CN101895112B - Controller of converter of dual-fed wind power generator - Google Patents
Controller of converter of dual-fed wind power generator Download PDFInfo
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Abstract
The invention relates to a controller of a converter of a dual-fed wind power generator, which is formed by connecting a touch display screen, a PLC module, a data acquisition and control module and a network interface module, wherein the touch display screen is connected with the PLC module, the PLC module is connected with one end of the network interface module, the other end of the network interface module is connected with a control and pitch control system of a wind turbine, the PLC module is further connected with the data acquisition and control module, and the data acquisition and control module is simultaneously connected with a rotor side power module and a network side power module. The controller adopts the modular design and can realize the double closed-loop control of a power outer loop and a current inner loop through acquisition, analysis and treatment of various analog signals, digital quantity signals and rotation speed signals, and simultaneously realize the functions of centralized acquisition of data, fault prediction, diagnosis and the like, and has the characteristics of strong anti-interference ability, abundant network interfaces, fast measurement speed, high control precision, friendly man-machine interface and the like.
Description
Technical field
The invention belongs to wind power generation field, especially a kind of convertor assembly controller of double-fed wind power generator.
Background technology
At present; MW class speed-changing oar-changing double-fed grid type wind turbine generator has been represented the main flow direction of domestic wind-powered electricity generation unit complete machine development; And the double-fed convertor assembly is one of core component in the MW class double-fed fan motor unit, is the important component part that realizes that the constant voltage constant frequency of double-fed type asynchronous wind driven generator group under wind speed wide variation situation generates electricity by way of merging two or more grid systems and move.Existing high-power double-fed convertor assembly controller adopts dual processor or two DSP framework more; Connect through dual port RAM or serial communication mode between the processor; Each feature board floor plan of control system; The drive plate that power output circuit adopts discrete component to constitute more adds the IGBT module, is connected at a distance through circuit between control system and the power conversion circuit.It is following not enough that this structure causes controller to exist: 1. dual-cpu structure causes Collaborative Control complicacy, easy break-down; 2. control respectively that the plate line is complicated, anti-electromagnetic interference capability is poor; 3. the control board that constitutes of discrete component or drive plate use that device is many, parameter matching is difficult, easy break-down; 4. too much discrete device causes production, debugging, maintenance cost height; 5. lack network interface, be difficult to realize teledata exchange and failure diagnosis, be difficult to adapt to the interface requirement of different complete-system vendors; 6. there is not jumbo storage medium, can not the long preservation measurement data, be difficult to realize accident analysis, forecast.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of convertor assembly controller of double-fed wind power generator is proposed; This convertor assembly controller adopts modularized design; The characteristics that have that antijamming capability is strong, network interface are abundant, measuring speed is fast, control precision is high have realized the two closed-loop controls to power outer shroud and current inner loop, and to the functions such as concentrated collection, failure prediction and diagnosis of data.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of convertor assembly controller of double-fed wind power generator; Connect and compose by touch display screen, PLC module, data acquisition and control module, Network Interface Module; Touch display screen is connected with the PLC module; The PLC module is connected with an end of Network Interface Module; The other end of this Network Interface Module is connected with control of wind-powered electricity generation unit and pitch-controlled system, and the PLC module also is connected with data acquisition and control module, and this data acquisition and control module is connected with rotor-side power model, net side power model simultaneously.
And; Described data acquisition and control module is connected to form by dsp processor and PLC interface module, A/D modular converter, digital quantity signal input/output module, tachometric survey module, pwm pulse modulation module, memory module, and the input of A/D modular converter is connected with the output of analog signal conversion module.
And described PLC interface module is a kind of in RS232 communication interface modules, RS485 communication interface modules, the CAN bus interface module.
And; Described analog signal conversion module is connected and composed by main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer, low-pass filter circuit, voltage signal modulate circuit, current signal modulate circuit; Main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer are connected respectively to the input of low pass filter; Two outputs of low pass filter are connected with the current signal modulate circuit with the voltage signal modulate circuit respectively; The output of voltage signal modulate circuit and current signal modulate circuit is connected to the A/D modular converter, and this A/D modular converter is 16 multidiameter delay analog to digital converters.
And; Described digital quantity signal input/output module is made up of digital quantity signal plastic filter circuit, digital quantity signal photoelectric isolating circuit; Digital quantity signal is connected with dsp processor behind digital quantity signal plastic filter circuit and digital quantity signal photoelectric isolating circuit, and the output signal of dsp processor is connected with rotor-side power model and net side power model behind the digital quantity signal photoelectric isolating circuit.
And; Described tachometric survey module is connected and composed by encoder, encoder photoelectric isolating circuit, encoder plastic filter circuit, encoder voltage conversion circuit, encoder-driven circuit successively; The input of encoder directly links to each other with the rotating shaft of generator amature, and the output of encoder-driven circuit is connected with the quadrature coding pulse interface circuit of dsp processor.
And; Described pwm pulse modulation module is connected and composed by programming device, rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit; Two inputs of pwm pulse modulation module are connected with dsp processor and overcurrent, overvoltage protection signal respectively; Two outputs of pwm pulse modulation module are connected with the input of rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit respectively, and the output that rotor-side photoelectric isolating circuit, net sidelight electricity are isolated is connected with rotor-side power model, net side power model through optical fiber respectively.
And described Network Interface Module is one or more in TCP/IP module, CANopen module, Profibus module, DeviceNet module, InterBus module, the Sercos module.
And described rotor-side power model, net side power model are the IGBT module.
Advantage of the present invention and good effect are:
1. this convertor assembly controller adopts modular design; It organically combines touch display screen, PLC, dsp processor, CPLD and memory module; Two closed-loop controls have been realized through collection, analyzing and processing to power outer shroud and current inner loop to various analog signals, digital quantity signal, tach signal; Can use simultaneously control of multiple network interface and wind-powered electricity generation unit and pitch-controlled system to carry out the teledata exchange; Realization is to functions such as the concentrated collection of data and failure prediction, diagnosis, has the man-machine interface close friend, control mode is flexible, data record is accurate, safeguard characteristic of simple.
2. this convertor assembly controller adopts 32 floating-point high-speed dsp processors to combine the data acquisition modes of 16 multidiameter delay analog to digital converters; Overcome the bigger deficiency of small-signal sampling time error, be easy to realize the vector control and the many loop adjustment of PI of generator, can in the total power scope, realize control fast, accurately; Realized the precise synchronization of line voltage and generator unit stator voltage; To the impact of electrical network, effectively suppress harmonic wave when having reduced generator connecting in parallel with system, improve the quality of output electric energy.
3. the pwm pulse modulation module of this convertor assembly controller adopts programming device of new generation (CPLD); Under the control of dsp processor, can accurately control pwm pulse; And combine overcurrent, overvoltage protection signal, can control and protect power model rapidly, effectively.
4. this convertor assembly controller adopts modularized design, and each module all adopts the card insert type structure and uses the backboard connected mode to be installed in the 4U cabinet of standard, has reduced the stube cable of intermodule, has improved reliability, is convenient to simultaneously produce, debugs and maintenance.
5. the data acquisition and control module of this convertor assembly controller and rotor-side power model and net side power model adopt optical fiber to carry out the signal transmission, make convertor assembly reliable and stable work under big di/dt and dv/dt operating mode.
6. the present invention adopts modularized design; Two closed-loop controls have been realized through collection, analyzing and processing to power outer shroud and current inner loop to various analog signals, digital quantity signal, tach signal; Realized the functions such as concentrated collection, failure prediction and diagnosis of data simultaneously, had that antijamming capability is strong, network interface is abundant, characteristics such as measuring speed is fast, control precision is high, man-machine interface close friend.
Description of drawings
Fig. 1 is the theory diagram of the convertor assembly controller of double-fed wind power generator;
Fig. 2 is the theory diagram of data acquisition and control module;
Fig. 3 is the theory diagram of analog signal conversion module;
Fig. 4 is the theory diagram of digital quantity input/output module;
Fig. 5 is the theory diagram of tachometric survey module;
Fig. 6 is the theory diagram of pwm pulse modulation module.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is done further detailed description.
A kind of convertor assembly controller of double-fed wind power generator shown in dotted line among Fig. 1, is connected and composed by touch display screen, PLC module, data acquisition and control module, Network Interface Module.Touch display screen has the input of touch and shows output function; Use touch display screen can realize the functions such as demonstration of parameter input, modification and various information; This touch display screen is connected with the PLC module; The PLC module is connected with an end of Network Interface Module, and the other end of this Network Interface Module is connected with control of wind-powered electricity generation unit and pitch-controlled system; The PLC module also is connected with data acquisition and control module through communication interface; This data acquisition and control module output is connected with rotor-side power model, net side power model; In the present embodiment, rotor-side power model, net side power model all adopt the IGBT module, in order to have reduced electromagnetic interference; Improve fail safe, the reliability of system works, adopt the optical fiber connected mode between data acquisition and control module and the power model.After being used to gather data such as various sensing datas, digital quantity signal data and rotating speed and carrying out analyzing and processing, data acquisition and control module exports to rotor-side power model, net side power model; Simultaneously, can carry out the transmission that data communication realizes control command and data between data acquisition and control module and the PLC module.
What the PLC module in the convertor assembly controller was used is the PLC device of inline operations system and handling procedure; The PLC module is carried out data communication with data acquisition and control module on the one hand; Utilize database technology and without spin the storage medium of parts gather, store, analyze data in real time; On the other hand, carry out the teledata exchange, realize data centralization collection and failure prediction, diagnosis through control of Network Interface Module and wind-powered electricity generation unit and pitch-controlled system.Network Interface Module can adopt the various network communications protocol form, for example adopts TCP/IP, CANopen, Profibus, DeviceNet, InterBus, Sercos module and control of wind-powered electricity generation unit and pitch-controlled system connected network communication.
Data acquisition and control module in the convertor assembly controller adopts is the standard 4U cabinet that is core with 32 float-point DSP processor.As shown in Figure 2; Data acquisition and control module is connected and composed by dsp processor and PLC interface module, A/D modular converter, digital quantity signal input/output module, tachometric survey module, pwm pulse modulation module, memory module, and wherein the input of A/D modular converter is connected with the output of analog signal conversion module.Dsp processor adopts 32 float-point DSP processor; Main completion AD sampling, computing and control; It is the core of entire controller; Rotating speed and position that dsp processor is gathered various analog signals, digital quantity signal, generator amature through analog signal conversion module and A/D modular converter, digital quantity signal input/output module and tachometric survey module respectively; After analyzing and processing, deliver to rotor-side power model and net side power model, realize two closed-loop controls of power outer shroud and current inner loop by the pwm pulse modulation module.Dsp processor can also carry out transfer of data through PLC interface module and PLC module with the data after the analyzing and processing; This PLC interface module can adopt RS232, RS485 or CAN bus module mode to be connected with the PLC module, and the data after the dsp processor analyzing and processing also can store in the memory module.
Analog signal conversion module in the data acquisition and control module is connected and composed by main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer, low-pass filter circuit, voltage signal modulate circuit, current signal modulate circuit; As shown in Figure 3; Main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer are connected to the input of low pass filter; Two outputs of low pass filter are connected with the current signal modulate circuit with the voltage signal modulate circuit respectively, and the output of voltage signal modulate circuit and current signal modulate circuit is connected to the A/D modular converter.After each voltage sensor and current sensor signal are carried out low-pass filtering treatment, get into voltage signal modulate circuit and current signal modulate circuit respectively, can satisfy the range ability of A/D modular converter through the signal of conditioning output.What the A/D modular converter adopted is 16 multidiameter delay analog to digital converters, mainly is that the analog signal conversion that modulate circuit is exported is a digital signal, and the digital signal after the conversion is admitted in the dsp processor.Dsp processor is to main grid line voltage U L12, UL23 after sampling, and electrical network phase current IL1, IL2, IL3 signal carry out the abc_to_dq0 conversion, calculates active power P and reactive power Q.Active power and reactive power set-point are provided by the control system of blower fan; P and Q send into power control loop and reference value P* and Q* relatively; Difference is through power governor (PI) computing; The output stator electric current is idle and the reference value of real component, can get the idle of rotor current and real component reference value i*q2 and i*d2 through calculating.After rotor phase current IR1, IR2, IR3 pass through abc_to_dq0 conversion and reference value i*q2 and i*d2 relatively; Difference is sent into current regulator; Regulate back output voltage component uq2, ud2; Conversion obtains generator amature three-phase control voltage to this signal through dq0_to_abc, and this voltage signal is delivered to rotor-side power model and net side power model through the pwm pulse modulation module, realizes two closed-loop controls of power outer shroud and current inner loop.
The digital quantity signal input/output module is made up of digital quantity signal plastic filter circuit, digital quantity signal photoelectric isolating circuit; As shown in Figure 4; Digital quantity signal is connected with dsp processor behind digital quantity signal plastic filter circuit and digital quantity signal photoelectric isolating circuit, and the output signal of dsp processor is connected with rotor-side power model and net side power model behind the digital quantity signal photoelectric isolating circuit.Switching signal such as digital quantity signal is mainly startup, stop; Above-mentioned digital quantity signal gets into dsp processor behind the digital quantity signal photoelectric isolating circuit; Export control signal to rotor-side power model and net side power model through the digital quantity signal photoelectric isolating circuit after the dsp processor analyzing and processing, realize control rotor-side power model and net side power model.
The tachometric survey module is connected and composed by encoder, encoder photoelectric isolating circuit, encoder plastic filter circuit, encoder voltage conversion circuit, encoder-driven circuit successively; As shown in Figure 5; The output of encoder-driven circuit is connected with the quadrature coding pulse interface circuit input of dsp processor; Encoder directly links to each other with the rotating shaft of generator amature; The pulse signal of encoder output carries out shaping filter after isolating through photoelectricity, and filtering interference signals converts the level that the CPU module can be accepted to through the encoder voltage conversion circuit; Deliver to the quadrature coding pulse interface circuit of dsp processor again through the encoder-driven circuit, measure the rotating speed and the position of generator amature.
The pwm pulse modulation module is connected and composed by programming device (CPLD), rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit; As shown in Figure 6; Two inputs of pwm pulse modulation module are connected with overcurrent, overvoltage protection signal with dsp processor respectively; Two outputs of pwm pulse modulation module are connected with the input of rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit respectively; The output that rotor-side photoelectric isolating circuit, net sidelight electricity are isolated is connected with rotor-side power model, net side power model respectively; Programming device (CPLD) can carry out integrated treatment with pwm pulse signal and overcurrent, the overvoltage protection signal of dsp processor output, behind rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit, exports rotor-side power model, net side power model to through optical fiber respectively.
It is emphasized that; Embodiment of the present invention is illustrative; Rather than it is determinate; Therefore the present invention is not limited to the embodiment described in the embodiment, and every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope that the present invention protects equally.
Claims (8)
1. the convertor assembly controller of a double-fed wind power generator; It is characterized in that: connect and compose by touch display screen, PLC module, data acquisition and control module, Network Interface Module; Touch display screen is connected with the PLC module; The PLC module is connected with an end of Network Interface Module; The other end of this Network Interface Module is connected with control of wind-powered electricity generation unit and pitch-controlled system, and the PLC module also is connected with data acquisition and control module, and this data acquisition and control module is connected with rotor-side power model, net side power model simultaneously; Described data acquisition and control module is connected to form by dsp processor and PLC interface module, A/D modular converter, digital quantity signal input/output module, tachometric survey module, pwm pulse modulation module, memory module, and the input of A/D modular converter is connected with the output of analog signal conversion module.
2. the convertor assembly controller of double-fed wind power generator according to claim 1 is characterized in that: described PLC interface module is a kind of in RS232 communication interface modules, RS485 communication interface modules, the CAN bus interface module.
3. the convertor assembly controller of double-fed wind power generator according to claim 1; It is characterized in that: described analog signal conversion module is connected and composed by main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer, DC bus-bar voltage transducer, low-pass filter circuit, voltage signal modulate circuit, current signal modulate circuit; Main grid line voltage sensor, stator line voltage sensor, electrical network phase current transducer, net side inverter phase current transducer, rotor current transducer are connected respectively to the input of low pass filter; Two outputs of low pass filter are connected with the current signal modulate circuit with the voltage signal modulate circuit respectively; The output of voltage signal modulate circuit and current signal modulate circuit is connected to the A/D modular converter, and this A/D modular converter is 16 multidiameter delay analog to digital converters.
4. the convertor assembly controller of double-fed wind power generator according to claim 1; It is characterized in that: described digital quantity signal input/output module is made up of digital quantity signal plastic filter circuit, digital quantity signal photoelectric isolating circuit; Digital quantity signal is connected with dsp processor behind digital quantity signal plastic filter circuit and digital quantity signal photoelectric isolating circuit, and the output signal of dsp processor is connected with rotor-side power model and net side power model behind the digital quantity signal photoelectric isolating circuit.
5. the convertor assembly controller of double-fed wind power generator according to claim 1; It is characterized in that: described tachometric survey module is connected and composed by encoder, encoder photoelectric isolating circuit, encoder plastic filter circuit, encoder voltage conversion circuit, encoder-driven circuit successively; The input of encoder directly links to each other with the rotating shaft of generator amature, and the output of encoder-driven circuit is connected with the quadrature coding pulse interface of dsp processor.
6. the convertor assembly controller of double-fed wind power generator according to claim 1; It is characterized in that: described pwm pulse modulation module is connected and composed by programming device, rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit; Two inputs of pwm pulse modulation module are connected with dsp processor and overcurrent, overvoltage protection signal respectively; Two outputs of pwm pulse modulation module are connected with the input of rotor-side photoelectric isolating circuit, net sidelight electric isolating circuit respectively, and the output that rotor-side photoelectric isolating circuit, net sidelight electricity are isolated is connected with rotor-side power model, net side power model through optical fiber respectively.
7. the convertor assembly controller of double-fed wind power generator according to claim 1, it is characterized in that: described Network Interface Module is one or more in TCP/IP module, CANopen module, Profibus module, DeviceNet module, InterBus module, the Sercos module.
8. according to the convertor assembly controller of claim 1 or 4 described double-fed wind power generators, it is characterized in that: described rotor-side power model, net side power model are the IGBT module.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102102629B (en) * | 2011-01-17 | 2012-10-10 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
| CN102384025A (en) * | 2011-09-22 | 2012-03-21 | 苏州能健电气有限公司 | Programmable logic control (PLC) control system |
| CN102444541B (en) * | 2011-11-25 | 2013-11-06 | 沈阳工业大学自控技术研究所 | Control device and control method for compensating torque adjusting delay of wind generating set |
| CN103744394B (en) * | 2014-01-02 | 2017-07-11 | 哈尔滨工程大学 | A kind of monitoring device and method of hydrofoil catamaran flap empennage servo-drive system |
| CN104600842A (en) * | 2014-12-31 | 2015-05-06 | 大连尚能科技发展有限公司 | Wind turbine converter CANopen (controller area network open) communication system |
| CN105680460B (en) * | 2016-02-15 | 2018-03-06 | 上海交通大学 | Synchronously interaction suppresses implementation method to double-fed fan motor play |
| CN110417240B (en) * | 2019-08-15 | 2022-01-28 | 上海电气集团股份有限公司 | Communication sampling control device of high-power wind power generation converter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0940901B1 (en) * | 1998-03-05 | 2006-09-06 | Kabushiki Kaisha Toshiba | Control system, method of protectively controlling electric power system and storage medium storing program code |
| CN1835385A (en) * | 2005-03-15 | 2006-09-20 | 北京华拿东方能源科技有限公司 | Digital intelligent control system of adopting low voltage converter to realize medium-voltage motor speed regulation |
| CN101188397A (en) * | 2007-12-03 | 2008-05-28 | 天津理工大学 | AC excitation magnetic control circuit for dual feedback wind force generator and its control method |
| CN101345507A (en) * | 2008-08-16 | 2009-01-14 | 山西合创电力科技有限公司 | Energy-saving control device of megawatt level multifunctional aerogenerator |
| CN101430246A (en) * | 2008-12-16 | 2009-05-13 | 华南理工大学 | Simulation experiment platform for wind power generation |
-
2009
- 2009-05-20 CN CN2009100689456A patent/CN101895112B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0940901B1 (en) * | 1998-03-05 | 2006-09-06 | Kabushiki Kaisha Toshiba | Control system, method of protectively controlling electric power system and storage medium storing program code |
| CN1835385A (en) * | 2005-03-15 | 2006-09-20 | 北京华拿东方能源科技有限公司 | Digital intelligent control system of adopting low voltage converter to realize medium-voltage motor speed regulation |
| CN101188397A (en) * | 2007-12-03 | 2008-05-28 | 天津理工大学 | AC excitation magnetic control circuit for dual feedback wind force generator and its control method |
| CN101345507A (en) * | 2008-08-16 | 2009-01-14 | 山西合创电力科技有限公司 | Energy-saving control device of megawatt level multifunctional aerogenerator |
| CN101430246A (en) * | 2008-12-16 | 2009-05-13 | 华南理工大学 | Simulation experiment platform for wind power generation |
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Effective date of registration: 20230711 Address after: No. 100, Hangtian Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), Binhai, Tianjin 300450 Patentee after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd. Address before: 300381 No. 39 Minhe Road, Xiqing economic and Technological Development Zone, Tianjin Patentee before: Tianjin Ruineng electric Co.,LTD. |