CN203387457U - Special-purpose integrated frequency conversion driving device for unit brushless double-fed motor - Google Patents
Special-purpose integrated frequency conversion driving device for unit brushless double-fed motor Download PDFInfo
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- CN203387457U CN203387457U CN201320448243.2U CN201320448243U CN203387457U CN 203387457 U CN203387457 U CN 203387457U CN 201320448243 U CN201320448243 U CN 201320448243U CN 203387457 U CN203387457 U CN 203387457U
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Abstract
The utility model discloses a special-purpose integrated frequency conversion driving device for a unit brushless double-fed motor. A controller is respectively connected with a man-machine operation interface, an inversion unit, a low voltage current detection unit, the brushless double-fed motor, a high voltage current detection unit and a high voltage control loop, wherein the high voltage current detection unit is connected with a power winding, the low voltage current detection unit is connected with a control winding, the power winding and the control winding are connected with the brushless double-fed motor, the power winding is sequentially connected with the high voltage control loop and a high voltage electrical network, and the control winding is sequentially connected with the inversion unit, a rectifier unit, an input contactor and a low voltage network. The special-purpose integrated frequency conversion driving for the unit brushless double-fed motor discloses multi-frequency integration frequency conversion control technology and practical algorithm, develops a special-purpose frequency conversion driving control system for the brushless double-fed motor and realizes multi-frequency integration frequency conversion control and frequency conversion speed regulation of the brushless double-fed motor.
Description
Technical field
The utility model relates to the brushless double-fed motor technical field, especially a kind of special-purpose integrated variable frequency drive unit of brushless double-fed motor.
Background technology
Early, brushless dual-feed motor is developed by the tandem induction machine in the external research to brushless dual-feed motor.The end of the eighties in last century, the optimization that is established as brushless dual-feed motor dynamic simulation and control performance of brushless dual-feed motor dynamic mathematical models and twin shaft Mathematical Modeling provided solid foundation to the beginning of the nineties.External all in the governing system of research and development brushless dual-feed motor at present, in existing successful experiences such as the U.S., Germany, Russia, and in industrial Electric Drive and constant frequency and constant voltage power field, applied.And China starts from the mid-90 to the research of brushless dual-feed motor, also obtained up till now certain achievement, but also had certain gap with the research application to brushless dual-feed motor abroad.Therefore, be necessary very much the brushless dual-feed motor governing system is studied.
The utility model content
For the problems referred to above, the utility model aims to provide a kind of special-purpose integrated variable frequency drive unit of brushless double-fed motor.
For realizing this technical purpose, scheme of the present utility model is: a kind of special-purpose integrated variable frequency drive unit of brushless double-fed motor, comprise controller, man machine operation interface, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, the power winding, control winding, high-voltage fence, rectification unit, the input contactor, low voltage electric network, be connected with respectively man machine operation interface on described controller, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, wherein the high-tension current detecting unit is connected on the power winding, the low-tension current detecting unit is connected to be controlled on winding, described power winding, controlling winding is connected on brushless dual-feed motor, wherein power winding back connects the high voltage control loop successively, high-voltage fence, control the winding back and connect successively inversion unit, rectification unit, the input contactor, low voltage electric network.
As preferably, described brushless dual-feed motor is compared with the brush double-fed being arranged and go here and there adjusting system, has cancelled brush and slip ring, thereby has improved the system reliability of operation, and had a key start key, can realize a key hold function.
The special-purpose integrated variable frequency drive unit of a kind of brushless double-fed motor of the present utility model, the synthetic frequency conversion control technique of multi-frequency and practical algorithm are proposed, develop the special-purpose Frequency Drive Control system of brushless double-fed motor, realized the synthetic variable frequency control of multi-frequency and the brushless double-fed motor variable frequency speed control of frequency conversion winding.
The accompanying drawing explanation
Fig. 1 is the utility model work operating structure schematic diagram;
Fig. 2 is brushless double-fed motor variable frequency speed control system structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1-2, the special-purpose integrated variable frequency drive unit of a kind of brushless double-fed motor of the utility model embodiment, comprise controller, man machine operation interface, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, the power winding, control winding, high-voltage fence, rectification unit, the input contactor, low voltage electric network, be connected with respectively man machine operation interface on described controller, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, wherein the high-tension current detecting unit is connected on the power winding, the low-tension current detecting unit is connected to be controlled on winding, described power winding, controlling winding is connected on brushless dual-feed motor, wherein power winding back connects the high voltage control loop successively, high-voltage fence, control the winding back and connect successively inversion unit, rectification unit, the input contactor, low voltage electric network.
As preferably, described brushless dual-feed motor is compared with the brush double-fed being arranged and go here and there adjusting system, has cancelled brush and slip ring, thereby has improved the system reliability of operation, and had a key start key, can realize a key hold function.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection range of technical solutions of the utility model.
Claims (2)
1. the special-purpose integrated variable frequency drive unit of a brushless double-fed motor, it is characterized in that, comprise controller, man machine operation interface, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, the power winding, control winding, high-voltage fence, rectification unit, the input contactor, low voltage electric network, be connected with respectively man machine operation interface on described controller, inversion unit, the low-tension current detecting unit, brushless dual-feed motor, the high-tension current detecting unit, the high voltage control loop, wherein the high-tension current detecting unit is connected on the power winding, the low-tension current detecting unit is connected to be controlled on winding, described power winding, controlling winding is connected on brushless dual-feed motor, wherein power winding back connects the high voltage control loop successively, high-voltage fence, control the winding back and connect successively inversion unit, rectification unit, the input contactor, low voltage electric network.
2. the special-purpose integrated variable frequency drive unit of a kind of brushless double-fed motor according to claim 1, is characterized in that, described brushless dual-feed motor has a key start key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448243.2U CN203387457U (en) | 2013-07-17 | 2013-07-17 | Special-purpose integrated frequency conversion driving device for unit brushless double-fed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448243.2U CN203387457U (en) | 2013-07-17 | 2013-07-17 | Special-purpose integrated frequency conversion driving device for unit brushless double-fed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387457U true CN203387457U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320448243.2U Expired - Fee Related CN203387457U (en) | 2013-07-17 | 2013-07-17 | Special-purpose integrated frequency conversion driving device for unit brushless double-fed motor |
Country Status (1)
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| CN (1) | CN203387457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471340A (en) * | 2015-12-31 | 2016-04-06 | 易事特集团股份有限公司 | Starting structure, starting method and starting device for brushless double-feed motor |
| CN106208883A (en) * | 2016-08-10 | 2016-12-07 | 北京国电四维清洁能源技术有限公司 | Phase-wound rotor brushless double-fed motor non-impacting start device and startup method |
| CN106230329A (en) * | 2016-08-10 | 2016-12-14 | 北京国电四维清洁能源技术有限公司 | Phase-wound rotor brushless double-fed motor controls device and control method |
-
2013
- 2013-07-17 CN CN201320448243.2U patent/CN203387457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471340A (en) * | 2015-12-31 | 2016-04-06 | 易事特集团股份有限公司 | Starting structure, starting method and starting device for brushless double-feed motor |
| CN106208883A (en) * | 2016-08-10 | 2016-12-07 | 北京国电四维清洁能源技术有限公司 | Phase-wound rotor brushless double-fed motor non-impacting start device and startup method |
| CN106230329A (en) * | 2016-08-10 | 2016-12-14 | 北京国电四维清洁能源技术有限公司 | Phase-wound rotor brushless double-fed motor controls device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: SHENZHEN KANGCAN TECHNOLOGY Co.,Ltd. Person in charge of patentsThe principal of patent Document name: payment instructions |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |