CN202696173U - Simulation device of permanent-magnet direct-driven wind generating set - Google Patents
Simulation device of permanent-magnet direct-driven wind generating set Download PDFInfo
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- CN202696173U CN202696173U CN2012201296095U CN201220129609U CN202696173U CN 202696173 U CN202696173 U CN 202696173U CN 2012201296095 U CN2012201296095 U CN 2012201296095U CN 201220129609 U CN201220129609 U CN 201220129609U CN 202696173 U CN202696173 U CN 202696173U
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Abstract
The utility model discloses a simulation device of a permanent-magnet direct-driven wind generating set. The simulation device comprises a wind generating set and a full power current transformer. The wind generating set comprises a blade pitch controller, a wind mill, a shafting controller, and a permanent-magnet synchronous generator, wherein the wind mill is provided with a wind wheel, the blade pitch controller adjusts the angle of blades of the wind wheel, the shafting controller adjusts the rotating speed of an output shaft of the wind wheel, and the wind mill drives a rotor of the permanent-magnet synchronous generator. The full power current transformer is connected to the permanent-magnet synchronous generator. The permanent-magnet synchronous generator is connected to a power grid through the full power current transformer. The simulation device of the permanent-magnet direct-driven wind generating set is capable of simulating to realize the following functions of: controlling the change of active power and reactive power between the generator and the power grid, and controlling the active power sent by the generating set for tracking an optimal operating point of the wind generating set, or restricting the output of the wind generating set under high wind speed situations.
Description
Technical field
The utility model relates to the wind power equipment field, relates in particular to a kind of simulator of permanent magnetism direct drive wind group of motors.
Background technology
1891, First test blower fan was born, and this is indicating the beginning of wind power generation.1897, blower fan system formally was used for commercialization.The wind power generation slower development is until the world oil crisis of eighties of last century seventies just makes wind power generation really developed but after this.The developed country such as the U.S., West Europe is the energy of seeking substitute fossil fuels, a large amount of funds have been dropped into, utilize the new technology development modern wind generating set in the fields such as computer, aerodynamics, structural mechanics and the mechanics of materials, the new period of having started Wind Power Utilization.
Nearly 20 years, developed country obtained huge achievement in technical field of wind power generation.The wind turbine generator single-machine capacity that is incorporated into the power networks has developed into MW class from initial tens of multikilowatts; Control mode develops to full blade displacement and variable speed constant frequency from single fixed pitch stall control, operational reliability is from 50% of early 1980s, bring up to more than 98%, and all can realize centralized control and remote control in the wind turbine generator of wind energy turbine set operation.
Since nineteen ninety, the installed capacity of Global Wind Power Industry accumulative total increases every year on average above 20%, and only the newly-increased installation in the world in 2005 just reaches 11769MW, and its growth rate has surpassed the speed that any electric power increases.
The wind-powered electricity generation unit has polytype, and wind-powered electricity generation unit commonly used comprises: based on the constant speed wind-powered electricity generation unit of common asynchronous generator, based on the variable-speed wind-power unit of double fed induction generators with based on the direct-driving type variable-speed wind-power unit of magneto alternator.
With regard to the application area of wind-powered electricity generation, can be divided into land wind-powered electricity generation and offshore wind farm.Land wind-powered electricity generation requires to have large stretch of open place to build extension set, for the difficult popularization in densely populated coastal area.And the sea turn band just is adapted at the coastal area application.The characteristics of offshore wind farm are that wind speed changes greatly, low wind speed situation is many, to the stability of unit and fault ride-through capacity requirement better.In blower fan commonly used, relatively be suitable at sea using based on the direct-driving type variable-speed wind-power unit of magneto alternator.
Direct-driving type variable-speed wind-power unit (permanent magnet direct-drive blower fan) based on magneto alternator adopts variable pitch control.Fig. 1 has disclosed the structure chart of permanent magnet direct-drive blower fan.As shown in Figure 1, permanent magnet direct-drive blower fan 100 comprises: wind wheel 102, multistage low-speed permanent-magnet synchronous generator 104, total power converter 106, comprise the access device 108 of dc capacitor and transformer, by access device 108 access electrical networks 110.The decoupling zero control of full power convertor 106 is so that permanent magnet direct-drive blower fan and electrical network are full decoupled electric, and its characteristic depends on control system and the control strategy of current transformer fully.
The major advantage of permanent magnet direct-drive blower fan is without step-up gear, has higher reliability and efficient; The incision wind speed is low, more can adapt to low wind speed operation; Adopt full power convertor, the impact of being incorporated into the power networks is little, has low voltage ride-through capability.The shortcoming of permanent magnet direct-drive blower fan is that the total power converter is complicated, and test job is loaded down with trivial details before the complete machine installation.
The utility model content
The utility model is intended to propose a kind of simulator of permanent magnetism direct drive wind group of motors.
According to an embodiment of the present utility model, a kind of simulator of permanent magnetism direct drive wind group of motors is proposed, comprise wind turbine generator and full power convertor.Wind turbine generator comprises that pitch controller, wind energy conversion system, axle are controller and magneto alternator, wherein wind energy conversion system has wind wheel, pitch controller is regulated the angle of Wind wheel paddle, and axle is that controller is regulated wind wheel output shaft rotating speed, and wind energy conversion system drives the rotor of magneto alternator.Full power convertor is connected to magneto alternator, and magneto alternator is connected to electrical network by full power convertor.
In one embodiment, full power convertor is " meritorious-idle " type full power convertor, should comprise grid side emulator and motor side emulator by " meritorious-idle " type full power convertor.The grid side emulator comprises power checker, grid side real power control device, grid side current measurer, the first coordinate converter, grid side current controller, the second coordinate converter and grid side current transformer; Power checker detection of grid side power and power output parameter are to grid side real power control device, grid side real power control device produces grid side real power control parameter based on power parameter and exports to the grid side current controller, grid side current measurer detection of grid side electric current is also exported the grid side current parameters to the first coordinate converter, the first coordinate converter to the grid side current parameters do phse conversion and output through the grid side current parameters of phse conversion to the grid side current controller, the grid side current controller produces the grid side current controling signal and exports to the second coordinate converter according to grid side real power control parameter with through the grid side current parameters of phse conversion, the second coordinate converter to the grid side current controling signal do phse conversion and output through the grid side current controling signal of phse conversion to the grid side current transformer.The motor side emulator comprises voltage measurement device, motor side real power control device, motor side current measurer, three-dimensional converter, motor side current controller, 4-coordinate converter and motor side current transformer; Voltage measurement device detection motor side voltage and output voltage parameter are to motor side real power control device, motor side real power control device produces motor side real power control parameter based on voltage parameter and exports to the motor side current controller, motor side current measurer detection motor side electric current and output motor side current parameters are given the three-dimensional converter, the three-dimensional converter to the motor side current parameters do phse conversion and output through the motor side current parameters of phse conversion to the motor side current controller, motor current on line side controller produces the motor side current controling signal and exports to the 4-coordinate converter according to motor side real power control parameter with through the motor side current parameters of phse conversion, the 4-coordinate converter to the motor side current controling signal do phse conversion and output through the motor side current controling signal of phse conversion to the motor side current transformer.
This grid side emulator also comprises maximal power tracing device and grid side phase-locked loop.The maximum power of maximal power tracing device detection of grid side and Maximum Power Output parameter are to grid side real power control device.The phase place of grid side phase-locked loop detection of grid side electric current is also exported to the first coordinate converter and the second coordinate converter with phase parameter.
This motor side emulator also comprises calibration voltage measuring appliance and motor side phase-locked loop.The calibration voltage measuring appliance detects the calibration voltage of motor side and exports calibration voltage parameter number to motor side real power control device.The motor side phase-locked loop detects the phase place of motor side electric current and phase parameter is exported to three-dimensional converter and 4-coordinate converter.
Full power convertor is " voltage-idle " type full power convertor in one embodiment, should comprise grid side emulator and motor side emulator by " voltage-idle " type full power convertor.The grid side emulator comprises grid side power checker, grid side voltage measurement device, grid side real power control device, grid side current measurer, the first coordinate converter, grid side current controller, the second coordinate converter and grid side current transformer; Grid side power checker detection of grid side power is also exported the grid side power parameter to grid side real power control device, grid side voltage measurement device detection of grid side voltage is also exported the grid side voltage parameter to grid side real power control device, grid side real power control device is exported to the grid side current controller based on grid side power parameter and grid side voltage parameter generation grid side real power control parameter, grid side current measurer detection of grid side electric current is also exported the grid side current parameters to the first coordinate converter, the first coordinate converter to the grid side current parameters do phse conversion and output through the grid side current parameters of phse conversion to the grid side current controller, the grid side current controller produces the grid side current controling signal and exports to the second coordinate converter according to grid side real power control parameter with through the grid side current parameters of phse conversion, the second coordinate converter to the grid side current controling signal do phse conversion and output through the grid side current controling signal of phse conversion to the grid side current transformer.The motor side emulator comprises motor side voltage measurement device, motor side power checker, motor side real power control device, motor side current measurer, three-dimensional converter, motor side current controller, 4-coordinate converter and motor side current transformer; Motor side voltage measurement device detection motor side voltage and output motor side voltage parameter are to motor side real power control device, motor side power checker detection motor side power and output motor side power parameter are to motor side real power control device, motor side real power control device is exported to the motor side current controller based on motor side voltage parameter and motor side power parameter generation motor side real power control parameter, motor side current measurer detection motor side electric current and output motor side current parameters are given the three-dimensional converter, the three-dimensional converter to the motor side current parameters do phse conversion and output through the motor side current parameters of phse conversion to the motor side current controller, motor current on line side controller produces the motor side current controling signal and exports to the 4-coordinate converter according to motor side real power control parameter with through the motor side current parameters of phse conversion, the 4-coordinate converter to the motor side current controling signal do phse conversion and output through the motor side current controling signal of phse conversion to the motor side current transformer.
This grid side emulator also comprises protector and grid side phase-locked loop.Protector is connected to grid side voltage measurement device, and protector monitoring grid side voltage is also protected.The phase place of grid side phase-locked loop detection of grid side electric current is also exported to the first coordinate converter and the second coordinate converter with phase parameter.
This motor side emulator also comprises maximal power tracing device and motor side phase-locked loop.The maximum power of maximal power tracing device detection motor side and Maximum Power Output parameter are to motor side real power control device.Motor side phase-locked loop, motor side phase-locked loop detect the phase place of motor side electric current and phase parameter are exported to three-dimensional converter and 4-coordinate converter.
The simulator of permanent magnetism direct drive wind group of motors of the present utility model can the Realization of Simulation following functions: meritorious idle exchange between control generator and the electrical network, the active power that the control unit sends are followed the trail of the optimized operation point of wind-powered electricity generation unit or are limited the wind turbine group and exert oneself under higher wind velocity condition.
Description of drawings
Fig. 1 has disclosed the structural representation of permanent magnet direct-drive blower fan.
Fig. 2 has disclosed the structural representation according to the simulator of the permanent magnetism direct drive wind group of motors of an embodiment of the present utility model.
Fig. 3 has disclosed the structural representation according to " meritorious-idle " type full power convertor of an embodiment of the present utility model.
Fig. 4 has disclosed the structural representation according to " voltage-idle " type full power convertor of an embodiment of the present utility model.
Embodiment
With reference to shown in Figure 2, the utility model proposes a kind of simulator of permanent magnetism direct drive wind group of motors, the simulator 200 of this permanent magnetism direct drive wind group of motors comprises wind turbine generator 201 and full power convertor 202.Wind turbine generator 201 comprises that pitch controller 203, wind energy conversion system 204, axle are controller 205 and magneto alternator 206, wherein wind energy conversion system 204 has wind wheel, the angle that pitch controller 203 is regulated Wind wheel paddle, axle is that controller 205 is regulated wind wheel output shaft rotating speed, and wind energy conversion system 204 drives the rotor of magneto alternator 206.Full power convertor 202 is connected to magneto alternator 206, and magneto alternator 206 is connected to electrical network by full power convertor 202.
Full power convertor 202 can use two kinds on " meritorious-idle " type or " voltage-idle " type.
Fig. 3 has disclosed the structural representation of " meritorious-idle " type full power convertor.The grid side current transformer of " meritorious-idle " type full power convertor carries out decoupling zero control to the meritorious idle of input electrical network, and finishes the maximum power tracing strategy of wind-powered electricity generation unit.With reference to shown in Figure 3, the simulator 300 of the type full power convertor of should " gaining merit-idle " comprises grid side emulator 301 motor side emulators 302.
Grid side current measurer 312 detection of grid side electric currents are also exported the grid side current parameters to the first coordinate converter 313.In the embodiment shown in fig. 3, also comprise grid side phase-locked loop 318, the phase place of grid side phase-locked loop 318 detection of grid side electric currents is also exported to the first coordinate converter 313 with phase parameter.313 pairs of grid side current parameters of the first coordinate converter do phse conversion and output through the grid side current parameters of phse conversion to grid side current controller 314.When having grid side phase-locked loop 318, the phase parameter that the first coordinate converter 313 is exported with reference to grid side phase-locked loop 318 when the grid side current parameters is done phse conversion.
Grid side current controller 314 according to grid side real power control parameter and through the grid side current parameters of phse conversion produce the grid side current controling signal and export to 315 pairs of grid side current controling signals of the second coordinate converter 315, the second coordinate converters do phse conversion and output through the grid side current controling signal of phse conversion to grid side current transformer 316.When having grid side phase-locked loop 318, the phase parameter of grid side phase-locked loop 318 outputs also outputs to the second coordinate converter 315 simultaneously.The second coordinate converter 315 phase parameter that the while foundation is exported by grid side phase-locked loop 318 when the grid side current controling signal is done phse conversion.
Motor side current measurer 322 detection motor side electric currents and output motor side current parameters are given three-dimensional converter 323.In the embodiment shown in fig. 3, also comprise motor side phase-locked loop 328, motor side phase-locked loop 328 detects the phase place of motor side electric current and phase parameter is exported to three-dimensional converter 323.323 pairs of motor side current parameters of three-dimensional converter do phse conversion and output through the motor side current parameters of phse conversion to motor side current controller 324.When having motor side phase-locked loop 328, the phase parameter that three-dimensional converter 323 is exported with reference to grid side phase-locked loop 318 when the motor side current parameters is done phse conversion.
Motor side current controller 324 produces the motor side current controling signal and exports to 4-coordinate converter 325 according to motor side real power control parameter with through the motor side current parameters of phse conversion.325 pairs of motor side current controling signals of 4-coordinate converter do phse conversion and output through the motor side current controling signal of phse conversion to motor side current transformer 326.When having motor side phase-locked loop 328,4-coordinate converter 325 phase parameter that the while foundation is exported by motor side phase-locked loop 328 when the grid side current controling signal is done phse conversion.
For " voltage-idle " type full power convertor, the grid side current transformer can carry out decoupling zero control to the meritorious idle of input electrical network equally, and finishes the maximum power tracing strategy of wind-powered electricity generation unit.Be with the difference of " meritorious-idle " type full power convertor, " voltage-idle " type full power convertor is realized by the control DC bus-bar voltage indirectly to the control of input electric network active.Fig. 4 has disclosed the structural representation according to " voltage-idle " type full power convertor of an embodiment of the present utility model.With reference to shown in Figure 4, the simulator 400 of " voltage-idle " type full power convertor comprises grid side emulator 401 motor side emulators 402.
Grid side emulator 401 comprises grid side power checker 410, grid side voltage measurement device 419, grid side real power control device 411, grid side current measurer 412, the first coordinate converter 413, grid side current controller 414, the second coordinate converter 415 and grid side current transformer 416.In the embodiment shown in fig. 4, this grid side emulator 401 also comprises protector 417 and grid side phase-locked loop 418.
Grid side power checker 410 detection of grid side power are also exported the grid side power parameter to grid side real power control device 411.Grid side voltage measurement device 419 detection of grid side voltages are also exported the grid side voltage parameter to grid side real power control device 411.Grid side real power control device 411 is exported to grid side current controller 414 based on grid side power parameter and grid side voltage parameter generation grid side real power control parameter.
Grid side current measurer 412 detection of grid side electric currents are also exported the grid side current parameters to the first coordinate converter 413.In the embodiment shown in fig. 4, also comprise grid side phase-locked loop 418, the phase place of grid side phase-locked loop 418 detection of grid side electric currents is also exported to the first coordinate converter 413 with phase parameter.413 pairs of grid side current parameters of the first coordinate converter do phse conversion and output through the grid side current parameters of phse conversion to grid side current controller 414.When having grid side phase-locked loop 418, the phase parameter that the first coordinate converter 413 is exported with reference to grid side phase-locked loop 418 when the grid side current parameters is done phse conversion.
Grid side current controller 414 according to grid side real power control parameter and through the grid side current parameters of phse conversion produce the grid side current controling signal and export to 415 pairs of grid side current controling signals of the second coordinate converter 415, the second coordinate converters do phse conversion and output through the grid side current controling signal of phse conversion to grid side current transformer 416.When having grid side phase-locked loop 418, the phase parameter of grid side phase-locked loop 418 outputs also outputs to the second coordinate converter 415 simultaneously.The second coordinate converter 415 phase parameter that the while foundation is exported by grid side phase-locked loop 418 when the grid side current controling signal is done phse conversion.
Protector 417 is connected to grid side voltage measurement device 419, and protector 419 monitorings are protected by the grid side voltage of grid side voltage measurement device 419 measurements and according to this voltage.
Motor side emulator 402 comprises motor side voltage measurement device 420, motor side power checker 429, motor side real power control device 421, motor side current measurer 422, three-dimensional converter 423, motor side current controller 424,4-coordinate converter 425 and motor side current transformer 426.In the embodiment shown in fig. 4, this motor side emulator 402 also comprises maximal power tracing device 427 and motor side phase-locked loop 428.
Voltage measurement device 420 detection motor side voltages and output motor side voltage parameter are to motor side real power control device 421.Motor side power checker 429 detection motor side power and output motor side power parameter are to motor side real power control device 421.Motor side real power control device 421 is exported to motor side current controller 424 based on motor side voltage parameter and motor side power parameter generation motor side real power control parameter.In the embodiment shown in fig. 4, also comprise maximal power tracing device 427.The maximum power of maximal power tracing device 427 detection motor sides and Maximum Power Output parameter are to motor side real power control device 421.In the situation that there is maximal power tracing device 427, motor side real power control device 421 when producing motor side real power control parameter simultaneously according to the maximum power parameter.
Motor side current measurer 422 detection motor side electric currents and output motor side current parameters are given three-dimensional converter 423.In the embodiment shown in fig. 4, also comprise motor side phase-locked loop 428, motor side phase-locked loop 428 detects the phase place of motor side electric current and phase parameter is exported to three-dimensional converter 423.423 pairs of motor side current parameters of three-dimensional converter do phse conversion and output through the motor side current parameters of phse conversion to motor side current controller 424.When having motor side phase-locked loop 428, the phase parameter that three-dimensional converter 423 is exported with reference to grid side phase-locked loop 418 when the motor side current parameters is done phse conversion.
Motor side current controller 424 produces the motor side current controling signal and exports to 4-coordinate converter 425 according to motor side real power control parameter with through the motor side current parameters of phse conversion.425 pairs of motor side current controling signals of 4-coordinate converter do phse conversion and output through the motor side current controling signal of phse conversion to motor side current transformer 426.When having motor side phase-locked loop 428,4-coordinate converter 425 phase parameter that the while foundation is exported by motor side phase-locked loop 428 when the grid side current controling signal is done phse conversion.
The simulator of permanent magnetism direct drive wind group of motors of the present utility model can the Realization of Simulation following functions: meritorious idle exchange between control generator and the electrical network, the active power that the control unit sends are followed the trail of the optimized operation point of wind-powered electricity generation unit or are limited the wind turbine group and exert oneself under higher wind velocity condition.
Claims (7)
1. the simulator of a permanent magnetism direct drive wind group of motors is characterized in that, comprising:
Wind turbine generator, wind turbine generator comprises that pitch controller, wind energy conversion system, axle are controller and magneto alternator, wherein wind energy conversion system has wind wheel, pitch controller is regulated the angle of Wind wheel paddle, axle is that controller is regulated wind wheel output shaft rotating speed, and wind energy conversion system drives the rotor of magneto alternator;
Full power convertor is connected to magneto alternator, and magneto alternator is connected to electrical network by full power convertor.
2. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 1 is characterized in that, described full power convertor is " meritorious-idle " type full power convertor, should comprise by " meritorious-idle " type full power convertor:
Grid side emulator, grid side emulator comprise power checker, grid side real power control device, grid side current measurer, the first coordinate converter, grid side current controller, the second coordinate converter and grid side current transformer; Power checker detection of grid side power and power output parameter are to grid side real power control device, grid side real power control device produces grid side real power control parameter based on power parameter and exports to the grid side current controller, grid side current measurer detection of grid side electric current is also exported the grid side current parameters to the first coordinate converter, the first coordinate converter to the grid side current parameters do phse conversion and output through the grid side current parameters of phse conversion to the grid side current controller, the grid side current controller produces the grid side current controling signal and exports to the second coordinate converter according to grid side real power control parameter with through the grid side current parameters of phse conversion, the second coordinate converter to the grid side current controling signal do phse conversion and output through the grid side current controling signal of phse conversion to the grid side current transformer;
Motor side emulator, motor side emulator comprise voltage measurement device, motor side real power control device, motor side current measurer, three-dimensional converter, motor side current controller, 4-coordinate converter and motor side current transformer; Voltage measurement device detection motor side voltage and output voltage parameter are to motor side real power control device, motor side real power control device produces motor side real power control parameter based on voltage parameter and exports to the motor side current controller, motor side current measurer detection motor side electric current and output motor side current parameters are given the three-dimensional converter, the three-dimensional converter to the motor side current parameters do phse conversion and output through the motor side current parameters of phse conversion to the motor side current controller, motor current on line side controller produces the motor side current controling signal and exports to the 4-coordinate converter according to motor side real power control parameter with through the motor side current parameters of phse conversion, the 4-coordinate converter to the motor side current controling signal do phse conversion and output through the motor side current controling signal of phse conversion to the motor side current transformer.
3. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 2 is characterized in that, described grid side emulator also comprises:
The maximal power tracing device, the maximum power of maximal power tracing device detection of grid side and Maximum Power Output parameter are to grid side real power control device;
The grid side phase-locked loop, the phase place of grid side phase-locked loop detection of grid side electric current is also exported to the first coordinate converter and the second coordinate converter with phase parameter.
4. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 2 is characterized in that, described motor side emulator also comprises:
The calibration voltage measuring appliance, the calibration voltage measuring appliance detects the calibration voltage of motor side and exports calibration voltage parameter number to motor side real power control device;
Motor side phase-locked loop, motor side phase-locked loop detect the phase place of motor side electric current and phase parameter are exported to three-dimensional converter and 4-coordinate converter.
5. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 1 is characterized in that, described full power convertor is " voltage-idle " type full power convertor, should comprise by " voltage-idle " type full power convertor:
Grid side emulator, grid side emulator comprise grid side power checker, grid side voltage measurement device, grid side real power control device, grid side current measurer, the first coordinate converter, grid side current controller, the second coordinate converter and grid side current transformer; Grid side power checker detection of grid side power is also exported the grid side power parameter to grid side real power control device, grid side voltage measurement device detection of grid side voltage is also exported the grid side voltage parameter to grid side real power control device, grid side real power control device is exported to the grid side current controller based on grid side power parameter and grid side voltage parameter generation grid side real power control parameter, grid side current measurer detection of grid side electric current is also exported the grid side current parameters to the first coordinate converter, the first coordinate converter to the grid side current parameters do phse conversion and output through the grid side current parameters of phse conversion to the grid side current controller, the grid side current controller produces the grid side current controling signal and exports to the second coordinate converter according to grid side real power control parameter with through the grid side current parameters of phse conversion, the second coordinate converter to the grid side current controling signal do phse conversion and output through the grid side current controling signal of phse conversion to the grid side current transformer;
Motor side emulator, motor side emulator comprise motor side voltage measurement device, motor side power checker, motor side real power control device, motor side current measurer, three-dimensional converter, motor side current controller, 4-coordinate converter and motor side current transformer; Motor side voltage measurement device detection motor side voltage and output motor side voltage parameter are to motor side real power control device, motor side power checker detection motor side power and output motor side power parameter are to motor side real power control device, motor side real power control device is exported to the motor side current controller based on motor side voltage parameter and motor side power parameter generation motor side real power control parameter, motor side current measurer detection motor side electric current and output motor side current parameters are given the three-dimensional converter, the three-dimensional converter to the motor side current parameters do phse conversion and output through the motor side current parameters of phse conversion to the motor side current controller, motor current on line side controller produces the motor side current controling signal and exports to the 4-coordinate converter according to motor side real power control parameter with through the motor side current parameters of phse conversion, the 4-coordinate converter to the motor side current controling signal do phse conversion and output through the motor side current controling signal of phse conversion to the motor side current transformer.
6. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 5 is characterized in that, described grid side emulator also comprises:
Protector, protector are connected to grid side voltage measurement device, and protector monitoring grid side voltage is also protected;
The grid side phase-locked loop, the phase place of grid side phase-locked loop detection of grid side electric current is also exported to the first coordinate converter and the second coordinate converter with phase parameter.
7. the simulator of permanent magnetism direct drive wind group of motors as claimed in claim 5 is characterized in that, described motor side emulator also comprises:
The maximal power tracing device, the maximum power of maximal power tracing device detection motor side and Maximum Power Output parameter are to motor side real power control device;
Motor side phase-locked loop, motor side phase-locked loop detect the phase place of motor side electric current and phase parameter are exported to three-dimensional converter and 4-coordinate converter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201296095U CN202696173U (en) | 2012-03-30 | 2012-03-30 | Simulation device of permanent-magnet direct-driven wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012201296095U CN202696173U (en) | 2012-03-30 | 2012-03-30 | Simulation device of permanent-magnet direct-driven wind generating set |
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| CN202696173U true CN202696173U (en) | 2013-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760779A (en) * | 2014-01-24 | 2014-04-30 | 广西电网公司电力科学研究院 | Direct-driven wind generating set dynamic simulation system |
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2012
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103760779A (en) * | 2014-01-24 | 2014-04-30 | 广西电网公司电力科学研究院 | Direct-driven wind generating set dynamic simulation system |
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