CN206422718U - The soft-start control system of power frequency operation permagnetic synchronous motor - Google Patents
The soft-start control system of power frequency operation permagnetic synchronous motor Download PDFInfo
- Publication number
- CN206422718U CN206422718U CN201720104801.1U CN201720104801U CN206422718U CN 206422718 U CN206422718 U CN 206422718U CN 201720104801 U CN201720104801 U CN 201720104801U CN 206422718 U CN206422718 U CN 206422718U
- Authority
- CN
- China
- Prior art keywords
- contactor
- supply line
- synchronous motor
- permagnetic synchronous
- frequency converter
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model is related to a kind of soft-start control system of power frequency operation permagnetic synchronous motor, it is characterized in that：Including the first supply line and the second supply line；First supply line includes first contactor and frequency converter, one end connection three-phase electricity of first contactor, and the other end of first contactor connects one end of frequency converter, the other end connection permagnetic synchronous motor of frequency converter；Second supply line includes second contactor, one end connection three-phase electricity of second contactor, the other end connection permagnetic synchronous motor of second contactor；The same phase of first supply line and the second supply line connects electric potential detector respectively.The utility model is in the case of without speed governing, motor constant-speed operation, overcome the problem of high power permanent magnet synchronous motor can not realize across-the-line starting, by transducer drive electric motor starting, in the case of shock-free to power network, motor is switched into power network to power, stop frequency converter work, realize efficient, the synchronous operation of permagnetic synchronous motor operation.
Description
Technical field
The utility model is related to a kind of soft-start control system of power frequency operation permagnetic synchronous motor, belongs to electrical system control
Technical field processed.
Background technology
Because permagnetic synchronous motor can not reduced voltage starting characteristic, the condition that low-power machine is permitted in power network ability to bear
Under can be with across-the-line starting, high power permanent magnet synchronous motor can not all realize this function, in the case of without speed governing operation, increase
Plus the operation of Frequency Converter Control permagnetic synchronous motor will increase the energy consumption of system, often not reach power conservation requirement.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art there is provided a kind of power frequency operation permanent magnet synchronous electric
The soft-start control system of machine, in the case of without speed governing, motor constant-speed operation, overcomes high power permanent magnet synchronous motor can not
The problem of realizing across-the-line starting.
The technical scheme provided according to the utility model, a kind of soft start control system of power frequency operation permagnetic synchronous motor
System, it is characterized in that：Including the first supply line and the second supply line；First supply line includes first contactor and change
Frequency device, one end connection three-phase electricity of first contactor, the other end of first contactor connects one end of frequency converter, frequency converter it is another
One end connects permagnetic synchronous motor；Second supply line includes second contactor, one end connection three-phase of second contactor
Electricity, the other end connection permagnetic synchronous motor of second contactor；First supply line mutually divides with the same of the second supply line
Electric potential detector is not connected.
Further, the electric potential detector, first contactor, second contactor and frequency converter connect PLC controls respectively
Device.
Further, the electric potential detector connects one end of second contactor and the other end of frequency converter respectively.
The soft-start control system of power frequency operation permagnetic synchronous motor described in the utility model, permanent without speed governing, motor
In the case of speed operation, the problem of high power permanent magnet synchronous motor can not realize across-the-line starting is overcome, by transducer drive motor
Start, in the case of shock-free to power network, motor is switched into power network and powered, stop frequency converter work, realize permanent-magnet synchronous
Efficient, the synchronous operation of motor operation system.
Brief description of the drawings
Fig. 1 is the schematic diagram of the soft-start control system of power frequency operation permagnetic synchronous motor described in the utility model.
Description of reference numerals：1-PLC controllers, 2- electric potential detectors, 3- first contactors, 4- second contactors, 5- become
Frequency device, 6- permagnetic synchronous motors.
Embodiment
With reference to specific accompanying drawing, the utility model is described in further detail.
As shown in figure 1, the soft-start control system of power frequency operation permagnetic synchronous motor described in the utility model includes first
Supply line and the second supply line；First supply line includes first contactor 3 and frequency converter 5, first contactor 3
One end connects three-phase electricity, and the other end of first contactor 3 connects one end of frequency converter 5, and the other end connection permanent magnetism of frequency converter 5 is same
Walk motor 6；Second supply line includes second contactor 4, one end connection three-phase electricity of second contactor 4, the second contact
The other end connection permagnetic synchronous motor 6 of device 4；The same phase of first supply line and the second supply line connects current potential respectively
Detector 2.
The electric potential detector 2, first contactor 3, second contactor 4 and frequency converter 5 connect PLC 1 respectively, by
PLC 1 controls work.
Motor supply line is designed as two sets of circuits by the utility model, when motor is ready to start, is controlled by PLC 1
The adhesive of first contactor 3 processed, then control frequency converter 5 to start, the smooth start of permagnetic synchronous motor 6 is realized, the starting time can root
Artificially adjusted, powered when permagnetic synchronous motor 6 is run to a certain rotating speed by being connected to two sets according to actual operation requirements
Circuit detects electric potential signal with the electric potential detector 2 of phase, is operated in control PLC controller 1, and control first contactor 3 is broken
Open, frequency converter 5 stops, the adhesive of second contactor 4, so that the effect of real varying frequency starting power frequency operation.
The soft-start control system of power frequency operation permagnetic synchronous motor described in the utility model, is eliminating permagnetic synchronous motor
In the case that full-voltage starting starting current is big, the loss of system frequency converter is reduced, so as to further improve electric system operation
Efficiency.
Claims (3)
1. a kind of soft-start control system of power frequency operation permagnetic synchronous motor, it is characterized in that：Including the first supply line and
Two supply lines；First supply line includes first contactor（3）And frequency converter（5）, first contactor（3）One end connect
Connect three-phase electricity, first contactor（3）The other end connection frequency converter（5）One end, frequency converter（5）The other end connection permanent magnetism it is same
Walk motor（6）；Second supply line includes second contactor（4）, second contactor（4）One end connection three-phase electricity, the
Two contactors（4）The other end connection permagnetic synchronous motor（6）；First supply line mutually divides with the same of the second supply line
Electric potential detector is not connected（2）.
2. the soft-start control system of power frequency operation permagnetic synchronous motor as claimed in claim 1, it is characterized in that：The current potential
Detector（2）, first contactor（3）, second contactor（4）And frequency converter（5）PLC is connected respectively（1）.
3. the soft-start control system of power frequency operation permagnetic synchronous motor as claimed in claim 1, it is characterized in that：The current potential
Detector（2）Second contactor is connected respectively（4）One end and frequency converter（5）The other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104801.1U CN206422718U (en) | 2017-01-25 | 2017-01-25 | The soft-start control system of power frequency operation permagnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104801.1U CN206422718U (en) | 2017-01-25 | 2017-01-25 | The soft-start control system of power frequency operation permagnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206422718U true CN206422718U (en) | 2017-08-18 |
Family
ID=59570928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104801.1U Expired - Fee Related CN206422718U (en) | 2017-01-25 | 2017-01-25 | The soft-start control system of power frequency operation permagnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206422718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510471A (en) * | 2017-09-15 | 2019-03-22 | 奥的斯电梯公司 | Frequency converter, bypass frequency conversion control system and its method for handover control |
| CN113014159A (en) * | 2019-12-19 | 2021-06-22 | 丹东山川电机有限公司 | Motor starting method for testing performance of TYCD self-starting permanent magnet synchronous motor |
-
2017
- 2017-01-25 CN CN201720104801.1U patent/CN206422718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510471A (en) * | 2017-09-15 | 2019-03-22 | 奥的斯电梯公司 | Frequency converter, bypass frequency conversion control system and its method for handover control |
| CN113014159A (en) * | 2019-12-19 | 2021-06-22 | 丹东山川电机有限公司 | Motor starting method for testing performance of TYCD self-starting permanent magnet synchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102340270B (en) | Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor | |
| CN102255586A (en) | Constant power wide speed regulation control method for permanent magnet synchronous motor | |
| CN206422718U (en) | The soft-start control system of power frequency operation permagnetic synchronous motor | |
| CN203911836U (en) | Blower fan frequency conversion speed regulation system with double PWM control | |
| CN103618493A (en) | Single-winding single-phase AC motor control module | |
| CN104218858A (en) | Topological structure and device of three-stage brushless starting/generator three-phase alternating-current excitation system | |
| CN201690400U (en) | Frequency-conversion soft-start hybrid power cabinet | |
| CN204847730U (en) | Colliery is synchronous device that directly drives of permanent magnetism for lifting machine | |
| CN103166543A (en) | Multi-split variable-frequency speed control system of energy-saving feedback type brushless coiling motor | |
| CN106899241B (en) | Brushless doubly-fed motor starting control device and method | |
| CN203114658U (en) | Intelligent constant pressure control system for industrial water pump | |
| CN204652275U (en) | A kind of permagnetic synchronous motor direct torque control device based on constant switching frequency space vector modulation | |
| CN201674449U (en) | Switched reluctance motor | |
| CN105024396A (en) | Energy feedback frequency converter | |
| CN203166769U (en) | High voltage frequency converter having rotating speed tracking and starting function | |
| CN203399041U (en) | Frequency conversion speed regulating device of high-power alternating-current winding motor | |
| CN202978798U (en) | Electrical appliance in which high-voltage brushless DC motor is driven by three-phase sine wave | |
| CN106899242B (en) | Brushless doubly-fed motor starting control device and method | |
| CN202121546U (en) | Digitalized frequency converter control system device | |
| CN202334427U (en) | Special energy-saving crane motor and speed regulating system | |
| CN202150822U (en) | Four-quadrant frequency-converter main circuit used for constant-power wide range speed control of permanent magnet synchronous motor | |
| CN202261162U (en) | Claw-pole motor driving system and fan driving system applying same | |
| CN204947947U (en) | BLDCM Drive System, drive circuit | |
| CN203423643U (en) | Sensor-less permanent-magnet synchronous motor direct drive device | |
| CN204334408U (en) | The adjustable-speed motor of adjustable-speed motor performance optimization device and performance optimization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170818 Termination date: 20220125 |