CN109755962A - The unit allocation method, apparatus and Wind turbines that no-voltage is passed through - Google Patents
The unit allocation method, apparatus and Wind turbines that no-voltage is passed through Download PDFInfo
- Publication number
- CN109755962A CN109755962A CN201910105612.XA CN201910105612A CN109755962A CN 109755962 A CN109755962 A CN 109755962A CN 201910105612 A CN201910105612 A CN 201910105612A CN 109755962 A CN109755962 A CN 109755962A
- Authority
- CN
- China
- Prior art keywords
- voltage
- passed
- crowbar
- rotor
- allocation method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
The invention relates to a kind of unit allocation method, apparatus that no-voltage is passed through and Wind turbines.The described method includes: determining the trigger point threshold value of rotor current, the structure and parameter of crowbar circuit by modeling, emulation to parallel network circuit；When rotor current increases to trigger point threshold value, instantaneous investment has determined the crowbar circuit of structure and parameter, while rotor-side converter and rotor loop being disconnected；And setting crowbar actuation time then after, the crowbar circuit is cut out, and carry out demagnetization control and reactive power support control simultaneously in rotor-side converter, until failure completely eliminates.The unit allocation method, apparatus and Wind turbines that no-voltage of the present invention is passed through can ensure that unit safety stablizes not off-grid during no-voltage passes through test.
Description
Technical field
The present invention relates to technical field of wind power generation, more particularly to a kind of unit allocation method that no-voltage is passed through, dress
It sets and Wind turbines.
Background technique
In recent years, with the saturation of wind-powered electricity generation industry domestic market and the exploitation demand of international market, wind power equipment complete machine
Manufacturing firm goes abroad participate in market competition one after another, need to be according to quasi- before the outlet of wind-powered electricity generation complete machine according to international grid industrial practice
The requirement of exported country's Grid code, obtains complete machine low voltage ride-through capability test report.
Wherein no-voltage is passed through just as one of many national grid directive/guide requirements.So-called no-voltage ride-through capability refer to due to
Electric network fault or disturbance, when causing the Voltage Drop of set grid-connection point to zero, ability that unit can uninterruptedly be incorporated into the power networks.Cause
For China's test request not yet clearly to no-voltage ride-through capability at present, so less to the technical research.
In the prior art, the research passed through for Wind turbines no-voltage is also limited only to theoretical side.Publication number
For the Chinese invention patent application of CN102290827A, entitled " no-voltage ride through system for doubly-fed wind turbine ",
It only proposes effect of the crowbar in no-voltage crossing process, in-depth study is not carried out to it.Publication No.
The Chinese invention patent application of CN102097816A, entitled " low-voltage traversing ", only
Process when being to LVRT Capability of Wind Turbine Generator proposes a kind of software control method, does not pass through and is verified with regard to no-voltage.
Therefore, how to find the new method of one kind and realize that Wind turbines no-voltage passes through the disaster passed through as industry by no-voltage
Topic.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of unit allocation method, apparatus that no-voltage is passed through and wind turbines
Group, it can be ensured that unit safety stablizes not off-grid during no-voltage passes through test.
In order to solve the above technical problems, the present invention provides a kind of unit allocation method that no-voltage is passed through, the method
It include: that the trigger point threshold value of rotor current, the structure and ginseng of crowbar circuit are determined by modeling, the emulation to parallel network circuit
Number；When rotor current increases to the trigger point threshold value, instantaneous investment has determined the crowbar electricity of structure and parameter
Road, while rotor-side converter and rotor loop being disconnected；And setting crowbar actuation time then after, will be described
Crowbar circuit is cut out, and carries out demagnetization control and reactive power support control simultaneously in rotor-side converter, until failure is complete
It eliminates.
As a kind of improvement of technical solution of the present invention, the demagnetization control includes: to be produced by controlling rotor excited voltage
Raw negative sequence component and transient DC component with stator magnetic linkage have opposite phase relationship rotor current and corresponding magnetic flux leakage,
To offset the negative sequence component and transient DC component in stator magnetic linkage.
Trigger point threshold is determined by modeling, the emulation to parallel network circuit as a kind of improvement of technical solution of the present invention
Value, the structure and parameter of crowbar circuit, comprising: by emulation, determine whether the trigger point threshold value needs to adjust, and
The amplitude of the trigger point adjusting thresholds.
Trigger point threshold is determined by modeling, the emulation to parallel network circuit as a kind of improvement of technical solution of the present invention
Value, the structure and parameter of crowbar circuit, further includes: by emulation, determine the number of IGBT in parallel in crowbar circuit.
Trigger point threshold is determined by modeling, the emulation to parallel network circuit as a kind of improvement of technical solution of the present invention
Value, the structure and parameter of crowbar circuit, further includes: by emulation, determine the resistance value of resistance in crowbar circuit.
A kind of improvement as technical solution of the present invention, further includes: before rotor current increases to trigger point threshold value, root
According to the structure and parameter of determining trigger point threshold value and crowbar circuit, the crossing time that no-voltage is passed through is tested.
A kind of improvement as technical solution of the present invention, further includes: increase chopper circuit in grid side converter.
As a kind of improvement of technical solution of the present invention, the crowbar circuit includes: three IGBT parallel with one another,
And resistance value is the crowbar resistance of 0.13 Ω.
In addition, the present invention also provides a kind of machine set control device that no-voltage is passed through, described device includes: one or more
A processor；Storage device, for storing one or more programs, when one or more of programs are one or more of
Processor executes, so that one or more of processors realize the unit allocation method that no-voltage as previously described is passed through.
In addition, the present invention also provides a kind of Wind turbines, including crowbar circuit and zero electricity as previously described
Press to wear machine set control device more.
By adopting such a design, the present invention has at least the following advantages:
It can ensure that unit safety stablizes not off-grid during no-voltage passes through test.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the flow chart for the unit allocation method that no-voltage of the present invention is passed through；
Fig. 2 is the output waveform figure tentatively emulated；
Fig. 3 is the output waveform figure for adjusting trigger point threshold value post-simulation；
Fig. 4 is two IGBT parallel connections, the output waveform figure of conveyance capacity emulation when Ic < 1500A；
Fig. 5 is two IGBT parallel connections, the output wave of conveyance capacity emulation when Ic < 1500A (10ms), Ic < 900A (80ms)
Shape figure；
Fig. 6 is three IGBT parallel connections, the output wave of conveyance capacity emulation when Ic < 1000A (10ms), Ic < 600A (80ms)
Shape figure
Fig. 7 A the is crowbar resistance output waveform figure that emulates when being 0.25 Ω；
Fig. 7 B the is crowbar resistance output waveform figure that emulates when being 0.13 Ω；
Fig. 8 is that three-phase symmetrical no-voltage falls working condition measurement result figure；
Fig. 9 is the structure chart for the machine set control device that no-voltage of the present invention is passed through.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The difficult point that no-voltage passes through unit allocation is to need while inhibiting generator amature overcurrent and current transformer direct current
Bus overvoltage.
When network voltage asymmetry occurs and falls, double-fed generator stator magnetic linkage includes positive sequence exchange, negative phase-sequence exchange and temporarily
3 kinds of components of state direct current need to make by controlling rotor excited voltage generator to generate and negative sequence component in stator magnetic linkage and temporary
State DC component has the rotor current of opposite phase relationship and its corresponds to magnetic flux leakage, and the negative sequence component in stator magnetic linkage is offset with this
With transient DC component, i.e. demagnetization control method.By rotor-side converter capacity limit, when grid voltage sags are deeper, rotor
Side converter capacity generates demagnetization rotor current, the reactive current output of no surplus energy control double-fed generator, nothing by all
Method meets most of unit reactive power support requirement passed through in standard at present.It especially faces no-voltage and falls equal extreme cases
When, it should be coped in the method for increasing active exchange crowbar device cooperation demagnetization control.
It is instantaneous to put into crowbar device when rotor current increases to trigger point threshold value, simultaneously switch off rotor-side converter
It is connect with rotor loop, is equivalent to and seals in crowbar resistance in rotor loop, increase rotor impedance；In the crowbar of setting
Actuation time then after, crowbar device is cut out, and reserves enough response times for reactive power support, at this time rotor-side converter
Demagnetization control is carried out simultaneously and reactive power support is controlled to failure and completely eliminated.
