CN204783482U - Double -fed formula wind generating set frequency -variable controller's capability test simulation platform - Google Patents
Double -fed formula wind generating set frequency -variable controller's capability test simulation platform Download PDFInfo
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- CN204783482U CN204783482U CN201520494881.7U CN201520494881U CN204783482U CN 204783482 U CN204783482 U CN 204783482U CN 201520494881 U CN201520494881 U CN 201520494881U CN 204783482 U CN204783482 U CN 204783482U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a double -fed formula wind generating set frequency -variable controller's capability test simulation platform, including the real -time digital simulation ware of RTDS, a plurality of voltage signal power amplifier, a plurality of current signal power amplifier and a plurality of optoelectronic isolation device, wherein, the real -time digital simulation ware of RTDS is equipped with analog output interface board and digital quantity input interface board. The utility model discloses the electric wire netting digital simulation model that contain double -fed formula wind generating set is establish with the real -time digital simulation ware of RTDS, through a plurality of pressure signal power amplifiers, electric current signal power amplifier and optoelectronic isolation device are with the real -time digital simulation ware of RTDS and receive test double -fed formula wind generating set frequency -variable controller material object to carry out signal connection, form half real -time loop -locked wind generator system in kind of digit - physics developments, the messenger receives the test double -fed formula wind generating set frequency -variable controller material object capability test that can network with the electric wire netting digital simulation model of the real -time digital simulation ware of RTDS, has the test result accuracy, the efficient advantage.
Description
Technical field
The utility model relates to a kind of testing property emulation platform of double-feedback aerogenerator group frequency-variable controller, belongs to new energy equipment performance technical field of measurement and test.
Background technique
Double-feedback aerogenerator group is that the overwhelming majority is transporting or building the mainstream model of wind energy turbine set in the world at present, and frequency-variable controller is the core component of double-feedback aerogenerator group, and its performance directly determines device security and the operational efficiency of wind energy turbine set.The effect major embodiment of frequency-variable controller is in two aspects: one is that the variable speed constant frequency realizing double-feedback aerogenerator group mechanical energy converting electrical energy controls; Two ride-through capabilities realizing wind power generating set when being low voltage failure of electric network reach standard.The conventional method of frequency-variable controller testing property is pure physics (material object) model test, but physical test manpower and materials cost is high, the cycle is long, efficiency is low and physical model is poor to entire system equivalence, the method that therefore there is no so far is carried out frequency-variable controller networking targetedly and is detected.
Model utility content
Technical problem to be solved in the utility model is: the testing property emulation platform providing a kind of double-feedback aerogenerator group frequency-variable controller.
Solve the problems of the technologies described above, the technological scheme that the utility model adopts is as follows:
A testing property emulation platform for double-feedback aerogenerator group frequency-variable controller, is characterized in that:
Described testing property emulation platform comprises RTDS Real Time Digital Simulator, multiple voltage signal power amplifier, multiple current signal power amplifier and multiple optical isolation, wherein, described RTDS Real Time Digital Simulator is provided with analog output interface circuit plate and digital-quantity input interface plate; Described RTDS Real Time Digital Simulator sets up the digital simulation model had containing double-feedback aerogenerator group by actual parameter, this digital simulation model comprises wind energy conversion system and wind energy-mechanical energy conversion and control model, inductive asynchronous generator model, two PWM converter field circuit model and AC network equivalent model;
Described RTDS Real Time Digital Simulator converts the current transformer stator side ac voltage signal in described pair of PWM converter field circuit model and current transformer rotor-side ac voltage signal to analog output respectively by described analog output interface circuit plate, further, each the road analog amount in two groups of voltage signal analog amounts of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described voltage signal power amplifier;
Described RTDS Real Time Digital Simulator converts the current transformer stator side ac current signal in described pair of PWM converter field circuit model to analog output by described analog output interface circuit plate, further, each the road analog amount in the current signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described current signal power amplifier;
Described RTDS Real Time Digital Simulator converts current transformer IGBT electric current, DC bus-bar voltage and the rotor position angle in described pair of PWM converter field circuit model to analog output respectively by described analog output interface circuit plate, further, each the road analog amount changed in the analog amount of output by this three all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation;
Described RTDS Real Time Digital Simulator converts the circuit breaker in described AC network equivalent model and contactor state signal to analog output respectively by described analog output interface circuit plate, further, each the road analog amount in the state signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation;
Described digital-quantity input interface plate receives current transformer IGBT ignition pulse signal and the circuit breaker/contactor control signal of tested person double-feedback aerogenerator group frequency-variable controller output respectively by two described optical isolations, and, the current transformer IGBT ignition pulse signal received is converted to digital output to two PWM converter field circuit models of described RTDS Real Time Digital Simulator by described digital-quantity input interface plate, the circuit breaker received/contactor control signal is converted to digital output to the AC network equivalent model of described RTDS Real Time Digital Simulator by described digital-quantity input interface plate.
As a kind of mode of execution of the present utility model, wind energy-mechanical energy conversion and control the model of described wind energy conversion system is the wind energy-mechanical energy conversion and control model by maximal power point tracking Strategy Design, described RTDS Real Time Digital Simulator converts the maximal power point tracking P/Q control command in described wind energy conversion system wind energy-mechanical energy conversion and control model to analog output by described analog output interface circuit plate, and, outputted to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation by the control command analog amount exported.
Compared with prior art, the utility model has following beneficial effect:
First, the utility model RTDS Real Time Digital Simulator sets up digital simulation model containing double-feedback aerogenerator group (i.e. double-feedback aerogenerator group and electrical network once lead back and wind energy conversion system control), and by multiple voltage signal power amplifier, RTDS Real Time Digital Simulator is carried out signal with tested person double-feedback aerogenerator group frequency-variable controller material object and is connected by multiple current signal power amplifier and multiple optical isolation, form half wind-power generating system in kind of numeral-physics dynamic realtime closed loop, thus, the digital simulation model that tested person double-feedback aerogenerator group frequency-variable controller material object can utilize RTDS Real Time Digital Simulator to set up carries out networking testing property, there is test result accurate, efficient advantage.
Second, applied range of the present utility model, can be used for the test of tested person double-feedback aerogenerator group frequency-variable controller various performance index in kind, the idle grid connection Control experiment of such as double-feedback aerogenerator group, the load test of double-feedback aerogenerator group, change wind speed maximal power point tracking test (i.e. variable speed constant frequency wind-merit characteristic test), the test of variable speed constant frequency power limitation control, meritorious-idle uneoupled control test, the test of two PWM converter efficacy test, emergency cutoff, electrical network in various degree low voltage failure pass through test etc.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the schematic block circuit diagram of testing property emulation platform of the present utility model.
Embodiment
As shown in Figure 1, the testing property emulation platform of double-feedback aerogenerator group frequency-variable controller of the present utility model, comprise RTDS Real Time Digital Simulator, multiple voltage signal power amplifier, multiple current signal power amplifier and multiple optical isolation, wherein, RTDS Real Time Digital Simulator is provided with analog output interface circuit plate and digital-quantity input interface plate; RTDS Real Time Digital Simulator sets up the digital simulation model had containing double-feedback aerogenerator group by actual parameter, this digital simulation model comprises wind energy conversion system and wind energy-mechanical energy conversion and control model, inductive asynchronous generator model, two PWM converter field circuit model and AC network equivalent model; Wherein, maximal power point tracking Strategy Design pressed by the wind energy-mechanical energy conversion and control model of wind energy conversion system, and low voltage failure of electric network protection element is the Crowbar circuit of current transformer DC bus and the installing of current transformer rotor-side.
Above-mentioned RTDS Real Time Digital Simulator is connected in the following manner with tested person double-feedback aerogenerator group frequency-variable controller material object:
RTDS Real Time Digital Simulator converts the current transformer stator side ac voltage signal in two PWM converter field circuit model and current transformer rotor-side ac voltage signal to analog output respectively by analog output interface circuit plate, further, each the road analog amount in two groups of voltage signal analog amounts of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a voltage signal power amplifier.
RTDS Real Time Digital Simulator converts the current transformer stator side ac current signal in two PWM converter field circuit model to analog output by analog output interface circuit plate, further, each the road analog amount in the current signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a current signal power amplifier.
RTDS Real Time Digital Simulator converts current transformer IGBT electric current, DC bus-bar voltage and the rotor position angle in two PWM converter field circuit model to analog output respectively by analog output interface circuit plate, further, each the road analog amount changed in the analog amount of output by this three all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by an optical isolation.
RTDS Real Time Digital Simulator converts the maximal power point tracking P/Q control command in wind energy conversion system wind energy-mechanical energy conversion and control model to analog output by analog output interface circuit plate, further, outputted to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by an optical isolation by the control command analog amount exported.
RTDS Real Time Digital Simulator converts the circuit breaker in AC network equivalent model and contactor state signal to analog output respectively by analog output interface circuit plate, further, each the road analog amount in the state signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by an optical isolation.
Digital-quantity input interface plate receives current transformer IGBT ignition pulse signal and the circuit breaker/contactor control signal of tested person double-feedback aerogenerator group frequency-variable controller output respectively by two optical isolations, and, the current transformer IGBT ignition pulse signal received is converted to digital output to two PWM converter field circuit models of RTDS Real Time Digital Simulator by digital-quantity input interface plate, digital-quantity input interface plate converts the circuit breaker received/contactor control signal to digital output to the AC network equivalent model of RTDS Real Time Digital Simulator.
In above-mentioned testing property emulation platform, each link meets time shaft homogeneity and dynamic real-time, and all component models parameters are all arranged by real system device parameter.
Thus, testing property emulation platform of the present utility model defines half wind-power generating system in kind of numeral-physics dynamic realtime closed loop, the digital simulation model making tested person double-feedback aerogenerator group frequency-variable controller material object that RTDS Real Time Digital Simulator can be utilized to set up carries out networking testing property, comprise the idle grid connection Control experiment of double-feedback aerogenerator group, the load test of double-feedback aerogenerator group, become wind speed maximal power point tracking test (i.e. variable speed constant frequency wind-merit characteristic test), variable speed constant frequency power limitation control is tested, meritorious-idle uneoupled control test, two PWM converter efficacy test, emergency cutoff is tested, electrical network in various degree low voltage failure passes through test etc.
The utility model is not limited to above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of related domain; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; the utility model can also make the equivalent modifications of other various ways, replacement or change, all drops among protection domain of the present utility model.
Claims (2)
1. a testing property emulation platform for double-feedback aerogenerator group frequency-variable controller, is characterized in that:
Described testing property emulation platform comprises RTDS Real Time Digital Simulator, multiple voltage signal power amplifier, multiple current signal power amplifier and multiple optical isolation, wherein, described RTDS Real Time Digital Simulator is provided with analog output interface circuit plate and digital-quantity input interface plate; Described RTDS Real Time Digital Simulator sets up the digital simulation model had containing double-feedback aerogenerator group, and this digital simulation model comprises wind energy conversion system and wind energy-mechanical energy conversion and control model, inductive asynchronous generator model, two PWM converter field circuit model and AC network equivalent model;
Described RTDS Real Time Digital Simulator converts the current transformer stator side ac voltage signal in described pair of PWM converter field circuit model and current transformer rotor-side ac voltage signal to analog output respectively by described analog output interface circuit plate, further, each the road analog amount in two groups of voltage signal analog amounts of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described voltage signal power amplifier;
Described RTDS Real Time Digital Simulator converts the current transformer stator side ac current signal in described pair of PWM converter field circuit model to analog output by described analog output interface circuit plate, further, each the road analog amount in the current signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described current signal power amplifier;
Described RTDS Real Time Digital Simulator does not convert the current transformer IGBT electric current in described pair of PWM converter field circuit model, DC bus-bar voltage and the rotor-position reduction of fractions to a common denominator to analog output by described analog output interface circuit plate, further, each the road analog amount changed in the analog amount of output by this three all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation;
Described RTDS Real Time Digital Simulator converts the circuit breaker in described AC network equivalent model and contactor state signal to analog output respectively by described analog output interface circuit plate, further, each the road analog amount in the state signal analog amount of output all outputs to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation;
Described digital-quantity input interface plate receives current transformer IGBT ignition pulse signal and the circuit breaker/contactor control signal of tested person double-feedback aerogenerator group frequency-variable controller output respectively by two described optical isolations, and, the current transformer IGBT ignition pulse signal received is converted to digital output to two PWM converter field circuit models of described RTDS Real Time Digital Simulator by described digital-quantity input interface plate, the circuit breaker received/contactor control signal is converted to digital output to the AC network equivalent model of described RTDS Real Time Digital Simulator by described digital-quantity input interface plate.
2. testing property emulation platform according to claim 1, it is characterized in that: the wind energy-mechanical energy conversion and control model of described wind energy conversion system is the wind energy-mechanical energy conversion and control model by maximal power point tracking Strategy Design, described RTDS Real Time Digital Simulator converts the maximal power point tracking P/Q control command in described wind energy conversion system wind energy-mechanical energy conversion and control model to analog output by described analog output interface circuit plate, and, outputted to the corresponding signal input terminal of tested person double-feedback aerogenerator group frequency-variable controller by a described optical isolation by the control command analog amount exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520494881.7U CN204783482U (en) | 2015-07-08 | 2015-07-08 | Double -fed formula wind generating set frequency -variable controller's capability test simulation platform |
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| CN201520494881.7U CN204783482U (en) | 2015-07-08 | 2015-07-08 | Double -fed formula wind generating set frequency -variable controller's capability test simulation platform |
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| CN204783482U true CN204783482U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134506A (en) * | 2015-07-08 | 2015-12-09 | 广东电网有限责任公司电力科学研究院 | Performance test simulation platform of doubly-fed type wind turbine generator system frequency conversion controller |
-
2015
- 2015-07-08 CN CN201520494881.7U patent/CN204783482U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134506A (en) * | 2015-07-08 | 2015-12-09 | 广东电网有限责任公司电力科学研究院 | Performance test simulation platform of doubly-fed type wind turbine generator system frequency conversion controller |
| CN105134506B (en) * | 2015-07-08 | 2017-08-25 | 广东电网有限责任公司电力科学研究院 | A kind of performance test emulation platform of double-feedback aerogenerator group frequency-variable controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170825 |