CN102354125B - Comprehensive simulation system for low-voltage passing of wind turbine and method - Google Patents
Comprehensive simulation system for low-voltage passing of wind turbine and method Download PDFInfo
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- CN102354125B CN102354125B CN 201110306473 CN201110306473A CN102354125B CN 102354125 B CN102354125 B CN 102354125B CN 201110306473 CN201110306473 CN 201110306473 CN 201110306473 A CN201110306473 A CN 201110306473A CN 102354125 B CN102354125 B CN 102354125B
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Abstract
The invention discloses a comprehensive simulation system for low-voltage passing of a wind turbine and a method. The system comprises a Bladed unit, a RTDS (real-time digital system) unit, a PLC (programmable logic controller) and an interface unit, wherein the Bladed unit is used for simulating aerodynamic characteristics of the wind turbine and characteristics of a transmission chain, the RTDS unit is used for simulating an electrical part of a generator set, and the PLC is used for verifying master control strategies and testing the logic of master control programs via the comprehensive simulation system for the low-voltage passing of the wind turbine, and also collecting signals of each part of the wind turbine to simulate operation of the wind turbine. By adopting the technical scheme, the low-voltage passing function of the wind turbine can be simulated, and the low-voltage passing characteristics of the wind turbine can also be simulated to obtain characteristics of each device in the low-voltage passing of the wind turbine and to guide development and application of the low-voltage passing function of the actual wind turbine.
Description
Technical field
The present invention relates to technical field of wind power generation, relate in particular to a kind of comprehensive simulation system for low-voltage passing of wind turbine and method.
Background technology
Along with wind-power electricity generation constantly develops, its proportion in electric system is also increasing in recent years.Because the power generation characteristics of wind-power electricity generation self can affect to the operation of electrical network, especially the service ability of wind power generating set plays key effect to operation of power networks when electric network fault.If the wind-powered electricity generation unit does not possess the electric network fault service ability, when line voltage fell, all wind-powered electricity generation units all can cut out, and this will make whole electrical network be unfavorable for recovering, more may cause whole electric network fault, so many national requirements wind power generating set possess the electric network fault service ability.China State Grid Corporation of China has also issued wind energy turbine set access electric power network technique regulation, requires not only can not arbitrarily break away from electrical network during the electric network fault, but also must provide necessary active power to electrical network.World today's wind-power market development is swift and violent, and the wind energy turbine set installed capacity is risen year by year, and especially in some developed countries of America and Europe, the shared mains supply ratio of wind-power electricity generation is very high, surpasses 20% such as Denmark.And wind-power electricity generation must satisfy the electrical network requirement just can with generate electricity and can send into electrical network, can't not be incorporated into the power networks so do not possess the wind power generating set of low voltage ride-through function, and the wind power generating set that possesses low voltage ride-through function just can be incorporated into the power networks after must meeting associated electrical net rules through dependence test authentication.
Many for these reasons wind-powered electricity generation units manufacturer begins to put forth effort to develop the LVRT Capability of Wind Turbine Generator function, and whether can satisfy relevant electrical network laws and regulations requirement just becomes the requirement that realizes the LVRT Capability of Wind Turbine Generator function.Low voltage ride-through function has special requirement to each equipment of wind-powered electricity generation unit, and these equipment comprise wind-powered electricity generation unit master control system, current transformer, pitch-controlled system, generator, gear case and shaft coupling etc.The characteristic of these equipment directly affects the LVRT Capability of Wind Turbine Generator characteristic, sets up LVRT Capability of Wind Turbine Generator comprehensive simulation platform and realizes actual LVRT Capability of Wind Turbine Generator function so need badly at present.
Summary of the invention
The object of the invention is to propose a kind of comprehensive simulation system for low-voltage passing of wind turbine and method, can simulate wind turbine generator system low voltage and wear function, the LVRT Capability of Wind Turbine Generator characteristic is carried out emulation, draw the wind-powered electricity generation unit characteristic that each equipment shows in the low voltage crossing process, be used for instructing exploitation and the application of actual LVRT Capability of Wind Turbine Generator function.
For reaching this purpose, the present invention by the following technical solutions:
A kind of comprehensive simulation system for low-voltage passing of wind turbine, comprise the Bladed unit, the RTDS unit, PLC controller and interface unit, wherein the Bladed unit further comprises aerodynamic model module and driving-chain model module, the RTDS unit comprises the electrical model module, the aerodynamic model module is connected with the driving-chain model module, the driving-chain model module is connected with the electrical model module by interface unit, the aerodynamic model module, the driving-chain model module is connected with the PLC controller with the electrical model module and is connected, wherein
The Bladed unit is used for the aerodynamic characteristic of simulation wind-powered electricity generation unit and the characteristic of driving-chain;
The RTDS unit is used for the genset electric part is carried out emulation;
The PLC controller is tested for by comprehensive simulation system for low-voltage passing of wind turbine the master control strategy being verified with the master control program logic, and by simulating wind-powered electricity generation unit master control work after wind-powered electricity generation unit each several part signal is gathered.
Also comprise the Matlab unit, the Matlab unit is used for data to be processed and wave form analysis.
A kind of LVRT Capability of Wind Turbine Generator comprehensive simulation method may further comprise the steps:
Aerodynamic characteristic and the driving-chain characteristic of wind-powered electricity generation unit simulated in A, Bladed unit according to wind-powered electricity generation unit aerodynamic parameter;
B, RTDS unit simulation genset machine characteristic;
C, data communication device are crossed interface unit and are exchanged;
D, PLC controller carry out the checking of main control strategy and the test of wind-powered electricity generation unit steering logic by comprehensive simulation system for low-voltage passing of wind turbine;
E, RTDS unit simulation line voltage fall, and carry out the LVRT Capability of Wind Turbine Generator functional test;
Data and the waveform of F, record simulated experiment, the Matlab unit is analyzed data and waveform.
Further comprising the steps of after the step F:
Return step e after the wind-powered electricity generation unit parameter is optimized, until reach control target and low voltage crossing requirement.
Adopted technical scheme of the present invention, can realize to wind-powered electricity generation unit main control strategy checking, wind-powered electricity generation unit control program logic is tested, the LVRT Capability of Wind Turbine Generator characteristic is carried out emulation, draw the characteristic that the wind-powered electricity generation unit shows in the low voltage crossing process, be used for instructing exploitation and the application of actual LVRT Capability of Wind Turbine Generator function.
Description of drawings
Fig. 1 is the structural representation of comprehensive simulation system for low-voltage passing of wind turbine in the specific embodiment of the invention.
Fig. 2 is LVRT Capability of Wind Turbine Generator comprehensive simulation process flow diagram in the specific embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
Fig. 1 is the structural representation of comprehensive simulation system for low-voltage passing of wind turbine in the specific embodiment of the invention.As shown in Figure 1, this comprehensive simulation system for low-voltage passing of wind turbine comprises fan design (Bladed) unit, real-timedigital simulation instrument (Real Time Digital Simulator, RTDS) unit, programmable logic controller (PLC) (Programmable Logic Controller, PLC) and interface unit.
Wherein the Bladed unit further comprises aerodynamic model module and driving-chain model module, the RTDS unit comprises the electrical model module, the aerodynamic model module is connected with the driving-chain model module, the driving-chain model module is connected with the electrical model module by interface unit, and aerodynamic model module, driving-chain model module and electrical model module are connected with the PLC controller and are connected.
The aerodynamic characteristic of Bladed unit simulation wind-powered electricity generation unit and the characteristic of driving-chain, the RTDS unit carries out emulation to the genset electric part, and the PLC controller carries out the checking of main control strategy and the test of wind-powered electricity generation unit steering logic by comprehensive simulation system for low-voltage passing of wind turbine.
Also comprise in addition the Matlab unit, data processing and wave form analysis are realized in the Matlab unit.
Fig. 2 is LVRT Capability of Wind Turbine Generator comprehensive simulation process flow diagram in the specific embodiment of the invention.As shown in Figure 2, this LVRT Capability of Wind Turbine Generator comprehensive simulation flow process may further comprise the steps:
Aerodynamic characteristic and the driving-chain characteristic of wind-powered electricity generation unit simulated in step 201, Bladed unit according to wind-powered electricity generation unit aerodynamic parameter.
Data and the waveform of step 206, record simulated experiment, the Matlab unit is analyzed data and waveform.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. comprehensive simulation system for low-voltage passing of wind turbine, it is characterized in that, comprise the fan design unit, real-timedigital simulation instrument unit, PLC controller and interface unit, wherein the fan design unit further comprises aerodynamic model module and driving-chain model module, real-timedigital simulation instrument unit comprises the electrical model module, the aerodynamic model module is connected with the driving-chain model module, the driving-chain model module is connected with the electrical model module by interface unit, the aerodynamic model module, the driving-chain model module is connected with the PLC controller with the electrical model module and is connected, wherein
The fan design unit is used for the aerodynamic characteristic of simulation wind-powered electricity generation unit and the characteristic of driving-chain;
Real-timedigital simulation instrument unit is used for the genset electric part is carried out emulation;
The PLC controller is tested for by comprehensive simulation system for low-voltage passing of wind turbine the master control strategy being verified with the master control program logic, and by simulating wind-powered electricity generation unit master control work after wind-powered electricity generation unit each several part signal is gathered.
2. a kind of comprehensive simulation system for low-voltage passing of wind turbine according to claim 1 is characterized in that, also comprises the Matlab unit, and the Matlab unit is used for data to be processed and wave form analysis.
3. a LVRT Capability of Wind Turbine Generator comprehensive simulation method is characterized in that, may further comprise the steps:
Aerodynamic characteristic and the driving-chain characteristic of wind-powered electricity generation unit simulated in A, fan design unit according to wind-powered electricity generation unit aerodynamic parameter;
B, real-timedigital simulation instrument unit simulation genset machine characteristic;
C, data communication device are crossed interface unit and are exchanged;
D, PLC controller carry out the checking of main control strategy and the test of wind-powered electricity generation unit steering logic by comprehensive simulation system for low-voltage passing of wind turbine;
E, real-timedigital simulation instrument unit simulation line voltage fall, and carry out the LVRT Capability of Wind Turbine Generator functional test;
Data and the waveform of F, record simulated experiment, the Matlab unit is analyzed data and waveform.
4. a kind of LVRT Capability of Wind Turbine Generator comprehensive simulation method according to claim 3 is characterized in that, and is further comprising the steps of after the step F:
Return step e after the wind-powered electricity generation unit parameter is optimized, until reach control target and low voltage crossing requirement.
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| CN102854463B (en) * | 2012-03-31 | 2015-05-20 | 江苏新誉重工科技有限公司 | Megawatt wind power simulation test system and test method |
| CN102799722B (en) * | 2012-07-05 | 2017-09-26 | 中国电力科学研究院 | A kind of wind power plant low voltage ride-through capability emulation verification method |
| CN102819221B (en) * | 2012-08-08 | 2016-05-25 | 中国电力科学研究院 | LVRT Capability of Wind Turbine Generator characteristic associative simulation model and joint simulation method thereof |
| CN102830692B (en) * | 2012-08-08 | 2015-09-09 | 中国电力科学研究院 | Wind turbines master control system low voltage crossing conformance test method |
| CN104865084B (en) * | 2015-04-30 | 2017-10-27 | 国电联合动力技术有限公司 | A kind of Wind turbines overspeed test method of testing |
| CN104865845B (en) * | 2015-05-06 | 2018-03-23 | 上海交通大学 | Large-scale wind electricity unit real time execution controls union simulation platform and its construction method |
| CN105549423B (en) * | 2016-01-06 | 2019-08-09 | 上海交通大学 | Wind turbine yaw system and pitch system refined real-time simulation platform and method |
| CN116300526A (en) * | 2023-03-07 | 2023-06-23 | 国网冀北电力有限公司电力科学研究院 | Simulation system and simulation method for wind turbines |
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| US7844440B2 (en) * | 2006-07-07 | 2010-11-30 | Edsa Micro Corporation | Systems and methods for real-time dynamic simulation of uninterruptible power supply solutions and their control logic systems |
| CN201496204U (en) * | 2009-09-25 | 2010-06-02 | 哈尔滨哈飞工业有限责任公司 | Grid-connected hybrid drive variable-pitch variable-speed constant-frequency wind turbine |
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| CN201786568U (en) * | 2010-09-07 | 2011-04-06 | 国电联合动力技术有限公司 | Low voltage ride-through monitoring system of double-fed wind generator set |
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Effective date of registration: 20130716 Address after: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee after: Guodian United Power Technology Co., Ltd. Patentee after: Guodian New Energy Technology Institute Address before: 100000 Beijing City, Zhongguancun, South Street, building B, building No., level 56, level 16 Patentee before: Guodian United Power Technology Co., Ltd. |