CN106089579A - The control method of wind power generating set and system - Google Patents
The control method of wind power generating set and system Download PDFInfo
- Publication number
- CN106089579A CN106089579A CN201610431246.3A CN201610431246A CN106089579A CN 106089579 A CN106089579 A CN 106089579A CN 201610431246 A CN201610431246 A CN 201610431246A CN 106089579 A CN106089579 A CN 106089579A
- Authority
- CN
- China
- Prior art keywords
- wind
- wind speed
- grid
- speed
- ambient
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000001360 synchronised effect Effects 0.000 claims abstract description 67
- 230000005611 electricity Effects 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims description 29
- 230000033228 biological regulation Effects 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000005562 fading Methods 0.000 claims 2
- 230000006698 induction Effects 0.000 description 43
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0272—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor by measures acting on the electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/104—Purpose of the control system to match engine to driven device
- F05B2270/1041—Purpose of the control system to match engine to driven device in particular the electrical frequency of driven generator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses control method and the system of a kind of wind power generating set, time grid-connected before ambient wind velocity does not reaches grid-connected wind speed, only make synchronous generator generate electricity by way of merging two or more grid systems and make its output more than its rated power and automatically cut " super generating " state, until the rotating speed of asynchronous generator rises to grid-connected rotating speed, make asynchronous generator generate electricity by way of merging two or more grid systems again, and the output controlling synchronous generator is down to its rated power；During off-grid after wind speed is less than grid-connected wind speed, asynchronous generator is kept to continue to become revolutional slip to be formed between the stagnant ring region of grid-connected off-grid.The present invention can fully solve the Wind Power Utilization problem under each wind friction velocities such as low wind speed and high wind speed, improves wind energy utilization efficiency, its frequent grid-connected off-grid can be avoided to reduce unit durability.
Description
Technical field
The present invention relates to wind generating technology control field, particularly to the control method of a kind of wind power generating set be
System.
Background technology
Owing to the wind wheel of magneto is directly connected with motor power shaft by shaft coupling, its generator speed is with wind speed
And change, multistage low-speed permanent-magnet motor need to be used, so the increase of unit design capacity, bring to design of electrical motor and processing and manufacturing
Many difficulties, cost of investment is high；And the wind wheel of asynchronous machine is connected with motor power shaft by booster engine, it is allowed to it is same
Run in the range of step rotating speed upper and lower 30%, but when underrun, power coefficient is low, and unit efficiency is low.
So, structural shape many employings magneto alternator of current Large-scale Wind Turbines and asynchronous generating unit
The form closed, with the advantage both combining, avoids the two weakness, improves wind power utilization efficiency, and reduce cost of investment.But
Being to generate electricity by way of merging two or more grid systems at magneto unit, when the most reaching rated power, the rotating speed of asynchronous generator is the most grid-connected
Rotating speed, this stage may cause artificially abandoning wind, reduces wind energy utilization efficiency or causes the frequent grid-connected off-grid of asynchronous machine, how to solve
Certainly the wind power utilization problem in this stage, is technical problem the most urgently to be resolved hurrily.
Summary of the invention
In view of this, the present invention proposes control method and the system of a kind of wind power generating set, it is possible to fully solve to synchronize
Wind Power Utilization problem before induction machine is grid-connected after electrical power generators, it is possible to be effectively improved wind energy utilization efficiency, it is to avoid artificial
" abandon wind ".
On the one hand, the present invention provides the control method of a kind of wind power generating set, described wind power generating set to include synchronizing
Electromotor and asynchronous generator, including the step of following cutting-in control:
1) when ambient wind velocity is less than unit incision wind speed V0, wind power generating set is in holding state, when ambient wind velocity reaches
Start synchronous generator grid-connected to unit incision wind speed V0；When ambient wind velocity unit incision wind speed V0, grid-connected wind speed V2 it
Between time, the wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state to be realized by synchronous generator
Maximum power output；
2) after ambient wind velocity reaches grid-connected wind speed V2, asynchronous generator is controlled grid-connected, by the output work of synchronous generator
Rate is down to rated power so that synchronous generator and asynchronous generator generate electricity by way of merging two or more grid systems.
Further, described step 1) detailed step include:
1.1) when ambient wind velocity is under standby wind speed, wind power generating set is in holding state, when ambient wind velocity rises to
During unit incision wind speed V0, synchronous generator is grid-connected；
1.2) when ambient wind velocity rise to unit incision between wind speed V0, the first default rated wind speed V1 time, regulate wind
The wind speed round of power generator group makes it be operated under optimum tip-speed ratio state, and when wind speed increase to preset first specified
During wind speed V1, the output of synchronous generator reaches rated power；
1.3) when ambient wind velocity rises between the first rated wind speed V1 preset, grid-connected wind speed V2, regulation wind-force is sent out
The wind speed round of group of motors is operated under optimum tip-speed ratio state, and synchronous generator output is in more than its rated power
Super generating state, redirects execution step 2 when ambient wind velocity is equal to grid-connected wind speed V2).
Further, described step 2) detailed step include:
2.1) after ambient wind velocity rises to grid-connected wind speed V2, asynchronous generator is close to synchronous rotational speed, to asynchronous generator
Carry out soft, grid-connected, the output of synchronous generator is reduced to its rated power, asynchronous generator becomes revolutional slip and loads and send out
Electricity adapts to the change of wind power generating set absorbed power automatically；
2.2) when ambient wind velocity rises between grid-connected wind speed V2, the second default rated wind speed V4, keep synchronizing to send out
The output of motor is its rated power, controls asynchronous generator change revolutional slip generating and inhales with adaptation wind power generating set automatically
Receive the change of power；When wind speed increases to the second rated wind speed V4 preset, the output of asynchronous generator reaches specified
Power；
2.3) when ambient wind velocity rises between the second rated wind speed V4, the unit cut-out wind speed V5 preset, keep same
Step electromotor, the output of asynchronous generator are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to protect
Card wind power generating set generates electricity with rated power；
2.4) when ambient wind velocity is more than unit cut-out wind speed V5, then wind power generating set is shut down.
Further, the step controlled including following off-grid:
S1) when ambient wind velocity is more than unit cut-out wind speed V5, wind power generating set is shut down；
S2) when ambient wind velocity drops between unit cut-out wind speed V5, the second default rated wind speed V4, keep synchronizing
Electromotor, the output of asynchronous generator are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to ensure
Wind power generating set generates electricity with rated power；
S3) when ambient wind velocity drops between the second rated wind speed V4 preset, the first default rated wind speed V1, control
Asynchronous generator processed becomes revolutional slip generating automatically to adapt to the change of wind power generating set absorbed power；When ambient wind velocity is equal to pre-
If the first rated wind speed V1 time, asynchronous generator is close to synchronous rotational speed, by asynchronous generator off-grid；
S4) when ambient wind velocity drops between the first rated wind speed V1, the unit incision wind speed V0 preset, wind-force is regulated
The wind speed round of generating set makes it be operated under optimum tip-speed ratio state, when ambient wind velocity drops to unit incision wind speed
During V0, by synchronous generator off-grid, wind power generating set is in holding state.
Further, the ambient wind velocity monitoring described wind power generating set local environment is also included, according to ambient wind velocity
Situation of change judges currently to perform cutting-in control or the step of off-grid control, if ambient wind velocity increases, then performs and network control
System, if ambient wind velocity reduces, then performs off-grid and controls.
On the other hand, after wind speed is less than the grid-connected wind speed of asynchronous generator, become slip to keep asynchronous generator to continue
Rate is to be formed between the stagnant ring region of grid-connected off-grid, it is to avoid its frequent grid-connected off-grid and reduce unit durability, the present invention also provides for a kind of wind
The control system of power generator group, described wind power generating set includes synchronous generator and asynchronous generator, including for performing
The cutting-in control unit of cutting-in control, described cutting-in control unit includes:
Low wind speed cutting-in control module, is in for the wind power generating set when ambient wind velocity is less than unit incision wind speed V0
Holding state, starts synchronous generator grid-connected when ambient wind velocity reaches default unit incision wind speed V0；When ambient wind velocity exists
When unit incision is between wind speed V0, grid-connected wind speed V2, the wind speed round of regulation wind power generating set makes it be operated in optimal blade tip
Maximum power output is realized by synchronous generator under speed ratio state；
High wind speed cutting-in control module, for after ambient wind velocity reaches grid-connected wind speed V2, controls asynchronous generator grid-connected,
The output of synchronous generator is down to rated power so that synchronous generator and asynchronous generator generate electricity by way of merging two or more grid systems.
Further, described low wind speed cutting-in control module includes:
Low wind speed grid-connected incision submodule, is in standby for the wind power generating set when ambient wind velocity is under standby wind speed
State, when ambient wind velocity rises to unit incision wind speed V0, synchronous generator is grid-connected；
Low wind speed grid-connected wind speed round regulon module, for rising to unit incision wind speed V0 when ambient wind velocity, preset
The first rated wind speed V1 between time, regulation wind power generating set wind speed round make it be operated in optimum tip-speed ratio state
Under, and when wind speed increases to the first rated wind speed V1 preset, the output of synchronous generator reaches rated power；
The grid-connected super generating of low wind speed controls submodule, for when ambient wind velocity rise to the first rated wind speed V1 of presetting and
Time between net wind speed V2, the wind speed round of regulation wind power generating set is operated under optimum tip-speed ratio state, synchronous generator
Output is in super generating state more than its rated power, redirects execution step 2 when ambient wind velocity is equal to grid-connected wind speed V2).
Further, described high wind speed cutting-in control module includes:
High wind speed grid-connected incision submodule, for after ambient wind velocity rises to grid-connected wind speed V2, asynchronous generator is close
Synchronous rotational speed, asynchronous generator is carried out soft, grid-connected, the output of synchronous generator is reduced to its rated power, different
Step electromotor becomes revolutional slip and loads the automatic change adapting to wind power generating set absorbed power of generating；
High wind speed grid-connected mixed power generation submodule, for rising to grid-connected wind speed V2, the second default volume when ambient wind velocity
Time between subduing the wind syndrome speed V4, the output keeping synchronous generator is its rated power, controls asynchronous generator change revolutional slip and sends out
Electricity is automatically to adapt to the change of wind power generating set absorbed power；When wind speed increases to the second rated wind speed V4 preset, different
The output of step electromotor reaches rated power；
High wind speed grid-connected rated power generating submodule, for rising to, when ambient wind velocity, the second rated wind speed of presetting
Time between V4, unit cut-out wind speed V5, synchronous generator, the output of asynchronous generator is kept to be its rated power, logical
Cross the propeller pitch angle of pitch-controlled system regulation blade to ensure that wind power generating set generates electricity with rated power；
High wind speed grid-connected protection submodule, for when ambient wind velocity is more than unit cut-out wind speed V5, then by wind-power electricity generation
Compressor emergency shutdown.