During low (zero) voltage ride-through, double-fed generator rotor fault electric current can fill current transformer dc-link capacitance
Electricity causes DC bus overvoltage in turn, should increase DC bus-bar voltage triggering crowbar movement setting in control.The setting
When not deep prevented also from Voltage Drop amplitude, rotor fault electric current is not up to trigger point threshold value and but slowly fills to dc-link capacitance
Electricity causes the case where DC bus overvoltage.During no-voltage is passed through, grid side is substantially short-circuit, and grid side converter no longer has tune
Save DC bus-bar voltage ability, it may be considered that increase chopper circuit (D.C. resistance), limit DC bus overvoltage；It can also
To adjust DC bus trigger point threshold value after test analysis DC bus bearing capacity, while increasing crowbar device overcurrent
Releasability.
By being analyzed above it is found that the resistance selection in crowbar device is very crucial, resistance value gets over greater trochanter induction
Fault current is smaller, while excessive can also lead on rotor-side converter and rotor windings of resistance value generates overvoltage, influences direct current mother
Line voltage.The investment of crowbar and the control of excision moment are also critically important, and the selection of trigger point threshold value, which also be should give, to be fully considered.
Fig. 1 is the flow chart for the unit allocation method passed through in no-voltage of the present invention.The unit control that the no-voltage is passed through
Method processed includes the following steps:
S11 determines the trigger point threshold value of rotor current, crowbar circuit by modeling to parallel network circuit, emulation
Structure and parameter.
S12, when rotor current increases to the trigger point threshold value, instantaneous investment has determined structure and parameter
Crowbar circuit, while rotor-side converter and rotor loop being disconnected.
S13, setting crowbar actuation time then after, the crowbar circuit is cut out, and in rotor-side
Converter carries out demagnetization control and reactive power support control simultaneously, until failure completely eliminates.
In method implementation procedure shown in fig. 1, demagnetization control refers to: by controlling rotor excited voltage, generating and fixed
Negative sequence component and transient DC component in sub- magnetic linkage have opposite phase relationship rotor current and corresponding magnetic flux leakage, with offset
Negative sequence component and transient DC component in stator magnetic linkage.
Emulation to parallel network circuit operation includes: for determining the emulation of trigger point threshold value, for determining crowbar circuit
The emulation of structure, and the emulation for determining crowbar circuit parameter.Above-mentioned for determining crowbar circuit structure
It emulates for determining in crowbar circuit by the number of IGBT in parallel；And it is used to determine the emulation of crowbar circuit parameter and uses
In the resistance value for determining resistance in crowbar circuit.
Determine that the standard of trigger point threshold value is, whether the response time of crowbar circuit is sufficient.Determine crowbar electricity
The standard of IGBT number in parallel is in road, and whether maximum junction temperature has exceeded the preset junction temperature upper limit in simulation result.It determines
The standard of resistance is in crowbar circuit, and DC bus-bar voltage is more than thresholding in simulation result.
Each secondary simulated measurement process is described in detail below:
(1) preliminary simulation analysis
Before testing, no-voltage should be first carried out first to fall rotor current during pretest monitoring no-voltage is passed through and grasp
Other technologies parameter when current transformer off-grid, high power three-phase asymmetry no-voltage fall operating condition pretest current transformer monitored results
As shown in Figure 2.
As figure shows, during the no-voltage of the non-off-grid of 7ms or so is passed through, the rotor current peak value after converting in proportion is super
It crosses 1600A (amplitude, actual value are more than 2300A in figure), DC bus electricity can not be limited after rotor current triggering crowbar movement
It is pressed in secure threshold, leads to unit self-insurance off-grid.Moreover, no-voltage pass through during rotor overcurrent amplitude it is larger and fluctuation frequency
It is numerous, it is insufficient with the crowbar device response time after DC bus-bar voltage triggering crowbar movement, it can also cause DC bus mistake
Voltage leads to off-grid.Therefore, tentatively judging that rotor current activation threshold value is improper should be adjusted.
