CN109058042A - A kind of integrated form wind power master control pitch-controlled system - Google Patents
A kind of integrated form wind power master control pitch-controlled system Download PDFInfo
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- CN109058042A CN109058042A CN201810811465.3A CN201810811465A CN109058042A CN 109058042 A CN109058042 A CN 109058042A CN 201810811465 A CN201810811465 A CN 201810811465A CN 109058042 A CN109058042 A CN 109058042A
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- 238000004891 communication Methods 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
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- 229910052744 lithium Inorganic materials 0.000 claims description 3
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- H02J3/386—
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- 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
-
- 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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- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention is suitable for wind power generating set electric control field, specifically a kind of integrated form wind power master control pitch-controlled system, including an integrated form master control pitch control cabinet, three pitch drive cabinets, three backup power supply cabinets and three pitch motors, the integrated form master control pitch control cabinet is connected by slip ring with each pitch drive cabinet, and each pitch drive cabinet is connected with backup power supply cabinet and pitch motor respectively；Pitch drive cabinet is compared with traditional scheme, eliminate traditional pitch control device, traditional pitch control cabinet is merged into the weight of a cabinet body pitch drive cabinet with backup power supply cabinet and size further reduces, the controller of the controller of master control system and pitch-controlled system is integrated in a controller, shaft system of unit load is effectively mitigated.
Description
Technical field
The present invention is suitable for wind power generating set electric control field, specifically a kind of integrated form wind power master control pitch-controlled system.
Background technique
The main master control system of wind power generating set electric-control system, pitch-variable system, converter system composition.Wherein, master control
System is the main body of entire blower electric-control system, main to complete the acquisition of cabin data, judgement and processing, detects each part sensing
Whether device faulty, is monitored by various kinds of sensors to power grid, wind regime and fan operation parameter, and with Frequency Converter Control system
System, variable blade control system keep data communication, after making comprehensive analysis according to the case where various aspects, issue various control instructions,
The starting of realization system stops, grid-connected off-grid, the rotation of blade, cabin to wind, the statistics of operation data, and data are passed
Defeated wind field central control room is shown and is controlled.Pitch-controlled system cooperates with master control system, by receiving master control instruction to blade
Maximal wind-energy capture and constant-speed operation are realized in the control of propeller pitch angle, it is made of 3 sets of variable pitch cabinets and 3 sets of battery cupboards, wherein often
All contain independent pitch control device and variable pitch driver in a pitch control cabinet.
In the existing mainstream technology of wind-powered electricity generation electric-control system, master control system and pitch-controlled system are two sets of independent systems, master control
Cabinet is placed in cabin or tower bottom, and variable pitch cabinet is placed in machine unit hub.Contain pitch control device, master control system and change in each variable pitch cabinet
It is communicated before paddle controller by various buses, then pitch control device passes through RS485 CANopen interface again and becomes
Pitch driver carries out information exchange.Also there are technology proposition, integrated form electric-control system in recent years.
Relevant mainly to have following patent: Patent No. CN201611210392.X, entitled " one kind contains integrated PLC
The low pressure pitch-controlled system of the variable pitch servo-driver of function " patent of invention, the PLC function of pitch control device has been integrated in change
Inside pitch driver, certain variable pitch cabinet space has been saved, but without solving the problems, such as that master control system and pitch-controlled system are integrated,
When pitch-controlled system is safeguarded, still need to one by one safeguard three variable pitch cabinets.Patent No. CN201620611357.8, entitled " one kind
Integrated wind power control system " utility model patent, propose entire electric-control system (comprising master control system and pitch-controlled system)
It is integrated in an integrated manipulator, but information could be carried out to variable pitch executing agency by being necessarily dependent upon real-time industrial ethernet
Interaction, and do not illustrate the problem of belonging to inside pitch-controlled system about signal acquisition responsibility.
Summary of the invention
In order to solve the above-mentioned problems in the prior art, specifically now propose that a kind of Highgrade integration wind power master control becomes
Oar system.
In order to achieve the above objectives, the present invention is achieved using following scheme:
A kind of integrated form wind power master control pitch-controlled system, it is characterised in that: including an integrated form master control pitch control cabinet, three changes
Paddle drives cabinet, three backup power supply cabinets and three pitch motors, the integrated form master control pitch control cabinet by slip ring with it is each
Pitch drive cabinet is connected, and each pitch drive cabinet is connected with backup power supply cabinet and pitch motor respectively；
The integrated form master control pitch control cabinet includes power supply interface module, integrated form master control pitch control device, electrical measurement mould
Block, I/O interface module, CANopen communication module, interchanger, safety chain system and man-machine interface, man-machine interface include display screen
Deng；The integrated form master control pitch control device is connected with interchanger, CANopen communication module and safety chain system one way signal,
The I/O interface module is connected with integrated form master control pitch control device one way signal, and the power supply interface module is respectively to integrated
Formula master control pitch control device, electrical measurement module, I/O interface module and power supply for exchange.Integrated form master control pitch control device is certainly
With ethernet interface module.
The interchanger includes communication switcher in wind field communication switcher and cabinet.
The I/O interface module receives anemoclinograph, temperature sensor, vibrating sensor, vibroswitch, yaw counting
The data information that device, yaw limit switch, speed probe and wheel speed switch.
The electrical measurement module receives voltage signal, current signal, active power, reactive power and phase angle information.
The integrated form master control pitch control device supports CANopen, RS485, ARC-net, optical fiber ARC- by apolegamy
Net, USB, the communication interfaces such as Ethernet, it receives wind speed, wind direction, temperature, generator speed, yaw by I/O module etc.
Then the signals such as counter, unit vibration provide starting, shutdown, yaw instruction, pitch angle signal etc. according to the algorithm of setting.
The power supply interface module, by the input power of integrated form pitch control cabinet (220VAC or 220VDC,
It 110VDC) is converted by AC/DC or DC/DC is converted to 24V DC power supply etc. as integrated form pitch control device, interchanger, man-machine boundary
Face provides power supply.
The integrated form pitch control device is the carrier of the algorithm design of fan master control system and pitch-controlled system, stores master
The application program of control and pitch-controlled system.
The electrical measurement module can directly measure six road voltage (generator side and power grids of highest 690V AC phase voltage
Side), three-phase current can access the module by the secondary current transformer for being 1A or 5A.
The I/O interface module can be included in the PT-100 temperature signal of multichannel, voltage and current analog input signal,
The On-off signal signal of positive and negative logic, the On-off signal signal with frequency measurement ability, analog quantity electric current are exported and are opened
Measure output signal in pass.
The CANopen communication module undertakes the data interaction between integrated form master control pitch control device and driver, uses
In the state feedback for the instructions and driver that transmission integrated form master control pitch control device is assigned.
The interchanger is separately positioned in engine room control cabinet and frequency converter control cabinet, and operation panel and master controller pass through
The interchanger is communicated, and also provided the interchanger of same model in frequency-conversion control cabinet, and two interchangers pass through single-mode optics
Fibre is communicated.
The safety chain system is connected in series by a series of normally-closed contacts independently of software and is connected to 24VDC, in theft-resistant link chain
Each normally-closed contact for monitoring a kind of security restriction condition, only each contact can just make safety when being at closed state
Chain contactor is active；Even any one contact, which disconnects of short duration disconnection, in theft-resistant link chain can also make theft-resistant link chain relay
Device disconnects, so that theft-resistant link chain be made to be in the state disconnected always；Even if only one contact is in an off state, entire theft-resistant link chain
It will be in an off state and cannot be reset；Before thus blade executes safe variable pitch operation, and failure does not reset, nothing
Method starts blower automatically again.
The man-machine interface is located at cabin control cabinet, is operated by the panel to blower, browses fan operation state
And setting parameters.
The pitch drive cabinet includes power supply interface module, and backup power supply (battery), charger, charger CANopen communicate mould
Block, servo-driver, servo-driver CANopen communication module, periphery I/O circuit, heating system, lighting system, theft-resistant link chain
System；The servo-driver is connected with servo-driver CANopen communication module one way signal, tells rear charger and charging
Machine CANopen communication module one way signal is connected, and the servo-driver CANopen communication module and charger CANopen are logical
Believe that module one way signal is connected, the periphery I/O circuit is connected with servo-driver one way signal, the power supply interface module pair
Charger, servo-driver, heating system and lighting system power supply, the charger and charger CANopen communication module are believed
Number be connected.
220VAC is converted to 24VDC power supply by the power supply interface module, is each generic module, the power supply such as relay.
The backup power supply (battery) is lithium battery or super capacitor, after main electric network power-fail, is mentioned by it for driver
Power supply source carries out emergency propeller retraction protection.
The charger is charged when backup power supply off-capacity by it by obtaining the power supply of power grid for backup power supply,
Until being charged to setting value.
The charger CANopen communication module undertakes the friendship of the data between charger and integrated master control pitch control device
Mutually, cell voltage, capacity, temperature and charger state are fed back to integrated form master control pitch control device.
The DC power supply of power supply and backup battery of the servo-driver primary recipient from power grid, and be variable pitch electricity
Machine provides power supply, mainly undertakes the servo-drive task of pitch motor, and control pitch motor is rotated forward, inverted, accelerate, slows down, open
The functions such as stop to realize split paddle, puts away the oars, the functions such as emergency propeller retraction.
The servo-driver CANopen communication module undertakes between servo-driver and integrated form host pitch control device
Signal interaction.
The periphery I/O circuit is blade position switch (92 degree and 95 degree of positions), temperature signal, emergency shutdown letter
Number, enable signal, the input interfaces such as theft-resistant link chain loop signal and variable pitch driver failure, power failure, backup power supply state
The output interface of output signal；This signal can be fed back to driver and integrated form master control pitch control device.
The heating system is made of temperature switch and heater, is arranged in pitch control cabinet near battery, temperature is opened
When pass measures that in-cabinet temperature is lower or battery temperature is too low, start heater, is element or backup power supply in variable pitch cabinet
The environment temperature of one normal work is provided.
The lighting system is arranged outside pitch control cabinet cabinet door, and the operation for variable pitch operation maintenance personnel provides illumination.
The safety chain system is connected in series independently of the safety chain system in software, with integrated form master control pitch control cabinet
And it is connected to 24VDC, each normally-closed contact in cabinet in theft-resistant link chain is for monitoring a kind of security restriction condition, only each contact
Just secure link tentaculum can be made to be active when being in closed state；Even any one contact disconnects short in theft-resistant link chain
Temporary disconnection can also be such that theft-resistant link chain relay disconnects, so that theft-resistant link chain be made to be in the state disconnected always；This will trigger driver
Automatic emergency is put away the oars.
The servo-driver receives the heartbeat letter from integrated master control pitch control device by its CANopen communication module
Number, propeller pitch angle letter etc. instruction, while to its feed back pitch motor temperature, band-type brake state, operating status, position signal etc..Simultaneously
System theft-resistant link chain loop state, the different location signal feedback of blade, manual variable pitch signal are monitored by peripheral I/O circuit
Deng.When the servo-driver receives theft-resistant link chain circuit cut-off signal or receives the CANopen heart of master control pitch control device
When jumping blackout, safe mode can be triggered, servo-driver automatic safe, which is put away the oars, to be run to 92 degree of positions.
The advantages of the application, is as follows:
1. pitch drive cabinet compared with traditional scheme, eliminates traditional pitch control device, by traditional pitch control cabinet with after
Stand-by power source cabinet is merged into the weight of a cabinet body pitch drive cabinet and size further reduces, by the controller of master control system and change
The controller of oar system is integrated in a controller, effectively mitigates shaft system of unit load.
2. entire master control pitch-controlled system it is total save three pitch control devices, cost is greatly saved.
After 3. the program of pitch-controlled system is integrated in master control pitch control device, according to configuring condition, it can be achieved that variable pitch program
Remote maintenance.Operation maintenance personnel no longer needs to tower, and wheel hub is gone to safeguard on the spot, significantly mitigation maintenance cost and labor intensity.
4. when software maintenance, without going to safeguard one by one to three variable pitch cabinets, the maintenance to three cabinets once can be completed.
Compared with traditional scheme, the maintenance workload of wind field attendant is greatly saved.
Detailed description of the invention
Fig. 1 is integrated form master control pitch-controlled system schematic diagram.
Fig. 2 is integrated form master control pitch control cabinet system block diagram.
Fig. 3 is pitch drive cabinet system block diagram.
Specific embodiment
A kind of integrated form wind power master control pitch-controlled system includes an integrated form master control pitch control cabinet, three pitch drives
Cabinet, three backup power supply cabinets and three pitch motors, the integrated form master control pitch control cabinet are driven by slip ring and each variable pitch
Dynamic cabinet is connected, and each pitch drive cabinet is connected with backup power supply cabinet and pitch motor respectively.
The integrated form master control pitch control cabinet includes power supply interface module, integrated form master control pitch control device, electricity survey
Module, I/O interface module, CANopen communication module, interchanger, safety chain system and man-machine interface are measured, man-machine interface includes aobvious
Display screen etc.；The integrated form master control pitch control device and interchanger, CANopen communication module and safety chain system one way signal phase
Even, the I/O interface module is connected with integrated form master control pitch control device one way signal, and the power supply interface module is respectively to collection
Accepted way of doing sth master control pitch control device, electrical measurement module, I/O interface module and power supply for exchange.Integrated form master control pitch control device
Come with ethernet interface module.
The interchanger includes communication switcher in wind field communication switcher and cabinet.
The I/O interface module receives anemoclinograph, temperature sensor, vibrating sensor, vibroswitch, yaw counting
The data information that device, yaw limit switch, speed probe and wheel speed switch.
The electrical measurement module receives voltage signal, current signal, active power, reactive power and phase angle information.
The integrated form master control pitch control device supports CANopen, RS485, ARC-net, optical fiber ARC- by apolegamy
Net, USB, the communication interfaces such as Ethernet, it receives wind speed, wind direction, temperature, generator speed, yaw by I/O module etc.
Then the signals such as counter, unit vibration provide starting, shutdown, yaw instruction, pitch angle signal etc. according to the algorithm of setting.
The power supply interface module, by the input power of integrated form pitch control cabinet (220VAC or 220VDC,
It 110VDC) is converted by AC/DC or DC/DC is converted to 24V DC power supply etc. as integrated form pitch control device, interchanger, man-machine boundary
Face provides power supply.
The integrated form pitch control device is the carrier of the algorithm design of fan master control system and pitch-controlled system, stores master
The application program of control and pitch-controlled system.
The electrical measurement module can directly measure six road voltage (generator side and power grids of highest 690V AC phase voltage
Side), three-phase current can access the module by the secondary current transformer for being 1A or 5A.
The I/O interface module can be included in the PT-100 temperature signal of multichannel, voltage and current analog input signal,
The On-off signal signal of positive and negative logic, the On-off signal signal with frequency measurement ability, analog quantity electric current are exported and are opened
Measure output signal in pass.
The CANopen communication module undertakes the data interaction between integrated form master control pitch control device and driver, uses
In the state feedback for the instructions and driver that transmission integrated form master control pitch control device is assigned.
The interchanger is separately positioned in engine room control cabinet and frequency converter control cabinet, and operation panel and master controller pass through
The interchanger is communicated, and also provided the interchanger of same model in frequency-conversion control cabinet, and two interchangers pass through single-mode optics
Fibre is communicated.
The safety chain system is connected in series by a series of normally-closed contacts independently of software and is connected to 24VDC, in theft-resistant link chain
Each normally-closed contact for monitoring a kind of security restriction condition, only each contact can just make safety when being at closed state
Chain contactor is active；Even any one contact, which disconnects of short duration disconnection, in theft-resistant link chain can also make theft-resistant link chain relay
Device disconnects, so that theft-resistant link chain be made to be in the state disconnected always；Even if only one contact is in an off state, entire theft-resistant link chain
It will be in an off state and cannot be reset；Before thus blade executes safe variable pitch operation, and failure does not reset, nothing
Method starts blower automatically again.
The man-machine interface is located at cabin control cabinet, is operated by the panel to blower, browses fan operation state
And setting parameters.
The pitch drive cabinet includes power supply interface module, and backup power supply (battery), charger, charger CANopen communicate mould
Block, servo-driver, servo-driver CANopen communication module, periphery I/O circuit, heating system, lighting system, theft-resistant link chain
System；The servo-driver is connected with servo-driver CANopen communication module one way signal, tells rear charger and charging
Machine CANopen communication module one way signal is connected, and the servo-driver CANopen communication module and charger CANopen are logical
Believe that module one way signal is connected, the periphery I/O circuit is connected with servo-driver one way signal, the power supply interface module pair
Charger, servo-driver, heating system and lighting system power supply, the charger and charger CANopen communication module are believed
Number be connected.
220VAC is converted to 24VDC power supply by the power supply interface module, is each generic module, the power supply such as relay.
The backup power supply (battery) is lithium battery or super capacitor, after main electric network power-fail, is mentioned by it for driver
Power supply source carries out emergency propeller retraction protection.
The charger is charged when backup power supply off-capacity by it by obtaining the power supply of power grid for backup power supply,
Until being charged to setting value.
The charger CANopen communication module undertakes the friendship of the data between charger and integrated master control pitch control device
Mutually, cell voltage, capacity, temperature and charger state are fed back to integrated form master control pitch control device.
The DC power supply of power supply and backup battery of the servo-driver primary recipient from power grid, and be variable pitch electricity
Machine provides power supply, mainly undertakes the servo-drive task of pitch motor, and control pitch motor is rotated forward, inverted, accelerate, slows down, open
The functions such as stop to realize split paddle, puts away the oars, the functions such as emergency propeller retraction.
The servo-driver CANopen communication module undertakes between servo-driver and integrated form host pitch control device
Signal interaction.
The periphery I/O circuit is blade position switch (92 degree and 95 degree of positions), temperature signal, emergency shutdown letter
Number, enable signal, the input interfaces such as theft-resistant link chain loop signal and variable pitch driver failure, power failure, backup power supply state
The output interface of output signal；This signal can be fed back to driver and integrated form master control pitch control device.
The heating system is made of temperature switch and heater, is arranged in pitch control cabinet near battery, temperature is opened
When pass measures that in-cabinet temperature is lower or battery temperature is too low, start heater, is element or backup power supply in variable pitch cabinet
The environment temperature of one normal work is provided.
The lighting system is arranged outside pitch control cabinet cabinet door, and the operation for variable pitch operation maintenance personnel provides illumination.
The safety chain system is connected in series independently of the safety chain system in software, with integrated form master control pitch control cabinet
And it is connected to 24VDC, each normally-closed contact in cabinet in theft-resistant link chain is for monitoring a kind of security restriction condition, only each contact
Just secure link tentaculum can be made to be active when being in closed state；Even any one contact disconnects short in theft-resistant link chain
Temporary disconnection can also be such that theft-resistant link chain relay disconnects, so that theft-resistant link chain be made to be in the state disconnected always；This will trigger driver
Automatic emergency is put away the oars.
The servo-driver receives the heartbeat letter from integrated master control pitch control device by its CANopen communication module
Number, propeller pitch angle letter etc. instruction, while to its feed back pitch motor temperature, band-type brake state, operating status, position signal etc..Simultaneously
System theft-resistant link chain loop state, the different location signal feedback of blade, manual variable pitch signal are monitored by peripheral I/O circuit
Deng.When the servo-driver receives theft-resistant link chain circuit cut-off signal or receives the CANopen heart of master control pitch control device
When jumping blackout, safe mode can be triggered, servo-driver automatic safe, which is put away the oars, to be run to 92 degree of positions.
Pitch drive cabinet eliminates traditional pitch control device compared with traditional scheme, by traditional pitch control cabinet with
Backup power supply cabinet is merged into the weight of a cabinet body pitch drive cabinet and size further reduces, by the controller of master control system with
The controller of pitch-controlled system is integrated in a controller, effectively mitigates shaft system of unit load.Entire master control pitch-controlled system is total
Three pitch control devices are saved, cost is greatly saved.After the program of pitch-controlled system is integrated in master control pitch control device, according to
Configuring condition, it can be achieved that variable pitch program remote maintenance.Operation maintenance personnel no longer needs to tower, and wheel hub is gone to safeguard on the spot, significantly
Mitigate maintenance cost and labor intensity.When software maintenance, without going to safeguard one by one to three variable pitch cabinets, once it can be completed to three
The maintenance of a cabinet.Compared with traditional scheme, the maintenance workload of wind field attendant is greatly saved.
Claims (10)
1. a kind of integrated form wind power master control pitch-controlled system, it is characterised in that: including an integrated form master control pitch control cabinet, three
Pitch drive cabinet, three backup power supply cabinets and three pitch motors, the integrated form master control pitch control cabinet is by slip ring and respectively
A pitch drive cabinet is connected, and each pitch drive cabinet is connected with backup power supply cabinet and pitch motor respectively.
2. a kind of integrated form wind power master control pitch-controlled system according to claim 1, it is characterised in that: the integrated form master control
Pitch control cabinet include power supply interface module, integrated form master control pitch control device, electrical measurement module, I/O interface module,
CANopen communication module, interchanger, safety chain system and man-machine interface, the integrated form master control pitch control device and interchanger,
CANopen communication module is connected with safety chain system one way signal, the I/O interface module and integrated form master control pitch control device
One way signal is connected, and the power supply interface module is respectively to integrated form master control pitch control device, electrical measurement module, I/O interface
Module and power supply for exchange.
3. a kind of integrated form wind power master control pitch-controlled system according to claim 2, it is characterised in that: the interchanger includes
Communication switcher in wind field communication switcher and cabinet；The I/O interface module receives anemoclinograph, temperature sensor, vibration
The data information that sensor, vibroswitch, yaw counter, yaw limit switch, speed probe and wheel speed switch；Institute
It states electrical measurement module and receives voltage signal, current signal, active power, reactive power and phase angle information.
4. a kind of integrated form wind power master control pitch-controlled system according to claim 2, it is characterised in that: the power interface
Module, it is integrated that the input power of integrated form pitch control cabinet, which is converted to 24V DC power supply etc. by AC/DC conversion or DC/DC,
Formula pitch control device, interchanger, man-machine interface provide power supply；
The integrated form pitch control device is the carrier of the algorithm design of fan master control system and pitch-controlled system, store master control with
The application program of pitch-controlled system；
The electrical measurement module can directly measure six road voltages of highest 690V AC phase voltage, and three-phase current can pass through secondary
The module is accessed for the current transformer of 1A or 5A；
The I/O interface module can be included in the PT-100 temperature signal of multichannel, voltage and current analog input signal, positive and negative
The On-off signal signal of logic, the On-off signal signal with frequency measurement ability, the output of analog quantity electric current and switching value
Output signal；
The CANopen communication module undertakes the data interaction between integrated form master control pitch control device and driver, for passing
The state for the instructions and driver that defeated integrated form master control pitch control device is assigned is fed back；
The interchanger is separately positioned in engine room control cabinet and frequency converter control cabinet, and operation panel and master controller pass through the friendship
Change planes and communicated, also provided the interchanger of same model in frequency-conversion control cabinet, two interchangers by single mode optical fiber into
Row communication.
5. a kind of integrated form wind power master control pitch-controlled system according to claim 2, it is characterised in that: the safety chain system
It independently of software, is connected in series by a series of normally-closed contacts and is connected to 24VDC, each normally-closed contact in theft-resistant link chain is for monitoring
A kind of security restriction condition, only each contact just can be such that secure link tentaculum is active when being at closed state；
Even any one contact disconnects of short duration disconnection in theft-resistant link chain theft-resistant link chain relay can also disconnected, to make at theft-resistant link chain
In the state disconnected always；Even if only one contact is in an off state, entire theft-resistant link chain will be in an off state and not
It can be reset；Before thus blade executes safe variable pitch operation, and failure does not reset, blower can not be started automatically again；
The man-machine interface is located at cabin control cabinet, is operated by the panel to blower, browses fan operation state and sets
Set parameters.
6. a kind of integrated form wind power master control pitch-controlled system according to claim 1, it is characterised in that: the pitch drive cabinet
Including power supply interface module, backup power supply, charger, charger CANopen communication module, servo-driver, servo-driver
CANopen communication module, periphery I/O circuit, heating system, lighting system, safety chain system；The servo-driver and servo
Driver CANopen communication module one way signal is connected, and tells rear charger and charger CANopen communication module one way signal
It is connected, the servo-driver CANopen communication module is connected with charger CANopen communication module one way signal, described outer
It encloses I/O circuit to be connected with servo-driver one way signal, the power supply interface module is to charger, servo-driver, heating
System and lighting system power supply, the charger are connected with charger CANopen communication module signal.
7. a kind of integrated form wind power master control pitch-controlled system according to claim 6, it is characterised in that: the power interface mould
220VAC is converted to 24VDC power supply by block, is each generic module, relay power supply；
The backup power supply is lithium battery or super capacitor, after main electric network power-fail, provides power supply by it for driver, is carried out
Emergency propeller retraction protection；
The charger, when backup power supply off-capacity, by it by obtaining the power supply of power grid as backup power supply charging, until
Until being charged to setting value；
The charger CANopen communication module undertakes the data interaction between charger and integrated master control pitch control device, to
Integrated form master control pitch control device feeds back cell voltage, capacity, temperature and charger state.
8. a kind of integrated form wind power master control pitch-controlled system according to claim 6, it is characterised in that: the servo-driver
The DC power supply of power supply and backup battery of the primary recipient from power grid, and power supply is provided for pitch motor, mainly undertake change
The servo-drive task of paddle motor, control pitch motor are rotated forward, are inverted, accelerate, slow down, and the functions such as start and stop realize split paddle,
It puts away the oars, emergency propeller retraction function；
The servo-driver CANopen communication module undertakes the letter between servo-driver and integrated form host pitch control device
Number interaction；
The periphery I/O circuit is blade position switch, temperature signal, emergency-stop signal, enable signal, theft-resistant link chain circuit letter
Number equal input interfaces and variable pitch driver failure, the output interface of power failure, backup power supply state output signal；It can incite somebody to action
This signal feeds back to driver and integrated form master control pitch control device.
9. a kind of integrated form wind power master control pitch-controlled system according to claim 6, it is characterised in that: the heating system by
Temperature switch and heater composition, are arranged in pitch control cabinet near battery, temperature switch measure in-cabinet temperature it is lower or
When person's battery temperature is too low, start heater, is that element or backup power supply provide the environment of a normal work in variable pitch cabinet
Temperature；
The lighting system is arranged outside pitch control cabinet cabinet door, and the operation for variable pitch operation maintenance personnel provides illumination；
The safety chain system is connected in series and connects independently of the safety chain system in software, with integrated form master control pitch control cabinet
There is 24VDC, for monitoring a kind of security restriction condition, only each contact is at each normally-closed contact in cabinet in theft-resistant link chain
Just secure link tentaculum can be made to be active when closed state；Even any one contact disconnects of short duration in theft-resistant link chain
Disconnection can also be such that theft-resistant link chain relay disconnects, so that theft-resistant link chain be made to be in the state disconnected always；It is automatic that this will trigger driver
Emergency propeller retraction.
10. a kind of integrated form wind power master control pitch-controlled system according to claim 6, it is characterised in that: the servo-drive
Device is received heartbeat signal, propeller pitch angle letter from integrated master control pitch control device by its CANopen communication module and instructed, simultaneously
Pitch motor temperature, band-type brake state, operating status, position signal are fed back to it；System is monitored by peripheral I/O circuit simultaneously
Theft-resistant link chain loop state, the different location signal feedback of blade, manual variable pitch signal；When the servo-driver receives theft-resistant link chain
When circuit cut-off signal or the CANopen heartbeat signal for receiving master control pitch control device disappear, safe mode can be triggered, is watched
It takes driver automatic safe and puts away the oars operation to 92 degree of positions.
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| CN201810811465.3A CN109058042A (en) | 2018-07-23 | 2018-07-23 | A kind of integrated form wind power master control pitch-controlled system |
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| CN110748455A (en) * | 2019-11-29 | 2020-02-04 | 中国华能集团清洁能源技术研究院有限公司 | Redundant feathering system and method for controlling wind power variable pitch |
| CN111911363A (en) * | 2020-08-17 | 2020-11-10 | 国电东北新能源发展有限公司 | Fault snapshot system of direct-current variable pitch system of wind turbine generator and monitoring method thereof |
| CN113446153A (en) * | 2020-03-27 | 2021-09-28 | 北京金风科创风电设备有限公司 | Propeller opening protection method, controller and system of wind generating set |
| CN114320743A (en) * | 2022-03-03 | 2022-04-12 | 东方电气风电股份有限公司 | Integrated wind power pitch control system |
| CN114645819A (en) * | 2022-05-19 | 2022-06-21 | 东方电气风电股份有限公司 | Wind power variable pitch control method, device and system and storage medium |
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Application publication date: 20181221 |