controller that present embodiment provides and slave controller can be the high microcontroller of cost performance (such as 8051 cheap single-chip microcomputers).
The foregoing description one has been introduced the control method of wind-driven generator provided by the invention.Method of the present invention adopts the control system of the wind-driven generator of a mould/number conversion module and four general microcontroller composition moduleizations; Export control signal respectively by master controller and give corresponding slave controller, realize the control of system's appropriate section by slave controller according to control signal.The inventive method greatly reduces the development difficulty of whole system, makes system works more reliable; Because the work finished of each controller is simple relatively, program code is also shorter, so can adopt the cheap microcontroller of price such as 8051 single-chip microcomputers, has reduced the control system cost; If certain module in service breaks down simultaneously, can promptly change this module, help long-term maintenance.
Embodiment two:
See also Fig. 2, Fig. 2 provides a kind of control system schematic diagram of wind-driven generator for the embodiment of the invention.As shown in Figure 2, control system provided by the invention mainly comprises:
Mould/number conversion module 201 is used to obtain various control signals, and described various control signals are carried out exporting to master controller 202 after mould/number conversion;
Wherein, described mould/number conversion module 201 is a plurality of passages and conversion speed mould/number conversion chip faster, is used for being responsible for converting the needed various control signals of system to digital quantity by analog quantity.The needed various control signals of described system can be wind speed, rotating speed, torque, voltage, electric current etc.
Become slurry apart from system controller 203, be used for control signal, regulate the slurry distance of wind turbines rotor according to master controller 202 transmissions; Described control signal can be wind velocity signal.
See also Fig. 3, Fig. 3 is master controller provided by the invention and the connected mode schematic diagram of change slurry apart from system controller, Excitation Controller and three slave controllers of display system controller.Wherein, described change slurry links to each other with serial interface closing in RXD with the serial transmission mouthful TXD of master controller respectively with serial transmission mouthful TXD apart from the serial interface closing in RXD of system controller, Excitation Controller and display system controller; The data that master controller sends can be received by each slave controller, and the data that each slave controller sends can only be received by master controller.
Need to prove that master controller that present embodiment provides and slave controller can be the high microcontroller of cost performance (such as 8051 cheap single-chip microcomputers).
The foregoing description two has been introduced the control system of wind-driven generator provided by the invention.Control system of the present invention is made of apart from system controller 203, Excitation Controller 204 and display system controller 205 mould/number conversion module 201 and master controller 202, change slurry, realizes the distributed control of control system; Control system provided by the invention greatly reduces the development difficulty of whole system, makes system works more reliable; Because the work finished of each controller is simple relatively, program code is also shorter, so can adopt the cheap microcontroller of price such as 8051 single-chip microcomputers, has reduced the control system cost; If certain module in service breaks down simultaneously, can promptly change this module, help long-term maintenance.
Embodiment three:
See also Fig. 4, the schematic diagram of the control system that Fig. 4 provides for the embodiment of the invention three.As shown in Figure 4, the embodiment of the invention provides the control system schematic diagram mainly to comprise:
Mould/number conversion module 401 is used to obtain various control signals, and described various control signals are carried out exporting to master controller 402 after mould/number conversion;
Become slurry apart from system controller 403, be used for control signal, regulate the slurry distance of wind turbines rotor according to master controller 402 transmissions; Described control signal can be wind velocity signal.
Display system controller 405 is used for the data that master controller 402 sends are presented at charactron; Described data can be the numerical value through mould/voltage, electric current, power, rotating speed and wind speed etc. that number conversion module 401 is changed.
As shown in Figure 4, the core of mould/number conversion module 401 of providing of the invention process is that the fast mould of a plurality of passages, conversion speed/number transforms chip; Respectively with the simulation wind velocity signal of air velocity transducer input, and the employing gear speedup case that measures or directly torque, the rotating speed of the wind-force main shaft that drives of the mode of driving, and the electric current that produces of DC generator and the analog control signals such as voltage of batteries convert digital controlled signal to and export to master controller 402.
