CN106020168B - Double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and method - Google Patents
Double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and method Download PDFInfo
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- CN106020168B CN106020168B CN201610509546.9A CN201610509546A CN106020168B CN 106020168 B CN106020168 B CN 106020168B CN 201610509546 A CN201610509546 A CN 201610509546A CN 106020168 B CN106020168 B CN 106020168B
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
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- 238000004088 simulation Methods 0.000 claims abstract description 72
- 230000003362 replicative effect Effects 0.000 claims abstract description 12
- 230000005284 excitation Effects 0.000 claims description 18
- 238000010998 test method Methods 0.000 claims description 16
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- 230000001360 synchronised effect Effects 0.000 claims description 3
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- 238000004590 computer program Methods 0.000 description 7
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
Abstract
The invention discloses a kind of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and method, wherein system includes：Power electronics real-time simulation platform, the power electronics real-time simulation platform build the real-timedigital simulation model including power grid, wind farm device and double-fed Fan Equipment；The real-timedigital simulation model is downloaded to after real time implementation in the replicating machine of the power electronics real-time simulation platform；Double-fed controller of fan to be measured by the input/output interface of the replicating machine, is attached with the real-timedigital simulation model.The present invention can with flexible and convenient realize double-fed wind turbine subsynchronous resonance hardware-in―the-loop test, and close to engineering reality, make test result more accurate.
Description
Technical field
The present invention relates to technical field of electric power more particularly to double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and sides
Method.
Background technology
Wind-powered electricity generation has become the important component of China's energy strategy.But since China's quite most wind-powered electricity generation concentrates on
The Northwests such as Xinjiang, Gansu, the Inner Mongol, and China Energy Load center concentrates on the southeastern coastal areas, therefore is carrying out
The Transmission Mode of high voltage, large capacity must be taken to realize " transferring electricity from the west to the east " during power Transmission.In view of creating transmission line of electricity institute
The problems such as project cost brought, corridor of transmitting electricity occupy, the conveying capacity for improving existing alternating current circuit has very important meaning
Justice.Series capacitor compensation is added in transmission line of electricity can reduce line reactance, improve transmission system steady state stability limit and conveying
Ability.
With the development of transmission system, series capacitor compensation is more and more applied, and also achieves preferable economic effect
Benefit.But this remote, high series compensatnig degree power transmission mode may induce the Sub-synchronous Resonance of wind power system, so as to shadow
Ring the safe and stable operation of large-scale wind power base and delivery system.At present, only it is to recognize wind power system from academicly qualitative
It is mended by string in the presence of the risk of generation subsynchronous resonance when conveying, but without a set of effective quantitative measuring method and is
System.
At present to the analysis of wind-powered electricity generation subsynchronous resonance mainly using characteristic value calculating and the method for time-domain-simulation, characteristic value meter
Calculate the parameter for needing double-fed unit detailed, it tends to be difficult to obtain；The wind turbine model of time-domain-simulation generally use classics, does not consider
Different manifestations of the wind turbine of different manufacturers in subsynchronous resonance, and time-domain-simulation has differences with actual conditions, with engineering
Practical consistency needs to be checked.Therefore, also lack at present it is a kind of close to engineering it is practical, it is practicable, it can be considered that different
The subsynchronous resonance test method and system of producer's product differentiation.
Invention content
The embodiment of the present invention provides a kind of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system, to flexible and convenient
It realizes double-fed wind turbine subsynchronous resonance hardware-in―the-loop test, and close to engineering reality, makes test result more accurate, the double-fed wind
Machine subsynchronous resonance hardware-in―the-loop test system includes：
Power electronics real-time simulation platform, the power electronics real-time simulation platform has been built to be set including power grid, wind power plant
Standby and double-fed Fan Equipment real-timedigital simulation model；The real-timedigital simulation model is downloaded to described after real time implementation
In the replicating machine of power electronics real-time simulation platform；
Double-fed controller of fan to be measured, by the input/output interface of the replicating machine, with the real-timedigital simulation mould
Type is attached.