Further, present invention additionally comprises for performing the off-grid control unit that off-grid controls, described off-grid control unit
Including:
High wind speed off-grid protection submodule, is used for wind power generating set when ambient wind velocity is more than unit cut-out wind speed V5
Shut down；
High wind speed off-grid rated power generating submodule, for dropping to unit cut-out wind speed V5 when ambient wind velocity, preset
The second rated wind speed V4 between time, keep synchronous generator, the output of asynchronous generator to be its rated power, pass through
The propeller pitch angle of pitch-controlled system regulation blade is to ensure that wind power generating set generates electricity with rated power；
High wind speed off-grid mixed power generation submodule, for the second rated wind speed V4 dropping to preset when ambient wind velocity, pre-
If the first rated wind speed V1 between time, control asynchronous generator and become revolutional slip generating and absorb automatically adapting to wind power generating set
The change of power；When ambient wind velocity is equal to the first rated wind speed V1 preset, asynchronous generator is close to synchronous rotational speed, by asynchronous
Electromotor off-grid；
High wind speed off-grid cuts out submodule, cuts for the first rated wind speed V1, the unit dropping to preset when ambient wind velocity
When entering between wind speed V0, the wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state, works as environment
Wind speed decreased is to during to unit incision wind speed V0, and by synchronous generator off-grid, wind power generating set is in holding state.
Further, present invention additionally comprises controlled state detector unit, described controlled state detector unit includes:
Wind speed measurement module in real time, for monitoring the ambient wind velocity of described wind power generating set local environment；
Control model judge module, for judging currently to perform cutting-in control or de-according to the situation of change of ambient wind velocity
The step of network control, if ambient wind velocity increases, then performs cutting-in control, if ambient wind velocity reduces, then performs off-grid and controls.
The control method of wind power generating set of the present invention has an advantage that the present invention cuts less than unit at ambient wind velocity
During wind speed V0, wind power generating set is in holding state, starts synchronous generator when ambient wind velocity reaches unit incision wind speed V0
Grid-connected；When ambient wind velocity is when unit incision is between wind speed V0, grid-connected wind speed V2, and the wind speed round of regulation wind power generating set makes
It is operated under optimum tip-speed ratio state and realizes maximum power output by synchronous generator, when ambient wind velocity reaches grid-connected wind
Speed V2 after, control asynchronous generator grid-connected, the output of synchronous generator is down to rated power so that synchronous generator and
Asynchronous generator generates electricity by way of merging two or more grid systems, and therefore the rotating speed of asynchronous generator can not made to rise at the current wind speed residing for wind power generating set
Before grid-connected rotating speed, synchronous generator is only made to generate electricity by way of merging two or more grid systems so that it is output is more than incision " super generating " automatically after its rated power
State, until the rotating speed of asynchronous generator rises to grid-connected rotating speed, then makes asynchronous generator generate electricity by way of merging two or more grid systems, and controls synchronous generator
Output be down to its rated power, fully solve asynchronous generator grid-connected before, ambient wind velocity unit cut wind speed V0,
Wind Power Utilization problem time between grid-connected wind speed V2, it is possible to be effectively improved the wind energy utilization efficiency of wind power generating set.
The control system of wind power generating set of the present invention is that the control method of wind power generating set of the present invention is completely corresponding
System, the most also has the aforementioned advantages of the control method of wind power generating set of the present invention, does not repeats them here.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the topology example figure of the wind power generating set of the embodiment of the present invention.
Fig. 2 is the flow chart of cutting-in control in embodiment of the present invention method.
Fig. 3 be grid-connected in embodiment of the present invention method during monitoring curve.
Fig. 4 is the flow chart that in embodiment of the present invention method, off-grid controls.
Fig. 5 be grid-connected in embodiment of the present invention method during monitoring curve.
Fig. 6 is schematic diagram between the grid-connected off-grid stagnant ring region in embodiment of the present invention method.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The invention objective of the present invention is: for comprising magneto alternator and two kinds of machine set types of asynchronous generator
Wind power generating set, before the current wind speed residing for wind power generating set does not makes asynchronous generator rise to grid-connected rotating speed, only makes forever
Magnetic-synchro generator connecting in parallel with system generates electricity, and even makes its output more than automatically cutting " super generating " state after its rated power, until
Asynchronous generator rises to grid-connected rotating speed, then makes asynchronous generator generate electricity by way of merging two or more grid systems, and controls the output of magneto alternator
Be down to its rated power, with solve asynchronous generator grid-connected before, ambient wind velocity unit cut between wind speed V0, grid-connected wind speed V2
Time Wind Power Utilization problem, improve wind power generating set wind energy utilization efficiency.
Concrete, the preferred embodiments of the present invention are to illustrate as a example by the wind-driven generator unit shown in Fig. 1.Ginseng
Seeing that Fig. 1 understands, the synchronous generator of this wind-driven generator unit is specially two magneto alternator PMSG (the most forever
Magneto G1/G2), and its rated current, rated power, rated voltage, input speed are the most identical；In addition electricity can also be used to encourage
Magnetic-synchro motor；The asynchronous generator of this wind-driven generator unit is then specially the cage type induction motor that bench-types No. two are identical
SCIG (hereinafter referred to as induction machine G3/G4), its rated current, rated power, rated voltage are the most identical.It is noted that should
Magneto alternator and the quantity of asynchronous generator, kind, model the most uniquely limit at this, can be by designer according to machine
Group model arbitrary disposition.
Seeing Fig. 1, the output shaft of wind wheel 1 is connected with the slow-speed shaft of gearbox 2, the high speed shaft #1 of gearbox 2, high speed shaft #2
Being connected with magneto G1/G2 respectively, the high speed shaft #3 of gearbox 2, high speed shaft #4 are connected with induction machine G3/G4 respectively, group
Becoming 4 independent set electricity generation systems, general power P of unit is equal to 4 set electricity generation system sums.It is provided with between magneto G1 and electrical network
Full power convertor 3#1, is provided with full power convertor 3#2 between magneto G2 and electrical network.Full power convertor 3#1 and full merit
Rate current transformer 3#2 structure is identical, and grid-connected catalyst 31, current transforming unit the 32, first grid-connected chopper 33 by series connection form.Sense
Answer and between motor G3 and electrical network, be serially connected with bypass breaker 4#1 and the second grid-connected chopper 5#1, between induction machine G4 and electrical network
It is serially connected with bypass breaker 4#2 and the second grid-connected chopper 5#2, bypass breaker 4#1 is parallel with soft lifting device 6#1, bypass
Soft lifting device 6#2 it is parallel with on chopper 4#2.Bypass breaker 4#1 and the second grid-connected chopper 5#1, bypass breaker 4#2 and
Second grid-connected chopper 5#2 configures according to induction machine G3 and induction machine G4, full power convertor 3#1 and full power convertor
3#2 then configures according to magneto G1 and magneto G2.In the present embodiment, it is assumed that following condition is set up: i1=i2, i3=
I4, P (G1)=P (G2), P (G3)=P (G4), the synchronous rotational speed of induction machine G3 and induction machine G4 is 1500rpm.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in further detail.
As in figure 2 it is shown, the control method of the present embodiment wind power generating set includes the step of following cutting-in control:
1) when ambient wind velocity is less than unit incision wind speed V0, wind power generating set is in holding state, when ambient wind velocity reaches
Start magneto grid-connected to unit incision wind speed V0；When ambient wind velocity is cut between wind speed V0, grid-connected wind speed V2 at unit
Time, the wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state and realizes maximum by magneto
Power exports；
2) after ambient wind velocity reaches grid-connected wind speed V2, control induction machine grid-connected, the output of magneto is dropped
To rated power so that magneto and induction machine generate electricity by way of merging two or more grid systems.
In the present embodiment, when ambient wind velocity is when unit incision is between wind speed V0, grid-connected wind speed V2, regulate wind-driven generator
The wind speed round of group makes it be operated under optimum tip-speed ratio state and realizes maximum power output by magneto, therefore, it is possible to
Magneto can be only made also before the current wind speed residing for wind power generating set does not makes the rotating speed of induction machine rise to grid-connected rotating speed
Net generating so that it is output is more than automatically cutting " super generating " state after its rated power, until the rotating speed of induction machine rises to
Grid-connected rotating speed, then make induction machine generate electricity by way of merging two or more grid systems, and the output controlling magneto is down to its rated power, fully solves
Before induction machine is grid-connected, the ambient wind velocity Wind Power Utilization problem when unit incision is between wind speed V0, grid-connected wind speed V2, improve
Wind energy utilization efficiency.
In the present embodiment, step 1) detailed step include:
1.1) when ambient wind velocity is under standby wind speed, wind power generating set is in holding state, when ambient wind velocity rises to
During unit incision wind speed V0, magneto is grid-connected；
1.2) when ambient wind velocity rise to unit incision between wind speed V0, the first default rated wind speed V1 time, regulate wind
The wind speed round of power generator group makes it be operated under optimum tip-speed ratio state, and when wind speed increase to preset first specified
During wind speed V1, the output of magneto reaches rated power；
1.3) when ambient wind velocity rises between the first rated wind speed V1 preset, grid-connected wind speed V2, regulation wind-force is sent out
The wind speed round of group of motors is operated under optimum tip-speed ratio state, and magneto output is in super more than its rated power
Hair-like state, redirects execution step 2 when ambient wind velocity is equal to grid-connected wind speed V2).
The present embodiment to solve the technical problem that being to need to solve magneto to reach full power, but not up to induction machine
Before grid-connected rotating speed, Wind Power Utilization problem during wind speed (V1, V2), the present embodiment passes through abovementioned steps 1.3) when ambient wind velocity rising
Time between the first rated wind speed V1, the grid-connected wind speed V2 preset, the wind speed round of regulation wind power generating set is operated in most preferably
Under tip speed ratio state, magneto output is in super generating state more than its rated power, uses magneto " super generating "
Pattern solves Wind Power Utilization problem during the grid-connected front wind speed of induction machine (V1, V2), it is to avoid artificial " abandoning wind ".
In the present embodiment, described step 2) detailed step include:
2.1) after ambient wind velocity rises to grid-connected wind speed V2, induction machine synchronous rotational speed, induction machine is carried out soft,
Grid-connected, the output of magneto is reduced to its rated power, induction machine becomes revolutional slip loading generating and automatically adapts to wind
The change of power generator group absorbed power；
2.2) when ambient wind velocity rises between grid-connected wind speed V2, the second default rated wind speed V4, Permanent Magnet and Electric is kept
The output of machine is its rated power, controls induction machine change revolutional slip generating and absorbs merit with adaptation wind power generating set automatically
The change of rate；When wind speed increases to the second rated wind speed V4 preset, the output of induction machine reaches rated power；
2.3) when ambient wind velocity rises between the second rated wind speed V4, the unit cut-out wind speed V5 preset, keep forever
Magneto, the output of induction machine are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to ensure wind
Power generator group generates electricity with rated power；
2.4) when ambient wind velocity is more than unit cut-out wind speed V5, then wind power generating set is shut down.
Seeing Fig. 3, transverse axis represents current wind speed V (m/s), and left vertical represents output P (MW), and right vertical represents
Motor speed n/rpm, curve a represent that the rotating speed of magneto, curve b represent that the rotating speed of induction machine, curve c represent Permanent Magnet and Electric
The output of machine, curve d represents the output of induction machine.According to ambient wind velocity, can be by wind power generation set grid-connection
During output carry out segmentation:
A1) when unit incision below wind speed V0, output P is 0.When ambient wind velocity reaches unit incision wind speed V0,
Magneto G1/G2 is the most grid-connected.
