CN110133499A - A kind of method that wind power pitch motor is tested automatically - Google Patents
A kind of method that wind power pitch motor is tested automatically Download PDFInfo
- Publication number
- CN110133499A CN110133499A CN201910359482.2A CN201910359482A CN110133499A CN 110133499 A CN110133499 A CN 110133499A CN 201910359482 A CN201910359482 A CN 201910359482A CN 110133499 A CN110133499 A CN 110133499A
- Authority
- CN
- China
- Prior art keywords
- motor
- pitch
- servo
- pitch motor
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Multiple Motors (AREA)
Abstract
A kind of method that wind power pitch motor is tested automatically, the method detects pitch motor using servo-driver automatically, the servo-driver is connected to host computer, the servo-driver controls the pitch motor rotation, and the information by sensor and detection module monitoring including motor encoder position feedback, encoder speed feedback, current of electric and motor temperature feedback, the host computer starting autotest program test all pitch motors during rotation.The method that wind power pitch motor provided by the present invention is tested automatically can carry out Full Featured automatic test to three independent pitch motors simultaneously, pass through cured test program, objective judgement is carried out to pitch motor abnormal problem that may be present, while guaranteeing to detect pitch motor global function, cost of labor and time cost is greatly saved.
Description
Technical field
The invention belongs to the technical fields of wind turbine pitch system, and in particular to a kind of wind power pitch motor is tested automatically
Method.
Background technique
With the fast development of wind-powered electricity generation industry, people propose higher want to the quality and technical performance of wind-powered electricity generation auxiliary products
It asks.Important composition of the wind power pitch motor as wind-powered electricity generation service brake system, the safety of reliability direct relation complete blower.?
Complete functional test is carried out during factory to pitch motor, has key effect to the reliability of entire blower fan system.
In recent years, the installation quantity of domestic Wind turbines was continuously increased, during large-scale production to pitch motor into
Row product full inspection needs to put into a large amount of costs of labor and time cost.The test of pitch motor at present need using it is a set of include three
The variable pitch cabinet of a control cabinet connects three pitch motors, artificially carries out various test operations, multinomial data is recorded, when expending a large amount of
Between and energy, and related equipment needs to occupy huge space.
Therefore, be badly in need of develop it is a kind of can be to the method that wind power pitch motor is tested automatically.
Summary of the invention
The purpose of the present invention is to provide the method that a kind of pair of wind power pitch motor is tested automatically, the method is utilized
Servo-driver detects the pitch motor of wind power pitch-controlled system automatically.The servo-driver is connected to host computer, institute
Servo-driver control pitch motor rotation is stated, and includes during rotation that motor is compiled by sensor and detection module monitoring
Information including code device position feedback, encoder speed feedback, current of electric and motor temperature feedback, the host computer starting
Autotest program tests all pitch motors.
The pitch motor is three independent pitch motors.
The described method includes: step 1: setting the power type of each pitch motor, by the host computer in order to institute
It states servo-driver and matches corresponding electric machines test parameter；Step 2: being set corresponding to each pitch motor by the host computer
Pitch-controlled system deceleration no-load voltage ratio, to determine the angle of each pitch motor；Step 3: the servo-driver carries out function certainly
Inspection；Step 4: after the completion of driver self-test, the host computer starts autotest program；Step 5: by the host computer to institute
The rotation that servo-driver issues instruction control pitch motor is stated, pitch motor carries out constant speed rotation based on instruction；Step 6: surveying
The function of electromotor brake is tried, whether response delay, the braking maneuver for detecting electromotor brake are effective；Step 7: test motor is compiled
The school zero power energy of code device, after issuing school zero and instructing, whether the encoder position feedback for detecting motor is zeroed；Step 8: test electricity
The code value of machine encoder detects the code value of motor encoder with the presence or absence of jump；Step 9: variable pitch is changed by the host computer
The rotation operating condition of motor makes pitch motor in 0 °~90 ° section cycle rotations；Step 10: testing the electric current of pitch motor, detect
Whether the current of electric in rotation process is normal；Step 11: testing the velocity feedback of motor encoder, detect electricity in rotation process
Whether the velocity feedback of machine encoder is normal；Step 12: testing the function of motor temperature sensor, detect motor in rotation process
Whether temperature feedback is normal；Step 13: pitch motor is turned into 90 ° of positions；Step 14: test is completed.
Further, in step 3, right when occurring abnormal during the servo-driver carries out function self-test
The abnormal conditions are searched and/or are handled, and after abnormal conditions releasing, are executed step 3 again, are driven to the servo
After dynamic device function self-test is normal, automatically into step 4.
Further, in step 6, there is brake response timeout or brake in any one in all pitch motors
The case where motor still rotates after movement is determined as electromotor brake dysfunction, and all pitch motors stop operating at this time, to
After the case where electromotor brake dysfunction releases, step 3 is executed again, it is normal to the servo-driver function self-test
Afterwards, step 4 is automatically returned to.
Further, in step 7, the encoder appearance position of any one pitch motor is fed back in all pitch motors
The case where being not still 0 ° after issuing school zero and instructing 30s, it is determined as zero dysfunction of motor encoder school, at this time all variable pitches
Motor stalls execute step 3 again, watch to described after the case where zero dysfunction of motor encoder school releases
Take driver functions self-test it is normal after, automatically return to step 4.
Further, in step 8, the encoder code value of any one pitch motor jumps in all pitch motors
When, all pitch motors stop operating, and after the abnormal conditions jumped releasing occurs in the encoder code value, execute step again
3, after the servo-driver function self-test is normal, automatically return to step 4.
Further, in step 10, the current of electric of any one pitch motor is greater than 200A in all pitch motors
Continue 3s, is determined as that current of electric is excessive, all pitch motors stop operating at this time, the abnormal feelings excessive to the current of electric
After condition releases, step 3 is executed again and automatically returns to step 4 after the servo-driver function self-test is normal.
Further, in a step 11, for any one pitch motor in all pitch motors, pass through motor position
When feeding back the absolute value of the velocity feedback difference of the motor speed and encoder that calculate greater than 0.5 °/s, it is determined as encoder speed
Feedback is abnormal, and all pitch motors stop operating, and after the abnormal situation of encoder speed feedback releases, executes step again
Rapid 3, after the servo-driver function self-test is normal, automatically return to step 4.
Further, in step 12, after pitch motor is run 15 minutes, any one variable pitch electricity in all pitch motors
When temperature and motor assist the detection temperature gap that the temperature sensor of machine detects are greater than 5 DEG C, it is determined as that motor temperature senses
Device dysfunction, all pitch motors stop operating at this time, after the case where motor temperature sensor dysfunction, releases,
Step 3 is executed again automatically returns to step 4 after the servo-driver function self-test is normal.
The method that wind power pitch motor provided by the present invention is tested automatically can simultaneously to three independent pitch motors into
The Full Featured automatic test of row, by cured test program, by carrying out visitor to pitch motor abnormal problem that may be present
Judgement is seen, while guaranteeing to detect pitch motor global function, cost of labor and time cost is greatly saved.
Detailed description of the invention
Fig. 1 is the flow diagram for the method that a kind of wind power pitch motor of the invention is tested automatically.
Specific embodiment
Further detailed description explanation is done to a specific embodiment of the invention with reference to the accompanying drawing.
The method that wind power pitch motor provided by the present invention is tested automatically is particularly suitable for using servo-driver to three
The function of the independent pitch motor of platform is tested automatically.Servo-driver is connected to host computer, and servo-driver controls variable pitch
The rotation of motor, and include during rotation motor encoder position feedback, coding by sensor and detection module monitoring
Information including device velocity feedback, current of electric and motor temperature feedback.Fig. 1 shows the flow diagram of this method.
As shown in Figure 1, in step sl, the power type of pitch motor is set by host computer, servo-driver is based on
The matching that the power type of pitch motor carries out pitch motor test parameter is corresponding.In step s 2, electricity is set by host computer
Pitch-controlled system deceleration no-load voltage ratio corresponding to machine, determines the angle of pitch motor.
In step s3, servo-driver carries out function self-test, to guarantee the various functions normal reliable of servo-driver.
When occurring abnormal in servo-driver function process of self-test, the abnormal conditions occurred are searched and/or handled, to different
After reason condition releases, step S3 is executed again, until after the self-test of servo-driver function is normal, automatically into following step S4.
In step s 4, host computer starts autotest program, which automatically carries out following step S5
~step S13.
In step s 5, it is issued and is instructed to servo-driver by host computer, control pitch motor carries out constant speed rotation.
In step s 6, whether the function of testing electromotor brake has the response delay of electromotor brake, braking maneuver
Effect is tested.When test is that electromotor brake function is normal, test enters following step S7.Appoint in three pitch motors
There is the case where motor after brake response timeout or brake action still rotates in pitch motor of anticipating, and is determined as motor system
Dynamic device dysfunction, three pitch motors stop operating at this time.After the case where electromotor brake dysfunction releases, hold again
Servo-driver function self-test in row step S3 automatically returns to step S4 after servo-driver function self-test is normal.
In the step s 7, the school zero power energy for testing motor encoder detects the encoder of motor after issuing school zero and instructing
Whether position feedback is zeroed.When the school zero power that test is motor encoder can be normal, test enters following step S8.When three
In platform pitch motor any one pitch motor occur motor encoder position feedback issue school zero instruct 30s after be not still
When 0 ° of the case where, it is determined as zero dysfunction of motor encoder school, three pitch motors stop operating at this time.To motor encoder
After the case where zero dysfunction of school releases, step S3 is executed again and is automatically returned to after servo-driver function self-test is normal
Step S4.
In step s 8, the code value for testing motor encoder surveys the code value of motor encoder with the presence or absence of jump
Examination.When the code value for testing motor encoder is normal, test enters following step S9.When any one in three pitch motors
When the motor encoder code value of pitch motor jumps, three pitch motors stop operating.Occur to motor encoder code value
After the abnormal conditions of jump release, step S3 is executed again and automatically returns to step after servo-driver function self-test is normal
S4。
In step s 9, the rotation operating condition of motor is changed by host computer, control motor turns in 0 °~90 ° section circulations
It is dynamic.After the test of step S9, test enters step S10.
In step slo, current of electric is tested, whether the current of electric detected in rotation process is normal.When test is electricity
When electromechanics stream is normal, test enters following step S11.When the current of electric of any one pitch motor in three pitch motors
When the case where greater than 200A continues 3s, it is determined as that current of electric is excessive, three pitch motors stop operating at this time.To current of electric
After excessive abnormal conditions release, step S3 is executed again and automatically returns to step after servo-driver function self-test is normal
S4。
In step s 11, the velocity feedback of motor encoder is tested, the speed for detecting motor encoder in rotation process is anti-
It whether normal presents.When the velocity feedback that test is motor encoder is normal, test enters following step S12.When for three
Any one in platform pitch motor, motor speed and the encoder speed fed back difference calculated by motor position feedback it is exhausted
When being greater than 0.5 °/S to value, it is determined as that encoder speed feedback is abnormal, three pitch motors stop operating at this time.Device speed to be encoded
After the abnormal situation of degree feedback releases, step S3 is executed again and automatically returns to step after servo-driver function self-test is normal
Rapid S4.
In step s 12, the function of motor temperature sensor is tested, detects whether just motor temperature in rotation process feeds back
Often.When it is normally that motor temperature sensor function is normal that test, which is motor temperature feedback, test enters following step S13.
When the temperature difference for temperature and the motor assist detection that the temperature sensor of any one pitch motor of three pitch motors detects
When value is greater than 5 DEG C, it is determined as motor temperature sensor dysfunction, three pitch motors stop operating at this time.To motor temperature
After the situation of sensor function exception releases, step S3, after servo-driver function self-test is normal, auto-returned are executed again
To step S4.
In step s 13, motor is turned into 90 ° of positions.So far, proceed to step S14, test terminates.
The foregoing is merely to explain presently preferred embodiments of the present invention, it is not intended to do any form to the present invention accordingly
On limitation, therefore, it is all have make any modification or change for the present invention under identical creation spirit, all should include
The invention is intended to the scopes of protection.
Claims (10)
1. a kind of method that wind power pitch motor is tested automatically, the method carries out pitch motor using servo-driver automatic
Detection, it is characterised in that:
The servo-driver is connected to host computer, and the servo-driver controls the pitch motor rotation, and is rotating
In journey by sensor and detection module monitoring include motor encoder position feedback, encoder speed feedback, current of electric with
And the information including motor temperature feedback, the host computer starting autotest program test all pitch motors.
2. the method that wind power pitch motor according to claim 1 is tested automatically, it is characterised in that:
The described method includes:
Step 1: the power type of the pitch motor is set by the host computer, the servo-driver is based on pitch motor
Power type carry out pitch motor test parameter matching it is corresponding；
Step 2: pitch-controlled system deceleration no-load voltage ratio corresponding to each pitch motor is set by the host computer, it is each in order to determine
The angle of a pitch motor；
Step 3: the servo-driver carries out function self-test；
Step 4: after the completion of the self-test of the servo-driver, the host computer starts the autotest program；
Step 5: issuing the rotation of instruction control pitch motor, pitch motor base to the servo-driver by the host computer
Constant speed rotation is carried out in instruction；
Step 6: testing the function of electromotor brake, whether response delay, the braking maneuver for detecting the electromotor brake are effective；
Step 7: testing the school zero power energy of motor encoder, after issuing school zero and instructing, detect the position feedback of motor encoder
Whether it is zeroed；
Step 8: testing the code value of motor encoder, detect the code value of motor encoder with the presence or absence of jump；
Step 9: the rotation operating condition of pitch motor is changed by the host computer, so that pitch motor recycles in 0 °~90 ° sections
Rotation；
Step 10: testing the electric current of pitch motor, whether the electric current for detecting pitch motor in rotation process is normal；
Step 11: testing the velocity feedback of motor encoder, whether just to detect the velocity feedback of motor encoder in rotation process
Often；
Step 12: testing the function of motor temperature sensor, whether normal detect motor temperature feedback in rotation process；
Step 13: motor is turned into 90 ° of positions；
Step 14: test is completed.
3. the method that wind power pitch motor according to claim 1 is tested automatically, it is characterised in that: the pitch motor is
Three independent pitch motors.
4. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 3, when occurring abnormal during the servo-driver carries out function self-test, to the abnormal conditions into
Row is searched and/or processing, after abnormal conditions releasing, executes step 3 again, just to the servo-driver function self-test
Chang Hou, automatically into step 4.
5. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 6, there is variable pitch electricity after brake response timeout or brake action in any one in all pitch motors
The case where machine still rotates is determined as electromotor brake dysfunction, and all pitch motors stop operating at this time, to the motor
After the situation of brake functionality exception releases, step 3 is executed again, after the servo-driver function self-test is normal, automatically
Back to step 4.
6. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 7, the encoder appearance position feedback of any one pitch motor is issuing the finger of school zero in all pitch motors
The case where not still being 0 ° is enabled after 30s, is determined as zero dysfunction of motor encoder school, all pitch motors stop turning at this time
It is dynamic, after the case where zero dysfunction of motor encoder school releases, step 3 is executed again, to the servo-driver function
After energy self-test is normal, step 4 is automatically returned to.
7. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 8, when the encoder code value of any one pitch motor jumps in all pitch motors, all motors stop
Rotation stop is dynamic, after the abnormal conditions jumped releasing occurs in the encoder code value, step 3 is executed again, to the servo-drive
After device function self-test is normal, step 4 is automatically returned to.
8. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 10, the electric current of any one pitch motor continues 3s greater than 200A in all pitch motors, is determined as motor
Electric current is excessive, and all pitch motors stop operating at this time, after the excessive abnormal conditions of the current of electric release, executes again
Step 3, after the servo-driver function self-test is normal, step 4 is automatically returned to.
9. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In a step 11, for any one pitch motor in all pitch motors, the electricity calculated by motor position feedback
When the absolute value of the velocity feedback difference of machine revolving speed and encoder is greater than 0.5 °/s, it is determined as that encoder speed feedback is abnormal, this
Shi Suoyou pitch motor stops operating, and after the abnormal situation of encoder speed feedback releases, executes step 3 again, to
After the servo-driver function self-test is normal, step 4 is automatically returned to.
10. the method that wind power pitch motor according to claim 2 is tested automatically, it is characterised in that:
In step 12, after pitch motor is run 15 minutes, the temperature sensing of any one pitch motor in all pitch motors
When temperature and motor assist the detection temperature gap that device detects are greater than 5 DEG C, it is determined as motor temperature sensor dysfunction, this
Shi Suoyou pitch motor stops operating, and after the case where motor temperature sensor dysfunction releases, executes step again
3, after the servo-driver function self-test is normal, automatically return to step 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359482.2A CN110133499A (en) | 2019-04-30 | 2019-04-30 | A kind of method that wind power pitch motor is tested automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359482.2A CN110133499A (en) | 2019-04-30 | 2019-04-30 | A kind of method that wind power pitch motor is tested automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110133499A true CN110133499A (en) | 2019-08-16 |
Family
ID=67575865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910359482.2A Pending CN110133499A (en) | 2019-04-30 | 2019-04-30 | A kind of method that wind power pitch motor is tested automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110133499A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397866A (en) * | 2020-02-21 | 2020-07-10 | 固安华电天仁控制设备有限公司 | System and method for testing response time of brake of wind power pitch motor |
| CN113638839A (en) * | 2021-08-23 | 2021-11-12 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator system shutdown protection function self-checking method and wind turbine generator system |
| CN114199447A (en) * | 2021-11-26 | 2022-03-18 | 明阳智慧能源集团股份公司 | Online detection method for braking torque of variable-pitch motor brake of wind turbine generator |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959577A (en) * | 2006-06-16 | 2007-05-09 | 袁利彬 | Digit type position sensing device in use for dynamoelectric actuator |
| WO2011112148A1 (en) * | 2010-03-10 | 2011-09-15 | Weng Khin Ho | Test platform for electric motors |
| CN103076570A (en) * | 2013-01-15 | 2013-05-01 | 国电联合动力技术有限公司 | Automatic testing method and device for variable pitch backup power supply of wind generation set |
| CN103257315A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞源电气有限公司 | Wind generating set master control system and motor-driven pitch changing system testing device |
| CN103472406A (en) * | 2013-09-13 | 2013-12-25 | 国电联合动力技术有限公司 | Wind turbine generator unit pitch system standby power supply online automatic detection method and device |
| CN104329221A (en) * | 2014-09-04 | 2015-02-04 | 成都阜特科技股份有限公司 | Paddle retracting method of variable-pitch system |
| CN105257474A (en) * | 2015-11-10 | 2016-01-20 | 四川东方电气自动控制工程有限公司 | Manual paddle varying control system |
| CN105515453A (en) * | 2016-03-02 | 2016-04-20 | 珠海格力电器股份有限公司 | Servo driver brake control circuit |
| CN105606930A (en) * | 2015-12-31 | 2016-05-25 | 新疆金风科技股份有限公司 | Detection platform and detection torque for variable-pitch direct-current driver |
| CN106405414A (en) * | 2016-08-23 | 2017-02-15 | 固安华电天仁控制设备有限公司 | Integrated automatic test device for wind pitch motor |
| CN206092296U (en) * | 2016-09-30 | 2017-04-12 | 山东森源新能源装备制造有限公司 | Feathering drive detection device of feather system |
| CN107544022A (en) * | 2016-06-28 | 2018-01-05 | 沈阳新松机器人自动化股份有限公司 | A kind of detection method and device of motor status |
| CN207908647U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind turbine pitch system permanent magnet synchronous electric apparatus test device |
-
2019
- 2019-04-30 CN CN201910359482.2A patent/CN110133499A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1959577A (en) * | 2006-06-16 | 2007-05-09 | 袁利彬 | Digit type position sensing device in use for dynamoelectric actuator |
| WO2011112148A1 (en) * | 2010-03-10 | 2011-09-15 | Weng Khin Ho | Test platform for electric motors |
| CN103076570A (en) * | 2013-01-15 | 2013-05-01 | 国电联合动力技术有限公司 | Automatic testing method and device for variable pitch backup power supply of wind generation set |
| CN103257315A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞源电气有限公司 | Wind generating set master control system and motor-driven pitch changing system testing device |
| CN103472406A (en) * | 2013-09-13 | 2013-12-25 | 国电联合动力技术有限公司 | Wind turbine generator unit pitch system standby power supply online automatic detection method and device |
| CN104329221A (en) * | 2014-09-04 | 2015-02-04 | 成都阜特科技股份有限公司 | Paddle retracting method of variable-pitch system |
| CN105257474A (en) * | 2015-11-10 | 2016-01-20 | 四川东方电气自动控制工程有限公司 | Manual paddle varying control system |
| CN105606930A (en) * | 2015-12-31 | 2016-05-25 | 新疆金风科技股份有限公司 | Detection platform and detection torque for variable-pitch direct-current driver |
| CN105515453A (en) * | 2016-03-02 | 2016-04-20 | 珠海格力电器股份有限公司 | Servo driver brake control circuit |
| CN107544022A (en) * | 2016-06-28 | 2018-01-05 | 沈阳新松机器人自动化股份有限公司 | A kind of detection method and device of motor status |
| CN106405414A (en) * | 2016-08-23 | 2017-02-15 | 固安华电天仁控制设备有限公司 | Integrated automatic test device for wind pitch motor |
| CN206092296U (en) * | 2016-09-30 | 2017-04-12 | 山东森源新能源装备制造有限公司 | Feathering drive detection device of feather system |
| CN207908647U (en) * | 2018-01-24 | 2018-09-25 | 固安华电天仁控制设备有限公司 | A kind of wind turbine pitch system permanent magnet synchronous electric apparatus test device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397866A (en) * | 2020-02-21 | 2020-07-10 | 固安华电天仁控制设备有限公司 | System and method for testing response time of brake of wind power pitch motor |
| CN113638839A (en) * | 2021-08-23 | 2021-11-12 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine generator system shutdown protection function self-checking method and wind turbine generator system |
| CN114199447A (en) * | 2021-11-26 | 2022-03-18 | 明阳智慧能源集团股份公司 | Online detection method for braking torque of variable-pitch motor brake of wind turbine generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110133499A (en) | A kind of method that wind power pitch motor is tested automatically | |
| CN104698974B (en) | A kind of Digit Control Machine Tool and its adjustment method | |
| US8132448B2 (en) | Steam turbine test facility, low-load test method, and load dump test method | |
| CN107614214B (en) | Trouble-shooter and method for diagnosing faults | |
| CN102678453A (en) | Method and arrangement for detecting blade pitch angle misalignment of rotor blade system of wind turbine | |
| EP3367198A1 (en) | Method for monitoring and diagnosing rotating machines based on signature analysis of electrical signals | |
| CN110119570B (en) | Actually measured data driven wind farm model parameter checking method | |
| US7880473B2 (en) | Non-invasive monitoring and diagnosis of electric machines by measuring external flux density | |
| US9316207B2 (en) | Fault detection device for wind power generator and means of judgment thereof | |
| CN103966804B (en) | Roller washing machine and inertia detection method and device thereof | |
| CN106772052B (en) | Permanent-magnetic synchronous motor rotor initial angle modification method and update the system | |
| CN105606930A (en) | Detection platform and detection torque for variable-pitch direct-current driver | |
| CN103441712A (en) | Fault self-diagnosis method for encoder in servo driving system | |
| CN107202027A (en) | A kind of large fan operation trend analysis and failure prediction method | |
| CN104215395A (en) | Method and device for detecting imbalance fault of rotor | |
| CN107728147A (en) | A kind of radar for backing car distance detection method and its device | |
| CN102866669A (en) | Assessment and determination method for numerical-control system reliability evaluation test conditions and schemes | |
| KR101883530B1 (en) | Method and device for determining the rotor position and speed of a rotating field machine | |
| CN205138525U (en) | Spacing revolving stage of airport runway foreign matter detection system seek zero device | |
| CN104007289A (en) | Dynamic performance index detecting method and system of railway way side anemorumbometer | |
| CN105576913B (en) | Eccentric quantity measuring method, device and equipment between servomotor rotor | |
| CN104270042B (en) | Automatic learning method and system for servo motor encoder deviation angle | |
| CN111654038A (en) | Method and system for identifying transient instability of power system based on track characteristics | |
| CN110208692A (en) | A kind of big axis wriggling detection method suitable for power station unit | |
| CN103692350B (en) | The integrated numerical control Development of Grinding Machines'Control System that tape jam detects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |