CN109581217A - A kind of pilot system of permanent magnet coupling speed regulator - Google Patents
A kind of pilot system of permanent magnet coupling speed regulator Download PDFInfo
- Publication number
- CN109581217A CN109581217A CN201710894321.4A CN201710894321A CN109581217A CN 109581217 A CN109581217 A CN 109581217A CN 201710894321 A CN201710894321 A CN 201710894321A CN 109581217 A CN109581217 A CN 109581217A
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- CN
- China
- Prior art keywords
- permanent magnet
- frequency converter
- speed regulator
- magnet coupling
- coupling speed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a kind of pilot systems of permanent magnet coupling speed regulator, including boosting component, the first frequency converter, asynchronous machine, the second frequency converter, Energizing unit and synchronous motor, the input terminal of the boosting component is connected with electric network source, the output end of the boosting component is connected with the input terminal of first frequency converter and the second frequency converter, the asynchronous machine is connected with first frequency converter and permanent magnet coupling speed regulator respectively, for driving permanent magnet coupling speed regulator to preset rotation speed under the power supply that the first frequency converter provides；The synchronous motor is connected with second frequency converter and permanent magnet coupling speed regulator respectively, for being loaded to permanent magnet coupling speed regulator；The Energizing unit is connected with electric network source and synchronous motor respectively, for providing synchronous machinery excitation electric current.The pilot system of permanent magnet coupling speed regulator of the invention has many advantages, such as that structure is simple, easy to operate, energy saving reliable.
Description
Technical field
The invention mainly relates to permanent magnet coupling speed regulator technical fields, refer in particular to a kind of test system of permanent magnet coupling speed regulator
System.
Background technique
Permanent magnet coupling speed regulator is a kind of motor soft start under heavy load occurred in recent years or the equipment of speed regulation；It is according to existing
Torque non contact transmission is completed, realizes the aerial biography of energy using magneticaction caused by permanent-magnet material for theory of magnetism
It passs.It is at present both at home and abroad not yet the pilot system of load with permanent magnetic coupling.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
The pilot system of kind simple, easy to operate, the energy-efficient permanent magnet coupling speed regulator of structure.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of pilot system of permanent magnet coupling speed regulator, including boosting component, the first frequency converter, asynchronous machine, the second frequency converter,
Energizing unit and synchronous motor, it is described boosting component input terminal be connected with electric network source, it is described boost component output end and
The input terminal of first frequency converter and the second frequency converter be connected, the asynchronous machine respectively with first frequency converter and permanent magnetism
Coupled speed regulator is connected, for driving permanent magnet coupling speed regulator to preset rotation speed under the power supply that the first frequency converter provides；It is described
Synchronous motor is connected with second frequency converter and permanent magnet coupling speed regulator respectively, for being added to permanent magnet coupling speed regulator
It carries；The Energizing unit is connected with electric network source and synchronous motor respectively, for providing synchronous machinery excitation electric current.
As a further improvement of the above technical scheme:
It further include sequentially connected transformer, speed adjustment unit and feedback unit, the feedback unit and the electric network source or system
Moving cell is connected, and the transformer is connected with the permanent magnet coupling speed regulator, for by the slip energy of permanent magnet coupling speed regulator
Electric network source or consumption are fed back on brake unit.
The boosting component is step-up transformer.
First switch is in series between boosting component and the electric network source.
It is parallel with precharge unit in the first switch, for giving the first frequency converter and second before first switch closure
Transformer in frequency converter charges, and cuts off charging after first switch closure.
Second switch is provided between the boosting component and the first frequency converter and the second frequency converter.
The second switch is disconnecting switch.
Compared with the prior art, the advantages of the present invention are as follows:
The pilot system of permanent magnet coupling speed regulator of the invention is formed to dragging by synchronous motor and asynchronous machine, and is all connected with
To electric network source, the not only reliable progress of guarantee test, while feedback can be carried out to energy, it can expire in the environment of weak grid
The load test of sufficient high-power permanent magnet coupler.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the pilot system of the permanent magnet coupling speed regulator of the present embodiment, including boosting component, the first frequency converter,
Asynchronous machine, the second frequency converter, Energizing unit and synchronous motor, the input terminal for the component that boosts are connected with electric network source, boosting group
The output end of part is connected with the input terminal of the first frequency converter and the second frequency converter, asynchronous machine respectively with the first frequency converter and permanent magnetism
Coupled speed regulator is connected, for driving permanent magnet coupling speed regulator to preset rotation speed under the power supply that the first frequency converter provides；It is synchronous
Motor is connected with the second frequency converter and permanent magnet coupling speed regulator respectively, for being loaded to permanent magnet coupling speed regulator；Excitation list
First U3 is connected with electric network source and synchronous motor respectively, for providing synchronous machinery excitation electric current.Permanent magnet coupling tune of the invention
The pilot system of fast device is formed to dragging by synchronous motor and asynchronous machine, and is connected to electric network source, not only guarantee test
Reliable progress, while feedback can be carried out to energy, the negative of high-power permanent magnet coupler is able to satisfy in the environment of weak grid
Carry test.
It further include sequentially connected transformer TM2, speed adjustment unit and feedback unit in the present embodiment, feedback unit and electricity
Network source or brake unit are connected, and transformer is connected with permanent magnet coupling speed regulator, for by the slippage energy of permanent magnet coupling speed regulator
Amount (4.3KV) is converted into 690V, then is fed back to 380V power grid through feedback unit；Or in small-power test, by energy consumption
On brake unit.
In the present embodiment, boosting component is step-up transformer (TM1 in Fig. 1), and 380V can be converted into 10KV high pressure.The
Electric network source can be converted into the adjustable three-phase alternating current of voltage, frequency by AC-DC-AC by one frequency converter (such as high-voltage frequency converter U1)
Voltage is tested for permanent magnet coupling speed regulator, using air cooling way, can meet 0-75HZ operation；For the two quadrant method of operation.The
Electric network source can be converted into the adjustable three-phase alternating voltage of voltage, frequency for permanent magnet coupling by AC-DC-AC by two frequency converter U2
Device test is used, and using air cooling way, can be met 0-75HZ operation, is four quadrant running mode.
In the present embodiment, boosts and be in series with first switch (QF1 in Fig. 1) between component and electric network source, be responsible for power grid
The cutting and connection of power supply, in case of emergency can trip protection.
In the present embodiment, it is parallel with precharge unit in first switch, before QF1 combined floodgate, first passes through charging resistor to the
Transformer in one frequency converter and the second frequency converter charges；After charging result, combined floodgate QF1, while disjunction KM1, that is, it charges
After cut off charging resistor.
In the present embodiment, boosts and be provided with second switch (in Fig. 1 between component and the first frequency converter and the second frequency converter
Disconnecting switch QS1 and QS2), for forming obvious breakpoint by QS1 and QS2 when each frequency converter is overhauled；Normal work
"on" position is in when making.
In the present embodiment, each component can realize that remote control, every terms of information are directly displayed to middle control interface in pilot system,
Intelligence degree is high, easy to operate；In test can automatic collection all data, test after the completion of automatically generate test report,
Copper loss test, core-loss test, TN curve experiments, overspeed test, the fatigue test, zero of 2500KW or less permanent magnetic coupling can be met
Fast load test etc.；Slip power is delivered to power grid by feedback unit, achievees the purpose that energy-saving；It is adopted in mechanical back to back test
With the mode of exchange feedback, the load test of high-power permanent magnet coupler is able to satisfy in the environment of weak grid.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (7)
1. a kind of pilot system of permanent magnet coupling speed regulator, which is characterized in that including the component, the first frequency converter, asynchronous electricity of boosting
The input terminal of machine, the second frequency converter, Energizing unit and synchronous motor, the boosting component is connected with electric network source, the boosting
The output end of component is connected with the input terminal of first frequency converter and the second frequency converter, and the asynchronous machine is respectively with described
One frequency converter is connected with permanent magnet coupling speed regulator, for driving permanent magnet coupling speed regulator extremely under the power supply that the first frequency converter provides
Preset rotation speed；The synchronous motor is connected with second frequency converter and permanent magnet coupling speed regulator respectively, for permanent magnet coupling
Governor is loaded；The Energizing unit is connected with electric network source and synchronous motor respectively, for providing synchronous machinery excitation
Electric current.
2. the pilot system of permanent magnet coupling speed regulator according to claim 1, which is characterized in that further include sequentially connected
Transformer, speed adjustment unit and feedback unit, the feedback unit are connected with the electric network source or brake unit, the transformer
It is connected with the permanent magnet coupling speed regulator, exists for the slip energy of permanent magnet coupling speed regulator to be fed back to electric network source or consume
On brake unit.
3. the pilot system of permanent magnet coupling speed regulator according to claim 1 or 2, which is characterized in that the boosting component
For step-up transformer.
4. the pilot system of permanent magnet coupling speed regulator according to claim 1 or 2, which is characterized in that the boosting component
First switch is in series between electric network source.
5. the pilot system of permanent magnet coupling speed regulator according to claim 1 or 2, which is characterized in that the first switch
On be parallel with precharge unit, for being carried out before first switch closure to the transformer in the first frequency converter and the second frequency converter
Charging, and charging is cut off after first switch closure.
6. the pilot system of permanent magnet coupling speed regulator according to claim 1 or 2, which is characterized in that the boosting component
Second switch is provided between the first frequency converter and the second frequency converter.
7. the pilot system of permanent magnet coupling speed regulator according to claim 6, which is characterized in that the second switch be every
Leave pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894321.4A CN109581217A (en) | 2017-09-28 | 2017-09-28 | A kind of pilot system of permanent magnet coupling speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894321.4A CN109581217A (en) | 2017-09-28 | 2017-09-28 | A kind of pilot system of permanent magnet coupling speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109581217A true CN109581217A (en) | 2019-04-05 |
Family
ID=65912439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710894321.4A Pending CN109581217A (en) | 2017-09-28 | 2017-09-28 | A kind of pilot system of permanent magnet coupling speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581217A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049355A (en) * | 2020-01-17 | 2020-04-21 | 南京工程学院 | Axial and radial magnetic flux combined brushless power feedback type permanent magnet speed regulation device |
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| CN201540202U (en) * | 2009-11-19 | 2010-08-04 | 上海万德风力发电股份有限公司 | 1.5MW permanent-magnet direct-drive wind power generator testing device |
| CN201886131U (en) * | 2010-12-02 | 2011-06-29 | 上海万德风力发电股份有限公司 | Fast simulating and testing system for novel magnetic steel of large-scale wind driven generator |
| CN102680892A (en) * | 2012-01-04 | 2012-09-19 | 河南科技大学 | Universal test bench for detecting performance of permanent magnet generator |
| CN204789943U (en) * | 2015-07-16 | 2015-11-18 | 湖南省大中型电机电控产品质量监督检验中心 | Hand over direct current motor type test detection device |
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2017
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| CN201532445U (en) * | 2009-11-17 | 2010-07-21 | 沈阳华人风电科技有限公司 | Simulation experimental bench for performance of permanent-magnet generator |
| CN201540202U (en) * | 2009-11-19 | 2010-08-04 | 上海万德风力发电股份有限公司 | 1.5MW permanent-magnet direct-drive wind power generator testing device |
| CN201886131U (en) * | 2010-12-02 | 2011-06-29 | 上海万德风力发电股份有限公司 | Fast simulating and testing system for novel magnetic steel of large-scale wind driven generator |
| CN102680892A (en) * | 2012-01-04 | 2012-09-19 | 河南科技大学 | Universal test bench for detecting performance of permanent magnet generator |
| CN204789943U (en) * | 2015-07-16 | 2015-11-18 | 湖南省大中型电机电控产品质量监督检验中心 | Hand over direct current motor type test detection device |
| CN205958710U (en) * | 2016-06-23 | 2017-02-15 | 杭州索川科技有限公司 | Test platform of hydroelectric generator performance |
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| 李存贺: "磁力耦合器特性研究及试验平台设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111049355A (en) * | 2020-01-17 | 2020-04-21 | 南京工程学院 | Axial and radial magnetic flux combined brushless power feedback type permanent magnet speed regulation device |
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Application publication date: 20190405 |