It is as shown in Figure 3 with second of test rotor current result under operating condition after adjustment rotor current trigger point threshold value.
As shown in Figure 3, during no-voltage passes through, unit not off-grid when rotor current maximum amplitude be more than 5500A, suspection
Crowbar component (IGBT) conveyance capacity (capacity) is insufficient, needs further Simulation Evaluation.
(2) crowbar component conveyance capacity simulation analysis
In the preliminary test of front, crowbar component chooses two IGBT parallel connections, and each IGBT has two bridge arms up and down, ginseng
Rotor current maximum amplitude is examined, the electric current (i.e. Ic) for flowing through the single bridge arm of IGBT does not exceed 1500A and (presses rotor current
6000A estimation, Ic calculation method is similarly hereinafter), emulation duration is set as 100ms, and simulation result is as shown in Figure 4.
As shown in Figure 4, more than 200 DEG C of maximum junction temperature (Tj-diode) (175 DEG C of the junction temperature upper limit), illustrates crowbar component
Conveyance capacity is insufficient.
It should be pointed out that two IGBT parallel connections can also be kept in crowbar component as the result is shown for second of pretest
Unit not off-grid, it appears that inconsistent with the insufficient conclusion of IGBT conveyance capacity, further analysis chart 4 is it is found that failure in pretest
Peak value reaches 5500A to the rotor current of period only in first 10ms, and peak value substantially remains in 3000A in the subsequent time
Left and right, so setting rotor current peak value 6000A, inlet time 10ms and 3600A inlet time 80ms for emulation operating condition
(practical overcurrent flows into crowbar component hour and is less than 80ms) more particularly suitable, i.e., two IGBT parallel connections in crowbar component,
Ic < 1500A (10ms), Ic < 900A (80ms).Simulation result is as shown in Figure 5.
As can be seen from Figure 5, maximum junction temperature is lower than 150 DEG C, although being not above the junction temperature upper limit, considers phantom error and setting
Crowbar component is changed to three IGBT parallel connections, i.e. Ic < 1000A (10ms), Ic < 600A (80ms), emulation knot by safe clearance
Fruit such as Fig. 6.
Fig. 6 is it is found that maximum junction temperature can satisfy testing requirement, and surplus is larger no more than 90 DEG C, it is thus determined that formal survey
Three IGBT parallel connections in examination scheme crowbar component.
(3) crowbar resistance value chooses emulation
From above it is found that the crowbar resistance of suitable resistance value need to be selected to discharge overcurrent for protection converter equipment safety
The energy of generation.For determining resistance value, emulated using the Wind turbines mathematical model based on Matlab&Simulink environment,
Operating condition is set as generator speed 1800r/min (full state), voltage starts three-phase symmetrical at the t=2s moment and falls, falls
Time 430ms, DC bus-bar voltage overvoltage protection thresholding is 1344V, as a result such as Fig. 7 A and Fig. 7 B.
In Fig. 7 A, Rcb=0.25 Ω system's unit is by the resistance value chosen when China's low voltage crossing standard, as figure shows,
When no-voltage is fallen, unit rotor electric current acutely shakes, and DC bus-bar voltage is more than thresholding, current transformer self-insurance off-grid, it is known that should
Resistance value has not been suitable for no-voltage and has fallen operating condition.When adjusting Rcb=0.15 Ω, DC bus-bar voltage is lower than 1300V, achievable
" passing through ".Equipment safety when to ensure to survey chooses Rcb=0.13 Ω, and the simulation result as known to Fig. 7 B, which also meets " passing through ", to be wanted
It asks.
To sum up, three IGBT parallel connections in crowbar device are finally determined, resistance is 0.13 Ω * 3, and corresponding capacity is
360kJ*3。
(4) on-the-spot test waveform
In this research process, the full hair power of actual test, 10%-30% power three-phase symmetrical fall and A, C phase
(asymmetry) falls totally four no-voltages and passes through operating condition.Fig. 8 is that full hair power three-phase symmetrical no-voltage falls reality under operating condition
Test result, it is found that the Australian no-voltage of test result selection passes through testing standard requirement, (no-voltage is passed through by taking Fig. 8 as an example
Time 430ms), test passes through.
Fig. 9 is the structure chart for the machine set control device that no-voltage of the present invention is passed through.Referring to Fig. 9, unit that no-voltage is passed through
Control device includes: central processing unit (CPU) 901, can according to the program being stored in read-only memory (ROM) or
Various movements appropriate and processing are executed from the program that storage section 908 is loaded into random access storage device (RAM) 903.
In RAM 903, it is also stored with various programs and data needed for system operatio.CPU 901, ROM 902 and RAM 903 are logical
Bus 904 is crossed to be connected with each other.Input/output (I/O) interface 905 is also connected to bus 904.
I/O interface 905 is connected to lower component: the importation 906 including keyboard, mouse etc.；It is penetrated including such as cathode
The output par, c 907 of spool (CRT), liquid crystal display (LCD) etc. and loudspeaker etc.；Storage section 908 including hard disk etc.；
And the communications portion 909 of the network interface card including LAN card, modem etc..Communications portion 909 via such as because
The network of spy's net executes communication process.Driver 910 is also connected to I/O interface 905 as needed.Detachable media 911, such as
Disk, CD, magneto-optic disk, semiconductor memory etc. are mounted on as needed on driver 910, in order to read from thereon
Computer program be mounted into storage section 908 as needed.
Particularly, according to embodiments of the present invention, it is soft to may be implemented as computer for the process above with reference to flow chart description
Part program.For example, the embodiment of the present invention includes a kind of computer program product comprising carrying is on a computer-readable medium
Computer program, which includes the program code for method shown in execution flow chart.In such implementation
In example, which can be downloaded and installed from network by communications portion 909, and/or from detachable media 911
It is mounted.The computer program by central processing unit (CPU) 901 execute when, execute limited in method of the invention it is upper
State function.It should be noted that computer-readable medium of the invention can be computer-readable signal media or computer
Readable storage medium storing program for executing either the two any combination.Computer readable storage medium for example can be --- but it is unlimited
In system, device or the device of --- electricity, magnetic, optical, electromagnetic, infrared ray or semiconductor, or any above combination.It calculates
The more specific example of machine readable storage medium storing program for executing can include but is not limited to: have the electrical connection, portable of one or more conducting wires
Formula computer disk, hard disk, random access storage device (RAM), read-only memory (ROM), erasable programmable read only memory
(EPROM or flash memory), optical fiber, portable compact disc read-only memory (CD-ROM), light storage device, magnetic memory device or
The above-mentioned any appropriate combination of person.In the present invention, computer readable storage medium can be it is any include or storage program
Tangible medium, which can be commanded execution system, device or device use or be used in combination.And in the present invention
In, computer-readable signal media may include in a base band or as carrier wave a part propagate data-signal, wherein
It carries and calculates readable program code.The data-signal of this propagation can take various forms, including but not limited to electromagnetism
Signal, optical signal or above-mentioned any appropriate combination.Computer-readable signal media can also be computer-readable storage
Any computer-readable medium other than medium, the computer-readable medium can send, propagate or transmit for by instructing
Execution system, device or device use or program in connection.The program generation for including on computer-readable medium
Code can use any appropriate medium transmission, including but not limited to: wirelessly, electric wire, optical cable, RF etc. or above-mentioned any
Suitable combination.
Flow chart and block diagram in attached drawing are illustrated according to the system of various embodiments of the invention, method and computer journey
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, program segment or code of table, a part of the module, program segment or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, the box of two a sequence of expressions is actually
Execution that can be substantially parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.Also it to infuse
Meaning, the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart can be with holding
The dedicated hardware based system of functions or operations as defined in row is realized, or can use specialized hardware and computer instruction
Combination realize.
Being described in unit involved in the embodiment of the present invention can be realized by way of software, can also be by hard
The mode of part is realized.
The present invention also provides a kind of Wind turbines, which includes crowbar circuit, and as previously described
The machine set control device that no-voltage is passed through.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of unit allocation method that no-voltage is passed through characterized by comprising
By modeling, the emulation to parallel network circuit, the trigger point threshold value of rotor current, the structure and ginseng of crowbar circuit are determined
Number；
When rotor current increases to the trigger point threshold value, instantaneous investment has determined the crowbar electricity of structure and parameter
Road, while rotor-side converter and rotor loop being disconnected；And
Setting crowbar actuation time then after, the crowbar circuit is cut out, and same in rotor-side converter
The control of Shi Jinhang demagnetization and reactive power support control, until failure completely eliminates.
2. the unit allocation method that no-voltage according to claim 1 is passed through, which is characterized in that the demagnetization control packet
Include: by controlling rotor excited voltage, negative sequence component and transient DC component in generation and stator magnetic linkage have opposite phase pass
The rotor current of system and corresponding magnetic flux leakage, to offset the negative sequence component and transient DC component in stator magnetic linkage.
3. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that by parallel network circuit
Modeling, emulation, determine trigger point threshold value, the structure and parameter of crowbar circuit, comprising:
By emulation, determine whether the trigger point threshold value needs to adjust and the amplitude of the trigger point adjusting thresholds.
4. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that by parallel network circuit
Modeling, emulation, determine trigger point threshold value, the structure and parameter of crowbar circuit, further includes:
By emulation, the number of IGBT in parallel in crowbar circuit is determined.
5. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that by parallel network circuit
Modeling, emulation, determine trigger point threshold value, the structure and parameter of crowbar circuit, further includes:
By emulation, the resistance value of resistance in crowbar circuit is determined.
6. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that further include:
Before rotor current increases to trigger point threshold value, according to the structure of determining trigger point threshold value and crowbar circuit
And parameter, the crossing time that test no-voltage is passed through.
7. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that further include:
Increase chopper circuit in grid side converter.
8. the unit allocation method that no-voltage according to claim 2 is passed through, which is characterized in that the crowbar circuit
It include: the crowbar resistance that three IGBT and resistance value parallel with one another are 0.13 Ω.
9. a kind of machine set control device that no-voltage is passed through characterized by comprising
One or more processors；
Storage device, for storing one or more programs,
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
Now according to claim 1 to the unit allocation method that no-voltage described in 8 any one is passed through.
10. a kind of Wind turbines characterized by comprising crowbar circuit and no-voltage according to claim 9
The machine set control device passed through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105612.XA CN109755962A (en) | 2019-02-01 | 2019-02-01 | The unit allocation method, apparatus and Wind turbines that no-voltage is passed through |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105612.XA CN109755962A (en) | 2019-02-01 | 2019-02-01 | The unit allocation method, apparatus and Wind turbines that no-voltage is passed through |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109755962A true CN109755962A (en) | 2019-05-14 |
Family
ID=66407175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910105612.XA Pending CN109755962A (en) | 2019-02-01 | 2019-02-01 | The unit allocation method, apparatus and Wind turbines that no-voltage is passed through |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109755962A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635513A (en) * | 2019-11-13 | 2019-12-31 | 山东大学 | Doubly-fed wind turbine fault ride-through method and system based on explicit model predictive control |
| CN111628684A (en) * | 2020-05-21 | 2020-09-04 | 山东大学 | Optimized de-excitation control method and system for fault ride-through of doubly-fed wind turbine |
| CN113013913A (en) * | 2019-12-19 | 2021-06-22 | 新疆金风科技股份有限公司 | Wind power plant reactive voltage control system and method |
| CN118157524A (en) * | 2024-03-14 | 2024-06-07 | 广州擎天实业有限公司 | Method and device for detecting overcurrent of inverter bridge of alternating-current excitation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178548A (en) * | 2013-04-11 | 2013-06-26 | 华北电力大学 | Symmetrical fault ride-through control method of double-fed wind generator set |
| CN103427438A (en) * | 2013-07-05 | 2013-12-04 | 国家电网公司 | Double-fed wind power system high voltage ride through control method based on chopper circuit |
-
2019
- 2019-02-01 CN CN201910105612.XA patent/CN109755962A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178548A (en) * | 2013-04-11 | 2013-06-26 | 华北电力大学 | Symmetrical fault ride-through control method of double-fed wind generator set |
| CN103427438A (en) * | 2013-07-05 | 2013-12-04 | 国家电网公司 | Double-fed wind power system high voltage ride through control method based on chopper circuit |
Non-Patent Citations (1)
| Title |
|---|
| 蔡恩雨 等: ""双馈风电机组零电压穿越能力测试方案"", 《电力系统自动化》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635513A (en) * | 2019-11-13 | 2019-12-31 | 山东大学 | Doubly-fed wind turbine fault ride-through method and system based on explicit model predictive control |
| CN110635513B (en) * | 2019-11-13 | 2021-07-06 | 山东大学 | Doubly-fed wind turbine fault ride-through method and system based on explicit model predictive control |
| CN113013913A (en) * | 2019-12-19 | 2021-06-22 | 新疆金风科技股份有限公司 | Wind power plant reactive voltage control system and method |
| CN113013913B (en) * | 2019-12-19 | 2024-01-23 | 金风科技股份有限公司 | Reactive voltage control system and method for wind farm |
| CN111628684A (en) * | 2020-05-21 | 2020-09-04 | 山东大学 | Optimized de-excitation control method and system for fault ride-through of doubly-fed wind turbine |
| CN111628684B (en) * | 2020-05-21 | 2021-11-02 | 山东大学 | Optimized de-excitation control method and system for fault ride-through of doubly-fed wind turbine |
| CN118157524A (en) * | 2024-03-14 | 2024-06-07 | 广州擎天实业有限公司 | Method and device for detecting overcurrent of inverter bridge of alternating-current excitation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109755962A (en) | The unit allocation method, apparatus and Wind turbines that no-voltage is passed through | |
| Shah et al. | Impedance methods for analyzing stability impacts of inverter-based resources: Stability analysis tools for modern power systems | |
| Brochu et al. | Validation of single-and multiple-machine equivalents for modeling wind power plants | |
| Chandrasekar et al. | Dynamic phasor modeling of type 3 DFIG wind generators (including SSCI phenomenon) for short-circuit calculations | |
| CN103605014A (en) | Test platform for large energy storage converters | |
| Gagnon et al. | Hydro-Québec strategy to evaluate electrical transients following wind power plant integration in the Gaspésie transmission system | |
| CN106814263A (en) | A kind of grid-connected detecting system of HWIL simulation and method | |
| CN108429431A (en) | A kind of current transformer and its control method based on virtual synchronous generator | |
| CN115358079A (en) | Method for constructing real-time simulation model of wind power plant station and impedance characteristic evaluation method | |
| CN108508360A (en) | Based on RT-Lab Double-feed wind powers virtual synchronous generator performance test method and system | |
| CN104215904A (en) | System and method for low-voltage ride-through test of full-power converter wind generating set | |
| CN111221266A (en) | Simulation test system and test method suitable for microgrid black start | |
| CN109190320A (en) | Parallel Heterogeneous simulation method suitable for ADPSS double-fed blower closed-loop test | |
| Zhao et al. | Assessment of wind farm models from a transmission system operator perspective using field measurements | |
| CN104298121B (en) | The dual feedback wind power generation system simulation experiment platform of Control-oriented technical research | |
| CN109800455A (en) | A kind of idle characteristic Simulation method and apparatus of double-fed fan motor unit transient state | |
| Li et al. | Research on HIL-based HVRT and LVRT automated test system for photovoltaic inverters | |
| Yu et al. | Investigations of the constraints relating to penetration of non-synchronous generation (NSG) in future power systems | |
| Morren et al. | Grid interaction of offshore wind farms. Part 1. Models for dynamic simulation | |
| CN204129734U (en) | A kind of digital dynamic realtime emulation system | |
| CN109450316A (en) | The simplification method and system of direct-drive type blower based on PWM | |
| CN108964145A (en) | A kind of low-frequency load shedding, overfrequency cut the test method and system of machine device | |
| CN207924103U (en) | System is tested based on RT-Lab Double-feed wind power virtual synchronous generator performances | |
| Guo et al. | Variation of short-circuit current in the power system with large-scale wind power centralized access | |
| Kariyawasam et al. | Real-Time Simulation of a Microgrid Control System using MODBUS Communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190514 |