CN106121894B - A kind of marine tidal-current energy blade power generation performance detection device - Google Patents

A kind of marine tidal-current energy blade power generation performance detection device Download PDF

Info

Publication number
CN106121894B
CN106121894B CN201610656690.5A CN201610656690A CN106121894B CN 106121894 B CN106121894 B CN 106121894B CN 201610656690 A CN201610656690 A CN 201610656690A CN 106121894 B CN106121894 B CN 106121894B
Authority
CN
China
Prior art keywords
torque sensor
power generation
bearing bracket
generation performance
transmission shaft
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.)
Expired - Fee Related
Application number
CN201610656690.5A
Other languages
Chinese (zh)
Other versions
CN106121894A (en
Inventor
宋雨泽
李彦
叶祖超
刘星
孙博文
李超
李少朗
杨宁
林道宽
朱晓阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Ocean Technology Center
Original Assignee
National Ocean Technology Center
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Ocean Technology Center filed Critical National Ocean Technology Center
Priority to CN201610656690.5A priority Critical patent/CN106121894B/en
Publication of CN106121894A publication Critical patent/CN106121894A/en
Application granted granted Critical
Publication of CN106121894B publication Critical patent/CN106121894B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/008Measuring or testing arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00Application
    • F05B2220/70Application in combination with
    • F05B2220/706Application in combination with an electrical generator
    • F05B2220/7068Application in combination with an electrical generator equipped with permanent magnets
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a kind of marine tidal-current energy blade power generation performance detection devices, including watertight cylinder, electrical power analyzer and data acquisition control system, watertight cylinder includes drive end bearing bracket, movement and rear end cap, movement is installed on the inside of watertight cylinder, movement includes pedestal and is mounted on the base through shaft coupling by drive end bearing bracket to the sequentially connected transmission shaft of rear end cap, torque sensor A, speed increaser, torque sensor B, electromagnetic clutch and permanent magnet generator, transmission shaft is connected with an axle housing after passing through drive end bearing bracket, axle housing is for installing tested blade, electrical power analyzer is connected by electric power signal output line with permanent magnet generator, data acquisition control system by multi beam signal output line respectively with torque sensor A, torque sensor B is connected with electromagnetic clutch.Due to be tested blade detection data can accurately pass to electrical power analyzer and data acquisition control system so that different airfoil profiles, the tested blade group of combination power generation performance can effectively be detected.

Description

A kind of marine tidal-current energy blade power generation performance detection device
Technical field
The present invention relates to marine tidal-current energy power generation indoor simulation testing fields, more particularly to a kind of marine tidal-current energy blade power generation performance Detection device.
Background technology
China Seas and vicinity marine tidal-current energy is resourceful, and developing and utilizing marine tidal-current energy becomes the one of domestic energy research mechanism A vital task, the research and development of tidal current energy generating equipment meet the strategy of China's sustainable development, to the profit of regenerable marine energy With being of great significance.
Blade is the core component for capturing trend energy in existing tidal current energy generating equipment, and multiple blades are constituted tested Impeller sets rotate under trend promotion, and then drive generator to rotate by transmission shaft and generate electricity, and blade changes by marine tidal-current energy For electric energy, it is particularly important that marine tidal-current energy is changed into power generation performance detection in the conversion process of electric energy, however the country is still without shape at present At the device for being applied to the detection of marine tidal-current energy blade power generation performance of complete set, accordingly, it is desirable to provide one kind can apply to trend The detection device of energy blade power generation performance detection.
Invention content
The object of the present invention is to provide a kind of realize to carry out power generation performance detection to different airfoil profiles, the tested blade group of combination Marine tidal-current energy blade power generation performance detection device, to solve the above-mentioned problems of the prior art so that different airfoil profiles, combination The power generation performance of tested blade group can be detected.
To achieve the above object, the present invention provides following schemes:The present invention provides a kind of marine tidal-current energy blade power generation performance Detection device, including watertight cylinder, electrical power analyzer and control system, the watertight cylinder include drive end bearing bracket, movement and after End cap, the movement are installed on the inside of the watertight cylinder, and the movement includes that pedestal and installation are led on the base Shaft coupling is crossed by the drive end bearing bracket to the sequentially connected transmission shaft of the rear end cap, torque sensor A, speed increaser, torque sensing Device B, electromagnetic clutch and permanent magnet generator, the transmission shaft are connected with an axle housing after passing through the drive end bearing bracket, and the axle housing is used It is tested blade in installation, the electrical power analyzer is connected by electric power signal output line with the permanent magnet generator, described Control system is connected with the torque sensor A, torque sensor B and electromagnetic clutch respectively by multi beam signal output line It connects.
Preferably, further include that thrust shaft block is provided between the transmission shaft and the drive end bearing bracket, the thrust bearing Seat installation on the base, is equipped with thrust bearing, the thrust bearing is matched with the transmission shaft on the thrust shaft block Installation is closed, prevents the transmission shaft from generating axial displacement.
Preferably, it is provided with slot on the drive end bearing bracket and rear end cap, the drive end bearing bracket and rear end cap pass through the slot It is connected with the pedestal of the movement.
Preferably, further include that sealing ring is provided on the drive end bearing bracket and rear end cap, the sealing ring is used for the front end Lid and the rear end cap static seal with watertight cylinder both ends respectively.
Preferably, further include that mechanical seal is installed between the drive end bearing bracket and the axle housing, the transmission shaft passes through institute It is connected with the axle housing after stating mechanical seal, the mechanical seal is used for the rotary seal of the transmission shaft.
Preferably, the front for further including the axle housing is equipped with radome fairing, and the radome fairing is for adjusting flow field.
The present invention achieves following advantageous effect compared with the existing technology:A kind of marine tidal-current energy blade power generation provided by the invention Mainly by the way that watertight cylinder is arranged in device for detecting performance, the transmission shaft in watertight cylinder and the axle housing for installing tested blade It is connected, detection device is mounted in the sink for having and making stream function or drag function, trend driving is tested blade and is turned It is dynamic, it is tested blade and torque sensor, speed increaser, electromagnetic clutch, permanent magnetism in watertight cylinder movement is driven to send out by transmission shaft Motor drive exports electric energy and data to electrical power analyzer and data acquisition control respectively by electric energy and multi beam signal output line System processed completes the detection work to being tested blade power generation performance.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is the overall structure diagram of marine tidal-current energy blade power generation performance detection device of the present invention;
Fig. 2 is marine tidal-current energy blade power generation performance detection device movement internal structure schematic diagram of the present invention;
Wherein, 1- is tested blade, 2- radome fairings, 3- axle housings, 4- watertights cylinder, 5- electric energy and multi beam signal output line, 6- Electrical power analyzer, 7- data acquisition control systems, 8- drive end bearing brackets, 9- thrust shaft blocks, 11- pedestals, 12- transmission shafts, 13- connection Axis device, 14- torque sensor A, 16- speed increaser, 18- torque sensor B, 20- electromagnetic clutch, 22- permanent magnet generators, 23- Rear end cap.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of realize to carry out power generation performance detection to different airfoil profiles, the tested blade group of combination Marine tidal-current energy blade power generation performance detection device, to solve the above-mentioned problems of the prior art so that different airfoil profiles, combination The power generation performance of tested blade group can be detected.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
Embodiment 1:
As shown in Figs. 1-2, the present embodiment provides a kind of marine tidal-current energy blade power generation performance detection device, including watertight cylinder 4, Electrical power analyzer 6 and data acquisition control system 7, the watertight cylinder 4 includes drive end bearing bracket 8, movement and rear end cap 23, described Movement is installed on the inside of the watertight cylinder 4, and the movement includes pedestal 11 and passes through connection on the pedestal 11 Axis device 13 by the drive end bearing bracket 8 to 23 sequentially connected transmission shaft 12 of the rear end cap, torque sensor A 14, speed increaser 16, Torque sensor B 18, electromagnetic clutch 20 and permanent magnet generator 22, the transmission shaft 12 are connected with after passing through the drive end bearing bracket 8 One axle housing 3, the axle housing 3 for installing tested blade 1, the electrical power analyzer 6 by electric power signal output line with it is described Permanent magnet generator 22 is connected, the data acquisition control system 7 by multi beam signal output line respectively with the torque sensing Device A 14, torque sensor B 18 are connected with electromagnetic clutch 20.
Wherein, it is tested blade 1 to be mounted on axle housing 3, between axle housing 3 and the transmission shaft 12 for leaning out 4 drive end bearing bracket 8 of watertight cylinder Axis connection is completed, the transmission shaft 12 of movement is mounted on the inside of watertight cylinder 4, and electric energy and multi beam signal output line 5 include electric energy Inside signal output line and multi beam signal output line, electric power signal output line and multi beam signal output line one end and watertight cylinder 4 Movement each section connection, the other end be in the water surface more than electrical power analyzer 6 and data acquisition control system 7 be connected It connects.
Torque sensor A 14 is bolted on pedestal 11, and transmission shaft 12 and torque sensor A 14 pass through shaft coupling 13 axis connection of device, speed increaser 16 are bolted on pedestal 11, and speed increaser 16 and the torque sensor A 14 of front end pass through 13 axis connection of shaft coupling, torque sensor B 18 are bolted on pedestal 11, and torque sensor B 18 passes through shaft coupling 13 are bolted on 16 axis connection of speed increaser of front end, electromagnetic clutch 20 on pedestal 11, and electromagnetic clutch 20 is with before The torque sensor B 18 at end is bolted on by 13 axis connection of shaft coupling, permanent magnet generator 22 on pedestal 11, permanent magnetism Generator 22 and the electromagnetic clutch 20 of front end pass through 13 axis connection of shaft coupling, the transmission of realization movement inside each section.Electric energy And one end of the electric power signal output line and multi beam signal output line in multi beam signal control line respectively with electrical power analyzer 6 and Data acquisition control system 7 is connected, the electric power signal output line other end and torque sensor A 14, torque sensor B 18, Electromagnetic clutch 20 connects, and the multi beam signal output line other end is connect with permanent magnet generator 22, realizes analysis, the torque of electrical power The test of data, the clutch for clutch control of electromagnetic clutch 20, to complete different airfoil profiles, combination tested blade 1 power generation performance Detect work.
Wherein, torque sensor is the detection perceived to torsional moment to various rotating mechanical members, and torque sensor can The physical change of torsion is changed into electric signal, and electric signal is delivered to by data acquisition control by multi beam signal output line System 7.
Speed increaser 16 is suitable for the speedup of different rotating speeds, and initial speed is adjusted permanent magnetism hair before speedup is slowed down to retarder The rated speed of motor 22, and export electric energy.
In the different tested blade 1 of apparatus of the present invention test it is possible that speedup after the excessively high situation of rotating speed, that is, turn Speed exceeds the case where 22 rated speed of permanent magnet generator, when rotating speed overloads, can realize electromagnetism point by electromagnetic clutch 20 From to protect permanent magnet generator 22.
Power analyzer analyzes the quality that permanent magnet generator 22 exports electric energy.
Data acquisition control system 7 acquires torque data, and controls the switch of electromagnetic clutch 20.
Embodiment 2:
As shown in Figs. 1-2, the present embodiment provides a kind of structures of marine tidal-current energy blade power generation performance detection device and embodiment 1 It is identical, difference lies in:The present embodiment further includes that thrust shaft block 9 is provided between the transmission shaft 12 and the drive end bearing bracket 8, The thrust shaft block 9 is mounted on the pedestal 11, and thrust bearing, the thrust shaft are equipped on the thrust shaft block 9 It holds to coordinate with the transmission shaft 12 and install, prevent the transmission shaft 12 from generating axial displacement;
Be provided on the drive end bearing bracket 8 and rear end cap 23 slot, the drive end bearing bracket 8 and rear end cap 23 by the slot with The pedestal 11 of the movement is connected;Sealing ring is provided on the drive end bearing bracket 8 and rear end cap 23, the sealing ring is for described Drive end bearing bracket 8 and rear end cap 23 static seal with 4 both ends of watertight cylinder respectively.Wherein, before the transmission shaft 12 of movement passes through It is leant out outside drive end bearing bracket 8 in the reserved centre bore of end cap 8, rest part is mounted on inside watertight cylinder 4,4 drive end bearing bracket 8 of watertight cylinder It is O-ring seal with the sealing ring that rear end cap 23 is arranged, drive end bearing bracket 8, rear end cap 23 are fixed by the pedestal 11 of slot and movement It links together, realizes that 4 inside of watertight cylinder is isolated with external aqueous environment;
Mechanical seal is installed, the transmission shaft 12 passes through the mechanical seal between the drive end bearing bracket 8 and the axle housing 3 It is connected afterwards with the axle housing 3, the mechanical seal is used for the rotary seal of the transmission shaft 12, further defines watertight cylinder The watertight environment of body 4 in water.
The front for further including the axle housing 3 is equipped with radome fairing 2, and the radome fairing 2 is for adjusting flow field.
The transmission shaft 12 is hollow reducing form, and 12 sets of transmission shaft is buckled on two thrust shaft blocks 9, for being tested Rotating speed after blade 1 rotates transmits.
The axle housing 3 is in short cylindrical shape, and the center of axle housing 3 is injected in the end of transmission shaft 12, realize transmission shaft 12 with The key connection of axle housing 3 is provided with blade mounting hole on 3 cylindrical side of axle housing, is tested blade 1 and is mounted on axis by studs On shell 3;Transmission shaft 12, torque sensor, electromagnetic clutch 20, the permanent magnet generator 22 of movement are connected by corresponding shaft coupling 13 It connects, their axle center is on same straight line, to the stabilization for keeping movement to run.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment;Meanwhile for the general of this field Technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion The content of the present specification should not be construed as limiting the invention.

Claims (6)

1. a kind of marine tidal-current energy blade power generation performance detection device, which is characterized in that including watertight cylinder, electrical power analyzer and control System processed, the watertight cylinder include drive end bearing bracket, movement and rear end cap, and the movement is installed on the inside of the watertight cylinder, The movement includes that pedestal and installation are connected by shaft coupling by the drive end bearing bracket to the rear end cap successively on the base Transmission shaft, torque sensor A, speed increaser, torque sensor B, electromagnetic clutch and the permanent magnet generator connect, the transmission shaft are worn It is connected with an axle housing after crossing the drive end bearing bracket, for the axle housing for installing tested blade, the electrical power analyzer passes through electric energy Signal output line is connected with the permanent magnet generator, the control system by multi beam signal output line respectively with the torque Sensors A, torque sensor B are connected with electromagnetic clutch;
The transmission shaft is connected with the torque sensor A by shaft coupling, and the torque of the speed increaser and front end passes Sensor A is connected by shaft coupling, and torque sensor B is connected by shaft coupling with the speed increaser of front end, the electromagnetism Clutch is connected with the torque sensor B of front end by shaft coupling, the electromagnetism of the permanent magnet generator and front end Clutch is connected by shaft coupling.
2. marine tidal-current energy blade power generation performance detection device according to claim 1, which is characterized in that further include the transmission Thrust shaft block is provided between axis and the drive end bearing bracket, the thrust shaft block is installed on the base, the thrust shaft Thrust bearing is equipped in bearing, the thrust bearing is installed with transmission shaft cooperation, prevents the transmission shaft from generating axial Displacement.
3. marine tidal-current energy blade power generation performance detection device according to claim 1, which is characterized in that the drive end bearing bracket is with after Slot, the drive end bearing bracket and rear end cap is provided on end cap by the slot to be connected with the pedestal of the movement.
4. marine tidal-current energy blade power generation performance detection device according to claim 1, which is characterized in that further include the front end Be provided with sealing ring on lid and rear end cap, the sealing ring for the drive end bearing bracket and rear end cap respectively with the watertight cylinder two The static seal of end.
5. marine tidal-current energy blade power generation performance detection device according to claim 1, which is characterized in that further include the front end Mechanical seal is installed between lid and the axle housing, the transmission shaft is connected after passing through the mechanical seal with the axle housing, The mechanical seal is used for the rotary seal of the transmission shaft.
6. marine tidal-current energy blade power generation performance detection device according to claim 1, which is characterized in that further include the axle housing Front radome fairing is installed, the radome fairing is for adjusting flow field.
CN201610656690.5A 2016-08-10 2016-08-10 A kind of marine tidal-current energy blade power generation performance detection device Expired - Fee Related CN106121894B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610656690.5A CN106121894B (en) 2016-08-10 2016-08-10 A kind of marine tidal-current energy blade power generation performance detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610656690.5A CN106121894B (en) 2016-08-10 2016-08-10 A kind of marine tidal-current energy blade power generation performance detection device

Publications (2)

Publication Number Publication Date
CN106121894A CN106121894A (en) 2016-11-16
CN106121894B true CN106121894B (en) 2018-09-04

Family

ID=57257968

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610656690.5A Expired - Fee Related CN106121894B (en) 2016-08-10 2016-08-10 A kind of marine tidal-current energy blade power generation performance detection device

Country Status (1)

Country Link
CN (1) CN106121894B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593748B (en) * 2017-01-25 2018-10-23 河海大学 A kind of horizontal axis tidal current energy hydraulic turbine experimental provision and its experimental method
CN107762709B (en) * 2017-09-11 2019-08-06 哈尔滨工程大学 A kind of horizontal axis tidal current energy hydraulic turbine hydrodynamic performance test platform and test method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012141470A2 (en) * 2011-04-13 2012-10-18 Lee Dong-Hak Shaft for tidal current generator, tidal current generator having same, and tidal current generation system
CN103511171A (en) * 2013-10-10 2014-01-15 浙江大学 Tidal current energy electricity generation device and control method thereof
KR101454542B1 (en) * 2013-05-21 2014-10-27 인하대학교 산학협력단 Subsea floating duct tidal current power device
CN104132759A (en) * 2014-08-18 2014-11-05 国家海洋技术中心 Open water testing device for tidal current energy electricity generating blades
CN204007967U (en) * 2014-08-18 2014-12-10 国家海洋技术中心 A kind of marine tidal-current energy power generation blade open water test device
CN104458102A (en) * 2014-12-12 2015-03-25 国家海洋技术中心 Tidal current energy power generation blade surface pressure testing device
CN105043627A (en) * 2015-08-17 2015-11-11 国家海洋技术中心 Measurement control device of blade driving torque and rotation speed for tidal current energy generation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012141470A2 (en) * 2011-04-13 2012-10-18 Lee Dong-Hak Shaft for tidal current generator, tidal current generator having same, and tidal current generation system
KR101454542B1 (en) * 2013-05-21 2014-10-27 인하대학교 산학협력단 Subsea floating duct tidal current power device
CN103511171A (en) * 2013-10-10 2014-01-15 浙江大学 Tidal current energy electricity generation device and control method thereof
CN104132759A (en) * 2014-08-18 2014-11-05 国家海洋技术中心 Open water testing device for tidal current energy electricity generating blades
CN204007967U (en) * 2014-08-18 2014-12-10 国家海洋技术中心 A kind of marine tidal-current energy power generation blade open water test device
CN104458102A (en) * 2014-12-12 2015-03-25 国家海洋技术中心 Tidal current energy power generation blade surface pressure testing device
CN105043627A (en) * 2015-08-17 2015-11-11 国家海洋技术中心 Measurement control device of blade driving torque and rotation speed for tidal current energy generation

Also Published As

Publication number Publication date
CN106121894A (en) 2016-11-16

Similar Documents

Publication Publication Date Title
CN103470434B (en) A kind of power generation device from sea current with self-regulating function
CN101650410B (en) Test stand system of electric automobile driving motor
Yang et al. Wind turbine condition monitoring and fault diagnosis using both mechanical and electrical signatures
CN103443455B (en) The overspeed protection system of test wind turbine
CN201532445U (en) Simulation experimental bench for performance of permanent-magnet generator
CN103511171B (en) A kind of control method of tidal current energy generating equipment
CN106121894B (en) A kind of marine tidal-current energy blade power generation performance detection device
CN103115724A (en) Online dynamic balance compensation device and method for high-speed motorized spindles
CN107905269B (en) A kind of paired cable winch gear for ultrasonic wave pore-forming grooving quality testing
CN206440803U (en) A kind of Portable electric automobile permagnetic synchronous motor device for detecting performance
KR20160049617A (en) Dual generators for wind power
CN104458102A (en) Tidal current energy power generation blade surface pressure testing device
US20130270832A1 (en) Power generator
KR101656482B1 (en) Simulator for endurance test of wind turbine
CN104007358A (en) Diagnosis method and system for short circuit fault of permanent magnet synchronous motor driving system of electric car
CN104132759B (en) A kind of marine tidal-current energy power generation blade open water test device
CN205787031U (en) A kind of easy servomotor velocity-measuring system
CN204007967U (en) A kind of marine tidal-current energy power generation blade open water test device
CN206668448U (en) A kind of hydroelectric generating set monitoring device
CN106052957A (en) Wind generating set blade imbalance monitoring method and device
CN103939263B (en) Screw type Permanent-magnet bearing fault-tolerant architecture ocean current power generation unit
CN205070862U (en) PMSM initial position detection device that rolls off production line
CN203570512U (en) Cable twist guiding and protecting device for wind generating set
CN206477961U (en) A kind of permanent magnet direct-driven synchro wind generator group simulation test device
Wang et al. Smart nodding duck: A hybrid Halbach electromagnetic piezoelectric self-powered sensor for smart fisheries

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
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: 20180904

Termination date: 20190810