CN218733794U - Mixed excitation permanent magnet synchronous alternating current generator - Google Patents
Mixed excitation permanent magnet synchronous alternating current generator Download PDFInfo
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- CN218733794U CN218733794U CN202223021492.1U CN202223021492U CN218733794U CN 218733794 U CN218733794 U CN 218733794U CN 202223021492 U CN202223021492 U CN 202223021492U CN 218733794 U CN218733794 U CN 218733794U
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- 238000004804 winding Methods 0.000 abstract description 34
- 230000005284 excitation Effects 0.000 abstract description 33
- 230000001360 synchronised effect Effects 0.000 abstract description 24
- 230000001105 regulatory effect Effects 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a mixed excitation permanent magnet synchronous alternator, including permanent magnet synchronous alternator, permanent magnet synchronous alternator's permanent magnet rotor Y outside is around being equipped with a set of excitation winding L, the magnetic field polarity that excitation winding L formed is opposite with permanent magnet rotor's polarity, excitation winding L connects automatic voltage regulator AVR through the wire to the electric current size that adjusts excitation winding L through automatic voltage regulator AVR changes the superimposed magnetic field intensity size of whole generator rotor. The generator can output adjustable and stable voltage.
Description
Technical Field
The utility model belongs to a mix synchronous alternator of excitation permanent magnetism.
Background
At present, the output voltage of the conventional permanent magnet synchronous alternating current generator on the market is in direct proportion to the rotating speed, the higher the rotating speed is, the higher the output voltage is, the output voltage and the frequency of the permanent magnet synchronous alternating current generator are variable, and when external power equipment requires that the output voltage and the frequency of the generator are stable, the conventional permanent magnet synchronous generator is not suitable for use.
Disclosure of Invention
An object of the utility model is to provide a mixed excitation permanent magnet synchronous alternating current generator, this generator can export adjustable and stable voltage.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a mix synchronous alternator of excitation permanent magnetism, includes the synchronous alternator of permanent magnetism, the synchronous alternator's of permanent magnetism rotor Y outside is around being equipped with a set of excitation winding L, the polarity of the magnetic field that excitation winding L formed is opposite with the polarity of permanent magnetism rotor, excitation winding L connects automatic voltage regulating device AVR through the wire to the electric current size that adjusts excitation winding L through automatic voltage regulating device AVR changes the superimposed magnetic field intensity size of whole generator rotor.
Further, a direct current output end of the automatic voltage regulating device AVR is connected with an interface of the excitation winding L through a lead so as to output current to the excitation winding L.
Furthermore, an interface of a stator winding S of the permanent magnet synchronous alternating current generator is connected with a stator winding interface of the automatic voltage regulating device AVR through a lead.
Further, the excitation winding L is an enameled wire winding.
Compared with the prior art, the utility model discloses following beneficial effect has: the generator winds a group of excitation windings on a permanent magnet rotor of a conventional permanent magnet synchronous generator, and the superposed magnetic field intensity of the excitation windings and the permanent magnet rotor is changed by adjusting the current of the excitation windings, so that the output voltage of a stator winding S of the permanent magnet synchronous alternating current generator is adjusted, and the output voltage is adjustable and stable.
Drawings
Fig. 1 is a schematic diagram of a hybrid excitation permanent magnet synchronous alternator according to an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, the present embodiment provides a hybrid excitation permanent magnet synchronous alternator, the output voltage of which can be adjusted and maintained at a set stable voltage value. The hybrid excitation permanent magnet synchronous alternating current generator comprises a permanent magnet synchronous alternating current generator, a group of enameled wire excitation windings L are wound outside a permanent magnet rotor Y of the permanent magnet synchronous alternating current generator, the polarity of a magnetic field formed by the excitation windings L is opposite to that of the permanent magnet rotor, the excitation windings L are connected with an automatic voltage regulating device AVR through a lead, the magnetic field intensity of the whole generator rotor in superposition is changed by regulating the current of the excitation windings L through the automatic voltage regulating device AVR, and then the output voltage of a stator winding S of the permanent magnet synchronous alternating current generator is regulated. When the external electric equipment is not powered or is powered less, the current of the excitation winding L is large, the generated magnetic field can offset the magnetic field of the permanent magnet rotor Y more, when the external electric equipment is powered more, the current of the excitation winding L is small (even the current is not generated), and according to the load factor of the external electric equipment, the generator rotor is enabled to keep a specific magnetic field size, so that the output voltage of the generator stator winding S is adjustable and stable. Because the utility model discloses well generator is synchronous generator, as long as the rotational speed of generator is invariable, the output frequency of generator is invariable exactly.
In this embodiment, the dc output terminals of the automatic voltage regulator AVR, i.e., the excitation winding interface F + and F-are respectively connected to the two interfaces L1 and L2 of the excitation winding L via wires, so as to output current to the excitation winding L. The intensity of the magnetic field superposed on the generator rotor can be changed by adjusting the current of the excitation winding L, and the larger the current of the excitation winding L is, the smaller the magnetic field generated by the whole generator rotor is.
The stator winding interfaces S1 and S2 of the automatic voltage regulating device AVR are respectively connected with the two interfaces 1 and 2 of the stator winding S of the permanent magnet synchronous alternating current generator through leads so as to detect the voltage of the stator winding.
In this embodiment, the automatic voltage regulator AVR is provided with a potentiometer knob P for presetting a stable voltage value, and the preset stable voltage value of the generator can be adjusted by adjusting the preset voltage potentiometer P. Because the utility model discloses well generator is synchronous generator, as long as the rotational speed of generator is invariable, the output frequency of generator is invariable exactly.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a mix excitation permanent magnetism synchronous alternator, its characterized in that, includes permanent magnetism synchronous alternator, permanent magnetism synchronous alternator's permanent magnetism rotor Y outside is around being equipped with a set of excitation winding L, the magnetic field polarity that excitation winding L formed is opposite with permanent magnetism rotor's polarity, excitation winding L connects automatic voltage regulator AVR through the wire to the electric current size that adjusts excitation winding L through automatic voltage regulator AVR changes the superimposed magnetic field intensity size of whole generator rotor.
2. The hybrid excitation permanent magnet synchronous alternator according to claim 1, wherein the dc output terminal of the automatic voltage regulator AVR is connected to the interface of the excitation winding L through a wire to output a current to the excitation winding L.
3. The hybrid excitation permanent magnet synchronous alternator according to claim 1, wherein an interface of the stator winding S of the permanent magnet synchronous alternator is connected to a stator winding interface of the automatic voltage regulator AVR via a wire.
4. The hybrid excitation permanent magnet synchronous alternator according to claim 1, wherein the excitation winding L is a wire winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021492.1U CN218733794U (en) | 2022-11-15 | 2022-11-15 | Mixed excitation permanent magnet synchronous alternating current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223021492.1U CN218733794U (en) | 2022-11-15 | 2022-11-15 | Mixed excitation permanent magnet synchronous alternating current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733794U true CN218733794U (en) | 2023-03-24 |
Family
ID=85616488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223021492.1U Active CN218733794U (en) | 2022-11-15 | 2022-11-15 | Mixed excitation permanent magnet synchronous alternating current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733794U (en) |
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2022
- 2022-11-15 CN CN202223021492.1U patent/CN218733794U/en active Active
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