Become slurry apart from system controller 403, Excitation Controller 404 and display system controller 405 receive respectively address frame that master controller sends and and this machine address relatively, judge whether the address conforms to, if, then to the master controller feedback addresses information that conforms to; If not, then be in wait state.
Master controller judges whether to receive the address of the described feedback information that conforms to, if then send data; If not, continue to send address frame.
Described change slurry receives the wind velocity signal that master controller 402 sends apart from system controller 403, and the motor that control becomes the slurry system according to described wind control signal realize the blower fan slurry apart from and the servo-actuated of wind speed, prevent from the blower fan slurry to be caused damage or can't make the direct current wind-driven generator produce electric current because of wind speed is too small because of wind speed is excessive.
Described Excitation Controller 404 receives the wind velocity signal that master controller 402 sends, and regulates excitation system according to described wind velocity signal and export to the suitable exciting current of direct current wind-driven generator, realizes the exciting current of wind-driven generator and the servo-actuated of wind speed.
(as: voltage, electric current, wind speed, rotating speed etc. are presented on the charactron on the system control panel signal that described display system controller 405 sends master control 402.
Need to prove that master controller 402 that present embodiment provides and change slurry can be the high microcontroller of cost performance (such as 8015 cheap single-chip microcomputers) apart from system controller 403, Excitation Controller 404 and display system controller 405.
The foregoing description three control system of two wind-driven generators that provide is in conjunction with the embodiments introduced the workflow of control system provided by the invention.Control system of the present invention is made of apart from system controller 403, Excitation Controller 404 and display system controller 405 mould/number conversion module 401 and master controller 402, change slurry, realizes the distributed control of control system; Control system provided by the invention greatly reduces the development difficulty of whole system, makes system works more reliable; Because the work finished of each controller is simple relatively, program code is also shorter, so can adopt the cheap microcontroller of price such as 8051 single-chip microcomputers, has reduced the control system cost; If certain module in service breaks down simultaneously, can promptly change this module, help long-term maintenance.
Embodiment four:
See also Fig. 5, the primary controller procedure flowchart that Fig. 5 provides for the embodiment of the invention four.As shown in Figure 5, the program execution flow of master controller provided by the invention can comprise the steps:
Step 501: master controller carries out the serial ports initialization; Described serial ports initialization is used to be provided with the mode of operation of master controller; The mode of operation of master controller provided by the invention is that point-to-multipoint and baud rate are adjustable.
Step 502: master controller receives the various control signals of mould/number conversion module output; Described various control signal can comprise the numerical value of voltage, electric current, power, rotating speed and wind speed etc.
Step 503: master controller sent earlier address frame in turn before sending data; Described address frame can be to become slurry apart from the address frame of system controller, the address frame of Excitation Controller and the address frame of display system controller;
Step 504: master controller is waited for the response message of slave controller; Described slave controller can comprise becoming to be starched apart from system controller, Excitation Controller and display system controller; The response message of described slave controller can be that conform to information or data of address send successfully sign.
Step 505: master control judges whether to receive address that slave controller the returns information that conforms to; The address that described slave controller the returns information that conforms to is: slave controller receive address frame that master controller sends and and the comparison of this machine address, judge whether the address conforms to, if, then to the master controller feedback addresses information that conforms to.
Step 506: master controller is received address that slave controller the returns information that conforms to, and sends data.
Step 507: after master controller sends the data that finish, wait for the response message that slave controller returns; The response message that described slave controller returns is that data send successful sign; The sign of described transmission data success can be to consult agreement between master controller and the slave controller.
Step 508: master controller judges whether to receive the data that slave controller returns and sends successfully sign, if execution in step 503 resends address frame, and carries out subsequent step, reaching the purpose that primary controller procedure is carried out in circulation; If not, then return step 506 and resend this data.
It more than is the introduction of the program execution flow of the master controller that provides of present embodiment, master controller provided by the invention is by sending to various control signals respectively the slave controller of different address frame correspondences, slave controller by correspondence carries out the corresponding control of system according to this control signal of correspondence, thus the distributed control of the system of realization; The present invention adopts the modularization layout to greatly reduce the development difficulty of The whole control system, has simplified the cost of the structure and the control system of control system; And the director demon code is short, helps developing and long-term maintenance.
Embodiment five:
Embodiments of the invention four have been introduced the execution flow process of primary controller procedure of the present invention, and slave controller correspondingly provided by the invention also has self program implementation flow process.See also and read Fig. 6, the slave controller program implementation flow chart that Fig. 6 provides for the embodiment of the invention five.As shown in Figure 6, the program execution flow of slave controller provided by the invention can comprise the steps:
Step 601: slave controller carries out the serial ports initialization; Described serial ports initialization is used to be provided with the mode of operation of slave controller; The mode of operation of slave controller provided by the invention is that point-to-multipoint and baud rate are adjustable.
Step 602: slave controller obtains this machine address; Described to obtain this machine address can be slave controller obtains from self program, perhaps by being connected with the parallel port of master controller, obtains according to the parallel port state.
Step 603: slave controller receives the address frame that master controller sends.
Step 604: slave controller judges whether the address frame receive conforms to this machine address, if, then to the master controller feedback addresses information that conforms to; If not, then return step 603, receive the address frame that master controller sends again.
Step 605: after slave controller is judged the address frame receive and this machine address is conformed to, to the master controller return address information that conforms to; The described address information that conforms to can be to consult agreement between master controller and the slave controller.
Step 606: slave controller calls and receives the data that subfunction receives the master controller transmission.
Step 607: whether the slave controller judgment data receives mistake, and if not, then execution in step 608; If then return step 606 and call the data that receive the transmission of subfunction reception master controller again.
Step 608: slave controller calls and carries out service routine, realizes the corresponding control to system.
Need to prove that change slurry provided by the invention is identical apart from the execution flow process of system controller, Excitation Controller and the service routine of display system controller.
Need to prove how judgment data receives whether mistake belongs to existing technology in the present embodiment, is well known to those skilled in the art, present embodiment is not described further inferior.
It more than is the introduction of the program execution flow of the slave controller that provides of present embodiment, slave controller provided by the invention receives the control signal of master controller transmission and carries out the corresponding control of system, reduced the workload of master controller, and the distributed control of the system of realization; The present invention adopts the modularization layout to greatly reduce the development difficulty of The whole control system, has simplified the cost of the structure and the control system of control system; And the director demon code is short, helps developing and long-term maintenance.
Embodiment six:
The execution flow process of the above-mentioned control method of introducing wind-driven generator provided by the invention respectively, system and master controller and the execution flow process of slave controller are specifically introduced master controller provided by the invention below again.See also Fig. 7, the structural representation of the master controller that Fig. 7 provides for the embodiment of the invention six.As shown in Figure 7, described master controller can comprise:
Receiving element 701 is used to receive the various control signals that mould/number conversion module is exported, and the response message of slave controller feedback; Described response message can be that conform to information or data of address send successfully sign.
Transmitting element 702 be used for sending in turn the address frame of slave controller, and the various control signals of receiving element being received according to the indication of judging unit sends respectively.
Judging unit 703 is used to judge whether receiving element 701 is received the address of the slave controller feedback information that conforms to, if then indicate transmitting element 702 to send data; If not, then indicate transmitting element 702 to resend the address frame of slave controller; Be used for also judging whether indication receiving element 701 receives that the slave controller feedback data sends successfully sign, if, then indicate transmitting element 702 to resend the address frame of slave controller, if not, indication transmitting element 702 resends data.
Wherein, to send successfully sign can be that master controller and slave controller are consulted agreement to described data.
Need to prove that the master controller that present embodiment provides can be the high microcontroller of cost performance (such as 8051 cheap single-chip microcomputers).
It more than is introduction to master controller provided by the invention, described master controller is by sending to various control signals respectively the slave controller of different address frame correspondences, slave controller by correspondence carries out the corresponding control of system according to this control signal of correspondence, thus the distributed control of the system of realization; The present invention adopts the modularization layout to greatly reduce the development difficulty of The whole control system, has simplified the cost of the structure and the control system of control system; And the director demon code is short, helps developing and long-term maintenance.
Embodiment seven:
Above-mentioned master controller provided by the invention is introduced, below slave controller provided by the invention is introduced accordingly; Described slave controller comprises becoming to be starched apart from system controller, Excitation Controller and display system controller.See also Fig. 8, the structural representation of the slave controller that Fig. 8 provides for the embodiment of the invention seven.As shown in Figure 8, described slave controller can comprise:
Acquiring unit 801, this machine address that is used to obtain slave controller; Described to obtain this machine address can be slave controller obtains from self program, perhaps by being connected with the parallel port of master controller, obtains according to the parallel port state.
Receiving element 802 is used to receive the address frame that master controller sends, and the data of master controller transmission.
Judging unit 803, be used to judge whether this machine address that acquiring unit 801 gets access to conforms to the address frame that receiving element 802 receives, if, then indicate transmitting element 804 to the master controller feedback addresses information that conforms to, and indicate call unit 805 to call the reception subfunction, indication receiving element 802 receives master controller according to described reception subfunction and sends data; If not, indication receiving element 802 receives the address frame that master controller sends again; Be used to also judge whether receiving element 802 correctly receives data, if then indicate call unit 805 to call and carry out the slave service routine, and indication transmitting element 804 sends successfully sign to the master controller feedback data; If not, then and indicate call unit 805 to call the reception subfunction again, and indication receiving element 802 receives master controller according to described reception subfunction again and sends data.
Transmitting element is used for according to the indication of judging unit 803 to the master controller feedback addresses information that conforms to; And send successfully sign to the master controller feedback data according to the indication of judging unit 803.
Call unit is used for calling the reception subfunction and calling and carry out the slave service routine according to the indication of judging unit 803 according to the indication of judging unit 803, realizes the corresponding control to system.
Wherein, to send successfully sign can be that master controller and slave controller are consulted agreement to described data.
Need to prove that the slave controller that present embodiment provides can be the high microcontroller of cost performance (such as 8051 cheap single-chip microcomputers).
Above-mentioned is introduction to slave controller provided by the invention, and described slave controller carries out the corresponding control of system according to this control signal of the correspondence that master controller sends, has reduced the workload of master controller, and the distributed control of the system of realization; The present invention adopts the modularization layout to greatly reduce the development difficulty of The whole control system, has simplified the cost of the structure and the control system of control system; And the director demon code is short, helps developing and long-term maintenance.
More than control method, system and the device of wind-driven generator that the embodiment of the invention is provided be described in detail.Program of the present invention can be stored in the computer read/write memory medium, and described storage medium can be ROM, RAM, magnetic disc or CD or the like.Used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (13)
1, a kind of control method of wind-driven generator is characterized in that, this method comprises:
Mould/number conversion module is obtained various control signals, and described various control signals are carried out exporting to master controller after mould/number conversion;
Master controller sends to corresponding slave controller respectively with described various control signals;
Described slave controller is controlled wind-driven generator according to control signal corresponding in the various control signals.
2, control method according to claim 1 is characterized in that, described master controller sends to corresponding slave controller respectively with described various control signals and comprises:
Master controller sends the address frame of slave controller;
Slave controller receives judges also whether the address frame that described master controller sends conforms to this machine address, if, then to the described master controller feedback addresses information that conforms to;
Master controller judges whether to receive the described address information that conforms to, if then send data.
3, control method according to claim 1 and 2 is characterized in that, described master controller also comprises:
According to the conducting or the disconnection of the off-load switch of the voltage signal of the batteries in described various control signals control storage battery, prevent the storage battery over-discharge can or overcharge.
4, control method according to claim 1 is characterized in that, described slave controller comprises becoming to be starched apart from system controller, Excitation Controller and display system controller.
5, control method according to claim 4 is characterized in that, described slave controller is controlled wind-driven generator according to control signal corresponding in the various control signals and comprised:
Become the slurry distance that slurry is regulated wind turbines rotor apart from system controller according to the control signal of master controller transmission; Described control signal is a wind velocity signal; Or
Excitation Controller is regulated the exciting current of DC generator according to the control signal that master controller sends; Described control signal is the tach signal of wind energy conversion system main shaft.
6, control method according to claim 4 is characterized in that, described slave controller is controlled also wind-driven generator according to control signal corresponding in the various control signals and comprised:
The display system controller is presented at the data that master controller sends on the charactron; Described data can be the numerical value through voltage, electric current, power, rotating speed and the wind speed of mould/conversion.
7, a kind of control system of wind-driven generator is characterized in that, this control system comprises:
Mould/number conversion module is used to obtain various control signals, and described various control signals are carried out exporting to master controller after mould/number conversion;
Master controller is used for described various control signals are sent to corresponding slave controller respectively;
Slave controller is used for according to the control signal of correspondence wind-driven generator being controlled.
8, system according to claim 7 is characterized in that, described slave controller comprises becoming to be starched apart from system controller, Excitation Controller and display system controller.
9, system according to claim 7, it is characterized in that, described master controller also is used for conducting or the disconnection according to the off-load switch of the voltage signal of the batteries of described various control signals control storage battery, prevents the storage battery over-discharge can or overcharges.
10, system according to claim 7 is characterized in that, described change slurry is used for the control signal that sends according to master controller, the slurry distance of regulating wind turbines rotor apart from system controller; Described control signal is a wind velocity signal;
The control signal that described Excitation Controller is used for sending according to master controller is regulated the exciting current of DC generator; Described control signal is the tach signal of wind energy conversion system main shaft;
Described display system controller is used for the data that master controller sends are presented at charactron; Described data are the numerical value of voltage, electric current, power, rotating speed and the wind speed of process mould/conversion.
11, according to Claim 8 or 10 described systems, it is characterized in that described change slurry closes up with serial interface with the serial transmission of master controller respectively with serial transmission mouth apart from the serial interface closing in of system controller, Excitation Controller and display system controller and links to each other.
12, a kind of master controller is characterized in that, comprising:
Receiving element is used to receive the various control signals that mould/number conversion module is exported, and the slave controller feedack; Described information is that conform to information or data of address send successfully sign;
Transmitting element be used for sending in turn the address frame of slave controller, and the various control signals of receiving element being received according to the indication of judging unit sends respectively;
Judging unit is used to judge whether receiving element receives the address of the slave controller feedback information that conforms to, if then indicate transmitting element to send data; Be used to also judge whether receiving element receives that the slave controller feedback data sends successfully sign, if then indicate transmitting element to resend the address frame of slave controller.
13, a kind of slave controller is characterized in that, comprising:
Acquiring unit, this machine address that is used to obtain slave controller;
Receiving element is used to receive the address frame that master controller sends, and the data of master controller transmission;
Judging unit, be used to judge whether this machine address that acquiring unit gets access to conforms to the address frame that receiving element receives, if, then to the master controller feedback addresses information that conforms to, and indicate call unit to call the reception subfunction, the indication receiving element receives master controller according to described reception subfunction and sends data; Be used to also judge whether receiving element correctly receives data, if then indicate call unit to call and carry out the slave service routine, and the indication receiving element sends successfully sign to the master controller feedback data;
Transmitting element is used for to the master controller feedback addresses information that conforms to; And send successfully sign to the master controller feedback data according to the indication of judging unit;
Call unit is used for calling the reception subfunction and calling and carry out the slave service routine according to the indication of judging unit according to the indication of judging unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101326987A CN101304179B (en) | 2008-07-10 | 2008-07-10 | Control method and system for wind-driven generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101326987A CN101304179B (en) | 2008-07-10 | 2008-07-10 | Control method and system for wind-driven generator |
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| CN101304179A true CN101304179A (en) | 2008-11-12 |
| CN101304179B CN101304179B (en) | 2012-02-29 |
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| CN2008101326987A Expired - Fee Related CN101304179B (en) | 2008-07-10 | 2008-07-10 | Control method and system for wind-driven generator |
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| CN102594239A (en) * | 2012-03-12 | 2012-07-18 | 深圳市风发科技发展有限公司 | Excitation control device for switched reluctance wind driven generator |
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