A2) ambient wind velocity (V0, V1] interval time, by the rotating speed of full power convertor 3#1 and 3#2 regulation wind wheel 1, make
It is operated in optimum tip-speed ratio (curve seeing in Fig. 2 is 1.) so that it is optimum that wind energy is converted to electric energy efficiency.Work as ambient wind velocity
During for default first rated wind speed V1, magneto G1/G2 has reached rated power.
A3) ambient wind velocity is when (V1, V2) is interval, by the rotating speed of full power convertor 3#1 and 3#2 regulation wind wheel 1, makes
It is operated in optimum tip-speed ratio (curve seeing in Fig. 2 is 2.) so that it is optimum that wind energy is converted to electric energy efficiency, now Permanent Magnet and Electric
Machine G1/G2 output is more than rated power, is operated in super generating state, reaches unit maximum power output under this kind of operating mode, keep away
Exempt from artificial " abandoning wind ".
A4) when ambient wind velocity reaches grid-connected wind speed V2, induction machine G3/G4 close to synchronous rotational speed, the second grid-connected chopper
5#1/5#2 Guan Bi, soft lifting device 6#1/6#2 put into, and after soft process completes, Guan Bi bypass breaker 4#1/4#2 disconnects soft
Device 6#1/6#2, completes induction machine G3/G4 grid-connected, by full power convertor 3#1 and 3#2 by magneto G1/G2 power
Being down to rated power (curve seeing in Fig. 2 is 3.), induction machine G3/G4 becomes revolutional slip loading generating and (sees the curve in Fig. 2
(11)), automatically adapt to the change of unit absorbed power.
A5) ambient wind velocity wind speed (V2, V4] time, magneto G1/G2 with rated power generating (see the song in Fig. 2
Line is 4.), induction machine G3/G4 becomes revolutional slip generating (seeing the curve in Fig. 2 (12)), automatically adapts to the change of unit absorbed power
Change.
A6) ambient wind velocity wind speed (V4, V5] time, magneto G1/G2, induction machine G3/G4 send out with rated power
By pitch-controlled system regulation blade pitch angle, electricity (seeing the curve in Fig. 2 5., (15)), ensures that unit generates electricity with rated power.
A7), when ambient wind velocity is more than unit cut-out wind speed V5, compressor emergency shutdown is protected.
As shown in Figure 4, the present embodiment also includes the step that following off-grid controls:
S1) when ambient wind velocity is more than unit cut-out wind speed V5, wind power generating set is shut down；
S2) when ambient wind velocity drops between unit cut-out wind speed V5, the second default rated wind speed V4, permanent magnetism is kept
Motor, the output of induction machine are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to ensure wind-force
Generating set generates electricity with rated power；
S3) when ambient wind velocity drops between the second rated wind speed V4 preset, the first default rated wind speed V1, control
Induction machine processed becomes revolutional slip generating automatically to adapt to the change of wind power generating set absorbed power；When ambient wind velocity is equal to presetting
The first rated wind speed V1 time, induction machine is close to synchronous rotational speed, by induction machine off-grid；
S4) when ambient wind velocity drops between the first rated wind speed V1, the unit incision wind speed V0 preset, wind-force is regulated
The wind speed round of generating set makes it be operated under optimum tip-speed ratio state, when ambient wind velocity drops to unit incision wind speed
During V0, by magneto off-grid, wind power generating set is in holding state.
Seeing Fig. 5, transverse axis represents current wind speed V (m/s), and left vertical represents output P (MW), and right vertical represents
Motor speed n/rpm, curve a represent that the rotating speed of magneto, curve b represent that the rotating speed of induction machine, curve c represent Permanent Magnet and Electric
The output of machine, curve d represents the output of induction machine.According to ambient wind velocity, can be by wind power generating set off-grid
During output carry out segmentation:
B1) ambient wind velocity wind speed [V5, V4) time, magneto G1/G2, induction machine G3/G4 send out with rated power
By pitch-controlled system regulation blade pitch angle, electricity (seeing the curve in Fig. 3 5., (15)), ensures that unit generates electricity with rated power.
B2) ambient wind velocity wind speed [V4, V1) time, magneto G1/G2 with rated power generating (see the song in Fig. 3
Line is 4., 6.), induction machine G3/G4 becomes revolutional slip generating, and ((seeing the curve in Fig. 3 (12), (16)) automatically adapts to unit and absorbs merit
The change of rate.
B3) ambient wind velocity is when reaching the first default rated wind speed V1, and induction machine G3/G4 is close to synchronous rotational speed, disconnected
Open bypass breaker 4#1/4#2, induction machine G3/G4 off-grid.
B4) ambient wind velocity (V1, V0] time, by full power convertor 3#1 and 3#2 regulate wind speed round so that it is work
Optimum tip-speed ratio (seeing the curve in Fig. 3 1.), it is optimum that wind energy is converted to electric energy efficiency.
B5) ambient wind velocity is when less than unit incision wind speed V0, and not up to set grid-connection wind speed, magneto G1/G2 takes off
Net standby.
By the output power curve synthesis of the also off-grid process of network process and Fig. 5 of Fig. 3, then can obtain shown in Fig. 6
Grid-connected, off-grid the output of process power curve.See Fig. 6 understand, by ambient wind velocity wind speed [V4, V1) off-grid control permanent magnetism
Motor G1/G2 generates electricity (seeing the curve in Fig. 3 4., 6.) with rated power, and induction machine G3/G4 becomes revolutional slip generating and ((sees
Curve in Fig. 3 is (12), (16)), automatically adapt to the change of unit absorbed power so that wind speed V1～V2 be induction machine G3 G4 also
Between the stagnant ring region of net off-grid, it is to avoid the wind speed frequently grid-connected off-grid of induction machine G3/G4 when V1～V2 changes, it can be avoided frequent
Grid-connected off-grid and reduce unit durability and affect the utilization ratio of wind energy
It should be noted that ambient wind velocity is actually and the most lasting being increased or decreased, the most actually to wind-force
The situation that the control of generating set may be part cutting-in control step and part off-grid rate-determining steps mixes, therefore this enforcement
Example also includes the ambient wind velocity monitoring described wind power generating set local environment, judges to work as according to the situation of change of ambient wind velocity
The step that front execution cutting-in control or off-grid control, if ambient wind velocity increases, then performs cutting-in control, if ambient wind velocity subtracts
Few, then perform off-grid and control.
The control system of above-mentioned wind power generating set is corresponding with above-mentioned control method, its technique effect and detailed description of the invention
Do not repeat them here.The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it
In.
Claims (10)
1. a control method for wind power generating set, described wind power generating set includes synchronous generator and asynchronous generator,
It is characterized in that, including the step of following cutting-in control:
1) when ambient wind velocity is less than unit incision wind speed V0, wind power generating set is in holding state, when ambient wind velocity reaches machine
Group incision wind speed V0 starts synchronous generator grid-connected；When ambient wind velocity is when unit incision is between wind speed V0, grid-connected wind speed V2,
The wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state and realizes maximum by synchronous generator
Power exports；
2) after ambient wind velocity reaches grid-connected wind speed V2, control asynchronous generator grid-connected, the output of synchronous generator is dropped
To rated power so that synchronous generator and asynchronous generator generate electricity by way of merging two or more grid systems.
The control method of wind power generating set the most according to claim 1, it is characterised in that described step 1) detailed step
Suddenly include:
1.1) when ambient wind velocity is under standby wind speed, wind power generating set is in holding state, when ambient wind velocity rises to preset
Unit incision wind speed V0 time, synchronous generator is grid-connected；
1.2) when ambient wind velocity rise to unit incision between wind speed V0, the first default rated wind speed V1 time, regulation wind-force send out
The wind speed round of group of motors makes it be operated under optimum tip-speed ratio state, and works as the first rated wind speed that wind speed increases to preset
During V1, the output of synchronous generator reaches rated power；
1.3) when ambient wind velocity rises between the first rated wind speed V1 preset, default grid-connected wind speed V2, wind-force is regulated
The wind speed round of generating set is operated under optimum tip-speed ratio state, and synchronous generator output is more than at its rated power
In super generating state, redirect execution step 2 when ambient wind velocity is equal to grid-connected wind speed V2).
The control method of wind power generating set the most according to claim 1, it is characterised in that described step 2) detailed step
Suddenly include:
2.1) after ambient wind velocity rises to grid-connected wind speed V2, asynchronous generator, close to synchronous rotational speed, is carried out by asynchronous generator
Soft, grid-connected, the output of synchronous generator is reduced to its rated power, asynchronous generator become revolutional slip load generating from
The dynamic change adapting to wind power generating set absorbed power；
2.2) when ambient wind velocity rises between grid-connected wind speed V2, the second default rated wind speed V4, synchronous generator is kept
Output be its rated power, control asynchronous generator and become revolutional slip generating and absorb merit automatically adapting to wind power generating set
The change of rate；When wind speed increases to the second rated wind speed V4 preset, the output of asynchronous generator reaches rated power；
2.3) when ambient wind velocity rises between the second rated wind speed V4, the unit cut-out wind speed V5 preset, keep synchronizing to send out
Motor, the output of asynchronous generator are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to ensure wind
Power generator group generates electricity with rated power；
2.4) when ambient wind velocity is more than unit cut-out wind speed V5, then wind power generating set is shut down.
The control method of wind power generating set the most according to claim 1, it is characterised in that include what following off-grid controlled
Step:
S1) when ambient wind velocity is more than unit cut-out wind speed V5, wind power generating set is shut down；
S2) when ambient wind velocity drops between unit cut-out wind speed V5, the second default rated wind speed V4, synchronous generator is kept
Machine, the output of asynchronous generator are its rated power, by the propeller pitch angle of pitch-controlled system regulation blade to ensure wind-force
Generating set generates electricity with rated power；
S3) when ambient wind velocity drops between the second rated wind speed V4 preset, the first default rated wind speed V1, control different
Step electromotor becomes revolutional slip generating automatically to adapt to the change of wind power generating set absorbed power；When ambient wind velocity equal to preset
During the first rated wind speed V1, asynchronous generator is close to synchronous rotational speed, by asynchronous generator off-grid；
S4) when ambient wind velocity drops between the first rated wind speed V1, the unit incision wind speed V0 preset, wind-power electricity generation is regulated
The wind speed round of unit makes it be operated under optimum tip-speed ratio state, when ambient wind velocity drops to unit incision wind speed V0
Time, by synchronous generator off-grid, wind power generating set is in holding state.
The control method of wind power generating set the most according to claims 1 to 4, it is characterised in that also include that monitoring is described
The ambient wind velocity of wind power generating set local environment, according to the situation of change of ambient wind velocity judge currently to perform cutting-in control or
The step that off-grid controls, if ambient wind velocity increases, then performs cutting-in control, if ambient wind velocity reduces, then performs off-grid control
System.
6. a control system for wind power generating set, described wind power generating set includes synchronous generator and asynchronous generator,
It is characterized in that, including the cutting-in control unit for performing cutting-in control, described cutting-in control unit includes:
Low wind speed cutting-in control module, is in standby for the wind power generating set when ambient wind velocity is less than unit incision wind speed V0
State, starts synchronous generator grid-connected when ambient wind velocity reaches default unit incision wind speed V0；When ambient wind velocity is at unit
When incision is between wind speed V0, grid-connected wind speed V2, the wind speed round of regulation wind power generating set makes it be operated in optimum tip-speed ratio
Maximum power output is realized by synchronous generator under state；
High wind speed cutting-in control module, for after ambient wind velocity reaches grid-connected wind speed V2, controls asynchronous generator grid-connected, will be with
The output of step electromotor is down to rated power so that synchronous generator and asynchronous generator generate electricity by way of merging two or more grid systems.
The control system of wind power generating set the most according to claim 6, it is characterised in that described low wind speed cutting-in control
Module includes:
Low wind speed grid-connected incision submodule, is in standby shape for the wind power generating set when ambient wind velocity is under standby wind speed
State, when ambient wind velocity rises to the unit incision wind speed V0 preset, synchronous generator is grid-connected；
Low wind speed grid-connected wind speed round regulon module, for when ambient wind velocity rise to unit incision wind speed V0, default the
Time between one rated wind speed V1, the wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state, and
When wind speed increases to the first rated wind speed V1 preset, the output of synchronous generator reaches rated power；
The grid-connected super generating of low wind speed controls submodule, for rising to the first rated wind speed V1 preset, grid-connected wind when ambient wind velocity
Time between speed V2, the wind speed round of regulation wind power generating set is operated under optimum tip-speed ratio state, and synchronous generator exports
Power is in super generating state more than its rated power, redirects execution step 2 when ambient wind velocity is equal to grid-connected wind speed V2).
The control system of wind power generating set the most according to claim 6, it is characterised in that described high wind speed cutting-in control
Module includes:
High wind speed grid-connected incision submodule, for after ambient wind velocity rises to grid-connected wind speed V2, asynchronous generator is close to synchronizing
Rotating speed, asynchronous generator is carried out soft, grid-connected, the output of synchronous generator is reduced to its rated power, asynchronous
Motor becomes revolutional slip and loads the change of generating adaptation wind power generating set absorbed power automatically；
High wind speed grid-connected mixed power generation submodule, for rising to grid-connected wind speed V2, the default second specified wind when ambient wind velocity
Speed V4 between time, keep synchronous generator output be its rated power, control asynchronous generator become revolutional slip generating with
Automatically the change of wind power generating set absorbed power is adapted to；When wind speed increases to the second rated wind speed V4 preset, asynchronous
The output of motor reaches rated power；
High wind speed grid-connected rated power generating submodule, for rising to, when ambient wind velocity, the second rated wind speed V4, the machine preset
Time between group cut-out wind speed V5, synchronous generator, the output of asynchronous generator is kept to be its rated power, by becoming oar
The propeller pitch angle of system fading margin blade is to ensure that wind power generating set generates electricity with rated power；
High wind speed grid-connected protection submodule, for when ambient wind velocity is more than unit cut-out wind speed V5, then by wind power generating set
Shut down.
The control method of wind power generating set the most according to claim 6, it is characterised in that also include for performing off-grid
The off-grid control unit controlled, described off-grid control unit includes:
High wind speed off-grid protection submodule, for stopping wind power generating set when ambient wind velocity is more than unit cut-out wind speed V5
Machine；
High wind speed off-grid rated power generating submodule, for when ambient wind velocity drop to unit cut-out wind speed V5, default the
Time between two rated wind speed V4, synchronous generator, the output of asynchronous generator is kept to be its rated power, by becoming oar
The propeller pitch angle of system fading margin blade is to ensure that wind power generating set generates electricity with rated power；
High wind speed off-grid mixed power generation submodule, for the second rated wind speed V4 dropping to preset when ambient wind velocity, default
Time between first rated wind speed V1, control asynchronous generator and become revolutional slip generating automatically to adapt to wind power generating set absorbed power
Change；When ambient wind velocity is equal to the first rated wind speed V1 preset, asynchronous generator is close to synchronous rotational speed, by asynchronous generating
Machine off-grid；
High wind speed off-grid cuts out submodule, for the first rated wind speed V1 dropping to preset when ambient wind velocity, unit incision wind
Time between speed V0, the wind speed round of regulation wind power generating set makes it be operated under optimum tip-speed ratio state, works as ambient wind velocity
When dropping to unit incision wind speed V0, by synchronous generator off-grid, wind power generating set is in holding state.
10. according to the control system of the wind power generating set described in claim 6～9, it is characterised in that also include controlled state
Detector unit, described controlled state detector unit includes:
Wind speed measurement module in real time, for monitoring the ambient wind velocity of described wind power generating set local environment；
Control model judge module, for judging currently to perform cutting-in control or off-grid control according to the situation of change of ambient wind velocity
The step of system, if ambient wind velocity increases, then performs cutting-in control, if ambient wind velocity reduces, then performs off-grid and controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431246.3A CN106089579B (en) | 2016-06-16 | 2016-06-16 | The control method and system of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431246.3A CN106089579B (en) | 2016-06-16 | 2016-06-16 | The control method and system of wind power generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106089579A true CN106089579A (en) | 2016-11-09 |
| CN106089579B CN106089579B (en) | 2019-08-16 |
Family
ID=57235785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610431246.3A Active CN106089579B (en) | 2016-06-16 | 2016-06-16 | The control method and system of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089579B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519326A (en) * | 2018-12-06 | 2019-03-26 | 成都阜特科技股份有限公司 | A kind of control method of Wind turbines, system and its Wind turbines |
| CN111396255A (en) * | 2020-03-13 | 2020-07-10 | 上海电气风电集团股份有限公司 | Control method and control device of wind generating set and wind generating system |
| CN112598539A (en) * | 2020-12-28 | 2021-04-02 | 江苏徐工信息技术股份有限公司 | Wind power curve optimization calculation and abnormal value detection method for wind generating set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005269843A (en) * | 2004-03-22 | 2005-09-29 | Mitsubishi Electric Engineering Co Ltd | Parallel operation device |
| US20080129050A1 (en) * | 2006-12-01 | 2008-06-05 | Industrial Technology Research Institute | Hybrid power-generating device |
| JP2009261076A (en) * | 2008-04-15 | 2009-11-05 | Hitachi Engineering & Services Co Ltd | Wind power station |
| CN103375350A (en) * | 2012-04-16 | 2013-10-30 | 远景能源（江苏）有限公司 | Wind turbine with a primary and a secondary generator and method of operating such wind turbine |
| CN105048496A (en) * | 2015-07-10 | 2015-11-11 | 三一重型能源装备有限公司 | Grid-connected control method of dual-motor wind generating set |
-
2016
- 2016-06-16 CN CN201610431246.3A patent/CN106089579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005269843A (en) * | 2004-03-22 | 2005-09-29 | Mitsubishi Electric Engineering Co Ltd | Parallel operation device |
| US20080129050A1 (en) * | 2006-12-01 | 2008-06-05 | Industrial Technology Research Institute | Hybrid power-generating device |
| JP2009261076A (en) * | 2008-04-15 | 2009-11-05 | Hitachi Engineering & Services Co Ltd | Wind power station |
| CN103375350A (en) * | 2012-04-16 | 2013-10-30 | 远景能源（江苏）有限公司 | Wind turbine with a primary and a secondary generator and method of operating such wind turbine |
| CN105048496A (en) * | 2015-07-10 | 2015-11-11 | 三一重型能源装备有限公司 | Grid-connected control method of dual-motor wind generating set |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519326A (en) * | 2018-12-06 | 2019-03-26 | 成都阜特科技股份有限公司 | A kind of control method of Wind turbines, system and its Wind turbines |
| CN109519326B (en) * | 2018-12-06 | 2022-02-22 | 成都阜特科技股份有限公司 | Control method and system of wind turbine generator and wind turbine generator |
| CN111396255A (en) * | 2020-03-13 | 2020-07-10 | 上海电气风电集团股份有限公司 | Control method and control device of wind generating set and wind generating system |
| CN112598539A (en) * | 2020-12-28 | 2021-04-02 | 江苏徐工信息技术股份有限公司 | Wind power curve optimization calculation and abnormal value detection method for wind generating set |
| CN112598539B (en) * | 2020-12-28 | 2024-01-30 | 徐工汉云技术股份有限公司 | Wind power curve optimization calculation and outlier detection method for wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106089579B (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tarnowski et al. | Variable speed wind turbines capability for temporary over-production | |
| Tan et al. | Enhanced frequency response strategy for a PMSG-based wind energy conversion system using ultracapacitor in remote area power supply systems | |
| Syahputra et al. | Modeling and simulation of wind energy conversion system in distributed generation units | |
| CN105932714B (en) | Bi-motor wind-driven generator grid-connecting apparatus, wind-driven generator and grid-connected control method | |
| Abo-Khalil et al. | Grid connection of doubly-fed induction generators in wind energy conversion system | |
| Ganthia et al. | Wind turbines in energy conversion system: Types & techniques | |
| CN106089579A (en) | The control method of wind power generating set and system | |
| Mansour et al. | Comparative study of fixed speed and variable speed wind generator with pitch angle control | |
| Ganthia et al. | Power analysis using various types of wind turbines | |
| CN102522774A (en) | Dual-motor switching control method for wind generating set | |
| EP2594786B1 (en) | Method of operating a wind turbine | |
| Bouharchouche et al. | Modeling and control of a Doubly fed induction generator with battery-supercapacitor hybrid energy storage for wind power applications | |
| CN116345527B (en) | Grid-connected control method for turbine expansion high-speed permanent magnet synchronous power generation grid-connected device | |
| CN105048496B (en) | A kind of grid-connected control method of bi-motor wind power generating set | |
| Da Silva et al. | A discussion about a start-up procedure of a doubly-fed induction generator system | |
| Wang et al. | Dynamic behaviour of a multi-MW wind turbine | |
| Syahputra et al. | Modeling of wind power plant with doubly-fed induction generator | |
| Hamatwi et al. | Control of multi-level voltage source converters integrating a wind turbine system into the grid | |
| Shanmugam et al. | Design and implementation of power electronic converters in wind turbine system | |
| CN111917348B (en) | Intelligent power generation equipment | |
| Meng et al. | Wind speed equalization-based incoming wind classification by aggregating DFIGs | |
| Liu et al. | Variable-speed wind generation control for frequency regulation in the Eastern Interconnection (EI) | |
| Salles et al. | Dynamic analysis of wind turbines considering new grid code requirements | |
| Anaya-Lara | Energy Conversion Systems for offshore wind turbines | |
| Chen et al. | Dynamics performance improvement of a power electronic interfaced wind power conversion system |
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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100000 Beijing city Changping District North Road 31 Industrial Park Patentee after: Sany Heavy Energy Co.,Ltd. Address before: 100000 Beijing city Changping District North Road 31 Industrial Park Patentee before: SANY HEAVY ENERGY Co.,Ltd. Address after: 100000 Beijing city Changping District North Road 31 Industrial Park Patentee after: SANY HEAVY ENERGY Co.,Ltd. Address before: 100000 Beijing city Changping District North Road 31 Industrial Park Patentee before: SANY HEAVY ENERGY EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |