CN107819422A - A kind of controller architecture of high-power switchgear reluctance motor - Google Patents
A kind of controller architecture of high-power switchgear reluctance motor Download PDFInfo
- Publication number
- CN107819422A CN107819422A CN201711276481.9A CN201711276481A CN107819422A CN 107819422 A CN107819422 A CN 107819422A CN 201711276481 A CN201711276481 A CN 201711276481A CN 107819422 A CN107819422 A CN 107819422A
- Authority
- CN
- China
- Prior art keywords
- power
- mounting board
- bridge arm
- controller
- device mounting
- 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.)
- Pending
Links
Classifications
-
- 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
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
- H02P25/092—Converters specially adapted for controlling reluctance motors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Rectifiers (AREA)
Abstract
This application discloses a kind of controller architecture of high-power switchgear reluctance motor, including device mounting board, in addition to：It is arranged on the rectifier bridge (1) of the top half of the device mounting board；Wherein, the top half is the region more than midpoint of the device mounting board；It is arranged on the device mounting board on the downside of the rectifier bridge (1), the power device (2) of controller number of phases；Wherein, all power devices (2) are according to transversely arranged.By the way that the rectifier bridge in controller is arranged on into top half, power device is arranged on the latter half, effectively avoids influence of the heat for power device of rectifier bridge, heat is effectively excluded, and improves heat dispersion.And rectifier bridge and power device, which are concentrated to be placed in facilitate in line set on device mounting board, to be installed, beneficial to later maintenance.
Description
Technical field
The application is related to switched reluctance motor control technology field, more particularly to a kind of high-power switchgear reluctance motor
Controller architecture.
Background technology
With the continuous development of electronic technology, new electromechanical energy conversion device continuously emerges in electromechanics trade.Wherein, switch
Reluctance motor is due to excellent performance and simple in construction is constantly recognized in the market." switched reluctance machines (Switched
Reluctance motor) " come from American scholar S.A.Nasarl969 and write paper, it describes two of this motor
Essential characteristic：Switch property --- motor must operate at a kind of continuous switching mode；Magnetoresistive --- it is real magnetic resistance
Motor, stator and rotor have VR magnetic circuit, more precisely, being a kind of double salient-pole electric machine." variable magnetic can also be called
Resistance motor (variable reluctance motor) ", " brushless reluctance motor (Brushless reluctance motor) "
And " electronically switched reluctance motor (Electronically commutated reluctance motor) ".
Specifically, switched reluctance machines form Switched Reluctance Motor when in use carries out energy converting between mechanical.
Wherein, switched reluctance drive includes switched reluctance machines and controller.Controller is mainly to switching magnetic-resistance electricity
Machine provides the energy needed for operating, and can also realize the control to switched reluctance machines according to default control method.
But because technology is immature, cause the controller of in general switched reluctance machines bulky, it is complicated,
Cabling is mixed and disorderly, causes occur the incompatible situation of electromagnetism when in use, and it is possible to high current occurs and drive signal is carried out
Interference, installation and when safeguarding it is also very unfavorable.
Therefore, how the internal structure of the controller of switched reluctance machines to be optimized, is those skilled in the art institute
The Important Problems of concern.
The content of the invention
The purpose of the application is to provide a kind of controller architecture of high-power switchgear reluctance motor, by by controller
Rectifier bridge is arranged on top half, and power device is arranged on the latter half, effectively avoids the heat of rectifier bridge for power device
Influence, heat is effectively excluded, improve heat dispersion.And rectifier bridge and power device, which are concentrated, is placed in device installation
Facilitate on plate in line set and install, beneficial to later maintenance.
In order to solve the above technical problems, the application provides a kind of controller architecture of high-power switchgear reluctance motor, including
Device mounting board, in addition to：
It is arranged on the rectifier bridge of the top half of the device mounting board；Wherein, the top half is pacified for the device
The region more than midpoint of loading board；
It is arranged on the device mounting board on the downside of the rectifier bridge, the power device of controller number of phases；Its
In, all power devices are according to transversely arranged.
Optionally, each power device includes upper bridge arm IGBT groups and lower bridge arm IGBT groups；Wherein, each upper bridge
Arm IGBT groups or each lower bridge arm IGBT groups include two and the above IGBT elements parallel with one another；The upper bridge arm IGBT
The upper bridge arm of the IGBT elements of group is connected into circuit, and the lower bridge arm of the IGBT elements of the lower bridge arm IGBT groups is connected into the circuit.
Optionally, in addition to：
With the direct current positive and negative busbar of device mounting board parallel mode installation.
Optionally, in addition to：
It is connected to the D.C. contactor of the direct current positive and negative busbar upper end.
Optionally, in addition to：
Thin-film capacitor on the downside of the lower bridge arm IGBT groups is connected to by stack bus bar.
Optionally, in addition to：
The driving plate being arranged on directly over the power device.
Optionally, in addition to：
It is arranged on the incoming line and line outlet of the device mounting board bottom.
A kind of controller architecture of high-power switchgear reluctance motor provided herein, including device mounting board, are also wrapped
Include：It is arranged on the rectifier bridge of the top half of the device mounting board；Wherein, the top half is the device mounting board
Region more than midpoint；It is arranged on the device mounting board on the downside of the rectifier bridge, the work(of controller number of phases
Rate device；Wherein, all power devices are according to transversely arranged.
By the way that the rectifier bridge in controller is arranged on into top half, power device is arranged on the latter half, effectively avoided
Influence of the heat of rectifier bridge for power device, allows heat effectively to exclude, and improves heat dispersion.And rectifier bridge and
Power device is concentrated to be placed in facilitate in line set on device mounting board and installed, beneficial to later maintenance.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of application, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
The structural representation for the general switched reluctance motor speed governing system that Fig. 1 is provided by the embodiment of the present application；
A kind of main body signal of the controller architecture for high-power switchgear reluctance motor that Fig. 2 is provided by the embodiment of the present application
Figure；
A kind of overall signal of the controller architecture for high-power switchgear reluctance motor that Fig. 3 is provided by the embodiment of the present application
Figure.
In Fig. 2 and Fig. 3：
1 it is rectifier bridge, 2 be power device, 21 be upper bridge arm IGBT groups, 22 be lower bridge arm IGBT groups, 3 is the positive and negative mother of direct current
Line, 4 be D.C. contactor, 5 be thin-film capacitor, 6 be stack bus bar, 7 be driving plate.
Embodiment
The core of the application is to provide a kind of controller architecture of high-power switchgear reluctance motor, by by controller
Rectifier bridge is arranged on top half, and power device is arranged on the latter half, effectively avoids the heat of rectifier bridge for power device
Influence, heat is effectively excluded, improve heat dispersion.And rectifier bridge and power device, which are concentrated, is placed in device installation
Facilitate on plate in line set and install, beneficial to later maintenance.
To make the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belong to the scope of the application protection.
The electric machine controller to be introduced in the embodiment of the present application is mainly used in switched reluctance motor (SRM), leads to
Switched reluctance machines and electric machine controller are often referred to as switched reluctance motor speed governing system (SRD) in the lump.Electric machine controller
With the function such as power conversion and control running status, therefore electric machine controller is called motor power controller again, general
Data in switched reluctance motor speed governing system remove switched reluctance machines also to include power inverter, controller (weak
Electricity), the control element such as detector, be all included in electric machine controller, should note in the present embodiment.
It refer to Fig. 1, the structure for the general switched reluctance motor speed governing system that Fig. 1 is provided by the embodiment of the present application
Schematic diagram.
Wherein, SRM is the executive component of SRD systems, and the mutual conversion of electromechanical energy with regard to carrying out here.Typically using convex
Pole stator and field spider, i.e. double-salient-pole structure.
Wherein, the provider of required energy when power inverter is SRM operations, is to connect power supply and the switch of machine winding
Part, it is that the energy that power supply provides is supplied into SRM after appropriate conversion that it, which is acted on, by being obtained after battery or AC rectification
Powered by direct current.Therefore, it includes the dc source and switch element that battery or rectifier are formed.Power inverter
Circuit has a diversified forms, and the number of phases with switched reluctance motor, winding configuration (simplex winding or double winding) are relevant.Understand,
Power inverter assume responsibility for a large amount of energy conversion work, be the energy provider of SRM operations, be the core of electric machine controller
Part, there is the big voltage of high current in its circuit loop, have amount of heat generation, and need by diameter more unskilled workman's rate of doing work more
High circuit is connected with other elements.
Wherein, vulnerabilities scan device is the brain of SRD systems.The electricity that its integrated location detector, current detector are provided
The order of the feedback informations such as machine rotor position, speed and electric current and outside input, by analyzing and processing, control strategy is determined, to
Power inverter, which is sent, performs order, control SRM operations.Controller is by structures such as microcomputer or Digital Logical Circuits and interface circuits
Into.Need to be connected with power inverter and be controlled, wherein due to being weakness mechanism, it is therefore desirable to prevent corresponding electromagnetism
Interference.
Wherein, position detector is the supplier of the signals such as rotor-position and speed, and its effect is to be carried in time to controller
The signal of signal and rotor operation speed for the actual relative position of stator and rotor tooth interpolar.
It refer to Fig. 2, a kind of controller architecture for high-power switchgear reluctance motor that Fig. 2 is provided by the embodiment of the present application
Main body schematic diagram.
The embodiment of the present application provides a kind of controller architecture of low power switch reluctance motor, can improve controller radiating
Ability, optimal controller internal structure, device mounting board can be included.
It can also include：
It is arranged on the rectifier bridge 1 of the top half of the device mounting board；Wherein, the top half is pacified for the device
The region more than midpoint of loading board；
It is arranged on the device mounting board positioned at the downside of rectifier bridge 1, the power device 2 of controller number of phases；
Wherein, all power devices 2 are according to transversely arranged.
Wherein, the power device 2 and rectifier bridge 1 that this implementation is introduced all are the part in power inverter, be assume responsibility for main
Power conversion effect, be core component therefore be first this section components design corresponding to position.
Because part installation is mainly undertaken in controller is device mounting board, and positioned at top half in controller
It is the thermovent of controller, therefore the larger rectifier bridge 1 of caloric value is arranged on to the top half of device mounting board, and by power
The downside that device 2 is arranged on rectifier bridge 1 can conveniently enter row conductor connection between rectifier 2, make conductor length long, keep away
Exempt to cause controller internal structure complicated.
Further, due between power device 2 and rectifier bridge 1 be connected number of conductors more install it is intensive, therefore can will
The two devices, which are installed concentratedly, can reduce conductor length, can facilitate installation process in installing device.
Also, because most of wires extend longitudinally, therefore all power devices can be connected conveniently according to transversely arranged
Component in power device, avoid controller architecture more complicated.
Optionally, each power device 2 includes upper bridge arm IGBT groups and lower bridge arm IGBT groups in the controller；Wherein,
Each upper bridge arm IGBT groups or each lower bridge arm IGBT groups include two and the above IGBT elements parallel with one another；Institute
The upper bridge arm for stating the IGBT elements of bridge arm IGBT groups is connected into circuit, and the lower bridge arm of the IGBT elements of the lower bridge arm IGBT groups connects
Enter the circuit.
By the present embodiment applied for high-power switchgear reluctance motor, limited by IGBT self-capacities, this implementation
Each IGBT groups in example are composed in parallel by two or more IGBT groups.
It should be noted that upper bridge arm IGBT groups and lower bridge arm IGBT groups are upper and lower longitudinal arrangements, can conveniently input
Wire and the wire of output installed, and input and output port is apart from each other, is made a distinction when maintaining easily.
Optionally, each rectifier bridge 1 in the present embodiment is composed in parallel by two or more Half bridge rectifier bridges,
To meet the power requirement of high-power switchgear reluctance motor.
It refer to Fig. 3, a kind of controller architecture for high-power switchgear reluctance motor that Fig. 3 is provided by the embodiment of the present application
Overall schematic.
Based on above-described embodiment, the direct current positive and negative busbar 3 with device mounting board parallel mode installation can also be included.
Wherein, direct current positive and negative busbar 3 is to carry out rectification in electric current, and each component is carried out by way of copper bar bus line
Installation connection.Bus refers to the copper (copper bar) with high conductivity, made of aluminum material, to transmit electric energy, has and collects and divide
Product with power capability.It is general to be commonly used for power station or the usable total wire of transformer station's conveying electricity.Bus is using copper bar or, its electricity
Current density is big, and resistance is small, and kelvin effect is small, holds without drop and uses.Voltage drop is small to also imply that energy loss is small, can reduce
The cost of electric energy.
In the present embodiment, direct current positive and negative busbar 3 can be close to the device mounting board parallel mode and be laid out installation
Electromagnetic interference can be reduced within the specific limits, improve the Electro Magnetic Compatibility of complete machine.
Based on above-described embodiment, the D.C. contactor 4 for being connected to the upper end of direct current positive and negative busbar 3 can also be included.
Wherein, D.C. contactor 4 can be exchanged with fast shut-off with direct current major loop, can also be frequently switched on and high current
Control (800A) circuit, therefore often apply to motor as control object, it is also possible to make control shop equipment, electric heater,
The electrical load such as machine-tool and various kinds electric power unit.Contactor can not only be switched on and off circuit, but also have low-voltage
Release guard acts on.
In the present embodiment, the upper end that D.C. contactor 4 is connected on to direct current positive and negative busbar 3 can conveniently be installed, can also side
Just the problem of safeguarding safety standard aspect.
Based on above-described embodiment, can also include being connected to the downside of lower bridge arm IGBT groups 22 by stack bus bar 6
Thin-film capacitor 5.
Wherein, stack bus bar 6 be also known as composite bus bar, laminated bus bar, laminating bus bar, composite copper bar, English
Laminated Busbar, it is a kind of multi-layer compound structure connection row, that plays functions as the highway of distribution system.
Compared with traditional, bulky, time-consuming and troublesome wiring method, using composite bus row can provide modern times, be easy to set
Count, quick and clear in structure distribution system is installed.With repeatable electric property, Low ESR, anti-interference, good reliability, section
The features such as save space, succinct quick assembling.
Wherein, thin-film capacitor 5 is to work as electrode with metal foil, by itself and poly- ethyl ester, polypropylene, and polystyrene or makrolon
Deng plastic sheeting, after overlapping from both ends, the capacitor of the construction of cylindrical shape is wound into.
In the present embodiment, thin-film capacitor 5 can be installed easily and fast by stack bus bar 6.And advantageously reduce
Flow back inductance, it is possible to reduce the spike and burr of waveform.
Based on above-described embodiment, can also include being arranged on the driving plate 7 directly over the power device 2.
Wherein, driving plate 7 is to control the unit of each component.In the present embodiment, driving plate 7 can be arranged on
IGBT groups are that the surface of power device 2 advantageously reduces the length of drives line, avoid drives line from being passed through between copper bar, can reduce
Interference of the copper bar high current to drives line.
Based on above-described embodiment, the incoming line and line outlet for being arranged on the device mounting board bottom can also be included.
Wherein, the cabling mode of controller input line and output line is determined for controller incoming line and line outlet.This
In embodiment, incoming line and line outlet are all disposed within the downside of device mounting board, the mode for making controller go out under employing down
Wiring is carried out, field conduct cable can be facilitated to connect.
The embodiment of the present application provides a kind of controller architecture of high-power switchgear reluctance motor, can be by by controller
In rectifier bridge be arranged on top half, power device is arranged on the latter half, effectively avoids the heat of rectifier bridge for work(
The influence of rate device, allows heat effectively to exclude, and improves heat dispersion.And rectifier bridge and power device, which are concentrated, is placed in device
Facilitate on installing plate in line set and install, beneficial to later maintenance.
Each embodiment is described by the way of progressive in specification, and what each embodiment stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think to exceed scope of the present application.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
A kind of controller architecture of high-power switchgear reluctance motor provided herein is described in detail above.
Specific case used herein is set forth to the principle and embodiment of the application, and the explanation of above example is simply used
Understand the present processes and its core concept in help.It should be pointed out that for those skilled in the art,
On the premise of the application principle is not departed from, some improvement and modification can also be carried out to the application, these are improved and modification
Fall into the application scope of the claims.
Claims (7)
1. a kind of controller architecture of high-power switchgear reluctance motor, including device mounting board, it is characterised in that also include：
It is arranged on the rectifier bridge (1) of the top half of the device mounting board；Wherein, the top half is installed for the device
The region more than midpoint of plate；
It is arranged on the device mounting board on the downside of the rectifier bridge (1), the power device (2) of controller number of phases；
Wherein, all power devices (2) are according to transversely arranged.
2. controller architecture according to claim 1, it is characterised in that each power device (2) includes upper bridge arm
IGBT groups (21) and lower bridge arm IGBT groups (22)；Wherein, each upper bridge arm IGBT groups (22) or each lower bridge arm
IGBT groups (22) include two and the above IGBT elements parallel with one another；The IGBT elements of the upper bridge arm IGBT groups (22) it is upper
Bridge arm is connected into circuit, and the lower bridge arm of the IGBT elements of the lower bridge arm IGBT groups (22) is connected into the circuit.
3. controller architecture according to claim 2, it is characterised in that also include：
With the direct current positive and negative busbar (3) of device mounting board parallel mode installation.
4. controller architecture according to claim 3, it is characterised in that also include：
It is connected to the D.C. contactor (4) of direct current positive and negative busbar (3) upper end.
5. controller architecture according to claim 4, it is characterised in that also include：
Thin-film capacitor (5) on the downside of the lower bridge arm IGBT groups (22) is connected to by stack bus bar (6).
6. controller architecture according to claim 5, it is characterised in that also include：
The driving plate (7) being arranged on directly over the power device (2).
7. controller architecture according to claim 6, it is characterised in that also include：
It is arranged on the incoming line and line outlet of the device mounting board bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276481.9A CN107819422A (en) | 2017-12-06 | 2017-12-06 | A kind of controller architecture of high-power switchgear reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276481.9A CN107819422A (en) | 2017-12-06 | 2017-12-06 | A kind of controller architecture of high-power switchgear reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107819422A true CN107819422A (en) | 2018-03-20 |
Family
ID=61606372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276481.9A Pending CN107819422A (en) | 2017-12-06 | 2017-12-06 | A kind of controller architecture of high-power switchgear reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107819422A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887671U (en) * | 2010-12-09 | 2011-06-29 | 三垦力达电气(江阴)有限公司 | Power unit for frequency converter |
| EP2538542A1 (en) * | 2011-06-20 | 2012-12-26 | Shenzhen Invt Electric Co., Ltd. | Frequency converter in which main devices are modularly mounted |
| CN203788167U (en) * | 2014-04-24 | 2014-08-20 | 湘潭电机股份有限公司 | Rectifying device |
| CN204442215U (en) * | 2015-03-26 | 2015-07-01 | 胜利油田华滨福利机电有限责任公司 | A kind of control cubicle of remote controlled switched reluctance motor |
| CN205304621U (en) * | 2015-12-23 | 2016-06-08 | 武汉大禹电气有限公司 | Parallelly connected converter power unit of multitube IGBT |
| CN207732679U (en) * | 2017-12-06 | 2018-08-14 | 深圳市风发科技发展有限公司 | A kind of controller architecture of high-power switchgear reluctance motor |
-
2017
- 2017-12-06 CN CN201711276481.9A patent/CN107819422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887671U (en) * | 2010-12-09 | 2011-06-29 | 三垦力达电气(江阴)有限公司 | Power unit for frequency converter |
| EP2538542A1 (en) * | 2011-06-20 | 2012-12-26 | Shenzhen Invt Electric Co., Ltd. | Frequency converter in which main devices are modularly mounted |
| CN203788167U (en) * | 2014-04-24 | 2014-08-20 | 湘潭电机股份有限公司 | Rectifying device |
| CN204442215U (en) * | 2015-03-26 | 2015-07-01 | 胜利油田华滨福利机电有限责任公司 | A kind of control cubicle of remote controlled switched reluctance motor |
| CN205304621U (en) * | 2015-12-23 | 2016-06-08 | 武汉大禹电气有限公司 | Parallelly connected converter power unit of multitube IGBT |
| CN207732679U (en) * | 2017-12-06 | 2018-08-14 | 深圳市风发科技发展有限公司 | A kind of controller architecture of high-power switchgear reluctance motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106471724B (en) | The current transformer of circuit topology with redundancy | |
| CN103026606B (en) | Chopper device | |
| WO2012035933A1 (en) | Inverter device | |
| Villani et al. | Multi-phase fault tolerant drives for aircraft applications | |
| DE112015006036T5 (en) | ENGINE DRIVE CONTROL DEVICE FOR ELECTRIC POWER STEERING | |
| US20100007293A1 (en) | Programmable power-control circuit and methods of operation | |
| US9621100B2 (en) | Vehicular AC electric generator | |
| CN102570936A (en) | Rotator control device, rotator system, vehicle, electric car and electric generation system | |
| WO2015004948A1 (en) | Discharge control device | |
| CN206517316U (en) | System and electric system for dc power to be converted to three-phase alternating current electrical power | |
| CA2579870A1 (en) | Systems for managing electrical power | |
| CN108233697A (en) | Electric tool | |
| CN108370226A (en) | The control device of AC rotary motor | |
| CN207732679U (en) | A kind of controller architecture of high-power switchgear reluctance motor | |
| CN207732677U (en) | A kind of controller architecture of low power switch reluctance motor | |
| CN109768757A (en) | Multi-phase AC motor, inverter, electric drive assembly and electric device | |
| CN107819422A (en) | A kind of controller architecture of high-power switchgear reluctance motor | |
| JP2013017359A (en) | Connection wiring including bus bar, and power converter | |
| CN207732678U (en) | A kind of controller architecture of ball mill switched reluctance machines | |
| CN2882095Y (en) | Multi-phase winding permanent magnetic brushless DC motor | |
| CN110620462A (en) | Common mode current reduction hybrid drive system | |
| CN107834942A (en) | A kind of controller architecture of ball mill switched reluctance machines | |
| CN107786146A (en) | A kind of controller architecture of low power switch reluctance motor | |
| CN107834942B (en) | Controller structure of ball mill switch reluctance motor | |
| CN2870300Y (en) | Brush-less dc. motor controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |