CN203257603U - Novel debugging device for variable-pitch system of wind generating set - Google Patents
Novel debugging device for variable-pitch system of wind generating set Download PDFInfo
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- CN203257603U CN203257603U CN2012206933333U CN201220693333U CN203257603U CN 203257603 U CN203257603 U CN 203257603U CN 2012206933333 U CN2012206933333 U CN 2012206933333U CN 201220693333 U CN201220693333 U CN 201220693333U CN 203257603 U CN203257603 U CN 203257603U
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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
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Abstract
The utility model provides a novel debugging device for a variable-pitch system of a wind generating set. The novel debugging device for the variable-pitch system of the wind generating set comprises an upper computer, a master station device and a variable-pitch device, wherein the upper computer is connected with the master station device through the Ethernet, the master station device is connected with the variable-pitch device through a CANopen bus, a user reads information of the variable-pitch system through a human-computer interface of the upper computer, and carries out corresponding operation on the variable-pitch system, programs of the master station device carry out processing on state information of the variable-pitch system and control commands of the upper computer, and the variable-pitch system transmits all the state information to the master station device and receives control commands sent by the master station device to carry out variable-pitch movement and the like. According to the technical scheme, the novel debugging device for the variable-pitch system of the wind generating set has the advantages that the size of the debugging device can be small, operation is simple and convenient, due to the fact that the Ethernet is used for connecting the upper computer and the master station device, safety and reliability are achieved, and due to the fact that the PDO mode and the SDO mode of CANopen bus communication are used for carrying out data exchange with the variable-pitch device, data exchange is timely and accurate.
Description
Technical field
The utility model belongs to control, conciliation field, especially relates to a kind of for supervision, check, the control platform of wind generating set pitch control apart from system.
Background technique
In existing technology, wind-power generating system mainly comprises three parts: master control, frequency conversion and change oar., in recent years, along with the increase of single-machine capacity with to improving constantly of being incorporated into the power networks and requiring, variable-pitch variable-speed type wind power generating set becomes main flow and development trend gradually.
Variable-pitch variable-speed type wind power generating set adopts variable-pitch control system to carry out the blade angle adjustment, and its major function is: regulate the angle that facings the wind of fan blade under the normal power generation operating mode, thereby input power is carried out dynamic adjustments, improve wind energy utilization; Utilize stored energy mechanism to finish the feathering function under nonserviceabling, guarantee the safety of blower fan.Therefore, whether the safety of pitch-controlled system is directly connected to the normal operation of whole unit, in the workshop it is finished a series of FT function test and just seems and be even more important.
At present, mainly finish debugging to pitch-controlled system by master control system in the workshop.Because master control system control cabinet internal structure is complicated, needing 2-3 people to cooperate just can carry out the work, and any unit failure all can affect debugging in the cabinet; The cabinet space is large, and difficult is difficult for placing; The control software logic is complicated, and non-master control system developer is difficult at short notice it be carried out skilled operation.So for the workshop commissioning staff, how simply, reliably, rapidly the FT function test task of finishing pitch-controlled system in enormous quantities is an important problem.
The model utility content
Problem to be solved in the utility model provides and a kind ofly realizes the control of pitch-controlled system and read the relevant real time data of pitch-controlled system by the CANopen bus communication, be the Wind Turbine Electric Pitch System system of pitch-controlled system in test and the debugging in workshop, especially be fit to the system debug of MW class speed-variable frequency-constant wind-driven generator group electric pitch-changing.
For solving the problems of the technologies described above, the technical solution adopted in the utility model comprises host computer, master station device and vane change device; Host computer is connected with master station device by Ethernet, and master station device is connected with vane change device by the CANopen bus; Vane change device sends to master station device with the information of the vane change device that collects, and master station device is processed the information of vane change device, the user by the host computer Real-time Collection, show vane change device information; The user accesses master station device by host computer, by host computer vane change device is controlled, and the operation of vane change device response host computer becomes oar control.
Further, described master station device comprises CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module, PLC power module and terminal bus module; Described ethernet module is connected with host computer by Ethernet; Described CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module are by the EtherCAT bus communication.
Further, described vane change device comprises TPM power management module, blade control module group, DC servo motor and limit switch; The TPM power management module carries out filtering and lightning protection processing to the input power of vane change device, and conjunction cable between all master station devices and vane change device is protected; Described digital quantity input module, digital output module connect vane change device through the TPM power management module; Described blade control module group comprises and is not less than three control module PCM that control module PCM drive DC servo motor becomes oar by retarder and blade bearing control blade, makes blade turn to specified position.
Further, described DC servo motor arranges encoder.
Further, described blade control module group comprises main control module PCM and other control modules PCM, and other control modules PCM is not less than one; Described main control module PCM communicates by letter with master station device by the CANopen bus, realizes the communication with pitch-controlled system; Other control modules PCM communicates by letter with main control module PCM by the RS485 Field bus.
Further, described limit switch is 91 degree limit switches and 95 degree limit switches; The spacing place of blade emergency feathering to 91 degree stops action at once, and 95 degree limit switches are redundancy protection devices.
Further, described vane change device also comprises and becomes oar cell box EPU, and described change oar cell box EPU is connected with control module PCM module, is that actuating motor is powered when pitch-controlled system fault or external power supply are lost, and the driving blade is to the safe feathering position.
Further, described vane change device also comprises resistance, and described resistance is connected with control module PCM, is vane change device current limliting, dividing potential drop.
A kind of novel wind generator group of the utility model pitch-variable system adjustment method, its step is as follows:
Step 1: use software that the software of master station device is carried out configuration;
Step 2: host computer is by Ethernet and the communication of the PLC of main website controller;
Step 3: master station device is by the data of CANopen communication acquisition vane change device;
Step 4: master station device reads, controls the important hard contact point signal of change oar by digital quantity input module and digital output module;
Step 5: the user carries out fault by host computer to the data of step 3 and step 4 and judges;
Step 6: if under the non-failure conditions, the user controls vane change device by host computer.
Advantage and the good effect that the utlity model has are: owing to adopt technique scheme, make the debugging apparatus volume little, easy and simple to handle; Use Ethernet to connect host computer and master station device, safe and reliable; Use PDO and SDO dual mode and the variable propeller pitch device swap data of CANopen bus communication, promptly and accurately; For the utility model, the commissioning staff can grasp operating method fast, and can this device of skilled operation; Debug time only needs a commissioning staff to use the utility model can finish the FT function test of vane change device in 5 minutes; As long as having common debugging ability to work just can operate the utility model; Simplify debugging step, had simple in structurely, easy to maintenance, reduced the cost of working, advantage that debugging efficiency is high.
Description of drawings
Fig. 1 is structural representation of the present utility model
Among the figure:
1, DC servo motor 2, limit switch 3, change oar cell box EPU
4, main control module PCM 5, other control modules PCM 6, temperature transducer
Embodiment
As shown in Figure 1, the utility model take to the test of three blades as example, concrete technological scheme comprises host computer, master station device, vane change device; Host computer is connected with master station device by Ethernet, and master station device is connected with vane change device by the CANopen bus; Vane change device sends to master station device with the information of the vane change device that collects, and master station device is processed the information of vane change device, the user by the host computer Real-time Collection, show vane change device information; The user accesses master station device by host computer, by host computer vane change device is controlled, and the operation of vane change device response host computer becomes oar control.
Further, described master station device comprises CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module, PLC power module, terminal bus module; Described ethernet module is connected with host computer by Ethernet; Described CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module are by the EtherCAT bus communication.
Further, described vane change device comprises TPM power management module, blade control module group, DC servo motor 1, limit switch 2; The TPM power management module carries out filtering and lightning protection processing to the input power of vane change device, and conjunction cable between all master station devices and vane change device is protected; Described digital quantity input module, digital output module connect vane change device through the TPM power management module; Described blade control module group comprises and is not less than three control module PCM that control module PCM drive DC servo motor 1 becomes oar by retarder and blade bearing control blade, makes blade turn to specified position.
Further, described DC servo motor 1 arranges encoder.
Further, described blade control module group comprises main control module PCM4 and other control modules PCM5, and other control modules PCM5 is not less than one; Described main control module PCM4 communicates by letter with master station device by the CANopen bus, realizes the communication with pitch-controlled system; Other control modules PCM5 communicates by letter with main control module PCM4 by the RS485 Field bus.
Further, described limit switch 2 is the limit switch of 91 degree and the limit switch of 95 degree; The spacing place of blade emergency feathering to 91 degree stops action at once, and the limit switch 2 of 95 degree is redundancy protection devices.
Further, described vane change device also comprises and becomes oar cell box EPU3, and described change oar cell box EPU3 is connected with control module PCM module, is that actuating motor is powered when pitch-controlled system fault or external power supply are lost, and the driving blade is to the safe feathering position.
Further, described vane change device also comprises resistance, and described resistance is connected with control module PCM, is vane change device current limliting, dividing potential drop.
Host computer can realize that by ICP/IP protocol host computer is to remote operation, resource-sharing and the networking of master station device; Master station device comprises PLC controller, PLC power module, CANopen bus module, digital quantity input module, digital output module, ethernet module and terminal bus module, by the EtherCAT bus communication, finish the control to whole system between described PLC controller, PLC power module, CANopen bus module, digital quantity input module, digital output module, ethernet module, the terminal bus module; Vane change device is the terminal of feather control, mainly formed by blade control module, DC servo motor 1, motor encoder, temperature transducer 6, limit switch 2 and change oar cell box EPU3 etc., finish the detection and the order of uploading, receive and carry out master station device of physical quantity, realize the safe and reliable operation of whole pitch-controlled system.
Described host computer: use common PC to get final product, the Application standard netting twine connects the RJ45 interface communicates by letter with the PLC controller, by telnet CERHOST the PLC controller is conducted interviews;
Described main website forms: the PLC controller adopts the CX1020-0111 of Beckhoff, the PLC power module adopts CX1100-0004, the CANopen bus module adopts EL6751 to carry out communication, input and output are counted according to system, the digital quantity input module EL1008 of 8 passages of configuration and the digital output module EL2008 of 8 passages adopt the EtherCAT bus communication between the module.
Described pitch-controlled system chief component: the direct current pitch-controlled system axle box that three blades of U.S. Windurance company are independently controlled, compound-wound DC servo motor 1, control module PCM adopts the motor encoder of absolute value+increment size, the change oar cell box EPU3 of intelligent charge and management function etc.
The TPM power management module adopts 3 phase 400VAC and 230VAC ac power supply to control to pitch-controlled system through switch and powers; Simultaneously, for power supply being provided to the utility model and for the hardwire of vane change device provides source signal, disposing a 230VAC/24VDC(5A) switch power; Controller is controlled pitch-controlled system emergency feathering EFC signal and Bypass signal through the trigger relay of digital output module; The PLC controller is monitored Watchdog signal, spindle speed signal, change oar glitch signal, battery voltage signal and the blade of vane change device at the hardwire input signal of feathering position through digital quantity input module, after control program judges processing, vane change device is controlled accordingly.
The job step of novel wind generator group pitch-variable system adjustment method is as follows:
Step 1: use software that the software of master station device is carried out configuration;
Step 2: host computer is by Ethernet and the communication of the PLC of main website controller;
Step 3: master station device is by the data of CANopen communication acquisition vane change device;
Step 4: master station device reads, controls the important hard contact point signal of change oar by digital quantity input module and digital output module;
Step 5: the user carries out fault by host computer to the data of step 3 and step 4 and judges;
Step 6: if under the non-failure conditions, the user controls vane change device by host computer.
The specific works process of this example is as follows: the TwinCAT software of use Beckhoff carries out configuration to the software of master station device, program is used the ST language compilation that meets IEC 61131-3 standard, according to vane change device information and the interpersonal interface of operating habit design debug platform, download to the PLC controller after the program compilation and generate self-starting Boot file.The commissioning staff uses telnet CERHOST login PLC controller by host computer, and variable propeller pitch device is carried out a series of operation.
Following order is followed in operation: behind the variable propeller pitch device connection setup, comprise from the data that variable propeller pitch device reads by the CANopen bus communication: status word (system mode word, blade status word and cell box status word), current measurement value (blade A, B encoder position value, temperature value, current of electric, torque value etc.), fault word (variable propeller pitch device fault word, blade fault word, cell box fault word etc.) and digital quantity input signal, digital output signal etc.In addition, the data of the vane change device hardwire signal that reads in conjunction with digital quantity input module and digital output module (EFC, become oar house dog, rotating speed OK etc.) can be recognized the current state of variable propeller pitch device.Simultaneously, after activating the change oar under the variable propeller pitch device non-failure conditions, the user can proceed as follows vane change device by man-machine interface: three blade synchronizing movings, the single-blade leaf moves, three blade sin curves move automatically, and the encoder reference value of DC servo motor 1 of blade and the FT function test of other vane change devices are set.PLC controller software control logic is followed the vane change device state machine.Debugging software belongs to the Event triggered mode, and its function that can realize comprises:
Can carry out CANopen bus communication PDO mode, in time receive the status word and the control word that sends to variable propeller pitch device of variable propeller pitch device;
By status word and the fault word of different colours demonstration variable propeller pitch device, determine fast system mode;
Can pass through CANopen bus communication SDO mode, read voltage, internal resistance, temperature and the battery status of every battery of cell box;
Can be by the security information of digital quantity input signal monitoring variable propeller pitch device;
Can become oar EFC and Bypass signal by the control of digital output signal;
Can control change oar three blades or single-blade leaf manually moves;
Can control variable propeller pitch device automatically operation in the specified angle scope;
Can show motor encoder measured value waveform, be convenient to angle value is carried out intuitive analysis;
The motor encoder reference value can be set.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (8)
1. a novel wind generator group pitch-variable system debugging apparatus is characterized in that: comprise host computer, master station device and vane change device; Host computer is connected with master station device by Ethernet, and master station device is connected with vane change device by the CANopen bus; Vane change device sends to master station device with the information of the vane change device that collects, and master station device is processed the information of vane change device, the user at host computer by man-machine interface Real Time Observation vane change device information; The user accesses master station device by host computer, vane change device is controlled by man-machine interface at host computer, and the operation of vane change device response host computer becomes oar control.
2. novel wind generator group pitch-variable system debugging apparatus according to claim 1, it is characterized in that: described master station device comprises CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module, PLC power module and terminal bus module; Described ethernet module is connected with host computer by Ethernet; Described CANopen bus module, ethernet module, PLC controller, digital quantity input module, digital output module are by the EtherCAT bus communication.
3. novel wind generator group pitch-variable system debugging apparatus according to claim 1, it is characterized in that: described vane change device comprises TPM power management module, blade control module, DC servo motor and limit switch; The TPM power management module carries out filtering and lightning protection processing to the input power of vane change device, and conjunction cable between all master station devices and vane change device is protected; Described digital quantity input module, digital output module connect vane change device through the TPM power management module; Described blade control module comprises and is not less than three control module PCM that control module PCM drive DC servo motor becomes oar by retarder and blade bearing control blade.
4. novel wind generator group pitch-variable system debugging apparatus according to claim 3, it is characterized in that: described DC servo motor arranges encoder.
5. novel wind generator group pitch-variable system debugging apparatus according to claim 3 is characterized in that: described blade control module comprises main control module PCM and other control modules PCM, and other control modules PCM is not less than one; Described main control module PCM communicates by letter with master station device by the CANopen bus, realizes the communication with pitch-controlled system; Other control modules PCM communicates by letter with main control module PCM by the RS485 Field bus.
6. novel wind generator group pitch-variable system debugging apparatus according to claim 3 is characterized in that: described limit switch is 91 degree limit switches and 95 degree limit switches; The spacing place of blade emergency feathering to 91 degree stops action at once, and 95 degree limit switches are redundancy protection devices.
7. novel wind generator group pitch-variable system debugging apparatus according to claim 2, it is characterized in that: described vane change device also comprises change oar cell box EPU, described change oar cell box EPU is connected with control module PCM, be the actuating motor power supply when pitch-controlled system fault or external power supply are lost, drive blade to the safe feathering position.
8. novel wind generator group pitch-variable system debugging apparatus according to claim 2, it is characterized in that: described vane change device also comprises resistance, described resistance is connected with control module PCM, is vane change device current limliting, dividing potential drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206933333U CN203257603U (en) | 2012-12-14 | 2012-12-14 | Novel debugging device for variable-pitch system of wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206933333U CN203257603U (en) | 2012-12-14 | 2012-12-14 | Novel debugging device for variable-pitch system of wind generating set |
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| CN203257603U true CN203257603U (en) | 2013-10-30 |
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| CN2012206933333U Withdrawn - After Issue CN203257603U (en) | 2012-12-14 | 2012-12-14 | Novel debugging device for variable-pitch system of wind generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266986A (en) * | 2012-12-14 | 2013-08-28 | 天津瑞能电气有限公司 | Method and device for debugging variable-pitch system of wind generating set |
| CN109989881A (en) * | 2019-05-21 | 2019-07-09 | 国电联合动力技术有限公司 | Control device and its control method and unit for single blade of wind turbine lifting |
| CN113454336A (en) * | 2021-04-25 | 2021-09-28 | 远景能源有限公司 | Variable-pitch installation and debugging system and operation method thereof |
-
2012
- 2012-12-14 CN CN2012206933333U patent/CN203257603U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266986A (en) * | 2012-12-14 | 2013-08-28 | 天津瑞能电气有限公司 | Method and device for debugging variable-pitch system of wind generating set |
| CN103266986B (en) * | 2012-12-14 | 2016-08-03 | 天津瑞能电气有限公司 | A kind of wind generating set pitch control is away from system debug device |
| CN109989881A (en) * | 2019-05-21 | 2019-07-09 | 国电联合动力技术有限公司 | Control device and its control method and unit for single blade of wind turbine lifting |
| CN113454336A (en) * | 2021-04-25 | 2021-09-28 | 远景能源有限公司 | Variable-pitch installation and debugging system and operation method thereof |
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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: 20131030 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |