CN109802429A - A kind of double-fed fan motor unit electromagnetical transient emulation method and device - Google Patents
A kind of double-fed fan motor unit electromagnetical transient emulation method and device Download PDFInfo
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Abstract
The present invention provides a kind of double-fed fan motor unit electromagnetical transient emulation method and devices, obtain the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；Power amplification model is constructed based on the simulation parameter of operating parameter and single machine model；Electromagnetic transient simulation is carried out to double-fed fan motor unit based on power amplification model；Simulation parameter includes main circuit parameter and control parameter, and the present invention can be realized the large scale emulation of double-fed fan motor unit, and it is small that simulation process occupies resource, and simulation accuracy is high.The stable state and the active and reactive characteristic of transient state for the power amplification model established in the present invention are consistent with the stable state of single machine model and the active and reactive characteristic of transient state, it can be by N times of power amplification of separate unit double-fed fan motor unit by power amplification model, thousands of MW even more massive wind power plant simulation model can be built with power amplification model few in number, meets the requirement of large-scale wind power field transient analysis test.
Description
Technical field
The present invention relates to electromagnetic simulation technique fields, and in particular to a kind of double-fed fan motor unit electromagnetical transient emulation method and
Device.
Background technique
In order to emulate to Large Scale Wind Farm Integration, need to establish corresponding simulation model.But the knot of wind generator system
Structure is complicated, and the fine degree of simulation model will directly determine the precision of simulation result.Wind power plant modeling and simulating is generally 1:1 at present
Detailed value model, the power of separate unit Wind turbines is generally 1.5MW, 2MW or 3MW at present, if press Wind turbines reality
Modeling power, if desired builds the simulation model of a 100MW, then needs the single machine model with five or six ten Wind turbines, if
The simulation model of thousands of MW is built it is necessary to use the single machine model of thousands of Wind turbines, active computer memory is had exceeded, imitates
The ability of true software memory, existing emulation platform cannot achieve.Due to having hundreds and thousands of in the wind power plant of actual motion
Wind turbines will emulate entire wind power plant, and single machine model is unable to satisfy requirement, current general method be 35kV simultaneously
Site carries out electric current and multiplies again, if but this method multiplier amount exceeds certain numerical value again, voltage and current just will appear oscillation,
Oscillation seriously will chaser, the emulation of large-scale wind power unit cannot be achieved, to oscillation-damped, it is necessary to increase filter,
But will affect the characteristic of this Shen of Wind turbines, the simulation process occupancy resource for causing wind-powered electricity generation to increase unit is huge, and simulation accuracy
It is low.
Summary of the invention
In order to overcome it is above-mentioned cannot achieve in the prior art large scale emulation, simulation process occupy resource it is huge and emulation
The low deficiency of precision, the present invention provide a kind of double-fed fan motor unit electromagnetical transient emulation method and device, obtain simulated double-fed
The operating parameter of Wind turbines and the simulation parameter of single machine model；Simulation parameter structure based on the operating parameter and single machine model
Rate of making contributions scale-up model；Electromagnetic transient simulation is carried out to double-fed fan motor unit based on the power amplification model；The emulation ginseng
Number includes main circuit parameter and control parameter, and the present invention can be realized the large scale emulation of double-fed fan motor unit, and simulation process accounts for
It is small with resource, and simulation accuracy is high.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that:
On the one hand, the present invention provides a kind of electromagnetical transient emulation method of double-fed fan motor unit, comprising:
Obtain the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；
Power amplification model is constructed based on the simulation parameter of the operating parameter and single machine model；
Electromagnetic transient simulation is carried out to double-fed fan motor unit based on the power amplification model；
The simulation parameter includes main circuit parameter and control parameter.
The building of the power amplification model, comprising:
Determine power amplification model to the multiple N of the single machine model based on the number of units of simulated double-fed fan motor unit；
The parameter of the single machine model is adjusted to obtain power amplification model parameter；
Wherein, be adjusted to the parameter of the single machine model includes: that the parameter of the single machine model is expanded N times, contracting
It small N times or remains unchanged.
The main circuit parameter include double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and
Grid-side converter filtering parameter；
The double feedback electric engine parameter includes between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Mutual inductance and rated capacity；
The generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtering
Resistance；
The control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current of net side current-variable controller
Ring control parameter；
The current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
The parameter to the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
When sense: the mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor is contracted
It is N times small；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times.
The parameter to the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded
It is N times big.
The parameter to the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, by the filter resistance and filtered electrical of the single machine model
Sense reduces N times.
The parameter to the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the electric current of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When ring control parameter: by the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Current loop control parameter reduces N times.
On the other hand, the present invention also provides a kind of electromagnetic transient simulation devices of double-fed fan motor unit, comprising:
Module is obtained, for obtaining the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；
Modeling module, for constructing power amplification model based on the simulation parameter of the operating parameter and single machine model；
Emulation module, for carrying out electromagnetic transient simulation to double-fed fan motor unit based on the power amplification model；
The simulation parameter includes main circuit parameter and control parameter.
The modeling module includes:
Determination unit, for determining power amplification model to the single machine mould based on the number of units of simulated double-fed fan motor unit
The multiple N of type；
Adjustment unit is adjusted to obtain power amplification model parameter for the parameter to the single machine model；
Wherein, be adjusted to the parameter of the single machine model includes: that the parameter of the single machine model is expanded N times, contracting
It small N times or remains unchanged.
The main circuit parameter include double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and
Grid-side converter filtering parameter；
The double feedback electric engine parameter includes between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Mutual inductance and rated capacity；
The generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtering
Resistance；
The control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current of net side current-variable controller
Ring control parameter；
The current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
The adjustment unit is specifically used for:
When the simulation parameter is mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
When sense: the mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor is contracted
It is N times small；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times.
The adjustment unit is specifically used for:
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded
It is N times big.
The adjustment unit is specifically used for:
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, by the filter resistance and filtered electrical of the single machine model
Sense reduces N times.
The adjustment unit is specifically used for:
When the electric current of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When ring control parameter: by the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Current loop control parameter reduces N times.
Compared with the immediate prior art, technical solution provided by the invention is had the advantages that
In double-fed fan motor unit electromagnetical transient emulation method provided by the invention, the fortune of simulated double-fed fan motor unit is obtained
The simulation parameter of row parameter and single machine model；Power amplification mould is constructed based on the simulation parameter of the operating parameter and single machine model
Type；Electromagnetic transient simulation is carried out to double-fed fan motor unit based on the power amplification model；The simulation parameter includes main circuit
Parameter and control parameter, the present invention can be realized the large scale emulation of double-fed fan motor unit, and it is small and imitative that simulation process occupies resource
True precision is high；
The stable state and the active and reactive characteristic of transient state of the power amplification model established in the present invention and the stable state of single machine model and
The active and reactive characteristic of transient state is consistent, can be used N times of power amplification of separate unit double-fed fan motor unit by power amplification model
Power amplification model few in number can build thousands of MW even more massive wind power plant simulation model, meet extensive
The requirement of wind power plant transient analysis test.
Detailed description of the invention
Fig. 1 is the electromagnetical transient emulation method flow chart of double-fed fan motor unit in the embodiment of the present invention；
Fig. 2 is single machine model structure in the embodiment of the present invention；
Fig. 3 is the net side current-variable controller schematic diagram of power amplification model in the embodiment of the present invention；
Fig. 4 is the pusher side current-variable controller schematic diagram of power amplification model in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
The embodiment of the present invention 1 provides a kind of electromagnetical transient emulation method of double-fed fan motor unit, specific flow chart such as Fig. 1
Shown, detailed process is as follows:
S101: the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model are obtained；
S102: power amplification model is constructed based on the simulation parameter of the operating parameter and single machine model；
S103: electromagnetic transient simulation is carried out to double-fed fan motor unit based on the power amplification model；
Simulation parameter includes main circuit parameter and control parameter.
The building of above-mentioned power amplification model, detailed process are as follows:
Determine power amplification model to the multiple N of the single machine model based on the number of units of simulated double-fed fan motor unit；
The parameter of single machine model is adjusted to obtain power amplification model parameter；
Wherein, be adjusted to the parameter of single machine model includes: that the parameter of single machine model is expanded N times, N times is reduced or protects
It holds constant.
The structure chart of above-mentioned single machine model is as shown in Fig. 2, AC is AC power source, and T is transformer, and WC Controller is
Net side current-variable controller, JC Controller are pusher side current-variable controller, Lwcl、Rwcl、CwclThe respectively filter of grid-side converter
Wave inductance, filter resistance and filter inductance, Ljcl、Rjcl、CjclThe respectively filter inductance, filter resistance of generator-side converter wear and filter
Wave inductance, CdcFor dc-link capacitance, M is double-fed fan motor unit.
Main circuit parameter includes double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and net side
Current transformer filtering parameter；
Double feedback electric engine parameter includes mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Sense and rated capacity；
Generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtered electrical
Resistance；
Control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current loop control of net side current-variable controller
Parameter processed；
Current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
The parameter of the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
When sense: the mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor is contracted
It is N times small；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times.
The parameter of the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded
It is N times big.
The parameter of the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, by the filter resistance and filtered electrical of the single machine model
Sense reduces N times.
The parameter of the single machine model is adjusted to obtain power amplification model parameter, comprising:
When the electric current of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When ring control parameter: by the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Current loop control parameter reduces N times, as shown in figure 3, Ud′cFor the DC bus-bar voltage of power amplification model, Ug′abcIt is put for power
Large-sized model network voltage, U 'wabcFor power amplification model grid-side converter voltage, I 'wabcFor power amplification model grid-side converter
Electric current, K 'WIpFor power amplification model net side current-variable controller electric current loop proportionality coefficient, K 'WIiFor the change of power amplification model net side
Stream controller electric current loop integral coefficient, KWIpFor single machine model net side current-variable controller electric current loop proportionality coefficient, KWIiFor single machine mould
Type net side current-variable controller electric current loop integral coefficient, N are power amplification multiple；Simultaneously also by the pusher side unsteady flow of power amplification model
The respective electric current loop proportionality coefficient of controller and electric current loop integral coefficient are set as the pusher side current-variable controller electric current of single machine model
The 1/N of ring proportionality coefficient and electric current loop integral coefficient, as shown in figure 4, Ur′abcFor the rotor of power amplification prototype side controller
Voltage, Us′abcFor the stator voltage of power amplification prototype side controller, Ir′abcFor turning for power amplification prototype side controller
Electron current, Is′abcFor the stator current of power amplification prototype side controller, KJ′IpFor power amplification model pusher side Variable flow control
Device electric current loop proportionality coefficient, KJ′IiFor power amplification model pusher side current-variable controller electric current loop integral coefficient, KJIpFor single machine model
Pusher side current-variable controller electric current loop proportionality coefficient, KJIiFor single machine model pusher side current-variable controller electric current loop integral coefficient.
Embodiment 2
Based on the same inventive concept, the embodiment of the present invention 2 also provides a kind of electromagnetic transient simulation dress of double-fed fan motor unit
It sets, including obtains module, modeling module and emulation module, the function of above-mentioned several modules is described in detail below:
Module is obtained, for obtaining the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；
Modeling module, for constructing power amplification model based on the simulation parameter of the operating parameter and single machine model；
Emulation module, for carrying out electromagnetic transient simulation to double-fed fan motor unit based on power amplification model；
The simulation parameter includes main circuit parameter and control parameter.
Above-mentioned modeling module includes:
Determination unit, for determining power amplification model to the single machine mould based on the number of units of simulated double-fed fan motor unit
The multiple N of type；
Adjustment unit is adjusted to obtain power amplification model parameter for the parameter to the single machine model；
Wherein, be adjusted to the parameter of the single machine model includes: that the parameter of the single machine model is expanded N times, contracting
It small N times or remains unchanged.
Main circuit parameter includes double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and net side
Current transformer filtering parameter；
Double feedback electric engine parameter includes mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Sense and rated capacity；
Generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtered electrical
Resistance；
Control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current loop control of net side current-variable controller
Parameter processed；
Current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
Adjustment unit is adjusted the parameter of the single machine model to obtain power amplification model parameter, and detailed process is such as
Under:
When the simulation parameter is mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
When sense: the mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor is contracted
It is N times small；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times；
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded
It is N times big；
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, by the filter resistance and filtered electrical of the single machine model
Sense reduces N times.
When the electric current of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When ring control parameter: by the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Current loop control parameter reduces N times.
For convenience of description, each section of apparatus described above is divided into various modules with function or unit describes respectively.
Certainly, each module or the function of unit can be realized in same or multiple softwares or hardware when implementing the application.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (14)
1. a kind of electromagnetical transient emulation method of double-fed fan motor unit characterized by comprising
Obtain the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；
Power amplification model is constructed based on the simulation parameter of the operating parameter and single machine model；
Electromagnetic transient simulation is carried out to double-fed fan motor unit based on the power amplification model；
The simulation parameter includes main circuit parameter and control parameter.
2. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 1, which is characterized in that the power is put
The building of large-sized model, comprising:
Determine power amplification model to the multiple N of the single machine model based on the number of units of simulated double-fed fan motor unit；
The parameter of the single machine model is adjusted to obtain power amplification model parameter；
Wherein, be adjusted to the parameter of the single machine model includes: that the parameter of the single machine model is expanded N times, reduces N times
Or it remains unchanged.
3. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 2, which is characterized in that the main circuit
Parameter includes double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and grid-side converter filtering parameter；
The double feedback electric engine parameter includes mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Sense and rated capacity；
The generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtered electrical
Resistance；
The control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current loop control of net side current-variable controller
Parameter processed；
The current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
4. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 3, which is characterized in that described to described
The parameter of single machine model is adjusted to obtain power amplification model parameter, comprising:
When mutual inductance of the simulation parameter between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor:
N is reduced into mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor
Times；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times.
5. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 4, which is characterized in that described to described
The parameter of single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded N
Times.
6. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 5, which is characterized in that described to described
The parameter of single machine model is adjusted to obtain power amplification model parameter, comprising:
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, the filter resistance of the single machine model and filter inductance are contracted
It is N times small.
7. the electromagnetical transient emulation method of double-fed fan motor unit according to claim 6, which is characterized in that described to described
The parameter of single machine model is adjusted to obtain power amplification model parameter, comprising:
When the electric current loop control of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When parameter processed: by the electric current of the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Ring control parameter reduces N times.
8. a kind of electromagnetic transient simulation device of double-fed fan motor unit characterized by comprising
Module is obtained, for obtaining the operating parameter of simulated double-fed fan motor unit and the simulation parameter of single machine model；
Modeling module, for constructing power amplification model based on the simulation parameter of the operating parameter and single machine model；
Emulation module, for carrying out electromagnetic transient simulation to double-fed fan motor unit based on the power amplification model；
The simulation parameter includes main circuit parameter and control parameter.
9. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 8, which is characterized in that the modeling mould
Block includes:
Determination unit, for determining power amplification model to the single machine model based on the number of units of simulated double-fed fan motor unit
Multiple N；
Adjustment unit is adjusted to obtain power amplification model parameter for the parameter to the single machine model；
Wherein, be adjusted to the parameter of the single machine model includes: that the parameter of the single machine model is expanded N times, reduces N times
Or it remains unchanged.
10. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 9, which is characterized in that the main electricity
Road parameter includes double feedback electric engine parameter, generator-side converter wear filtering parameter, dc-link capacitance parameter and grid-side converter filtering ginseng
Number；
The double feedback electric engine parameter includes mutual between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor
Sense and rated capacity；
The generator-side converter wear filtering parameter and grid-side converter filtering parameter include filter capacitor, filter inductance and filtered electrical
Resistance；
The control parameter includes the current loop control parameter of pusher side current-variable controller and the electric current loop control of net side current-variable controller
Parameter processed；
The current loop control parameter includes electric current loop proportionality coefficient and electric current loop integral coefficient.
11. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 10, which is characterized in that the adjustment
Unit is specifically used for:
When mutual inductance of the simulation parameter between stator resistance, stator inductance, rotor resistance, inductor rotor, stator and rotor:
N is reduced into mutual inductance between the stator resistance of the single machine model, stator inductance, rotor resistance, inductor rotor, stator and rotor
Times；
When the simulation parameter is rated capacity: the rated capacity of the single machine model is expanded N times.
12. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 11, which is characterized in that the adjustment
Unit is specifically used for:
When the simulation parameter is dc-link capacitance parameter: the dc-link capacitance parameter of the single machine model is expanded N
Times.
13. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 12, which is characterized in that the adjustment
Unit is specifically used for:
When the simulation parameter is filter capacitor: the filter capacitor of the single machine model is expanded N times；
When the simulation parameter is filter resistance and filter inductance, the filter resistance of the single machine model and filter inductance are contracted
It is N times small.
14. the electromagnetic transient simulation device of double-fed fan motor unit according to claim 13, which is characterized in that the adjustment
Unit is specifically used for:
When the electric current loop control of current loop control parameter and net side current-variable controller that the simulation parameter is pusher side current-variable controller
When parameter processed: by the electric current of the current loop control parameter of the pusher side current-variable controller of the single machine model and net side current-variable controller
Ring control parameter reduces N times.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811611853.3A CN109802429A (en) | 2018-12-27 | 2018-12-27 | A kind of double-fed fan motor unit electromagnetical transient emulation method and device |
Applications Claiming Priority (1)
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| CN115061384A (en) * | 2022-05-11 | 2022-09-16 | 国网山东省电力公司电力科学研究院 | Single-motor double-unit direct-drive fan semi-physical simulation electromagnetic model building method |
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