CN201527331U - Vibration experiment bench for doubly fed wind turbine generator - Google Patents
Vibration experiment bench for doubly fed wind turbine generator Download PDFInfo
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- CN201527331U CN201527331U CN2009202481903U CN200920248190U CN201527331U CN 201527331 U CN201527331 U CN 201527331U CN 2009202481903 U CN2009202481903 U CN 2009202481903U CN 200920248190 U CN200920248190 U CN 200920248190U CN 201527331 U CN201527331 U CN 201527331U
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Abstract
The utility model provides a vibration experiment bench for doubly fed wind turbine generator, which mainly comprises an electric control system for the experiment bench, a servo motor and a doubly fed generator. The servo motor is attached to the doubly fed generator through a gearbox on the side of the servo motor and a gearbox on the side of the generator. The electric control system for the experiment bench comprises a control system, a servo driver, an excitation frequency converter and a data collecting and displaying unit, wherein the servo driver, the frequency converter and the data collecting and displaying unit are all connected to the control system, the servo driver is also connected to the servo motor, the doubly fed generator is connected to the excitation frequency converter on one hand, while connected to the control system through a grid-connected contactor, vibration sensors are provided on the servo motor, the gearbox on the side of the servo motor, the gearbox on the side of the generator, and the doubly fed type generator, the vibration senor is connected to the data collecting and displaying unit through a data collecting unit. The vibration experiment bench has great effect on design and research for the wind power generation control system.
Description
Technical field: the utility model relates to a kind of vibration of wind generating set experimental system, particularly adopts the vibration experiment table of the wind power generating set of double-fed generator.
Background technology: at present, because domestic wind-power electricity generation industry is started late, the manufacturing technology of wind power generating set is ripe not enough, wind power generating set is in the operation phase, generally need the service technician of specialty that unit is made regular check on and safeguarded, during examination and maintenance, the professional must have the deep knowwhy and the practical experience of relevant wind power generating set.This just needs personnel to experimentize and accumulate experience on the unit of reality, does many shortcomings like this, at first is the wind power generating set more complicated, in blower fan system except generator, also has pitch-variable system, hydraulic system, yaw system, brake system, gear case, control system or the like, and influence each other between each system, such complexity and various system bring great inconvenience to experiment, have increased the cycle and the difficulty of experiment greatly; Secondly, the height of main flow wind power generating set all is that cabin space is narrower and small more than tens meters, goes wrong unavoidably in the experimentation and danger, and the experimenter will travel to and fro between between blower fan and the ground and check that conventional efficient reduces greatly; Have, wind is at random again, does not control the variation of wind in experiment, accident can occur, brings difficulty to experiment; Simultaneously, the cost problem in the experimentation is particularly vibrated the simulation of situation, and cost is too big, is unfavorable for the saving fund.
When carrying out the vibration experiment of wind power generating set, adopt mostly and replace actual wind power generating set with other motors or equipment in simple experiment on the actual set or in the laboratory, but can not fully simulate the state and the vibration situation of wind power generating set like this, can not react the operating condition of unit reality really, thus the effect of influence experiment.
Summary of the invention:
Goal of the invention: the utility model provides a kind of vibration experiment table of double-fed wind power generator group, its objective is that the cycle that occurs in the solution prototype experimental technique in the past is long, difficulty is big, efficient is low, cost is high and the inaccurate problem of experimental data.
Technical scheme: the utility model is achieved through the following technical solutions:
A kind of vibration experiment table of double-fed wind power generator group is characterized in that: described experiment table mainly comprises experiment table electric-control system, servomotor and double-fed generator; Described servomotor is connected with double-fed generator with generator side gear case by servomotor side gear case; Described experiment table electric-control system comprises control system, servo-driver, excitation converter and data acquisition display unit; Described servo-driver, frequency converter and data acquisition display unit all are connected with control system, and described servo-driver also is connected with servomotor; Double-fed generator is connected with excitation converter on the one hand, is connected to control system by the contactor that is incorporated into the power networks on the other hand; Be provided with vibration transducer on described servomotor, servomotor side gear case, generator side gear case and double-fed generator, all vibration transducers are connected to the data acquisition display unit by the vibrating data collection unit.
Described servo-driver respectively with servomotor on scrambler and servomotor in power input part divide and be connected; The contactor that is incorporated into the power networks is connected to the motor stator in the double-fed generator; Excitation converter is connected with rotor in the double-fed generator respectively at the scrambler on the double-fed generator.
Described control system mainly comprises data acquisition display unit, master controller, protection loop, power circuit, man-machine communication unit and speed detection unit; Described protection loop and electric power loop insert the laboratory electrical network when in use; Power input part in the described servomotor divides protection loop and the electric power loop that is connected to control system by servo-driver; The output terminal of the described contactor that is incorporated into the power networks is connected to the motor stator in the double-fed generator, input end be connected in the control system protection loop and electric power loop.The input side current transformer of described frequency converter by inside is connected to protection loop and the electric power loop in the control system.
Advantage and effect: the utility model provides a kind of vibration experiment table of double-fed wind power generator group, and described experiment table mainly comprises experiment table electric-control system, servomotor and double-fed generator; Described servomotor is connected with double-fed generator with generator side gear case by servomotor side gear case; Described experiment table electric-control system comprises control system, servo-driver, excitation converter and data acquisition display unit; Described servo-driver, frequency converter and data acquisition display unit all are connected with control system, described servo-driver also is connected with servomotor, double-fed generator is connected with excitation converter on the one hand, is connected to control system by the contactor that is incorporated into the power networks on the other hand; Be provided with vibration transducer on described servomotor, servomotor side gear case, generator side gear case and double-fed generator, all vibration transducers are connected to the data acquisition display unit by the vibrating data collection unit.
Servomotor in the vibration experiment table of described double-fed wind power generator group is connected with servo-driver, servomotor links to each other with the input shaft of double-fed generator with generator side gear case by servomotor side gear case, the motor stator of double-fed generator and the simulation of control system contactor one end that is incorporated into the power networks links to each other, the other end of contactor of being incorporated into the power networks links to each other with breadboard simulation electrical network, the rotor of double-fed generator links to each other with the outgoing side of excitation converter, the input side of excitation converter is connected with electrical network by control system, and the tach signal of double-fed generator directly is given to excitation converter.The vibrating data collection unit is sent to the data acquisition display unit to data by the vibration transducer of each vibration monitoring point, and some other in addition electric quantity signal also is sent to the data acquisition display unit.The action of whole experiment table is coordinated and controlled to the experiment table control system, protection, parts such as power supply.
The course of work of the present utility model is as follows:
In case of questions or fault alarm then 1) begin self-check program after system powers on, check whether whole experiment table state is normal.
2) after experiment table normally powered on, experiment table was in the beamhouse operation state, and vibration acquisition unit this moment, the data when static were sent to the data acquisition display unit experiment table.
3) pass through man-machine interface, the operational mode of Control Servo System, operational mode can be speed control or torque control, after the operational mode that is provided with, by man-machine interface, input speed or torque instruction start the rotor-exciting frequency converter, adjustment rotor excitation current etc. has related parameter, and whether observe tach signal normal.Simultaneously, check whether the work of vibrating data collection unit is normal, and whether data transmission is continuous, pays special attention to the influence of electromagnetic interference (EMI) to vibration data.
4), observe signals such as double-fed generator stator side voltage and vibration data by man-machine interface and data acquisition display unit.Wait condition satisfies, and can closedly simulate the contactor that is incorporated into the power networks, and observes the variation of relevant electric quantity signal and vibration data.
5) adjust rotating speed or torque, about the variation and the trend of electric quantity signal and vibration data.
6) under the condition of assurance personnel and device security, increase or minimizing load or heavy burden at each vibration monitoring point that designs in advance, reach the vibrating effect that changes vibration detection point.
The utility model is according to the air dynamic behaviour and the double-fed wind power generator group design feature of actual blower fan, do not possessing the actual condition that laboratory under the actual wind field environment also can simulate blower fan, bringing great convenience to the vibration experiment of double-fed generator group; Simultaneously, the experiment table of this utility model can arbitrarily be provided with different rotating speeds and torque, to reach the needs of different operating characteristic; Can also change the load or the heavy burden of each vibration monitoring point, to reach the needs of different wind regime of different wind power generating set and load; And servo-drive system, exciter control system, vibrational system can independent regulation and operation, provides great convenience to the experimenter.The utility model carries out the modification of parameter according to different double-fed wind power generator group models, can simulate the operation of different double-fed generator groups.
This utility model is rational in infrastructure, and simulation is strong, and experimental data is true and reliable, can use manpower and material resources sparingly greatly, has good effect for the design and the research work of wind-driven power generation control system.
Description of drawings:
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Embodiment: the present invention is described further below in conjunction with accompanying drawing:
As shown in Figure 1, the utility model provides a kind of vibration experiment table of double-fed wind power generator group, and described experiment table mainly comprises experiment table electric-control system 15, servomotor 7 and double-fed generator 8; Described servomotor 7 is connected with double-fed generator 8 with generator side gear case 11 by servomotor side gear case 10; Make servomotor 7 and double-fed generator 8 rotate synchronously; The rotation of servomotor 7 is used for simulating the acting characteristic of actual wind wheel, can simulate actual condition more accurately, and it is relatively good that dynamic perfromance and steady-state error are also controlled.
Described experiment table electric-control system 15 comprises control system 1, servo-driver 3, excitation converter 4 and data acquisition display unit 2; Described servo-driver 3, frequency converter 4 and data acquisition display unit 2 all are connected with control system 1, described servo-driver 3 also is connected with servomotor 7, double-fed generator 8 is connected with excitation converter 4 on the one hand, is connected to control system 1 by the contactor 5 that is incorporated into the power networks on the other hand; Be provided with vibration transducer on described servomotor 7, servomotor side gear case 10, generator side gear case 11 and double-fed generator 8, all vibration transducers are connected to data acquisition display unit 2 by vibrating data collection unit 12.
Described servo-driver 3 respectively with servomotor 7 on scrambler 12 and servomotor 7 in power input part divide 17 to be connected; That is to say that the input end of servo-driver 3 is connected to the electric power loop of control system 1, thereby access power supply, the power input part that the output terminal of servo-driver 3 is connected in the servomotor 7 divides 14, and the scrambler 13 of servomotor 7 feeds back to servo-driver 3 to tach signal;
Motor stator 9 in the described double-fed generator 8 is connected to the contactor 5 that is incorporated into the power networks, and the described input end that is incorporated into the power networks contactor 5 is connected to protection loop and the power circuit in the control system 1; That is to say that the motor stator 9 in the double-fed generator 8 is connected to laboratory electrical network 16 by protection loop in the control system 1 and power circuit; Rotor 6 in the double-fed generator 8 is connected to the output terminal of excitation converter 4; And excitation converter 4 is connected to protection loop and power circuit in the control system 1 by the input side current transformer, just is connected with laboratory electrical network 16; Described double-fed generator 8 also is connected to excitation converter 4 by scrambler 14, that is to say that the scrambler 11 on the double-fed generator 8 feeds back to frequency converter 3 to rotor-position and rate signal.
Described control system 1 mainly comprises data acquisition display unit, master controller, protection loop, power circuit, man-machine communication unit and speed detection unit etc.; This structure also is known, does not here do and gives unnecessary details, and described protection loop and electric power loop insert laboratory electrical network 16 when in use; Power input part in the described servomotor 7 divides 17 to pass through the protection loop and the electric power loop of servo-driver 3 access control systems 1 when in use, and then inserts the laboratory electrical network;
And frequency converter 4 also is known input side current transformer, d-c bridge, outgoing side current transformer and DSP control loop etc.; Electric quantity acquisition display unit 2 is returned the electric quantity signal collection of each check point and is presented in the system.
Vibrating data collection unit 12 is sent to data acquisition display unit 2 to data by the vibration transducer of each vibration monitoring point, described each vibration transducer that is connected with vibrating data collection unit 12 can be selected low-frequency shock transducer or intermediate frequency vibration transducer respectively according to the frequency band of each vibration monitoring point of experiment table, helps the validity and the accuracy of data like this; Some other in addition electric quantity signal also is sent to data acquisition display unit 2; The action of whole experiment table, protection, parts such as power supply are coordinated and controlled to control system 1.
Dotted line among Fig. 1 signal vibration data from vibration transducer to the link transmission the vibrating data collection unit 12.
Principle of work of the present utility model is: at first the experiment table of this utility model powers on and carries out self check, and experiment table is in the beamhouse operation state, and vibrating data collection unit 12 this moment, the data when static were sent to data acquisition display unit 2 experiment table.Can control servo-driver 3 and servomotor 7 enters the servo-drive system running status by the man-machine interface of control system 1, comprise that rotating speed control and torque control.When at this moment speed and torque reach requiring of double-fed electricity generation system, can start excitation converter 4, enter the excitation system running status by the man-machine interface in the control system 1.Rotor 6 exciting currents of double-fed generator 8 are controlled by excitation converter 4, can adjust exciting current by the man-machine interface of control system 1.So just can obtain the relevant data in the process that this utility model turns round continuously, comprise electric quantity data and vibration data.Simultaneously, the experiment table of this utility model can arbitrarily be provided with different rotating speeds and torque, to reach the needs of different operating characteristic; Can also change the load or the heavy burden of each vibration monitoring point, to reach the needs of different wind regime of different wind power generating set and load; Just doing like this can be relevant data combine difference and identical point.And servo-driver 3, servomotor 7, excitation converter 4, vibrating data collection unit 12 and data acquisition display unit 2 can independent regulation and operations, provide great convenience to the experimenter.The utility model carries out the modification of parameter according to different double-fed wind power generator group models, can simulate the operation of different double-fed generator groups.The described vibration transducer that is arranged on servomotor 7, servomotor side gear case 10, generator side gear case 11 and the double-fed generator 8 just can be with data transmission to vibrating data collection unit 12 and then transfer to data acquisition display unit 2 and finish data acquisition, and these data are true and reliable.
This utility model is rational in infrastructure, and simulation is strong, and experimental data is true and reliable, can use manpower and material resources sparingly greatly, has good effect for the design and the research work of wind-driven power generation control system.
Claims (3)
1. the vibration experiment table of a double-fed wind power generator group, it is characterized in that: described experiment table mainly comprises experiment table electric-control system (15), servomotor (7) and double-fed generator (8); Described servomotor (7) is connected with double-fed generator (8) with generator side gear case (11) by servomotor side gear case (10); Described experiment table electric-control system (15) comprises control system (1), servo-driver (3), excitation converter (4) and data acquisition display unit (2); Described servo-driver (3), frequency converter (4) and data acquisition display unit (2) all are connected with control system (1), and described servo-driver (3) also is connected with servomotor (7); Double-fed generator (8) is connected with excitation converter (4) on the one hand, is connected to control system (1) by the contactor that is incorporated into the power networks (5) on the other hand; Be provided with vibration transducer on described servomotor (7), servomotor side gear case (10), generator side gear case (11) and double-fed generator (8), all vibration transducers are connected to data acquisition display unit (2) by vibrating data collection unit (12).
2. the vibration experiment table of a kind of double-fed wind power generator group according to claim 1 is characterized in that: described servo-driver (3) respectively with servomotor (7) on scrambler (12) and servomotor (7) in power input part branch (17) be connected; The contactor (5) that is incorporated into the power networks is connected to the motor stator (9) in the double-fed generator (8); Excitation converter (4) is connected with the interior rotor (6) of double-fed generator (8) respectively at the scrambler (14) on the double-fed generator (8).
3. the vibration experiment table of a kind of double-fed wind power generator group according to claim 2 is characterized in that: described control system (1) mainly comprises data acquisition display unit, master controller, protection loop, power circuit, man-machine communication unit and speed detection unit; Described protection loop and electric power loop insert laboratory electrical network (16) when in use; Power input part branch (17) in the described servomotor (7) is connected to the protection loop and the electric power loop of control system (1) by servo-driver (3); The output terminal of the described contactor that is incorporated into the power networks (5) is connected to the motor stator (9) in the double-fed generator (8), input end be connected in the control system (1) protection loop and electric power loop; The input side current transformer of described frequency converter (4) by inside is connected to protection loop and the electric power loop in the control system (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202481903U CN201527331U (en) | 2009-11-17 | 2009-11-17 | Vibration experiment bench for doubly fed wind turbine generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202481903U CN201527331U (en) | 2009-11-17 | 2009-11-17 | Vibration experiment bench for doubly fed wind turbine generator |
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| CN2009202481903U Expired - Fee Related CN201527331U (en) | 2009-11-17 | 2009-11-17 | Vibration experiment bench for doubly fed wind turbine generator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261947A (en) * | 2011-04-25 | 2011-11-30 | 上海电机学院 | Vibration monitoring and diagnosing device and test device for wind-driven generator |
| CN102636352A (en) * | 2012-04-23 | 2012-08-15 | 华北电力大学 | Simulation experiment system of permanent magnet direct-driven wind turbine generator set |
| CN103185670A (en) * | 2011-12-28 | 2013-07-03 | 三菱重工业株式会社 | Impact load monitoring system and impact load monitoring method for wind turbine for wind power generation |
| CN103259467A (en) * | 2012-02-20 | 2013-08-21 | 华锐风电科技(集团)股份有限公司 | Driving control system of high power wind generator unit |
| CN103970035A (en) * | 2014-05-29 | 2014-08-06 | 西华大学 | Experimental facility for simulating wind turbine |
| CN105790502A (en) * | 2016-03-11 | 2016-07-20 | 广东明阳龙源电力电子有限公司 | General wind power converter experimental platform based on double-fed wind driven generator |
| CN106353057A (en) * | 2015-07-15 | 2017-01-25 | 北京卫星环境工程研究所 | Signal interference eliminating method of electromagnetic vibrating table system |
| KR101825201B1 (en) * | 2017-06-21 | 2018-02-05 | 이재민 | Automatic Measurement and Decision System Test Equipment of Sunroof Motor Unit in Automobile |
| CN108225696A (en) * | 2016-12-21 | 2018-06-29 | 南京农业大学 | Energy shafting torsional oscillation tests system |
| CN109915329A (en) * | 2019-03-11 | 2019-06-21 | 哈尔滨理工大学 | A kind of wind power generating set detection signal imitation processing system |
| CN114323517A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Generator environment test system dragged by rigid shaft |
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2009
- 2009-11-17 CN CN2009202481903U patent/CN201527331U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261947A (en) * | 2011-04-25 | 2011-11-30 | 上海电机学院 | Vibration monitoring and diagnosing device and test device for wind-driven generator |
| CN103185670A (en) * | 2011-12-28 | 2013-07-03 | 三菱重工业株式会社 | Impact load monitoring system and impact load monitoring method for wind turbine for wind power generation |
| CN103259467B (en) * | 2012-02-20 | 2015-09-16 | 华锐风电科技(集团)股份有限公司 | A kind of driving control system of high-power wind-driven generator group |
| CN103259467A (en) * | 2012-02-20 | 2013-08-21 | 华锐风电科技(集团)股份有限公司 | Driving control system of high power wind generator unit |
| CN102636352B (en) * | 2012-04-23 | 2015-01-21 | 华北电力大学 | Simulation experiment system of permanent magnet direct-driven wind turbine generator set |
| CN102636352A (en) * | 2012-04-23 | 2012-08-15 | 华北电力大学 | Simulation experiment system of permanent magnet direct-driven wind turbine generator set |
| CN103970035A (en) * | 2014-05-29 | 2014-08-06 | 西华大学 | Experimental facility for simulating wind turbine |
| CN106353057A (en) * | 2015-07-15 | 2017-01-25 | 北京卫星环境工程研究所 | Signal interference eliminating method of electromagnetic vibrating table system |
| CN105790502A (en) * | 2016-03-11 | 2016-07-20 | 广东明阳龙源电力电子有限公司 | General wind power converter experimental platform based on double-fed wind driven generator |
| CN108225696A (en) * | 2016-12-21 | 2018-06-29 | 南京农业大学 | Energy shafting torsional oscillation tests system |
| CN108225696B (en) * | 2016-12-21 | 2023-06-27 | 南京农业大学 | Energy feedback type shafting torsional vibration testing system |
| KR101825201B1 (en) * | 2017-06-21 | 2018-02-05 | 이재민 | Automatic Measurement and Decision System Test Equipment of Sunroof Motor Unit in Automobile |
| CN109915329A (en) * | 2019-03-11 | 2019-06-21 | 哈尔滨理工大学 | A kind of wind power generating set detection signal imitation processing system |
| CN114323517A (en) * | 2021-12-13 | 2022-04-12 | 陕西航空电气有限责任公司 | Generator environment test system dragged by rigid shaft |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20171117 |