CN203688776U - Comprehensive intelligent measurement and control system of wind-driven generator - Google Patents
Comprehensive intelligent measurement and control system of wind-driven generator Download PDFInfo
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- CN203688776U CN203688776U CN201420008604.6U CN201420008604U CN203688776U CN 203688776 U CN203688776 U CN 203688776U CN 201420008604 U CN201420008604 U CN 201420008604U CN 203688776 U CN203688776 U CN 203688776U
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Abstract
The utility model discloses a comprehensive intelligent measurement and control system of a wind-driven generator. The system comprises a power supply module, an electronic internal feedback variable-frequency power supply, a measurement module, a touch panel, a logic controller, and an upper PC. The input terminal of the power supply module is connected with an AC power grid, and the output terminal of the power supply module is connected with the electronic internal feedback variable-frequency power supply and the measurement module. The electronic internal feedback variable-frequency power supply is connected with the measurement module and a test accompanying motor. The measurement module is connected with the upper PC and a tested motor. The upper PC is connected with the touch panel. The touch panel is connected with the logic controller. The logic controller is connected with the measurement module and the power supply module. The system adopts the electronic internal feedback variable-frequency power supply and is advantaged by high efficiency, energy conservation, small occupied area, and simple installation and regulation. Moreover, the system is adjustable in frequency so that the system not only can conduct load tests of 50Hz motors, but also can conduct load tests of 60Hz motors.
Description
Technical field
The utility model relates to test system of wind driven generator, particularly a kind of aerogenerator comprehensive intelligent TT&C system.
Background technology
In electromechanics trade, the power-supply system more complicated of electrical type tests, not only requires the power supply wave shape aberration rate of tested motor to be less than 5%, but also require voltage, frequency is adjustable.In the time doing the temperature rise test of motor and load test, need to load motor, power consumption is large.Load the method adopting and roughly can be divided into two classes:
One class is that the energy of load is consumed: method 1, and adopt direct current motor to add resistance box as load, the shaft power of tested motor output is transferred to direct current by direct current generator, bleed off by resistance, in the time that power is larger, resistance box also needs air-cooled or water-cooled; Method 2, adopts magnetic powder brake and electric eddy current brake.Generally power hour (being generally less than 10kW) adopt a magnetic powder brake, or power adopts electric eddy current brake when larger.The same with DC generator loading method, all need to adopt air-cooled and mode water-cooled, and energy is by having slatterned in vain.Moreover, and because direct current generator or magnetic powder brake (electric eddy current brake) center are high different with tested motor, unusual inconvenience when installation.The problem that also has in addition magnetic powder brake loss of excitation, causes load unstable.
Two classes are the energy-feedback power grids load, adopt genset feedback grid.Generally will adopt 4 to 6 motor, generator composition frequency conversion generator group, the motor feels hot, and loss is large, and cost is high, takes up an area greatly, and efficiency is low, is difficult for realizing the quick test pattern of pipeline system of motor test.Along with the progress of microcomputer technology and Power Electronic Technique, the electronic type electric motor experiment power supply of new generation becomes possibility.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of simple in structure, easy to use, energy-efficient aerogenerator comprehensive intelligent TT&C system.
The technical scheme that the utility model addresses the above problem is: a kind of aerogenerator comprehensive intelligent TT&C system, comprise power module, electronic internal-feedback frequency conversion power source, measurement module, touch panel, logic controller and upper PC, the input end of described power module is connected with AC network, output terminal respectively with electronic internal-feedback frequency conversion power source, measurement module is connected, described electronic internal-feedback frequency conversion power source respectively with measurement module, accompany examination motor to be connected, described measurement module respectively with upper PC, tested motor is connected, described upper PC is connected with touch panel, touch panel andlogic control device is connected, described logic controller respectively with measurement module, power module is connected.
Between described power module and measurement module, be also provided with pressure regulator, described pressure regulator andlogic control device is connected.
Described electronic internal-feedback frequency conversion power source comprises rectification unit, inversion unit, two-way inversion synchronous rectification unit, transformer, the first filter unit and the second filter unit, described rectification unit is connected with inversion unit, two-way inversion synchronous rectification unit respectively, described inversion unit, transformer, the first filter unit are connected in series successively, the output terminal of the first filter unit is connected with measurement module, described two-way inversion synchronous rectification unit is connected with the second filter unit, and the second filter unit is connected with accompanying examination motor.
Described measurement module comprises resistance measuring instrument, tachometer of measuring, current transformer, current transducer, voltage transformer (VT), voltage transmitter, gear selected cell and switch value input interface, the input end of described resistance measuring instrument is connected with tested motor, output terminal is connected with upper PC, the input end of described tachometer of measuring is connected with tested motor, output terminal is connected with upper PC, the input end of described current transformer is connected with tested motor, output terminal is connected with current transducer, current transducer is connected with upper PC, the input end of described voltage transformer (VT) is connected with tested motor, output terminal is connected with voltage transmitter voltage, transmitter is connected with upper PC, the output terminal of described current transformer, the output terminal of voltage transformer (VT) is connected with the input end of gear selected cell respectively, the output terminal of gear selected cell is connected with switch value input interface, switch value input interface is connected in upper PC.
Described measurement module is involving vibrations acoustic meter also, and the input end of described vibration noise instrument is connected with tested motor, and output terminal is connected with upper PC.
Described measurement module also comprises temperature sensor and temperature transmitter, and the input end of described temperature sensor is connected with tested motor, and output terminal is connected with temperature transmitter, and temperature transmitter is connected with upper PC.
Described measurement module also comprises meritorious/Reactive Transducer, and the input end of described gain merit/Reactive Transducer is connected with the output terminal of current transformer, the output terminal of voltage transformer (VT) respectively, and the output terminal of meritorious/Reactive Transducer is connected with upper PC.
Between described temperature transmitter and upper PC, between current transducer and upper PC, between voltage transmitter and upper PC, be equipped with intelligent instrument between meritorious/Reactive Transducer and upper PC.
Described resistance measuring instrument comprises direct current resistance measurer and insulation measurement instrument.
Described temperature sensor is platinum resistance temperature sensor.
The beneficial effects of the utility model are: the utility model adopts electronic internal-feedback frequency conversion power source, has the following advantages: (1) is energy-conservation more than 70%; (2) take up an area little, noiseless; (3) frequency is adjustable, not only can do the load test of 50Hz motor, also can do the load test of 60Hz motor; (4) easy to use, load can lock, not drift; (5) can, for monophase machine power supply, do the type approval test of monophase machine; (6) Installation and Debugging are simple.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is electronic internal-feedback frequency conversion power source structured flowchart of the present utility model.
Fig. 3 is measurement module structured flowchart of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises power module, electronic internal-feedback frequency conversion power source, measurement module, touch panel (TP270-10), logic controller (S7-200) and upper PC, the input end of described power module is connected with AC network, output terminal respectively with electronic internal-feedback frequency conversion power source, measurement module is connected, between power module and measurement module, be provided with pressure regulator, described electronic internal-feedback frequency conversion power source respectively with measurement module, accompany examination motor to be connected, described measurement module respectively with upper PC, tested motor is connected, described upper PC is connected with touch panel, touch panel andlogic control device is connected, described logic controller respectively with measurement module, pressure regulator, power module is connected.
Pressure regulator is in order to do for 50 Hz motor rotation blockages whens test, to make output voltage approach rated voltage setting as far as possible.If without pressure regulator, need to increase the capacity of electronic internal-feedback frequency conversion power source, cost can exceed much like this.
In the time of operation, touch panel is controlled the operational factor of logic controller (S7-200), and logic controller (S7-200) completes the relevant control to accompanying examination motor-tested motor unit by switch board.
The power frequency power supply of 380V is divided into 2 tunnels through power module, and the 1st tunnel output accesses the suitable for reading of pressure regulator, enters measurement module after pressure regulation; The 2nd tunnel output accesses the suitable for reading of electronic internal-feedback frequency conversion power source, as the power supply of variable-frequency power sources.Electronic internal-feedback frequency conversion power source is exported 2 road motor test power supplys, the sine-wave power that l road is tested motor, access measurement module; The 2nd tunnel is width modulation (PWM) variable-frequency power sources, and directly examination motor is accompanied in access.The function of measurement module is the no-load voltage ratio of switch current mutual inductor, for measurement instrument provides test signal, the signals such as the voltage of tested motor, electric current, rotating speed enter intelligent instrument after conversion, intelligent instrument is measured, is shown the signal entering, upper PC communicates with, and with polling mode, data transmission is come in.After data enter, virtual instrument by upper PC shows, all experimental datas can be passed to by enterprise's high speed managerial grid general manager (GM), the Total Quality Management place of company, recall at any time and print the data of pilot system, have facilitated company management.
As shown in Figure 2, electronic internal-feedback frequency conversion power source comprises rectification unit, inversion unit, two-way inversion synchronous rectification unit, transformer, the first filter unit and the second filter unit, described rectification unit is connected with inversion unit, two-way inversion synchronous rectification unit respectively, described inversion unit, transformer, the first filter unit are connected in series successively, the output terminal of the first filter unit is connected with measurement module, described two-way inversion synchronous rectification unit is connected with the second filter unit, and the second filter unit is connected with accompanying examination motor.Rectification unit is direct current common AC rectification, then passes through inversion unit, becomes sine wave, and through the first filter unit, transformer isolation produces pure sine wave (degree of distortion <2%), frequency range 47-63Hz; Feedback part is the two-way inversion synchronous rectification of a Based Intelligent Control unit, in the time accompanying examination machine operation in fourth quadrant (generating state), this unit is direct current AC rectification, feeds back to DC bus (because be direct current feedback, pollution-free to electrical network).When use, only need the asynchronous machine of two same model to dragging.
Major function in the utility model has two: one is the automatic control to motor test operating mode, and the 2nd, the data of the parameter of electric machine are carried out to automatic acquisition and processing.Motor test is that type approval test or delivery test all will be to being tested by some physical quantitys such as the voltage of measured motor, electric current, power, mains frequency, rotating speed, power factor and temperature.In these physical quantitys, there is again dividing of electric weight and non electrical quantity, for alternating current generator, the measurement of electric weight mainly comprises the measurement of alternating voltage, alternating current, power, power factor and efficiency, winding cold conditions direct current resistance etc., and the measurement of non electrical quantity mainly comprises the measurement of rotating speed, temperature, temperature rise.
As shown in Figure 3, measurement module comprises resistance measuring instrument, vibration noise instrument, tachometer of measuring, current transformer, current transducer, voltage transformer (VT), voltage transmitter, temperature sensor, temperature transmitter, meritorious/Reactive Transducer, gear selected cell and switch value input interface, described resistance measuring instrument comprises direct current resistance measurer and insulation measurement instrument, the input end of described direct current resistance measurer, the input end of insulation measurement instrument is connected with tested motor respectively, the output terminal of direct current resistance measurer, the output terminal of insulation measurement instrument is connected with upper PC respectively, the input end of described tachometer of measuring is connected with tested motor, output terminal is connected with upper PC, the input end of described current transformer is connected with tested motor, output terminal is connected with current transducer, current transducer is connected with upper PC, the input end of described voltage transformer (VT) is connected with tested motor, output terminal is connected with voltage transmitter voltage, transmitter is connected with upper PC, the input end of described vibration noise instrument is connected with tested motor, output terminal is connected with upper PC, described meritorious/input end of Reactive Transducer respectively with the output terminal of current transformer, the output terminal of voltage transformer (VT) is connected, the output terminal of meritorious/Reactive Transducer is connected with upper PC, described temperature sensor is platinum resistance temperature sensor, the input end of temperature sensor is connected with tested motor, output terminal is connected with temperature transmitter, temperature transmitter is connected with upper PC, between described temperature transmitter and upper PC, between current transducer and upper PC, between voltage transmitter and upper PC, between meritorious/Reactive Transducer and upper PC, be equipped with intelligent instrument, the output terminal of described current transformer, the output terminal of voltage transformer (VT) is connected with the input end of gear selected cell respectively, the output terminal of gear selected cell is connected with switch value input interface, switch value input interface is connected in upper PC.
The electric weight of system and the collection of non electrical quantity are completed by resistance measuring instrument, vibration noise instrument, tachometer of measuring, voltage transmitter, current transducer, intelligent instrument etc.These testers both can some parameter of independent measurement motor, the data that collect can be delivered to upper PC again, and computing machine is processed the data that gather, and obtains the actual value of electric current and voltage, power, efficiency, power factor, rotating speed and temperature.
Claims (10)
1. an aerogenerator comprehensive intelligent TT&C system, it is characterized in that: comprise power module, electronic internal-feedback frequency conversion power source, measurement module, touch panel, logic controller and upper PC, the input end of described power module is connected with AC network, output terminal respectively with electronic internal-feedback frequency conversion power source, measurement module is connected, described electronic internal-feedback frequency conversion power source respectively with measurement module, accompany examination motor to be connected, described measurement module respectively with upper PC, tested motor is connected, described upper PC is connected with touch panel, touch panel andlogic control device is connected, described logic controller respectively with measurement module, power module is connected.
2. aerogenerator comprehensive intelligent TT&C system according to claim 1, is characterized in that: between described power module and measurement module, be also provided with pressure regulator, described pressure regulator andlogic control device is connected.
3. aerogenerator comprehensive intelligent TT&C system according to claim 1, it is characterized in that: described electronic internal-feedback frequency conversion power source comprises rectification unit, inversion unit, two-way inversion synchronous rectification unit, transformer, the first filter unit and the second filter unit, described rectification unit respectively with inversion unit, two-way inversion synchronous rectification unit is connected, described inversion unit, transformer, the first filter unit is connected in series successively, the output terminal of the first filter unit is connected with measurement module, described two-way inversion synchronous rectification unit is connected with the second filter unit, the second filter unit is connected with accompanying examination motor.
4. aerogenerator comprehensive intelligent TT&C system according to claim 1, it is characterized in that: described measurement module comprises resistance measuring instrument, tachometer of measuring, current transformer, current transducer, voltage transformer (VT), voltage transmitter, gear selected cell and switch value input interface, the input end of described resistance measuring instrument is connected with tested motor, output terminal is connected with upper PC, the input end of described tachometer of measuring is connected with tested motor, output terminal is connected with upper PC, the input end of described current transformer is connected with tested motor, output terminal is connected with current transducer, current transducer is connected with upper PC, the input end of described voltage transformer (VT) is connected with tested motor, output terminal is connected with voltage transmitter voltage, transmitter is connected with upper PC, the output terminal of described current transformer, the output terminal of voltage transformer (VT) is connected with the input end of gear selected cell respectively, the output terminal of gear selected cell is connected with switch value input interface, switch value input interface is connected in upper PC.
5. aerogenerator comprehensive intelligent TT&C system according to claim 4, is characterized in that: described measurement module is involving vibrations acoustic meter also, and the input end of described vibration noise instrument is connected with tested motor, and output terminal is connected with upper PC.
6. aerogenerator comprehensive intelligent TT&C system according to claim 4, it is characterized in that: described measurement module also comprises temperature sensor and temperature transmitter, the input end of described temperature sensor is connected with tested motor, output terminal is connected with temperature transmitter, and temperature transmitter is connected with upper PC.
7. aerogenerator comprehensive intelligent TT&C system according to claim 6, it is characterized in that: described measurement module also comprises meritorious/Reactive Transducer, the input end of described gain merit/Reactive Transducer is connected with the output terminal of current transformer, the output terminal of voltage transformer (VT) respectively, and the output terminal of meritorious/Reactive Transducer is connected with upper PC.
8. aerogenerator comprehensive intelligent TT&C system according to claim 7, is characterized in that: between described temperature transmitter and upper PC, between current transducer and upper PC, between voltage transmitter and upper PC, be equipped with intelligent instrument between meritorious/Reactive Transducer and upper PC.
9. aerogenerator comprehensive intelligent TT&C system according to claim 4, is characterized in that: described resistance measuring instrument comprises direct current resistance measurer and insulation measurement instrument.
10. aerogenerator comprehensive intelligent TT&C system according to claim 6, is characterized in that: described temperature sensor is platinum resistance temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008604.6U CN203688776U (en) | 2014-01-07 | 2014-01-07 | Comprehensive intelligent measurement and control system of wind-driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008604.6U CN203688776U (en) | 2014-01-07 | 2014-01-07 | Comprehensive intelligent measurement and control system of wind-driven generator |
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| CN203688776U true CN203688776U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420008604.6U Expired - Fee Related CN203688776U (en) | 2014-01-07 | 2014-01-07 | Comprehensive intelligent measurement and control system of wind-driven generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122887A (en) * | 2014-07-29 | 2014-10-29 | 湖北三江航天红峰控制有限公司 | Three-phase alternating-current traction motor controller loading test platform and control method thereof |
| CN107037331A (en) * | 2015-11-26 | 2017-08-11 | 歌美飒创新技术公司 | For the method and system for the state of insulation for monitoring wind-driven generator winding in real time |
-
2014
- 2014-01-07 CN CN201420008604.6U patent/CN203688776U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122887A (en) * | 2014-07-29 | 2014-10-29 | 湖北三江航天红峰控制有限公司 | Three-phase alternating-current traction motor controller loading test platform and control method thereof |
| CN107037331A (en) * | 2015-11-26 | 2017-08-11 | 歌美飒创新技术公司 | For the method and system for the state of insulation for monitoring wind-driven generator winding in real time |
| CN107037331B (en) * | 2015-11-26 | 2022-03-01 | 歌美飒创新技术公司 | Method and system for monitoring the insulation state of a wind turbine winding in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20160107 |