CN203574573U - Motor high-voltage frequency conversion device - Google Patents
Motor high-voltage frequency conversion device Download PDFInfo
- Publication number
- CN203574573U CN203574573U CN201320096353.7U CN201320096353U CN203574573U CN 203574573 U CN203574573 U CN 203574573U CN 201320096353 U CN201320096353 U CN 201320096353U CN 203574573 U CN203574573 U CN 203574573U
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- high voltage
- voltage isolator
- frequency
- interlocked
- motor
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a motor high-voltage frequency conversion device, and the device is characterized in that the device comprises a frequency converter, six high-voltage isolation switches QS1, QS2, QS3, QS4, QS5, and QS6; the high-voltage isolation switches QS2, QS3 are interlocked electronically; the high-voltage isolation switches QS5, QS6 are interlocked electronically; the high-voltage isolation switches QS1, QS5 are interlocked mechanically; the high-voltage isolation switches QS4, QS6 are interlocked mechanically; the frequency converter is respectively in electrical connection of the interlocked high-voltage isolation switches QS2, QS3, and the interlocked high-voltage isolation switches QS5, QS6. The device provided by the utility model can control two motors to be in the state of power frequency or variable frequency at the same time, or to be respectively in the state of power frequency or variable frequency. The device is simple in control.
Description
Technical field
The utility model relates to a kind of motor high voltage frequency converter.
Background technology
Energy-saving of motor system can adopt high-voltage motor freguency control reform at present.But aspect high-voltage motor speed governing, owing to being subject to the restriction of technology, application is wide not enough at present sends out.Along with the maturation of High-voltage Frequency Conversion Technology, for large power high voltage motor variable speed energy saving provides wide prospect.
Frequency control, by changing motor incoming frequency, is controlled motor speed, and itself does not additionally consume power of motor, and motor overall efficiency is higher, is a kind of efficient governing system.
Utility model content
The purpose of this utility model is to propose a kind of motor high voltage frequency converter, can control two motors simultaneously.The utility model specifically adopts following technical proposal:
A kind of motor high voltage frequency converter, is characterized in that, comprises frequency converter and six high voltage isolator QS1, high voltage isolator QS2, high voltage isolator QS3, high voltage isolator QS4, high voltage isolator QS5, high voltage isolator QS6; Wherein high voltage isolator QS2 and high voltage isolator QS3, high voltage isolator QS5 and high voltage isolator QS6 electrical interlocks; High voltage isolator QS1 and high voltage isolator QS5, high voltage isolator QS4 and high voltage isolator QS6 are mechanical interlocked, and frequency converter is electrically connected with the high voltage isolator QS2 of electrical interlocks and high voltage isolator QS3, high voltage isolator QS5 and high voltage isolator QS6 respectively.
The utility model has the advantages that: utilize the utility model motor high voltage frequency converter can control two motors simultaneously/respectively in power frequency/frequency conversion state, control simple, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the application's motor high voltage frequency converter schematic diagram;
Embodiment
This converter plant is for operating voltage 8-15KV, the motor of rated power 100-2500KW; This converter plant mainly comprises frequency converter and six high voltage isolator QS1, QS2, QS3, QS4, QS5, QS6; These six high voltage isolators form a circuit, wherein QS2 and QS3, QS5 and QS6 electrical interlocks; QS1 and QS5, QS4 and QS6 are mechanical interlocked.Circuit is referring to Fig. 1.On the circuit of Fig. 1, be connected with two motor M 1 and M2.
If M1 is operated in frequency conversion state in real work, M2 can be operated in power frequency state; If contrary M2 is operated in frequency conversion state, M1 can be operated in power frequency state; If maintenance frequency converter, two loads can power frequency operation.
The frequency converter of converter plant is comprised of control circuit, rectification circuit, direct-flow intermediate circuit and inverter circuit.
The foregoing is only embodiment of the present utility model, those skilled in the art can carry out various changes or modification and not depart from spirit and scope of the present utility model the utility model embodiment according to application documents are disclosed.
Claims (1)
1. a motor high voltage frequency converter, is characterized in that, comprises frequency converter and six high voltage isolator QS1, high voltage isolator QS2, high voltage isolator QS3, high voltage isolator QS4, high voltage isolator QS5, high voltage isolator QS6; Wherein high voltage isolator QS2 and high voltage isolator QS3, high voltage isolator QS5 and high voltage isolator QS6 electrical interlocks; High voltage isolator QS1 and high voltage isolator QS5, high voltage isolator QS4 and high voltage isolator QS6 are mechanical interlocked, and frequency converter is electrically connected with the high voltage isolator QS2 of electrical interlocks and high voltage isolator QS3, high voltage isolator QS5 and high voltage isolator QS6 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096353.7U CN203574573U (en) | 2013-03-04 | 2013-03-04 | Motor high-voltage frequency conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096353.7U CN203574573U (en) | 2013-03-04 | 2013-03-04 | Motor high-voltage frequency conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574573U true CN203574573U (en) | 2014-04-30 |
Family
ID=50542282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320096353.7U Expired - Fee Related CN203574573U (en) | 2013-03-04 | 2013-03-04 | Motor high-voltage frequency conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203574573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429038A (en) * | 2015-11-30 | 2016-03-23 | 株洲南车机电科技有限公司 | High-voltage variable frequency one-to-two manual bypass cabinet |
-
2013
- 2013-03-04 CN CN201320096353.7U patent/CN203574573U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429038A (en) * | 2015-11-30 | 2016-03-23 | 株洲南车机电科技有限公司 | High-voltage variable frequency one-to-two manual bypass cabinet |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20160304 |