CN206292378U - A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system - Google Patents
A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system Download PDFInfo
- Publication number
- CN206292378U CN206292378U CN201621491534.XU CN201621491534U CN206292378U CN 206292378 U CN206292378 U CN 206292378U CN 201621491534 U CN201621491534 U CN 201621491534U CN 206292378 U CN206292378 U CN 206292378U
- Authority
- CN
- China
- Prior art keywords
- power supply
- oil
- hydraulic
- commissioning device
- debugging
- 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.)
- Active
Links
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system, belongs to technical field of wind power generation.Power supply commissioning device is mainly made up of engine, synchronous generator, hydraulic system, asynchronous machine and load box.Engine can be worked with engine alternator, and asynchronous machine is worked by hydraulic system band engine alternator.When the generated output of blower fan has fluctuation, hydraulic system can be passively corresponding according to the electric power of blower fan, and so as to enter row buffering to the impact fluctuated, the buffering response of hydraulic system is very fast, even if the voltage pulsation of blower fan is larger to be also not easy net.Power supply debugging car has above-mentioned functions and movement is more convenient, more stablizes in wind-power electricity generation debugging system debugging process.
Description
Technical field
The utility model is related to technical field of wind power generation, in particular to a kind of power supply commissioning device, power supply debugging
Car and wind-power electricity generation debugging system.
Background technology
In wind power generation field, it is necessary to carry out various debugging, with ensure blower fan each functional part can normal work,
Generally debugged using power supply debugging car in the prior art, power supply debugging car can be moved whenever and wherever possible, very easy to use.
Power supply debugging car is mainly used in dynamic debugging when static debugging and wind turbine power generation when blower fan does not generate electricity.To wind
When machine carries out dynamic debugging, blower fan electricity is absorbed by double fed asynchronous machine and by load box, and the power of usual load box is needed
The power of blower fan is greater than, the power difference between load box and blower fan is provided by diesel engine band engine alternator.
When dynamic debugging is carried out to blower fan, may there is fluctuation in the generated output of blower fan, so as to be produced to whole system
The certain impact of life, the impact is absorbed and is responded mainly by diesel engine, and the response of diesel engine has certain delayed, causes
Voltage pulsation is larger, easily falls net, and the service life of loss system significantly.
Utility model content
The purpose of this utility model is to provide a kind of power supply commissioning device, by asynchronous machine and synchronous generator it
Between set up hydraulic system, when the generated output of blower fan has fluctuation, hydraulic system can be passively corresponding according to the electric power of blower fan,
So as to enter row buffering to the impact fluctuated, the buffering response of hydraulic system is very fast, even if the voltage pulsation of blower fan is larger also not allowing
Easily fall net.
Another purpose of the present utility model is to provide a kind of power supply debugging car, is pacified by by above-mentioned power supply commissioning device
On car body, car body can be moved, so as to drive power supply commissioning device to move, can be debugged for different blower fans,
It is simple to operate.
3rd purpose of the present utility model is to provide a kind of wind-power electricity generation debugging system, and this system is being debugged
Especially during dynamic debugging, hydraulic system is carried out according to the electric power passive response of blower fan, fluctuation impact that can be effectively to electric power
Buffering, it is not easy to fall net.
What the utility model was realized in：
Embodiment of the present utility model provides a kind of power supply commissioning device, and power supply commissioning device includes engine, synchronization
Generator, hydraulic system, asynchronous machine and load box, are connected between engine and synchronous generator, and hydraulic system includes
The first interconnected oil pump and oil motor, the first oil pump are connected with asynchronous machine, and asynchronous machine is used to drive the first oil pump to take out
Take hydraulic oil and be delivered to oil motor, oil motor is connected with synchronous generator, synchronous generator is connected with load box.
Used as the alternative of above-described embodiment, hydraulic system also includes the second oil pump, and the second oil pump is connected with oil motor,
It is driven with oil motor by the second oil pump between engine and synchronous generator, engine is used to drive the second oil pump to extract hydraulic pressure
Oil is simultaneously delivered to oil motor.
Used as the alternative of above-described embodiment, hydraulic system also includes hydraulic accumulator, the first oil pump and oil motor it
Between by hydraulic accumulator connect.
Used as the alternative of above-described embodiment, power supply commissioning device also includes electrical control cubicles, and electrical control cubicles are started for control
Machine and asynchronous machine.
Embodiment of the present utility model additionally provides a kind of power supply debugging car, and power supply debugging car includes car body and above-mentioned electricity
Source commissioning device, power supply commissioning device is installed on car body.
Embodiment of the present utility model additionally provides a kind of wind-power electricity generation debugging system, and wind-power electricity generation debugging system includes wind
Power generating equipment and above-mentioned power supply debugging car, wind power plant are grid-connected with power supply debugging car.
Compared with prior art, the beneficial effect of the utility model embodiment is：Adjusted using power supply commissioning device
During examination, static debugging and dynamic debugging are substantially carried out, engine and synchronous generator work are mainly during static debugging, dynamic is adjusted
Be mainly asynchronous machine during examination drives synchronous motor to work by hydraulic system.When there is fluctuation in the generated output of blower fan, liquid
Pressure system can be according to the electric power passive response of blower fan, so as to enter row buffering, the buffering response of hydraulic system to the impact fluctuated
Comparatively fast, even if the voltage pulsation of blower fan is larger to be also not easy net.In addition, power supply debugging car and wind-power electricity generation debugging system possess
Above-mentioned functions.
Brief description of the drawings
Fig. 1 is the schematic diagram at one of visual angle of the power supply commissioning device that the utility model embodiment 1 is provided；
Fig. 2 is the schematic diagram at another visual angle of the power supply commissioning device that the utility model embodiment 1 is provided；
Fig. 3 is the schematic diagram of the hydraulic system of Fig. 1；
Fig. 4 is the schematic diagram at one of visual angle of the power supply debugging car that the utility model embodiment 2 is provided；
Fig. 5 is the schematic diagram at another visual angle of the power supply debugging car that the utility model embodiment 2 is provided.
Icon：100- power supply debugging cars；10- power supply commissioning devices；11- engines；13- synchronous generators；15- hydraulic pressure systems
System；The oil pumps of 151- first；152- hydraulic accumulators；The oil pumps of 153- second；The check valves of 154.1- first；154.2- second is unidirectional
Valve；155- coolers；156- ball valves；157- oil motors；158- overflow valves；159- pressure sensors；17- asynchronous machines；18- bears
Carry case；19- electrical control cubicles；20- hydraulic oil containers；30- car bodies.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of the utility model protection.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
, it is necessary to illustrate in description of the present utility model, term " first ", " second " etc. are only used for distinguishing description,
And it is not intended that indicating or implying relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Embodiment 1：
Refer to shown in Fig. 1, Fig. 2, the utility model embodiment 1 provides a kind of power supply commissioning device 10, the power supply is adjusted
Examination equipment 10 is main by engine 11, synchronous generator 13, load box 18, electrical control cubicles 19, hydraulic system 15 and asynchronous machine 17
Composition, is described in detail below for all parts.
In the present embodiment, engine 11 uses diesel engine, diesel engine to be commonly used in power supply commissioning device 10, had
The advantage of the thermal efficiency and better economy, certainly, in other embodiment of the present utility model, engine 11 is not limited to bavin
Oil machine, can also be the engine 11 of other forms, such as gasoline engine etc..
Synchronous generator 13 refers to the rotating speed identical alternating current generator of rotor speed and stator rotating excitation field, be it is a kind of compared with
It is the alternating current generator commonly used.
As shown in Fig. 2 load box 18 is used to consume the electric energy of blower fan generation, load box 18 can use prior art.It is negative
It is a kind of conventional power detecting equipment to carry case 18, and mainly generator, uninterrupted power source, power transmitting device etc. are examined
Survey and safeguard, be the tool equipment of generating set and the maintenance of UPS uninterrupted power sources periodicmaintenance.The use of load box 18 can be with
The economic loss that generating set or power initiation unsuccessfully etc. are caused is prevented effectively from, also for the detection of new unit load capacity is provided
Scientific basis.
Electrical control cubicles 19 are used to control the operating of whole equipment.
It is that synchronous generator 13 provides power in the rotation process of engine 11, synchronous generator 13 generates electricity and can be negative
Carry case 18 and electric power be provided, the power that the required power that the electric power of synchronous generator 13 can supplement load box 18 is provided with blower fan it
Between difference, load box 18 is run well.
As shown in figure 3, in the present embodiment, be additionally arranged hydraulic system 15, the hydraulic system 15 include the first oil pump 151,
Second oil pump 153, hydraulic accumulator 152 and oil motor 157, the first check valve 154.1, the second check valve 154.2, cooler
155th, ball valve 156, overflow valve 158, pressure sensor 159, hydraulic oil container 20.
First oil pump 151 and the second oil pump 153 are connected with hydraulic oil container 20, and hydraulic oil container 20 can be as hydraulic system
15 part, or the structure of extra addition, hydraulic oil is contained with hydraulic oil container 20, by other structures to the
After one oil pump 151 and the second oil pump 153 apply power, the hydraulic oil in hydraulic oil container 20 can be extracted.First oil pump 151 and oil
Connected by hydraulic accumulator 152 between motor 157, can directly be connected between the second oil pump 153 and oil motor 157, also may be used
Connected with by hydraulic accumulator 152.
First check valve 154.1 is arranged between the first oil pump 151 and oil motor 157, and the second check valve 154.2 is arranged at
Between second oil pump 153 and oil motor 157, pressure sensor 159 is arranged between the first check valve 154.1 and oil motor 157
And second between check valve 154.2 and oil motor.Certainly, between the first check valve 154.1 and oil motor 157 and second is single
To can both be separately provided pressure sensor 159 between valve 154.2 and oil motor, it is also possible to share a pressure sensor 159.
Ball valve 156 is arranged between hydraulic accumulator 152 and hydraulic oil container 20, and safety valve 158 is arranged at hydraulic accumulator
Between 152 and hydraulic oil container 20, cooler 155 is arranged between oil motor 157 and hydraulic oil container 20.
First oil pump 151 is connected with asynchronous machine 17, and the first oil pump 151 be located at hydraulic accumulator 152 with it is different
Between step motor 17, asynchronous machine 17 drives the first oil pump 151 to act and hydraulic oil is extracted from container when working.Second oil pump
153 are connected with engine 11, and the second oil pump 153 is located between engine 11 and oil motor 157, and engine 11 works
When drive the second oil pump 153 to act and hydraulic oil extracted from container.Certainly, between engine 11 and synchronous generator 13 directly
Connection is also possible.
Asynchronous machine 17 is fluctuation when working, and the hydraulic oil for causing the first oil pump 151 to export has certain fluctuation, should
Fluctuation may influence the stability of the grade part of oil motor 157, therefore, it can lead between asynchronous machine 17 and oil motor 157
Hydraulic accumulator 152 is crossed to buffer the impact of fluctuation.
Accumulator is a kind of energy storing device in hydropneumatic system, in the present embodiment, due to the first oil pump 151
Presence, it is necessary to store hydraulic energy, therefore, the accumulator in the present embodiment uses hydraulic accumulator 152, hydraulic accumulator 152
It is that compression energy or potential energy are stored in the appropriate actual energy conversion by system, when system needs, will can presses again
Contracting can or potential energy be changed into hydraulic energy and discharge, in reentering system.When there is larger fluctuation in the oil pressure of system, liquid
Pressure accumulator 152 can realize buffering, constant with the pressure for ensureing whole system.
Hydraulic accumulator 152 mainly has three kinds of spring, Weight type and inflatable.
The hydraulic accumulator 152 of several multi-forms of above-mentioned offer, can be selected according to different demands.
Oil motor 157 is the machine by the use of high pressure liquid force feed as rotary power, the first oil pump 151 and the second oil pump 153
The hydraulic oil of conveying causes that oil motor 157 rotates.
In the present embodiment, asynchronous machine 17 uses squirrel-cage motor, it is of course also possible to use the asynchronous machine of other forms
17.Squirrel-cage motor refers to the three-phase asynchronous electric that rotor windings are welded or cast by aluminum strip or copper bar with short-circuited conducting sleeve
Machine.On the simple structure of this motor, rotor without winding, maintenance cost is low, last a long time, using relatively broad.
When being debugged to blower fan using above-mentioned power supply commissioning device 10, it is divided into static debugging and dynamic debugging, specifically
Step is as follows：
Static debugging step：
Start engine 11, engine 11 drives the second oil pump 153 to work, and the second oil pump 153 is from the appearance for holding hydraulic oil
Hydraulic oil is extracted in device, be delivered to the hydraulic oil of extraction in oil motor 157 and oil motor 157 is operated by the second oil pump 153, oil
Motor 157 generates electricity with engine alternator 13, and the electricity that synchronous generator 13 sends is delivered to the switch board of blower fan tower barrel bottom, control
Cabinet processed makes each functional part on blower fan obtain electric, obtain it is electric after the instructions that are sent according to test system of each functional part
Realize the various actions of regulation.
Dynamic debugging step：
First, engine 11 is started, engine 11 drives the second oil pump 153 to work, and the second oil pump 153 is from holding hydraulic oil
Container in extract hydraulic oil, be delivered to the hydraulic oil of extraction in oil motor 157 by the second oil pump 153, and oil motor 157 drives together
Step generator 13 generates electricity, and the electricity that synchronous generator 13 sends is delivered to the switch board of blower fan tower barrel bottom, and switch board makes on blower fan
Each functional part obtain electric and in running order.
Then, the blade carry load work of blower fan, makes blower fan be in generating state, and the electricity that blower fan is issued is by short-time fluctuations
Sent with synchronous generator 13 afterwards electric grid-connected and for whole system is powered.
Secondly, squirrel-cage motor is started working, and squirrel-cage motor drives the first oil pump 151 to work, and the first oil pump 151 is from hydraulic oil
Hydraulic oil is extracted in case 20, be delivered to the hydraulic oil of extraction in hydraulic accumulator 152 by the first oil pump 151, hydraulic accumulator 152
It is rotated for oil motor 157 provides lasting and uniform hydraulic oil, oil motor 157 generates electricity with engine alternator 13, now,
Control diesel engine and the second oil pump 153 are stopped.The electricity that the electricity that blower fan sends sends with synchronous generator 13 is simultaneously load
Case 18 provides electric power.When system pressure is too high, overflow valve 158 starts overflow, prevents overload；Air cooler 155 is used for hydraulic pressure
System is cooled down, and prevents system temperature too high；Ball valve 156 is in hydraulic system maintenance by the pressure off-load of accumulator 152；Pressure
Sensor 159 is used for acquisition system Stress control the first oil pump 151, the second oil pump 153 and oil motor 157.
In above-mentioned each step, the startup and closing of corresponding device, load box 18 can be realized by electrical control cubicles 19
Absorb the electric power that synchronous generator 13 and blower fan send.
During using power supply commissioning device 10 in the present embodiment, due between Diesel engine 11 and synchronous generator 13
And hydraulic system 15 is increased between asynchronous machine 17 and synchronous generator 13, when the generated output of blower fan has fluctuation
When, hydraulic system 15 can according to the electric power passive response of blower fan, so as to fluctuate impact enter row buffering, hydraulic system 15
Buffering response is very fast, even if the voltage pulsation of blower fan is larger to be also not easy net.Due to the presence of hydraulic accumulator 152, hydraulic pressure
Oil pressure in system 15 is relatively stable, it is not easy to larger fluctuation occur, also, asynchronous machine 17 is used during due to dynamic debugging
For load box 18 provides power difference, diesel engine is closed, and system power loses smaller, the effectively save energy.
Embodiment 2：
Accordingly, refer to shown in Fig. 4, Fig. 5, the utility model embodiment additionally provides a kind of power supply debugging car 100, should
Power supply debugging car 100 includes car body 30 and power supply commissioning device 10.
Power supply commissioning device 10 is arranged on car body 30 using the scheme in embodiment 1, power supply commissioning device 10.
Embodiment 3：
Accordingly, the utility model embodiment additionally provides a kind of wind-power electricity generation debugging system, wind-power electricity generation debugging system
System includes wind power plant (prior art is not drawn into) and power supply debugging car 100.
Power supply debugging car 100, by portable power source debugging car 100, can debug power supply using the scheme in embodiment 2
Car 100 can detect multiple different wind power plants.
It should be noted that in the case where not conflicting, the feature in embodiment in the utility model can be tied mutually
Close.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of power supply commissioning device, it is characterised in that the power supply commissioning device includes engine (11), synchronous generator
(13), hydraulic system (15), asynchronous machine (17) and load box (18), the engine (11) and the synchronous generator (13)
Between be connected, the hydraulic system (15) includes interconnected the first oil pump (151) and oil motor (157), described the
One oil pump (151) is connected with the asynchronous machine (17), and the asynchronous machine (17) is taken out for driving first oil pump (151)
Take hydraulic oil and be delivered to the oil motor (157), the oil motor (157) is connected with the synchronous generator (13),
The synchronous generator (13) is connected with the load box (18).
2. power supply commissioning device according to claim 1, it is characterised in that the hydraulic system (15) also includes the second oil
Pump (153), second oil pump (153) connects with the oil motor (157), the engine (11) and the synchronous generator
(13) it is driven with the oil motor (157) by second oil pump (153) between, the engine (11) is described for driving
Second oil pump (153) extracts hydraulic oil and is delivered to the oil motor (157).
3. power supply commissioning device according to claim 2, it is characterised in that the hydraulic system (15) also includes that first is single
To valve (154.1) and the second check valve (154.2)；First check valve (154.1) be arranged at first oil pump (151) and
Between the oil motor (157), second check valve (154.2) is arranged at the second oil pump (153) and the oil motor (157)
Between.
4. power supply commissioning device according to claim 3, it is characterised in that the hydraulic system (15) also passes including pressure
Sensor (159), the pressure sensor (159) is arranged between first check valve (154.1) and the oil motor (157)
And between second check valve (154.2) and the oil motor.
5. the power supply commissioning device according to claim 1-4 any one, it is characterised in that the hydraulic system (15) is also
Including hydraulic accumulator (152), the hydraulic accumulator is passed through between first oil pump (151) and the oil motor (157)
(152) connect.
6. power supply commissioning device according to claim 5, it is characterised in that the hydraulic system (15) also includes ball valve
(156), safety valve (158) and hydraulic oil container (20), the ball valve (156) are arranged at the hydraulic accumulator (152) and described
Between hydraulic oil container (20), the safety valve (158) be arranged at the hydraulic accumulator (152) and the hydraulic oil container (20) it
Between.
7. power supply commissioning device according to claim 6, it is characterised in that the hydraulic system (15) also includes cooler
(155), the cooler (155) is arranged between the oil motor (157) and the hydraulic oil container (20).
8. the power supply commissioning device according to claim 1-4 any one, it is characterised in that the power supply commissioning device is also
Including electrical control cubicles (19), the electrical control cubicles (19) are for controlling the engine (11) and the asynchronous machine (17).
9. a kind of power supply debugging car, it is characterised in that the power supply debugging car includes car body and claim 1-8 any one institute
The power supply commissioning device (10) stated, the power supply commissioning device (10) is installed on the car body (30).
10. a kind of wind-power electricity generation debugging system, it is characterised in that the wind-power electricity generation debugging system include wind power plant and
Power supply debugging car described in claim 9, the wind power plant is grid-connected with the power supply debugging car (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491534.XU CN206292378U (en) | 2016-12-29 | 2016-12-29 | A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621491534.XU CN206292378U (en) | 2016-12-29 | 2016-12-29 | A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206292378U true CN206292378U (en) | 2017-06-30 |
Family
ID=59098548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621491534.XU Active CN206292378U (en) | 2016-12-29 | 2016-12-29 | A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206292378U (en) |
-
2016
- 2016-12-29 CN CN201621491534.XU patent/CN206292378U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9683540B2 (en) | Electric unit for a pumped-storage power plant having components within and outside of an underground cavern | |
| Ouchbel et al. | Power maximization of an asynchronous wind turbine with a variable speed feeding a centrifugal pump | |
| US10060426B2 (en) | Solar drive control system for oil pump jacks | |
| CN104712485A (en) | Diesel engine starter and diesel generating set | |
| CN102157962A (en) | Wind power generator unit based complementary power generating system and grid combined debugging method | |
| CN206292378U (en) | A kind of power supply commissioning device, power supply debugging car and wind-power electricity generation debugging system | |
| CN104466995B (en) | Energy conversion device | |
| Murray et al. | Applications of supercapacitor energy storage for a wave energy converter system | |
| CN201903629U (en) | Alternating current transformation-type excitation synchronous wind power generation experimental facility | |
| CN204002724U (en) | A kind of energy-saving beam pumping unit | |
| CN203368220U (en) | Oil pumping machine torque motor and motor generator | |
| CN106936154A (en) | Start method for the grid-connected series-parallel connection direct current network of extensive remote offshore wind farm | |
| CN206255175U (en) | Ship direct current networking propulsion system with batteries to store energy | |
| CN201869080U (en) | Flywheel energy storage motor device with changeable power supply structure | |
| CN205622416U (en) | Multi -functional incessant energy -concerving and environment -protective electrical power unit | |
| CN103470451A (en) | Wind power and diesel mixed power generating system and method | |
| CN207382221U (en) | Impulse generator group electric braking power supply | |
| Mitra et al. | Stability enhancement of wind farm connected power system using superconducting magnetic energy storage unit | |
| CN204013068U (en) | A kind of energy-saving screw rod pump surface drive | |
| Minav et al. | Effect of driving electric machine type on the system efficiency of an industrial forklift | |
| CN205141917U (en) | Can take power generation system as boats and ships axle that motor starts | |
| CN204334386U (en) | The System for Soft-starting of development machine cutting motor | |
| CN103337878A (en) | Control method for low-voltage ride through of direct-drive electric excitation type wind turbine generator | |
| CN217010362U (en) | Stator double-winding type double-fed offshore wind power generation system based on super capacitor | |
| CN106597278A (en) | Fan debugging apparatus, mobile debugging system and fan debugging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 102200 Sany Industrial Park, Beiqing Road, Changping District, Beijing Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |