CN108322107A - Control method, apparatus, system, storage medium and the terminal of brushless dual-feed motor - Google Patents
Control method, apparatus, system, storage medium and the terminal of brushless dual-feed motor Download PDFInfo
- Publication number
- CN108322107A CN108322107A CN201810083742.3A CN201810083742A CN108322107A CN 108322107 A CN108322107 A CN 108322107A CN 201810083742 A CN201810083742 A CN 201810083742A CN 108322107 A CN108322107 A CN 108322107A
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- Prior art keywords
- feed motor
- brushless dual
- control
- brushless
- dual
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/20—Arrangements for starting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/26—Power factor control [PFC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to method, apparatus, system, storage medium, processor and the terminals of control brushless dual-feed motor.This method includes：Start-up resistor and the control winding of brushless dual-feed motor are connected, and to brushless dual-feed motor electrifying startup (S101)；By disconnecting start-up resistor after bypass circuit short circuit start-up resistor so that brushless dual-feed motor reaches asynchronous mode, wherein actual speed n of the brushless dual-feed motor in asynchronous modeactLess than predetermined synchronous rotational speed nsyn(S103)；And be electrically connected the power cell of frequency converter with control winding after disconnecting bypass circuit, make power cell to control winding output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until the actual speed n of brushless dual-feed motoractReach predetermined synchronous rotational speed nsyn, wherein nset=nact‑nsyn(S105).Technical solution of the present invention is used to start brushless dual-feed motor using frequency converter.
Description
Technical field
The present invention relates to brushless dual-feed motors.In particular it relates to control the method for brushless dual-feed motor, system,
Device, storage medium, processor and terminal.
Background technology
In recent years, frequency conversion timing AC motor is widely applied in many industrial circles.At present in AC speed regulating
Using it is more be mouse dragon formula induction machine, wound induction motor, double feedback electric engine etc., but these motors have the shortcomings that it is respective
And limitation.
With the development of technology, it is proposed that a kind of brushless dual-feed motor (Brushless Doubly-fed Machine, letter
Claim BDFM), stator winding is made of two sets of three-phase symmetric windings, and a set of winding is power winding (or being high-voltage winding),
A set of winding winding (or be low pressure winding) in order to control.Brushless dual-feed motor eliminates rotor-side brush, relatively traditional friendship
Galvanic electricity machine improves mechanical stability.Figure 10 shows the schematic diagram of brushless dual-feed motor, brushless dual-feed motor include control around
Group P1 and power winding P2.
Invention content
An embodiment of the present invention provides a kind of method, apparatus, system, storage medium and the ends of control brushless dual-feed motor
End, at least to solve the problems, such as effectively control brushless dual-feed motor in the prior art.
One side according to the ... of the embodiment of the present invention, the method for providing control brushless dual-feed motor, including：Electricity will be started
Resistance is connect with the control winding of brushless dual-feed motor, and to brushless dual-feed motor electrifying startup；Started by bypass circuit short circuit
Start-up resistor is disconnected after resistance so that brushless dual-feed motor reaches asynchronous mode, wherein brushless dual-feed motor is in asynchronous mode
Actual speed nactLess than predetermined synchronous rotational speed nsyn；And by the power cell and control winding of frequency converter after disconnection bypass circuit
Electrical connection makes power cell to control winding output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until brushless dual-feed motor
Actual speed nactReach predetermined synchronous rotational speed nsyn, wherein nset=nact-nsyn。
In this way, by the control of frequency converter make brushless dual-feed motor from asynchronous operation state to synchronous operation shape
State switches.
Further, this method further includes：At the beginning of making to include the system of brushless dual-feed motor before brushless dual-feed motor startup
Beginningization, and connect the peripheral auxiliary equipment for system.
In this way, prepare the system and ancillary equipment of brushless dual-feed motor operation.
Further, this method further includes：After the completion of system initialization, the power winding of brushless dual-feed motor is accessed
Power supply.
In this way, it is that brushless dual-feed motor is powered.
Further, this method further includes：By power winding short circuit；And enabled test is carried out to frequency converter.
In this way, frequency converter is tested.
Further, this method further includes：Detection include brushless dual-feed motor system in break down；By power winding
It is disconnected from power supply；And forbid to system power supply.
In this way, in system jam to down circuitry.
Another aspect according to the ... of the embodiment of the present invention additionally provides the device of control brushless dual-feed motor, including：Start mould
Block is used to connect start-up resistor and the control winding of brushless dual-feed motor, and to brushless dual-feed motor electrifying startup；Asynchronous fortune
Row module, for disconnecting start-up resistor after passing through bypass circuit short circuit start-up resistor so that brushless dual-feed motor reaches asynchronous shape
State, wherein actual speed n of the brushless dual-feed motor in asynchronous modeactLess than predetermined synchronous rotational speed nsyn；And synchronous operation mould
The power cell of frequency converter is electrically connected for disconnecting after bypass circuit with control winding, makes power cell to control winding by block
Output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until the actual speed n of brushless dual-feed motoractReach predetermined synchronous rotational speed
nsyn, wherein nset=nact-nsyn。
In this way, system makes brushless dual-feed motor be transported from asynchronous operation state to synchronous by the control of frequency converter
Row state switches.
Further, which further includes：Software function packet module, for being carried out to the system including brushless dual-feed motor
Control, software function packet module include：User interface management function module is used for the interface management of frequency converter；Logic control with
Monitoring function module, the state of operation logic and monitoring system for control system；And it protects and control function module, use
In protection system.
In this way, the further control to the system of brushless dual-feed motor is realized.
Further, logic control further comprises with monitoring function module：Sequential control function module, adoption status machine
Control operation logic；Speed controlling function module, the rotating speed for controlling brushless dual-feed motor；Power factor controlling function mould
Block, the power factor for controlling brushless dual-feed motor；And current control function module, in the circuit of control system
Electric current.
In this way, the operation of brushless dual-feed motor is controlled.
Another aspect according to the ... of the embodiment of the present invention, the system for additionally providing control brushless dual-feed motor, including：Frequency conversion
Device；Brushless dual-feed motor；And the device of above-mentioned control brushless dual-feed motor.
Another aspect according to the ... of the embodiment of the present invention additionally provides storage medium, and storage medium includes the program of storage,
In, when program is run, control includes the equipment method that executes above-mentioned any one of storage medium.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
Another aspect according to the ... of the embodiment of the present invention additionally provides processor, and processor is for running program, wherein journey
The method that above-mentioned any one is executed when sort run.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
Another aspect according to the ... of the embodiment of the present invention additionally provides terminal, including：One or more processors, memory,
Display device and one or more programs, wherein one or more programs are stored in memory, and are configured as
It is executed by one or more processors, one or more programs include the method for executing above-mentioned any one.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
In embodiments of the present invention, using after brushless dual-feed motor enters asynchronous mode, by frequency converter to brushless double
The negative sense rotating speed of the control winding output and slippage rotating speed negative sense of generating aid promotes the rotating speed of brushless dual-feed motor to predetermined same
Rotating speed, and the operation of the software function packet control brushless dual-feed motor provided using frequency convertor system are provided, solve related skill
The problem of brushless dual-feed motor cannot effectively be controlled in art in the prior art.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the method for control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 2 is the circuit diagram according to the ... of the embodiment of the present invention for including brushless dual-feed motor；
Fig. 3 is the further flow chart of the method for control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 4 is the further flow chart of the method for control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 5 is the block diagram of the device of control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 6 is the further block diagram of the device of control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 7 is the further block diagram of the device of control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 8 is the block diagram of the system of control brushless dual-feed motor according to the ... of the embodiment of the present invention；
Fig. 9 is the block diagram of terminal according to the ... of the embodiment of the present invention；
Figure 10 is the schematic diagram of brushless dual-feed motor.
Drawing reference numeral explanation：
S101：Start-up resistor and the control winding of brushless dual-feed motor are connected, and the brushless dual-feed motor is powered on
Start；
S103：By disconnecting the start-up resistor after start-up resistor described in bypass circuit short circuit so that the brushless double feed
Motor reaches asynchronous mode；
S105：The power cell of frequency converter is electrically connected with the control winding after disconnecting the bypass circuit, is made described
Negative sense rotating speed of the power cell to control winding output and slippage rotating speed negative sense；
1：Frequency converter；
11：Control unit；
111：Computing module；
13：Power cell；
21：High-voltage circuitbreaker；
23：Power supply；
25：Transformer；
27：Low-voltage circuit breaker；
3：Brushless dual-feed motor；
31：Power winding；
33：Control winding；
5：Encoder；
51：Interface module；
7：Power factor measures unit；
71：Voltage transformer；
73：Current transformer；
75：Terminal module；
91：Starting switch；
92：Start-up resistor；
93：By-pass switch；
94：Bypass circuit；
95：Adjustment switch；
96：Output reactance；
97：Fuse；
98：Input reactance；
S301：Brushless dual-feed motor startup before make include brushless dual-feed motor system initialization；
S303：Connect the peripheral auxiliary equipment for system；
S305：After the completion of system initialization, power winding is accessed into power supply；
S307：By the power winding short circuit；
S309：Enabled test is carried out to frequency converter；
S401：Detection include brushless dual-feed motor system in break down；
S403：Power winding is disconnected from power supply；
S405：Forbid to system power supply；
4：Control the device of brushless dual-feed motor；
41：Starting module；
43：Asynchronous operation module；
45：Run simultaneously module；
47：Software function packet module；
471：User interface management function module；
473：Logic control and monitoring function module；
475：Protection and control function module；
4731：Sequential control function module；
4733：Speed controlling function module；
4735：Power factor controlling function module；
4737：Current control function module；
6：The system for controlling brushless dual-feed motor；
8：Terminal；
81：Processor；
83：Memory；
831：Program；
85：Display device；
P1：Control winding；
P2：Power winding.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " it is etc. for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " including " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, containing the process of series of steps or module or unit, method, system, product or equipment not
Those of be necessarily limited to clearly to list step or module or unit, but may include not listing clearly or for these mistakes
The intrinsic other steps of journey, method, product or equipment or module or unit.
One side according to the ... of the embodiment of the present invention, the method for providing control brushless dual-feed motor.Fig. 1 is according to this hair
The flow chart of the method for the control brushless dual-feed motor of bright embodiment.
As shown in Figure 1, the method for control brushless dual-feed motor includes：Step S101, by start-up resistor with it is brushless double-fed
The control winding of machine connects, and to brushless dual-feed motor electrifying startup；Step S103, after bypass circuit short circuit start-up resistor
Disconnect start-up resistor so that brushless dual-feed motor reaches asynchronous mode, wherein brushless dual-feed motor turns in the reality of asynchronous mode
Fast nactLess than predetermined synchronous rotational speed nsyn；And step S105, it disconnects the power cell of frequency converter and control after bypass circuit
Winding is electrically connected, and makes power cell to control winding output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until brushless double-fed
The actual speed n of machineactReach predetermined synchronous rotational speed nsyn, wherein nseT=nact-nsyn。
Brushless dual-feed motor is in asynchronous operation state after start completion, in order to make it be switched to from asynchronous operation state
Synchronous operation state is controlled it by frequency converter (such as SINAMICS G130 frequency converters).Brushless dual-feed motor has
Power winding and control winding, control winding can be used for controlling the operating status of brushless dual-feed motor.Frequency converter has control
Module, and then be electrically connected with the control winding of brushless dual-feed motor by switch in control circuit or contactor, to frequency conversion
Device can transmit electric signal by control winding to brushless dual-feed motor.Specifically, brushless dual-feed motor is in asynchronous mode
Actual speed nactLess than predetermined synchronous rotational speed nsyn(such as 750rpm), at this time slippage rotating speed nsetFor actual speed nactWith it is predetermined
Synchronous rotational speed nsynDifference, i.e. nset=nact-nsyn.In order to make the actual speed of brushless dual-feed motor be promoted to predetermined synchronous turn
Speed, frequency converter to brushless dual-feed motor by transmitting electric signal to compensate slippage rotating speed nsetCorresponding negative sense rotating speed makes brushless double
The actual speed of generating aid is gradually promoted.As the actual speed of brushless dual-feed motor gradually reaches predetermined synchronous rotational speed nsyn, become
It is zero that the negative sense rotating speed of frequency device output, which continuously decreases,.So far, it is predetermined to realize that the actual speed of brushless dual-feed motor is steadily promoted to
Synchronous rotational speed, brushless dual-feed motor enter synchronous operation state from asynchronous operation state.Further, the output of frequency converter is adjusted
Rotating speed, brushless dual-feed motor may operate in nature synchronous operation state, supersynchronous operating status, metasynchronism operating status.
In this way, by the control of frequency converter make brushless dual-feed motor from asynchronous operation state to synchronous operation shape
State switches.
Fig. 2 is the circuit diagram according to the ... of the embodiment of the present invention for including brushless dual-feed motor.As shown in Fig. 2, brushless double-fed
It includes control unit 11 and power cell 13 that machine 3, which has power winding 31 and control winding 33, frequency converter 1, and power cell 13 connects
It is connected between control unit 11 and the control winding 33 of brushless dual-feed motor 3.Interface module 51 is connect with control unit 11.Coding
Device 5 is connected between interface module 51 and brushless dual-feed motor 3.Encoder 5 obtains the rotary speed data of brushless dual-feed motor 3, will
Rotary speed data is sent to control unit 11 by interface module 51.Control unit 11 controls power according to the rotary speed data received
Unit 13 sends adjustment of rotational speed signal to control winding 33, and brushless dual-feed motor 3 receives adjustment of rotational speed signal and carries its rotating speed
Rise to predetermined synchronous rotational speed.
As shown in Fig. 2, control unit 11 includes computing module 111, computing module 111 turns according to brushless dual-feed motor 3
The promotion control power cell 13 of speed changes adjustment of rotational speed signal to reduce the output rotating speed of frequency converter 1, wherein works as brushless double feed
When the rotating speed of motor 3 is promoted to predetermined synchronous rotational speed, output rotating speed is zero.
As shown in Fig. 2, voltage transformer 71 is arranged in 31 side of power winding of brushless dual-feed motor 3.Current transformer
73 are arranged in 31 side of power winding of brushless dual-feed motor 3.Terminal module 75 is connect with control unit 11, power factor metering
Unit 7 is connected to the power winding 31 of brushless dual-feed motor 3 by voltage transformer 71 and current transformer 73, and obtains number
The power factor of brushless dual-feed motor 3 is calculated according to this, and power factor is measured unit 7 and connected by terminal module 75 and control unit 11
It connects and transmission power factor, control unit 11 is defeated to control winding 33 according to the power factor controlling power cell 13 received
The adjustment voltage gone out.
As shown in Fig. 2, start-up resistor 92 is connected or disconnected by starting switch 91 and control winding 33.Bypass circuit 94 is logical
By-pass switch 93 is crossed to connect or disconnect with control winding 33, wherein when bypass circuit 94 is connect with control winding 33, bypass electricity
Road 94 bypasses start-up resistor 92, or is 94 short circuit start-up resistor 92 of bypass circuit.
It is connected or disconnected with control winding 33 as shown in Fig. 2, adjustment switch 95 controls power cell 13, wherein work as bypass
Circuit 94 and control winding 33 disconnect, and when adjusting the closure of switch 95, and power cell 13 is electrically connected with control winding 33.
As shown in Fig. 2, output reactance 96 is connected between adjustment switch 95 and power cell 13.High-voltage circuitbreaker 21 is arranged
Between power winding 31 and power supply 23.Transformer 25 is arranged between power supply 23 and power cell 13, and low-voltage circuit breaker 27 is set
It sets between transformer 25 and power cell 13.Fuse 97 and input reactance 98 are connected to low-voltage circuit breaker 27 and power cell
Between 13.
Fig. 3 is the further flow chart of the method for control brushless dual-feed motor according to the ... of the embodiment of the present invention.According to this
Inventive embodiments, this method further include：Step S301, brushless dual-feed motor startup before make include brushless dual-feed motor system
Initialization and step S303 connect the peripheral auxiliary equipment for system.Before system operation, need to initialize it, example
Such as detecting system running environment, it is ensured that it starts under stable condition.Before being powered on to main circuit, first ensure the control of offer system
Electricity.Ensure after controlling electric stabilization, allow to power on main circuit, and access peripheral auxiliary equipment, such as brushless dual-feed motor fortune
The required equipment of row.
In this way, prepare the system and ancillary equipment of brushless dual-feed motor operation.
As shown in figure 3, according to embodiments of the present invention, this method further includes：Step S305, after the completion of system initialization,
The power winding of brushless dual-feed motor is accessed into power supply.The main circuit of power winding powers on after the power is turned in control electricity, ensures to master
The control of circuit.Power supply is power winding power, brushless dual-feed motor smooth starting in the case where concatenating start-up resistor.
In this way, it is that brushless dual-feed motor is powered.
As shown in figure 3, according to embodiments of the present invention, this method further includes：Step S307, by power winding short circuit；And
Step S309 carries out enabled test to frequency converter.Independent enabled test can be carried out to frequency converter, power winding is short at this time
It connects, frequency converter is not connected with control winding, tests frequency converter itself, ensures frequency converter normal operation.
In this way, frequency converter is tested.
Fig. 4 is the further flow chart of the method for control brushless dual-feed motor according to the ... of the embodiment of the present invention.Such as Fig. 4 institutes
Show, according to embodiments of the present invention, this method further includes：Step S401, detection include brushless dual-feed motor system in occur it is former
Barrier；Step S403 disconnects power winding from power supply；And step S405, forbid to system power supply.In system operation, one
Denier detects failure, can disconnect faulty equipment, and cut off the electricity of brushless dual-feed motor by the switch in control circuit
Power allows to carry out working service to equipment.
In this way, in system jam to down circuitry.
According to another embodiment of the present invention, the device of control brushless dual-feed motor is additionally provided, Fig. 5 is according to of the invention real
Apply the block diagram of the device of the control brushless dual-feed motor of example.As shown in figure 5, device 4 includes：Starting module 41, for that will start
The control winding of resistance and brushless dual-feed motor connects, and to brushless dual-feed motor electrifying startup；Asynchronous operation module 43, is used for
By disconnecting start-up resistor after bypass circuit short circuit start-up resistor so that brushless dual-feed motor reaches asynchronous mode, wherein brushless
Actual speed n of the double feedback electric engine in asynchronous modeactLess than predetermined synchronous rotational speed nsyn；And synchronous operation module 45, for breaking
The power cell of frequency converter is electrically connected with control winding after opening bypass circuit, makes power cell to control winding output and slippage
Rotating speed nsetThe negative sense rotating speed of negative sense, until the actual speed n of brushless dual-feed motoractReach predetermined synchronous rotational speed nsyn, wherein
nset=nact-nsyn。
The software function packet that the device of control brushless dual-feed motor uses is provided according to embodiments of the present invention.Fig. 6 is root
According to the further block diagram of the device of the control brushless dual-feed motor of the embodiment of the present invention.
According to embodiments of the present invention, which further includes：Software function packet module 47, for including described brushless double
The system of generating aid is controlled, and the software function packet module 47 includes：User interface management function module 471 is used for institute
State the interface management of frequency converter；Logic control and monitoring function module 473, the operation logic for controlling the system and monitoring
The state of the system；And protection with control function module 475, for protecting the system.For example, user interface management work(
Energy 471 includes that I/O is managed, since frequency convertor system itself has abundant interface form and extension, such as PROFIBUS/
PROFINET, On-off signal output, analog input and output etc. are realized and the progress information exchanges such as host computer, field device.
Logic control and monitoring function 473 by being switched in logic control circuit, the work of contactor or short-circuiting device, and detect nothing
The operating status of brush double feedback electric engine adjusts the equipment to come into operation, the equipment that protection disconnects failure with control function 475, control
The power supply of equipment ensures equipment safety operation and maintenance.
In this way, the further control to the system of brushless dual-feed motor is realized.
Fig. 7 is the further block diagram of the device of control brushless dual-feed motor according to the ... of the embodiment of the present invention.According to the present invention
Embodiment, logic control further comprise with monitoring function module 473：Sequential control function module 4731, adoption status machine control
Operation logic processed；Speed controlling function module 4733, the rotating speed for controlling brushless dual-feed motor；Power factor controlling function mould
Block 4735, the power factor for controlling brushless dual-feed motor；And current control function module 4737, for control system
Electric current in circuit.Logic control and monitoring function module 473 include having used the sequential control of state machine mode, it is ensured that in office
When carve that there is only a kind of states.There is stable state and transient state in the status, in internal logic or external condition trigger condition
In the case of realize the switching of different logic states.In sequential control, the power winding of brushless dual-feed motor is directly by middle pressure
Power grid is powered, and logic control is needed to realize the control to high-voltage switch gear (connection of control power winding and power supply), brushless double feed
The control winding of motor is needed logic control to realize and is tied to the topology of control winding due to control model, the difference of Starting mode
Structure (switch and contactor) carries out switching.Wherein, as shown in Figure 2：Starting switch 91 (i.e. start-up resistor contactor) is for brushless
The control winding 33 of double feedback electric engine 3 concatenates the string resistance start-up mode of start-up resistor 92, main to increase opening for brushless dual-feed motor 3
Dynamic torque reduces starting current, brushless dual-feed motor 3 is smoothly dragged to close to asynchronous operation state；By-pass switch 93, also known as
To seal asterism contactor, it is used for common induction machine start-up mode, close under asynchronous operation state status, is bypassed (short circuit)
The start-up resistor 92 that the control winding 33 of brushless dual-feed motor 3 is concatenated makes the rotor of brushless dual-feed motor 3 turn closer to synchronous
Fast (under light condition) reduces the slip of power winding；Switch 95 (frequency converter side switch) is adjusted, is disconnected in by-pass switch 93
In the case of, brushless dual-feed motor 3 by under asynchronous operation pattern switching to frequency control pattern, to access/enable frequency converter
1.Service entrance switch of the low-voltage circuit breaker 27 (mains side breaker) as frequency converter 1, for powering for frequency converter 1.This technology side
The on-line maintenance that case provides operational reliability and frequency convertor system for system is maintained to save maintenance downtime, can pass through side
The complete bypass frequency conversion device 1 of the equal realizations of way switch 93, realizes that asynchronous machine starts operational mode, ensures production.Speed controlling function
Module 4733 adjusts the rotating speed of brushless dual-feed motor according to actual speed, desired speed of brushless dual-feed motor etc., and frequency converter is defeated
Go out corresponding frequency to control brushless dual-feed motor.Power factor controlling function module 4735 reads current brushless dual-feed motor work(
The power factor of rate winding side changes the output voltage to control winding, adjustment power factor to the model needed by frequency converter
In enclosing, lifting system efficiency.The electric current of 4737 control circuit of current control function module ensures circuit stability fortune in preset range
Row.
In this way, the operation of brushless dual-feed motor is controlled.
According to another embodiment of the present invention, the system for additionally providing control brushless dual-feed motor, Fig. 8 is according to of the invention real
Apply the block diagram of the system of the control brushless dual-feed motor of example.As shown in figure 8, system 6 includes：Frequency converter 1；Brushless dual-feed motor 3；
And the device 4 of the above-mentioned control brushless dual-feed motor.
According to another embodiment of the present invention, storage medium is additionally provided, storage medium includes the program of storage, wherein
Control includes that the equipment of storage medium executes the above method when program is run.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
According to another embodiment of the present invention, processor is additionally provided, processor is for running program, wherein program is run
The Shi Zhihang above methods.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
According to another embodiment of the present invention, terminal is additionally provided, Fig. 9 is the block diagram of terminal according to the ... of the embodiment of the present invention.
As shown in figure 9, terminal 8 includes：One or more processors 81, memory 83, display device 85 and one or more programs
831, wherein one or more programs 831 are stored in memory 83, and are configured as by one or more processors 81
It executes, one or more programs 831 are for executing the above method.
In this way, make brushless dual-feed motor from asynchronous operation state to same by the control of frequency converter using program
Walk operating status switching.
Device, system, storage medium, processor and the end of above-mentioned control brushless dual-feed motor according to the ... of the embodiment of the present invention
End is being described above for implementing the method with control brushless dual-feed motor according to the ... of the embodiment of the present invention, content, herein
It repeats no more.
In the above embodiment of the present invention, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided by the present invention, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, for example, the unit or module division,
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or module or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, module or unit it is indirect
Coupling or communication connection, can be electrical or other forms.
The unit illustrated as separating component or module may or may not be physically separated, as
The component that unit or module are shown may or may not be physical unit or module, you can be located at a place, or
Person may be distributed in multiple network element or module.Some or all of list therein can be selected according to the actual needs
Member or module achieve the purpose of the solution of this embodiment.
In addition, each functional unit or module in each embodiment of the present invention can be integrated in a processing unit or mould
Can also be that each unit or module physically exist alone in block, can also two or more units or module be integrated in
In one unit or module.The form that hardware had both may be used in above-mentioned integrated unit or module is realized, software can also be used
The form of functional unit or module is realized.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (12)
1. the method for controlling brushless dual-feed motor, which is characterized in that including：
Start-up resistor and the control winding of brushless dual-feed motor are connected, and to the brushless dual-feed motor electrifying startup
(S101)；
By disconnecting the start-up resistor after start-up resistor described in bypass circuit short circuit so that the brushless dual-feed motor reaches different
Step state, wherein actual speed n of the brushless dual-feed motor in the asynchronous modeactLess than predetermined synchronous rotational speed nsyn
(S103)；And
The power cell of frequency converter is electrically connected with the control winding after disconnecting the bypass circuit, make the power cell to
The control winding output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until the actual speed n of the brushless dual-feed motoract
Reach the predetermined synchronous rotational speed nsyn, wherein nset=nact-nsyn(S105)。
2. according to the method described in claim 1, it is characterized in that, further including：
The brushless dual-feed motor startup before make include the brushless dual-feed motor system initialization (S301), and
Connect the peripheral auxiliary equipment (S303) for the system.
3. according to the method described in claim 2, it is characterized in that, further including：
After the completion of the system initialization, by the power winding access power supply (S305) of the brushless dual-feed motor.
4. according to the method described in claim 3, it is characterized in that, further including：
By the power winding short circuit (S307)；And
Enabled test (S309) is carried out to the frequency converter.
5. according to the method described in claim 3, it is characterized in that, further including：
Detection include the brushless dual-feed motor system in break down (S401)；
The power winding is disconnected (S403) from the power supply；And
Forbid to the system power supply (S405).
6. controlling the device (4) of brushless dual-feed motor, which is characterized in that described device (4) includes：
Starting module (41), for connecting start-up resistor and the control winding of brushless dual-feed motor, and to the brushless double feed
Motor electrifying startup；
Asynchronous operation module (43), for disconnecting the start-up resistor after passing through start-up resistor described in bypass circuit short circuit so that
The brushless dual-feed motor reaches asynchronous mode, wherein actual speed n of the brushless dual-feed motor in the asynchronous modeact
Less than predetermined synchronous rotational speed nsyn；And
Module (45) is run simultaneously, for disconnecting the power cell of frequency converter and control winding electricity after the bypass circuit
Connection makes the power cell to control winding output and slippage rotating speed nsetThe negative sense rotating speed of negative sense, until described brushless
The actual speed n of double feedback electric engineactReach the predetermined synchronous rotational speed nsyn, wherein nset=nact-nsyn。
7. device (4) according to claim 6, which is characterized in that further include：
Software function packet module (47), for controlling the system including the brushless dual-feed motor, the software function
Packet module (47) includes：
User interface management function module (471) is used for the interface management of the frequency converter；
Logic control and monitoring function module (473), the shape of operation logic and the monitoring system for controlling the system
State；And
Protection and control function module (475), for protecting the system.
8. device (4) according to claim 7 it is characterized in that the logic control and monitoring function module (473) into one
Step includes：
Sequential control function module (4731), adoption status machine control the operation logic；
Speed controlling function module (4733), the rotating speed for controlling the brushless dual-feed motor；
Power factor controlling function module (4735), the power factor for controlling the brushless dual-feed motor；And
Current control function module (4737), the electric current in circuit for controlling the system.
9. controlling the system (6) of brushless dual-feed motor, which is characterized in that including：
Frequency converter (1)；
Brushless dual-feed motor (3)；And
The device (4) of the control brushless dual-feed motor according to any one of claim 6 to 8.
10. storage medium, which is characterized in that the storage medium includes the program of storage, wherein run time control in described program
System includes that the equipment perform claim of the storage medium requires the method described in any one of 1 to 5.
11. processor, which is characterized in that the processor is for running program, wherein perform claim is wanted when described program is run
Seek the method described in any one of 1 to 5.
12. terminal (8), which is characterized in that including：One or more processors (81), memory (83), display device (85),
And one or more programs (831), wherein one or more of programs (831) are stored in the memory (83),
And it is configured as being executed by one or more of processors (81), one or more of programs (831) are used for right of execution
Profit requires the method described in any one of 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810083742.3A CN108322107A (en) | 2018-01-29 | 2018-01-29 | Control method, apparatus, system, storage medium and the terminal of brushless dual-feed motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083742.3A CN108322107A (en) | 2018-01-29 | 2018-01-29 | Control method, apparatus, system, storage medium and the terminal of brushless dual-feed motor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267174A (en) * | 2008-01-17 | 2008-09-17 | 中国矿业大学 | Start method and device for brushless dual-feedback electromotor |
| CN102340270A (en) * | 2011-08-16 | 2012-02-01 | 沈阳工业大学 | Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor |
| CN106685271A (en) * | 2016-08-05 | 2017-05-17 | 湖南利能科技股份有限公司 | Running state control method of brushless double-fed motor |
-
2018
- 2018-01-29 CN CN201810083742.3A patent/CN108322107A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267174A (en) * | 2008-01-17 | 2008-09-17 | 中国矿业大学 | Start method and device for brushless dual-feedback electromotor |
| CN102340270A (en) * | 2011-08-16 | 2012-02-01 | 沈阳工业大学 | Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor |
| CN106685271A (en) * | 2016-08-05 | 2017-05-17 | 湖南利能科技股份有限公司 | Running state control method of brushless double-fed motor |
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