In one embodiment, the power grid includes infinitely great voltage, transmission line of electricity, transformer and string and mends；The wind power plant
Equipment includes the transformer of wind power plant and collects circuit；The double-fed Fan Equipment includes shafting, motor, the unsteady flow of Wind turbines
Device main circuit, protection circuit and filter branch.
In one embodiment, the analog quantity of the real-timedigital simulation model output includes：Network voltage, power network current,
Stator voltage, stator current, voltage on line side, net side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage,
One of Crowbar voltages and rotor speed or arbitrary combination；
The digital quantity of the real-timedigital simulation model output includes：Net side contactor switching signal and/or excitation contact
Device switching signal.
In one embodiment, the digital quantity of the real-timedigital simulation mode input includes：Net side current transformer IGBT pulses
Signal, pusher side current transformer IGBT pulse signals, one of net side contactor switching signal and excitation contactor switching signal or
Arbitrary combination.
In one embodiment, the power electronics real-time simulation platform includes RT-LAB.
The embodiment of the present invention also provides a kind of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method, to flexible and convenient
Double-fed wind turbine subsynchronous resonance hardware-in―the-loop test is realized on ground, and close to engineering reality, makes test result more accurate, the double-fed
Wind turbine subsynchronous resonance hardware-in―the-loop test method includes：
In above-mentioned double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system access double-fed controller of fan to be measured；
By setting the parameter of operating condition or double-fed controller of fan, the double-fed wind turbine subsynchronous resonance hardware is excited
Subsynchronous resonance occurs in ring test system；
The voltage and current signal of the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system is extracted, is analyzed described double
Present the subsynchronous resonance feature of wind turbine subsynchronous resonance hardware-in―the-loop test system；
Change the parameter of operating condition or double-fed controller of fan, repeat above-mentioned excitation subsynchronous resonance and analysis is subsynchronous
The process of resonance-characteristic.
In one embodiment, by setting operating condition, the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test is excited
Subsynchronous resonance occurs for system, including：
By putting into the series compensation capacitance on circuit in the real-timedigital simulation model, the double-fed wind turbine is excited
Subsynchronous resonance occurs for synchronous resonant hardware-in―the-loop test system.
In one embodiment, by setting operating condition, the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test is excited
Subsynchronous resonance occurs for system, including：
Wind speed in operating mode is emulated by reduction, the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system is excited to send out
Raw subsynchronous resonance；
Or, change grid-connected wind turbine number of units in emulation operating mode to grid-connected wind turbine number of units in setting range when, described in excitation
Subsynchronous resonance occurs for double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system.
In one embodiment, by setting the parameter of double-fed controller of fan, the double-fed wind turbine subsynchronous resonance is excited
Subsynchronous resonance occurs for hardware-in―the-loop test system, including：
By setting pusher side and net side current transformer inner and outer ring control parameter, the double-fed wind turbine subsynchronous resonance hardware is excited
Subsynchronous resonance occurs in ring test system.
In one embodiment, by setting pusher side and net side current transformer inner and outer ring control parameter, the double-fed wind turbine is excited
Subsynchronous resonance occurs for subsynchronous resonance hardware-in―the-loop test system, including：
It is more than setting value by setting pusher side current transformer current inner loop proportionality coefficient, excites the double-fed wind turbine subsynchronous humorous
Subsynchronous resonance occurs for hardware-in―the-loop test system of shaking.
In embodiments of the present invention, it is double by building the progress of real-timedigital simulation model in power electronics real-time simulation platform
Wind turbine subsynchronous resonance hardware-in―the-loop test is presented, compared with the existing scheme calculated using characteristic value, without obtaining double-fed unit
Detailed parameter, you can imitated in real time using power electronics real-time simulation platform and the double-fed controller of fan to be measured connected
Very, double-fed wind turbine subsynchronous resonance is analyzed.
In embodiments of the present invention, Digital Simulation is combined with practical double-fed controller of fan to be measured, with existing use
Time-domain-simulation method measure double-fed wind turbine mathematical model subsynchronous resonance compare, digital simulation model can according to different manufacturers into
Row differentiation designs, and is not only applicable to classical double-fed wind turbine model, and considers that the power grid of physical presence, wind power plant are set
The links such as standby and double-fed Fan Equipment can make test result more accurate；And consider practical double-fed controller of fan
It influences, test process can be made to promote the directive significance to engineering reality closer to engineering reality.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.In the accompanying drawings：
Fig. 1 is the schematic diagram of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system in the embodiment of the present invention；
Fig. 2 is the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system example based on RT-LAB in the embodiment of the present invention
Figure；
Fig. 3 is the schematic diagram of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method in the embodiment of the present invention；
Fig. 4 is that double-fed wind turbine subsynchronous resonance hardware-in―the-loop test result subsynchronous resonance waveform is real in the embodiment of the present invention
Illustration.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are more clearly understood, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in further details.Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
It for flexible and convenient realizes double-fed wind turbine subsynchronous resonance hardware-in―the-loop test, and close to engineering reality, makes survey
Test result is more accurate, and the embodiment of the present invention provides a kind of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system, such as Fig. 1 institutes
Show, which can include：
Power electronics real-time simulation platform 1, power electronics real-time simulation platform 1 built including power grid, wind farm device,
And the real-timedigital simulation model 11 of double-fed Fan Equipment；Real-timedigital simulation model 11 is downloaded to power electronics after real time implementation
In the replicating machine 12 of real-time simulation platform 1；
Double-fed controller of fan 2 to be measured, by the input/output interface 121 of replicating machine 12, with real-timedigital simulation model
11 are attached.
It is known that the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system of the embodiment of the present invention, can realize double
The hardware-in―the-loop test of controller of fan is presented, test condition and operation work can be flexibly set in real-timedigital simulation model
Condition, convenient and flexible operation, and using physical controller, it is closer completely using the scheme of Digital Simulation compared in the prior art
Engineering is practical.The test system is realized it can be considered that the influence of practical controller to the subsynchronous humorous of different manufacturers double-fed wind turbine
It shakes measurement.
The double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system in embodiment, can be in real-timedigital simulation model
Different operating conditions or modification controller parameter etc. are set, and whether test under different test conditions can occur subsynchronous resonance
And response condition according to double-fed wind turbine etc. analyzes the subsynchronous resonance feature under different test conditions, so as to be surveyed by emulating
Double-fed wind turbine subsynchronous resonance characteristic is comprehensively analyzed in examination.
When it is implemented, a variety of power electronics real-time simulation platforms, which may be used, realizes double-fed wind turbine subsynchronous resonance hardware
In ring test.Such as the power electronics real-time simulation platforms such as RT-LAB progress double-fed wind turbine subsynchronous resonance hardware can be based on and existed
Ring test.By taking RT-LAB as an example, it can be built in RT-LAB including power grid, wind farm device and double-fed Fan Equipment etc.
Real-timedigital simulation model, by the double-fed controller of fan of certain producer by the I/O interface of RT-LAB replicating machines with being taken in RT-LAB
The real-timedigital simulation model built is connected, so as to fulfill the hardware-in-loop simulation system tested for double-fed wind turbine subsynchronous resonance
System, the system form a closed-loop system using double-fed fan converter controller material object and digital simulation model.
When it is implemented, the power grid in real-timedigital simulation model can include infinitely great voltage, transmission line of electricity, transformer
And string benefit etc.；Wind farm device can include the transformer of wind power plant and collect circuit etc.；Double-fed Fan Equipment can include wind
The shafting of motor group, motor, main circuit of converter, protection circuit and filter branch etc..It can be in real-timedigital simulation model
Specific operating condition is set, and excitation subsynchronous resonance is analyzed.
Fig. 2 is the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system example based on RT-LAB in the embodiment of the present invention
Figure.As shown in Fig. 2, including the infinitely great voltage for representing bulk power grid in the RT-LAB real-timedigital simulation models built, studied
The transmission line of electricity of power grid, transformer and string are mended etc., the transformer of wind power plant and collect the equipment such as circuit, the shafting of Wind turbines,
The mathematical model of motor, main circuit of converter, protection circuit and filter branch etc..Real-timedigital simulation model can after real time implementation
To be compiled into C code, and download in RT-LAB replicating machines.What is be connected in Fig. 2 with real-timedigital simulation model is double-fed wind
Machine controller is in kind, and the market-oriented product of different manufacturers may be used, with the control installed in the double-fed wind turbine of scene operation
Device processed is consistent；The product developed can also be used to be tested.Controller material object passes through with real-timedigital simulation model
I/O interface on RT-LAB replicating machines is attached.Transmission line, voltage source, the wind on digital simulation model are shown in Fig. 2
Machine collects line, Wind turbines controller material object etc., further it is shown that the 220KV voltage signals of the output of replicating machine I/O interface or input,
Set end voltage signal, generator terminal current signal and air-blower control signal.
When it is implemented, the analog quantity of real-timedigital simulation model output can include：Network voltage, is determined power network current
Sub- voltage, stator current, voltage on line side, net side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage,
One of Crowbar voltages and rotor speed etc. or arbitrary combination.When it is implemented, the number of real-timedigital simulation model output
Word amount can include：Net side contactor switching signal and/or excitation contactor switching signal etc..When it is implemented, real-time digital
The digital quantity of simulation model input can include：Net side current transformer IGBT pulse signals, pusher side current transformer IGBT pulse signals, net
One of side contactor switching signal and excitation contactor switching signal etc. or arbitrary combination.
Fig. 3 is the schematic diagram of double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method in the embodiment of the present invention, such as Fig. 3 institutes
Show, which can include：
Step 301, in above-mentioned double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system access double-fed air-blower control to be measured
Device；
Step 302, the parameter by setting operating condition or double-fed controller of fan excite double-fed wind turbine subsynchronous resonance
Subsynchronous resonance occurs for hardware-in―the-loop test system；
Step 303, the voltage and current signal for extracting double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system, analysis are double
Present the subsynchronous resonance feature of wind turbine subsynchronous resonance hardware-in―the-loop test system；
Step 304, the parameter for changing operating condition or double-fed controller of fan repeat above-mentioned excitation subsynchronous resonance and divide
Analyse the process of subsynchronous resonance feature.
As previously mentioned, double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method can be by reality in the embodiment of the present invention
Double-fed controller of fan is linked into above-mentioned double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system, makes test result and engineering
Reality is more closely, in turn avoid the limitation of on-the-spot test.The test method can be to different manufacturers controller subsynchronous
Response condition under resonance conditions is tested, and convenient for assessing the risk of its subsynchronous resonance, delimited subsynchronous resonance and is stablized side
Boundary.
As an example, the testing procedure of double-fed wind turbine subsynchronous resonance can be as follows：
1. using double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system above, double-fed air-blower control to be measured is accessed
Device.
2. by setting specific operating condition or controller parameter etc., double-fed wind turbine subsynchronous resonance hardware in loop is excited
Test system subsynchronous resonance.
3. extracting the electrical quantity such as voltage, electric current, subsynchronous resonance feature is analyzed.
4. changing emulation operating mode or controller parameter etc., test double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system exists
Whether subsynchronous resonance feature subsynchronous resonance and different condition under can be occurred under different condition.By emulation testing to double
The subsynchronous resonance characteristic of feedback wind turbine subsynchronous resonance hardware-in―the-loop test system is comprehensively analyzed.
When it is implemented, by setting operating condition, excitation double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system hair
A variety of methods may be used in raw subsynchronous resonance, for example, can be by putting into the series connection on circuit in real-timedigital simulation model
Subsynchronous resonance occurs for compensating electric capacity, excitation double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system.It can be first in embodiment
The string in real-timedigital simulation model is first mended into short circuit, double-fed wind turbine is connected to the real-timedigital simulation model mended not comprising string,
After stable, input string is mended, and excites subsynchronous resonance.For another example, the wind speed in operating mode can be emulated by reduction, excitation is double
It presents wind turbine subsynchronous resonance hardware-in―the-loop test system and subsynchronous resonance occurs.Or, thus it is possible to vary it is grid-connected in emulation operating mode
Wind turbine number of units to grid-connected wind turbine number of units in setting range when, excitation double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system hair
Raw subsynchronous resonance.When grid-connected wind turbine number of units is in a certain particular range, system damping is worst, is easiest to occur subsynchronous humorous
It shakes.
When it is implemented, the parameter by setting double-fed controller of fan, excitation double-fed wind turbine subsynchronous resonance hardware exists
Subsynchronous resonance, which occurs, for ring test system can also use a variety of methods, for example, by setting inside and outside pusher side and net side current transformer
Subsynchronous resonance occurs for ring control parameter, excitation double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system.For example, pass through setting
Pusher side current transformer current inner loop proportionality coefficient is more than setting value, and excitation double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system is sent out
Raw subsynchronous resonance.When pusher side current transformer current inner loop proportionality coefficient is larger, double-fed wind turbine negative damping absolute value is larger, more holds
Subsynchronous resonance easily occurs.
As an example, using above-mentioned double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system, certain domestic mainstream unsteady flow is accessed
The 2MW double-fed controller of fan of device controller producer, the subsynchronous resonance waveform obtained under specific operation are as shown in Figure 4.
In conclusion in embodiments of the present invention, by building real-timedigital simulation in power electronics real-time simulation platform
Model carries out double-fed wind turbine subsynchronous resonance hardware-in―the-loop test, compared with the existing scheme calculated using characteristic value, without obtaining
The parameter for taking double-fed unit detailed, you can utilize power electronics real-time simulation platform and the double-fed controller of fan to be measured connected
Real-time simulation is carried out, analyzes double-fed wind turbine subsynchronous resonance；
In embodiments of the present invention, Digital Simulation is combined with practical double-fed controller of fan to be measured, with existing use
Time-domain-simulation method measure double-fed wind turbine mathematical model subsynchronous resonance compare, digital simulation model can according to different manufacturers into
Row differentiation designs, and is not only applicable to classical double-fed wind turbine model, and considers that the power grid of physical presence, wind power plant are set
The links such as standby and double-fed Fan Equipment can make test result more accurate；And consider practical double-fed controller of fan
It influences, test process can be made to promote the directive significance to engineering reality closer to engineering reality.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware can be used in the present invention
Apply the form of example.Moreover, the computer for wherein including computer usable program code in one or more can be used in the present invention
The computer program production that usable storage medium is implemented on (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
The processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices is generated for real
The device of function specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps are performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction offer performed on other programmable devices is used to implement in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (9)
- A kind of 1. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method, which is characterized in that including：In double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system access double-fed controller of fan to be measured；The double-fed wind turbine Synchronous resonant hardware-in―the-loop test system includes：Power electronics real-time simulation platform, the power electronics real-time simulation platform are taken Have the real-timedigital simulation model including power grid, wind farm device and double-fed Fan Equipment；The real-timedigital simulation model It is downloaded to after real time implementation in the replicating machine of the power electronics real-time simulation platform；Double-fed controller of fan to be measured, passes through institute The input/output interface of replicating machine is stated, is attached with the real-timedigital simulation model；By setting the parameter of operating condition or double-fed controller of fan, the double-fed wind turbine subsynchronous resonance hardware in loop is excited Subsynchronous resonance occurs for test system；The voltage and current signal of the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system is extracted, analyzes the double-fed wind The subsynchronous resonance feature of machine subsynchronous resonance hardware-in―the-loop test system；Change the parameter of operating condition or double-fed controller of fan, repeat above-mentioned excitation subsynchronous resonance and analysis subsynchronous resonance The process of feature.
- 2. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that the power grid It is mended including infinitely great voltage, transmission line of electricity, transformer and string；The wind farm device includes the transformer of wind power plant and collects line Road；The double-fed Fan Equipment includes shafting, motor, main circuit of converter, protection circuit and the filter branch of Wind turbines.
- 3. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that described real-time The analog quantity of digital simulation model output includes：Network voltage, power network current, stator voltage, stator current, voltage on line side, net One of side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage, Crowbar voltages and rotor speed or Arbitrary combination；The digital quantity of the real-timedigital simulation model output includes：Net side contactor switching signal and/or excitation contactor close Lock signal.
- 4. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that described real-time The digital quantity of digital simulation model input includes：Net side current transformer IGBT pulse signals, pusher side current transformer IGBT pulse signals, net One of side contactor switching signal and excitation contactor switching signal or arbitrary combination.
- 5. such as Claims 1-4 any one of them double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method, feature exists In the power electronics real-time simulation platform includes RT-LAB.
- 6. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that pass through setting Operating condition excites the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system that subsynchronous resonance occurs, including：By putting into the series compensation capacitance on circuit in the real-timedigital simulation model, excite the double-fed wind turbine subsynchronous Subsynchronous resonance occurs for resonance hardware-in―the-loop test system.
- 7. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that pass through setting Operating condition excites the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system that subsynchronous resonance occurs, including：Wind speed in operating mode is emulated by reduction, the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system is excited to occur secondary Synchronous resonant；Or, change emulation operating mode in grid-connected wind turbine number of units to grid-connected wind turbine number of units in setting range when, excite the double-fed Subsynchronous resonance occurs for wind turbine subsynchronous resonance hardware-in―the-loop test system.
- 8. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as described in claim 1, which is characterized in that pass through setting The parameter of double-fed controller of fan excites the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system to occur subsynchronous humorous It shakes, including：By setting pusher side and net side current transformer inner and outer ring control parameter, the double-fed wind turbine subsynchronous resonance hardware in loop is excited Subsynchronous resonance occurs for test system.
- 9. double-fed wind turbine subsynchronous resonance hardware-in―the-loop test method as claimed in claim 8, which is characterized in that pass through setting Pusher side and net side current transformer inner and outer ring control parameter excite the double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system to occur Subsynchronous resonance, including：It is more than setting value by setting pusher side current transformer current inner loop ratio system, excites the double-fed wind turbine subsynchronous resonance hard In ring test system subsynchronous resonance occurs for part.
Priority Applications (2)
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| CN106020168B (en) * | 2016-06-30 | 2018-06-15 | 华北电力科学研究院有限责任公司 | Double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and method |
| CN108073150A (en) * | 2016-11-10 | 2018-05-25 | 中国电力科学研究院 | Wind turbines Power Control test platform and its method based on hardware-in-loop simulation |
| CN106527408A (en) * | 2016-12-26 | 2017-03-22 | 中国西电电气股份有限公司 | Power electronic controller test system based on RT-LAB real-time digital simulation platform |
| CN106646069A (en) * | 2017-02-10 | 2017-05-10 | 国网冀北电力有限公司张家口供电公司 | Direct drive wind power generator subsynchronous resonance testing system and method |
| CN110737204B (en) * | 2018-07-20 | 2021-06-29 | 中国农业大学 | Method for establishing greenhouse model with temperature controlled by solar heat pump |
| CN109884387B (en) * | 2019-02-21 | 2021-06-08 | 国网吉林省电力有限公司 | Testing method of new energy grid-connected subsynchronous oscillation monitoring protection device |
| CN110083935B (en) * | 2019-04-26 | 2022-10-28 | 信阳师范学院 | Auxiliary design method and device for double-fed fan controller |
| CN111969607B (en) * | 2019-12-24 | 2024-02-27 | 武汉理工大学 | dSPACE-based distributed power flow controller series side closed loop simulation test method |
| CN113126518A (en) * | 2020-01-16 | 2021-07-16 | 江苏和网源电气有限公司 | Double-fed fan converter control system test platform |
| CN113742952B (en) * | 2020-05-27 | 2024-04-02 | 中车株洲电力机车研究所有限公司 | Method and system for verifying rotor system structure simulation and test of permanent magnet synchronous motor |
| CN112882503A (en) * | 2021-01-27 | 2021-06-01 | 杭州和利时自动化有限公司 | Double-fan output balance adjusting method, device and equipment |
| CN113252359A (en) * | 2021-05-14 | 2021-08-13 | 宝能(广州)汽车研究院有限公司 | Equipment test system and method |
| CN115440364B (en) * | 2022-11-07 | 2023-01-24 | 四川港通医疗设备集团股份有限公司 | Vacuum unit operation intelligent management method and system based on artificial intelligence |
| CN115933443B (en) * | 2023-03-02 | 2023-05-16 | 国网江西省电力有限公司电力科学研究院 | Fan modeling method based on joint inspection of RT-LAB hardware in loop and PSASP |
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