CN108712024A - One kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module - Google Patents
One kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module Download PDFInfo
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- CN108712024A CN108712024A CN201810535207.7A CN201810535207A CN108712024A CN 108712024 A CN108712024 A CN 108712024A CN 201810535207 A CN201810535207 A CN 201810535207A CN 108712024 A CN108712024 A CN 108712024A
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- frequency converter
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- high voltage
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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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
- 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
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
Abstract
The invention discloses one kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, including permasyn morot, the frequency converter by flanged joint is equipped with above the permasyn morot, it is equipped with multiple cavities in the frequency converter is whole, the cavity includes electrical source of power wire connection cavity, input reactance device wire connection cavity, the inside cavity includes that can realize the main control unit of Vector Control of Permanent Magnet Synchronous Motors, rectifying device, capacitive energy storage module and converter module, the permasyn morot is the permasyn morot with multiphase absolute coil winding, this described all-in-one machine is radiated using water-filled radiator, the radiator water cold plate uses New insulated Heat Conduction Material.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
It is especially a kind of based on the concatenated high voltage permanent variable-frequency motor of low-voltage module one the present invention relates to Electric Traction field
Body machine.
Background technology
Currently, high-voltage frequency converter generally uses cascade multi-level technology, include mainly starting cabinet, phase shift transformation in structure
The parts such as device, power unit cabinet and controller.Although using the high-voltage frequency converter of the structure there are some superiority in performance,
It is limited to that volume is big, degree of protection is low, the high-voltage frequency converter of the type does not meet coal peace requirement of explosion proof, can not be applied to coal mine
Lower operation.So far, the high-voltage frequency converter matured product that underground coal mine uses is only 3300V voltage class, traditional unit
Series system cannot achieve the Frequency converting driving application of 6kV or 10kV voltage levels.
The three-level topology structure that existing inversion part generally uses traditional two level or structure slightly complicated, though
Right two level and three level major loop topological structures are simple, but the power component pressure resistance used to inversion unit is more demanding,
The pressure resistance of IGBT highests is 6500V in global range at present, and compared to low pressure IGBT power module, the IGBT valences of high voltage grade
Lattice are expensive, apparent availability is insufficient, depend in import and actual application and need to put on record, inconvenience limits this
The practical application of power module, therefore can not be applied to 6kV or 10kV frequency converters using traditional two level or three-level structure.If
Topology is exported using more level, not only major loop structure complex hardware is not easy to realize, but also software programming difficulty is big, control performance
It reduces, common three-phase input motor self performance is required high.Based on the concatenated high voltage permanent variable-frequency motor one of low-voltage module
Inverter circuit forms multigroup two level using multiple low pressure IGBT inverter modules series connection partial pressure in owner circuit（Or three level）It is inverse
Become the concatenated topological structure of unit, while there is heterogeneous output, the permanent magnet synchronous motor inputted with multiphase can be connected, this side
Method can effectively reduce the du/dt on motor side winding so that frequency converter reduces the performance requirement of motor, thoroughly solves height
Voltage frequency changer drives the problem of high-voltage motor.
The driving motor of high-voltage frequency conversion and speed-adjusting all-in-one machine is generally asynchronous induction machine, and drive part also includes in addition to motor
The mechanical structures such as retarder, fluid coupling, drive system structure is complicated, and power consumption is big, occupies larger space, permanent-magnet synchronous
Motor has many advantages, such as simple in structure, small, low speed high torque, efficient.Become based on the concatenated high voltage permanent of low-voltage module
Frequency converter and permanent magnet synchronous motor are combined together by frequency motor integral machine, intrinsic in addition to that can give full play to permanent magnet synchronous motor
Outside good characteristic, due to eliminating the long cable connected between frequency converter and motor, moreover it is possible to avoid motor terminal voltage spike excessive
The occurrence of caused motor insulation ag(e)ing even punctures, meanwhile, it solves output cable and interference is generated to surrounding devices
Problem.
Invention content
The purpose of the present invention is to solve the above problems, devise a kind of based on the concatenated high voltage permanent change of low-voltage module
Frequency motor integral machine.
Realize above-mentioned purpose the technical scheme is that, one kind be based on the concatenated high voltage permanent variable-frequency motor of low-voltage module
All-in-one machine, including permasyn morot, the permasyn morot top is equipped with the frequency converter by flanged joint, described
Multiple cavities are equipped in frequency converter is whole, the cavity includes electrical source of power wire connection cavity, input reactance device wire connection cavity, the cavity
Inside includes main control unit, rectifying device, capacitive energy storage module and the inversion that can realize Vector Control of Permanent Magnet Synchronous Motors
Power cell, the permasyn morot are the permasyn morot with multiphase absolute coil winding, this described one
Machine is radiated using water-filled radiator, and the radiator water cold plate uses New insulated Heat Conduction Material.
The frequency converter rectifying part uses the equal repoussage stream of three-phase half-controlled bridge-type block coupled in series, uses diode series resistance
The unique forms for accessing a phase input power circuit provide upper electrical circuit, eliminate the input contactor used in traditional major loop
With it is silicon-controlled, simplify circuit structure, reduce production cost.
Cooled plate in the frequency converter embeds waterway channel and concatenates to form a water supply and cool back with motor internal water channel
Road, simple in structure, easy to maintain, the radiator water cold plate uses New insulated Heat Conduction Material, has thermal coefficient height, insulation
The good feature of performance, the radiator water cold plate intake-outlet are sealed with motor water channel junction using O-ring seal, are prevented
Only cooling water is excessive.
The frequency converter shell surface shows and charges instruction function with parameter, has and external signal and major loop electricity
The interface of cable connection.
The capacitive energy storage part is composed in series by multigroup capacitance group, and every group of capacitance group is composed in parallel by multiple capacitances again,
Every group of capacitance group both ends are also parallel with equalizing resistance.
The inversion circuit is multigroup two level or the concatenated topological structure of tri-level inversion unit, every group of inversion
Unit connects partial pressure formation per phase bridge arm by using multiple low pressure IGBT inverter modules, and it is only that each group inversion unit all has three-phase
Every road output of vertical output, frequency converter is correspondingly connected to have the power supply of the permasyn morot of multichannel absolute coil winding defeated
Enter end.
Each output end of the frequency converter is mounted on independent Hall element and is sampled to real-time current, realizes driving
Control and circuit protection function, can make controller more accurate to the drive control of inverter module, and pass through using the structure
The judgement of the degree of balance carrys out effective protection all-in-one machine between each phase current, avoids the occurrence of aircraft bombing risk.
Include multichannel absolute coil winding, adjacent absolute coil winding on the multiphase input permanent magnet synchronous motor structure
Between be electrically isolated from one another, multichannel absolute coil winding collective effect generate permanent magnet synchronous motor inside rotating excitation field.
The multiphase input permasyn morot is made of multiple unit motors, and each unit motor includes that three-phase is defeated
Enter, and neutral point be independently connected, the quantity of unit motor is corresponding with the group number of inversion circuit inversion unit, with frequency conversion
When device heterogeneous output end connects, the respective branch input terminal in each unit motor is mutually exported with this in corresponding inversion unit group
End is correspondingly connected with.
Design impedance is consistent per phase winding for the multiphase input permasyn morot.
Using technical scheme of the present invention making based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, drive
Dynamic part also includes the mechanical structures such as retarder, fluid coupling in addition to motor, and drive system structure is complicated, and power consumption is big, accounts for
With larger space, permanent magnet synchronous motor has many advantages, such as simple in structure, small, low speed high torque, efficient.Based on low pressure
Frequency converter and permanent magnet synchronous motor are combined together by the high voltage permanent variable-frequency motor all-in-one machine of block coupled in series, in addition to can fully send out
It waves outside the intrinsic good characteristic of permanent magnet synchronous motor, due to eliminating the long cable connected between frequency converter and motor, moreover it is possible to keep away
Exempt from the occurrence of excessive caused motor insulation ag(e)ing of motor terminal voltage spike even punctures, meanwhile, solve output cable
Interference is led to the problem of to surrounding devices.
Description of the drawings
Fig. 1 is to be based on the concatenated high voltage permanent variable-frequency motor all-in-one machine outside drawing of low-voltage module；
Fig. 2 is to be based on the concatenated high voltage permanent variable-frequency motor all-in-one machine structure figure of low-voltage module；
Fig. 3 is to be based on the concatenated high voltage permanent variable-frequency motor all-in-one machine inverter section structure chart of low-voltage module；
Fig. 4 is to be based on the concatenated high voltage permanent variable-frequency motor all-in-one machine inverter section sectional view of low-voltage module；
Fig. 5 is main circuit of frequency converter topological structure schematic diagram；
In figure, 1, permasyn morot；2, frequency converter；3, electrical source of power wire connection cavity；4, cavity；5, main control unit；6, rectification
Device；7, capacitive energy storage module；8, converter module；9, radiator water cold plate；10, Hall element.
Specific implementation mode
The present invention is specifically described below in conjunction with the accompanying drawings, as shown in Figs. 1-5, one kind being based on the concatenated height of low-voltage module
Permanent magnet frequency conversion motor all-in-one machine, including permasyn morot 1 are pressed, 1 top of the permasyn morot, which is equipped with, passes through flange
The frequency converter 2 of connection, the frequency converter 2 is whole interior equipped with multiple cavities 4, and the cavity 4 includes electrical source of power wire connection cavity 3, defeated
Enter reactor wire connection cavity, includes the main control unit 5 that can realize 1 vector controlled of permasyn morot inside the cavity 4, whole
Flow device 6, capacitive energy storage module 7 and converter module 8, the permasyn morot 1 be with multiphase absolute coil around
The permasyn morot 1 of group, this described all-in-one machine are radiated using water-filled radiator, and the radiator water cold plate 9 uses
New insulated Heat Conduction Material；2 rectifying part of the frequency converter uses the equal repoussage stream of three-phase half-controlled bridge-type block coupled in series, uses two poles
The unique forms that pipe series resistance accesses a phase input power circuit provide upper electrical circuit, eliminate and are used in traditional major loop
Contactor and silicon-controlled is inputted, circuit structure is simplified, reduces production cost；Cooled plate 9 in the frequency converter 2 embeds water
Paths concatenate to form a water supply cooling circuit with motor internal water channel, simple in structure, easy to maintain, the radiator water cooling
Plate 9 uses New insulated Heat Conduction Material, has the characteristics that thermal coefficient height, good insulation preformance, the radiator water cold plate 9 pass in and out
The mouth of a river is sealed with motor water channel junction using O-ring seal, prevents cooling water excessive；2 surface of shell of the frequency converter
Instruction function is shown and charged with parameter, and there is the interface being connect with external signal and main loop cabling；The capacitive energy storage
Part is composed in series by multigroup capacitance group, and every group of capacitance group is composed in parallel by multiple capacitances again, and every group of capacitance group both ends are also in parallel
There is equalizing resistance；2 inverter circuit of the frequency converter be multigroup two level or the concatenated topological structure of tri-level inversion unit, every group
Inversion unit connects partial pressure formation per phase bridge arm by using multiple low pressure IGBT inverter modules, and each group inversion unit all has three
Every road output of mutually independent output, frequency converter 2 is correspondingly connected to the permasyn morot 1 with multichannel absolute coil winding
Power input；Each output end of the frequency converter 2 is mounted on independent Hall element 10 and is sampled to real-time current, real
Existing drive control and circuit protection function, can make controller more accurate to the drive control of inverter module using the structure,
And aircraft bombing risk is avoided the occurrence of come effective protection all-in-one machine by the judgement of the degree of balance between each phase current；The multiphase input
Include multichannel absolute coil winding in 1 structure of permasyn morot, is electrically isolated from one another between adjacent absolute coil winding, it is more
Road absolute coil winding collective effect generates the rotating excitation field inside permanent magnet synchronous motor；The multiphase inputs synchronous permanent-magnet motor
Machine 1 is made of multiple unit motors, and each unit motor includes three-phase input, and neutral point is independently connected, unit motor
Quantity is corresponding with the group number of 2 inverter circuit inversion unit of frequency converter, when being connect with 2 heterogeneous output end of frequency converter, each unit
Respective branch input terminal in motor is correspondingly connected with the phase output terminal in corresponding inversion unit group；The multiphase input
Design impedance is consistent per phase winding for permasyn morot 1.
The characteristics of the present embodiment is that the frequency converter by flanged joint, frequency converter are equipped with above permasyn morot
Multiple cavities are equipped in whole, cavity includes electrical source of power wire connection cavity, input reactance device wire connection cavity, and inside cavity includes can be real
Now the main control unit, rectifying device of Vector Control of Permanent Magnet Synchronous Motors, capacitive energy storage module and converter module, permanent magnetism are same
Step motor is the permasyn morot with multiphase absolute coil winding, this all-in-one machine is dissipated using water-filled radiator
Heat, it also includes retarder, fluid coupling etc. in addition to motor that radiator water cold plate, which uses New insulated Heat Conduction Material, drive part,
Mechanical structure, drive system structure is complicated, and power consumption is big, occupies larger space, and permanent magnet synchronous motor has simple in structure, body
The small, low speed high torque of product, it is efficient the advantages that.Based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module by frequency converter
It is combined together with permanent magnet synchronous motor, other than it can give full play to the intrinsic good characteristic of permanent magnet synchronous motor, due to saving
The long cable that is connected between frequency converter and motor, moreover it is possible to which motor insulation ag(e)ing caused by avoiding motor terminal voltage spike excessive is very
To breakdown the occurrence of, meanwhile, solve the problems, such as output cable to surrounding devices generate interference.
In the present embodiment, be based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module use frequency converter and
Permanent magnet synchronous motor combined type mounting means, the top that frequency converter is installed on to motor form all-in-one machine, frequency converter water-cooling
Device concatenates to form a cooling circuit with motor water route, and wherein cooled plate uses New insulated Heat Conduction Material, interface to use O-shaped
Sealing ring does encapsulation process.Frequency converter rectifying part uses the equal repoussage stream of three-phase half-controlled bridge-type block coupled in series, uses diode string
The unique forms of resistance replace input contactor and the multiple capacitance group series average-voltages of controllable functional silicon, voltage-source type capacitive energy storage,
Converting Unit be multiple low pressure IGBT modules be composed in series inversion unit, series connection forms the master with heterogeneous output between unit
Loop topology structure is equipped with independent Hall element per phase output terminal in frequency converter and is sampled to electric current, realizes drive control
And circuit protection function.Frequency converter heterogeneous output is connected directly to the synchronous permanent-magnet motor with multichannel absolute coil winding
Machine, motor internal independence winding are electrically isolated from one another, consistent per road winding impedance.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of which part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. one kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, including permasyn morot（1）, special
Sign is, the permasyn morot（1）Top is equipped with the frequency converter by flanged joint（2）, the frequency converter（2）It is whole
It is interior to be equipped with multiple cavities（4）, the cavity（4）Including electrical source of power wire connection cavity（3）, input reactance device wire connection cavity, the cavity
（4）Inside includes that can realize permasyn morot（1）The main control unit of vector controlled（5）, rectifying device（6）, capacitance storage
It can module（7）And converter module（8）, the permasyn morot（1）For the permanent magnetism with multiphase absolute coil winding
Synchronous motor（1）, this described all-in-one machine radiated using water-filled radiator, the radiator water cold plate（9）Using novel
Insulating heat-conduction material.
2. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the frequency converter（2）Rectifying part uses the equal repoussage stream of three-phase half-controlled bridge-type block coupled in series, uses diode series resistance
The unique forms for accessing a phase input power circuit provide upper electrical circuit, eliminate the input contactor used in traditional major loop
With it is silicon-controlled, simplify circuit structure, reduce production cost.
3. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the frequency converter（2）Interior cooled plate（9）Embedded waterway channel concatenates to form one for water cooling with motor internal water channel
Circuit, simple in structure, easy to maintain, the radiator water cold plate（9）Using New insulated Heat Conduction Material, there is thermal coefficient
The characteristics of height, good insulation preformance, the radiator water cold plate（9）Intake-outlet uses O-ring seal with motor water channel junction
It is sealed, prevents cooling water excessive.
4. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the frequency converter（2）Surface of shell shows and charges instruction function with parameter, has and external signal and major loop electricity
The interface of cable connection.
5. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the capacitive energy storage part is composed in series by multigroup capacitance group, and every group of capacitance group is composed in parallel by multiple capacitances again, every group
Capacitance group both ends are also parallel with equalizing resistance.
6. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the frequency converter（2）Inverter circuit is multigroup two level or the concatenated topological structure of tri-level inversion unit, every group of inversion
Unit connects partial pressure formation per phase bridge arm by using multiple low pressure IGBT inverter modules, and it is only that each group inversion unit all has three-phase
Vertical output, frequency converter（2）The output of every road be correspondingly connected to the permasyn morot with multichannel absolute coil winding（1）'s
Power input.
7. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the frequency converter（2）Each output end be mounted on independent Hall element（10）Real-time current is sampled, is realized
Drive control and circuit protection function can make controller more accurate to the drive control of inverter module using the structure, and
By the judgement of the degree of balance between each phase current come effective protection all-in-one machine, aircraft bombing risk is avoided the occurrence of.
8. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the multiphase inputs permasyn morot（1）Include multichannel absolute coil winding, adjacent absolute coil winding in structure
Between be electrically isolated from one another, multichannel absolute coil winding collective effect generate permanent magnet synchronous motor inside rotating excitation field.
9. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the multiphase inputs permasyn morot（1）It is made of multiple unit motors, each unit motor includes that three-phase is defeated
Enter, and neutral point is independently connected, the quantity and frequency converter of unit motor（2）The group number of inverter circuit inversion unit corresponds to, with
Frequency converter（2）When heterogeneous output end connects, respective branch input terminal in each unit motor in corresponding inversion unit group
The phase output terminal is correspondingly connected with.
10. according to claim 1 a kind of based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module, feature
It is, the multiphase inputs permasyn morot（1）Per phase winding, design impedance is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535207.7A CN108712024A (en) | 2018-05-30 | 2018-05-30 | One kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810535207.7A CN108712024A (en) | 2018-05-30 | 2018-05-30 | One kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module |
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| Publication Number | Publication Date |
|---|---|
| CN108712024A true CN108712024A (en) | 2018-10-26 |
Family
ID=63870972
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|---|---|---|---|
| CN201810535207.7A Withdrawn CN108712024A (en) | 2018-05-30 | 2018-05-30 | One kind being based on the concatenated high voltage permanent variable-frequency motor all-in-one machine of low-voltage module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107490A (en) * | 2019-05-30 | 2019-08-09 | 宝鸡石油机械有限责任公司 | Integral type frequency conversion pressure break pumps apparatus control system and control method |
| CN111682783A (en) * | 2020-06-01 | 2020-09-18 | 新风光电子科技股份有限公司 | High-voltage frequency conversion all-in-one machine adopting trapezoidal modulation waves and control method thereof |
| CN112242781A (en) * | 2020-09-22 | 2021-01-19 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
| CN112332743A (en) * | 2020-11-16 | 2021-02-05 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
| CN112383196A (en) * | 2020-12-03 | 2021-02-19 | 青岛中加特电气股份有限公司 | Variable frequency speed regulation all-in-one machine |
| WO2022016692A1 (en) * | 2020-07-21 | 2022-01-27 | 山东科技大学 | Variable-frequency speed regulation all-in-one machine for coal mine |
| RU2788306C1 (en) * | 2022-07-26 | 2023-01-17 | Михаил Владимирович Ефимов | Transport type inverter |
-
2018
- 2018-05-30 CN CN201810535207.7A patent/CN108712024A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107490A (en) * | 2019-05-30 | 2019-08-09 | 宝鸡石油机械有限责任公司 | Integral type frequency conversion pressure break pumps apparatus control system and control method |
| CN110107490B (en) * | 2019-05-30 | 2021-03-02 | 宝鸡石油机械有限责任公司 | Integrated frequency conversion fracturing pumping equipment control system and control method |
| CN111682783A (en) * | 2020-06-01 | 2020-09-18 | 新风光电子科技股份有限公司 | High-voltage frequency conversion all-in-one machine adopting trapezoidal modulation waves and control method thereof |
| WO2022016692A1 (en) * | 2020-07-21 | 2022-01-27 | 山东科技大学 | Variable-frequency speed regulation all-in-one machine for coal mine |
| CN112242781A (en) * | 2020-09-22 | 2021-01-19 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
| WO2022062104A1 (en) * | 2020-09-22 | 2022-03-31 | 青岛中加特电气股份有限公司 | Frequency conversion integrated machine |
| CN112332743A (en) * | 2020-11-16 | 2021-02-05 | 青岛中加特电气股份有限公司 | Frequency conversion all-in-one machine |
| CN112383196A (en) * | 2020-12-03 | 2021-02-19 | 青岛中加特电气股份有限公司 | Variable frequency speed regulation all-in-one machine |
| RU2788306C1 (en) * | 2022-07-26 | 2023-01-17 | Михаил Владимирович Ефимов | Transport type inverter |
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