CN106208420A - A kind of reception power low fluctuation electric automobile segmentation dynamic radio electric power system - Google Patents
A kind of reception power low fluctuation electric automobile segmentation dynamic radio electric power system Download PDFInfo
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- CN106208420A CN106208420A CN201610824353.2A CN201610824353A CN106208420A CN 106208420 A CN106208420 A CN 106208420A CN 201610824353 A CN201610824353 A CN 201610824353A CN 106208420 A CN106208420 A CN 106208420A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/32—Constructional details of charging stations by charging in short intervals along the itinerary, e.g. during short stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention discloses a kind of reception power low fluctuation electric automobile segmentation dynamic radio electric power system, be made up of the load of fixed frequency high frequency electric source, primary side classification controllable compensating electric capacity, the controlled primary coil of segmentation, switching control switch, secondary coil, secondary end fixed compensation capacitor and electric automobile.In the case of not changing power work frequency, only rely on transmitting coil topological transformation and compensation resonant capacitance switching ensures that receiving power is in higher level all the time, it is ensured that receive power swing when receiving coil moves to two primary coil centre positions less.Solve that the battery energy density that faces of electric automobile is low, need frequent charge and the problem such as energy-storage battery is heavy and relatively costly, electric automobile the most dynamically electric energy supplement can be realized, use the program that electric automobile can be made to carry less and even do not carry energy-storage battery.
Description
Technical field
The present invention relates to electric automobile wireless charging field, particularly a kind of reception power low fluctuation electric automobile segmentation is moved
State wireless power supply system.
Background technology
Electric automobile is able to fast development, and the dependence to fossil energy the most progressively broken away from by automobile, develops from orthodox car
To hybrid electric vehicle, finally it is transitioned into pure electric automobile.But the energy density of on-vehicle battery is difficult to and gasoline phase not yet at present
Ratio, although as the continuous progress of electricity storage technology, lithium ion battery progressively instead of lead-acid accumulator, and subproblem is able to
Improving, electric automobile remains a need for the set of cells of both bulk as power source storage device, and additionally electric automobile is relatively limited
Flying power be still restriction Development of Electric Vehicles key factor.
Wireless power transmission technology is one of the most relatively new type electric energy transmission technology, can be kept away by media such as air
The direct physical opening cable connects the effective transmission realizing energy, relies on the technology such as sensing, magnetic coupling resonance, microwave to realize
Transmission range is several centimetres to several meters, through-put power several watts to tens kilowatts, can meet completely electric automobile charge-discharge electric power and
The demand of distance, has also possessed power supply mode flexible simultaneously, and in environmental protection, contactless electric spark, charging process, prosthetic is inserted
Pull out operation, without series of advantages such as mechanism wears.
Along with the fast development of wireless power transmission technology, electric automobile is achieved wireless charging, has broken away from charging wire
The constraint of cable, reduces the danger of electric shock.In order to solve that the battery energy density that electric automobile faces is low further, need frequently
Charging and the problem such as energy-storage battery is heavy and relatively costly, related researcher proposes electric automobile dynamic radio charging side
Case, it is possible to achieve electric automobile the most dynamically electric energy supplement, uses the program that electric automobile can be made to carry less very
To not carrying energy-storage battery.But for the electric automobile dynamic radio power supply plan of short segmental structure, when secondary coil is positioned at two
During primary coil centre position, power, owing to mutual inductance parameter has greatly changed if only relying on single primary coil, it is difficult to maintain
The reception power of higher level；If short sectional coil is all energized, system loss is bigger.
Summary of the invention
Goal of the invention: for above-mentioned prior art, proposes one and receives power low fluctuation electric automobile segmentation dynamic radio
Electric power system, ensures that in the case of not changing power work frequency receiving power is in higher level all the time.
Technical scheme: a kind of reception power low fluctuation electric automobile segmentation dynamic radio electric power system, the road of described system
Face electric energy emitting portion includes the segmentation square emitter coil arranged along path, and each segmentation square emitter coil is all selected by switch
Select series connection one first and compensate electric capacity Cp1Or second compensate electric capacity Cp2After, then returned by gate-controlled switch series connection access high frequency electric source
Road, the electric energy receiving portion of system includes square receiving coil；Described first compensates electric capacitySecond compensates electric capacityω=2 π f；Wherein, f is the frequency of fixing high frequency electric source, and L is the inductance of single primary coil, M12
It it is the mutual inductance between two adjacent transmitting coils；
Move to be a cycle directly over adjacent transmission coil directly over a transmitting coil with receiving coil, along with
The change of receiving coil position, the adjacent path between two transmitting coil central points exists the first topology conversion point and
2 topology conversion points, two topology conversion points are satisfied by P1=P2, wherein P1High frequency electric source loop topology is accessed for single transmitting coil
Under system received power, P2The system received power under high frequency electric source loop topology is accessed for the series connection of double transmitting coils；
Within the one cycle, turn when described receiving coil moves to the first topology directly over previous transmitting coil
When changing, only by described previous transmitting coil series connection the first compensation electric capacity Cp1Rear access described high frequency electric source loop；When described
Receiving coil from described first topology conversion point to open up the second topology conversion point move time, use double transmitting coil topology, by two
Individual transmitting coil is connected respectively one second and is compensated electric capacity Cp2Rear series connection accesses described high frequency electric source loop；When described receiving coil
From described second topology conversion point to when moving directly over next transmitting coil, only by described next transmitting coil series connection the
One compensates electric capacity Cp1Rear access described high frequency electric source loop.
As the preferred version of the present invention, the method for handover control of transmitting coil and compensation electric capacity is, first according to list
Transmitting coil and the series connection of double transmitting coil access the system received power under high frequency electric source loop topology and are calculated topology turn
A system received power theoretical value at changing；Within the one cycle, the radio energy obtaining electric energy receiving portion in real time connects
Receive power detection value, and be sent to control side by being wirelessly transferred, when described radio energy receives power detection value and described system
When system reception Power Theory value is equal, the control signal of described control side output switch, by controlling opening of connection transmitting coil
Close break-make and carry out the switching between single transmitting coil and double transmitting coil topology, and carry out corresponding transmitting coil and described first
Compensate electric capacity Cp1Or second compensate electric capacity Cp2Switching connect.
Beneficial effect: a kind of of the present invention receives power low fluctuation electric automobile segmentation dynamic radio electric power system, not
In the case of changing power work frequency, only rely on transmitting coil topological transformation and compensate resonant capacitance switching guarantee reception merit
Rate is in higher level all the time, it is ensured that receive power swing when receiving coil moves to two primary coil centre positions less.
Solve that the battery energy density that faces of electric automobile is low, need frequent charge and energy-storage battery is heavy and relatively costly etc. asks
Topic, it is possible to achieve electric automobile the most dynamically electric energy supplement, uses the program that electric automobile can be made to carry less very
To not carrying energy-storage battery.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention receives power low fluctuation electric automobile segmentation dynamic radio electric power system；
Fig. 2 is that in native system, in the cycle, two kinds of topologys receive the power correlation curve with receiving coil change in location.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is done and further explain.
Power low fluctuation electric automobile segmentation dynamic radio electric power system is received, including fixed frequency as it is shown in figure 1, a kind of
High frequency electric source, primary side classification controllable compensating electric capacity, segmentation transmitting coil, switching control switch, receiving coil, secondary end solid
Surely electric capacity and electric automobile load composition are compensated.Segmentation transmitting coil is arranged along path, each segmentation transmitting coil and reception
Coil all designs identical, is square coil.Primary side classification controllable compensating electric capacity has the feature that classification is controlled, each transmitting
Coil all configures a primary side classification controllable compensating electric capacity, and each primary side classification controllable compensating electric capacity all includes the first compensation
Electric capacity Cp1Electric capacity C is compensated with secondp2, and switch S by switching controljSelect by first compensate electric capacity or second compensate electric capacity with
This transmitting coil is connected.Each segmentation transmitting coil and corresponding primary side classification controllable compensating electric capacity thereof as an entirety,
All switched S by switching controliControl, work as SiWhen being in 1 state, high-frequency electrical will be accessed containing the transmitting coil compensating electric capacity
Resource loop；Work as SiWhen being in 0 state, will disconnect with high frequency electric source loop containing the transmitting coil compensating electric capacity.
When system works in resonant condition when, under single primary coil topology, a most only transmitting coil series connection
When entering high frequency electric source loop, system received powerWherein ω=2 π f, f are high frequency
The frequency of power supply, UinFor high frequency electric source voltage, RinFor high frequency electric source internal resistance, each transmitting coil and receiving coil internal resistance
It is R, RLLoading for electric automobile, the mutual inductance between single transmitting coil and receiving coil is expressed as M1.Double primary lines
Under circle topology, the most adjacent two transmitting coils are connected when accessing high frequency electric source loop simultaneously, the reception merit of systemMutual inductance between two of which transmitting coil and receiving coil is respectively
It is expressed as M1And M2。
With receiving coil O directly over a transmitting coil1Move to O directly over adjacent transmission coil2It is a cycle,
Along with the change of receiving coil position x, M1And M2Change, and then cause P1And P2Change, and receiving coil by
O1Point moves to O2In point process, there are two positions and meet P1=P2, using the two point as primary side topology conversion point, point
The most named SP1And SP2。
Power is received bent with the contrast of receiving coil change in location in being illustrated in figure 2 a heretofore described cycle
Line.Finally, within this cycle, as receiving coil O directly over a transmitting coil1Set out and move to topology conversion point SP1Time,
Use single primary coil topology, only by previous transmitting coil and single primary coil topologically corresponding compensation electric capacity Cp1Access high frequency
Electric power loop；When receiving coil is from topology conversion point SP1To topology conversion point SP2Time mobile, use double primary coil topology, will
Two the most adjacent transmitting coils and double primary coil topologically corresponding compensation electric capacity Cp2Access high frequency electric source loop；Work as reception
Coil is from topology conversion point SP2O directly over next transmitting coil2Time mobile, only by next one transmitting coil and single primary line
Enclose topologically corresponding compensation electric capacity Cp1Access electric power loop.Along with electric automobile moves forward, circulation uses above-mentioned control method
Control primary coil change in topology and the access of grading compensation electric capacity.
Wherein, for compensating the compensation electric capacity of single primary coil patternWherein ω=2 π f, f are fixing height
The frequency of frequency power, L is the inductance of single transmitting coil；For compensating the compensation electric capacity of double primary coil patternWherein M12It it is the mutual inductance between two adjacent transmitting coils.Control for primary side classification controllable compensating
System is switched S by switching controljAction control, works as SjBy compensation electric capacity C corresponding for single primary coil pattern when being in 1 statep1With
Transmitting coil is connected；Work as SjBy compensation electric capacity C corresponding for single primary coil pattern when being in 0 statep2Connect with transmitting coil.
In the present embodiment, transmitting coil and compensate the method for handover control of electric capacity specifically, first according to single-shot ray
The system received power that circle and the series connection of double transmitting coil access under high frequency electric source loop topology is calculated at topology conversion point
System received power theoretical value.Within a cycle, the radio energy obtaining electric energy receiving portion in real time receives power detection
Value, and be sent to control side by being wirelessly transferred, when radio energy receives power detection value and system received power theoretical value phase
Deng time, control the control signal of side output switch to switching SiAnd Sj, carry out by controlling to connect the switch on and off of transmitting coil
Switching between single transmitting coil and double transmitting coil topology, and carry out corresponding transmitting coil and the first compensation electric capacity Cp1Or second
Compensate electric capacity Cp2Switching connect.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. one kind receives power low fluctuation electric automobile segmentation dynamic radio electric power system, it is characterised in that: the road of described system
Face electric energy emitting portion includes the segmentation square emitter coil arranged along path, and each segmentation square emitter coil is all selected by switch
Select series connection one first and compensate electric capacity Cp1Or second compensate electric capacity Cp2After, then returned by gate-controlled switch series connection access high frequency electric source
Road, the electric energy receiving portion of system includes square receiving coil；Described first compensates electric capacitySecond compensates electric capacityω=2 π f；Wherein, f is the frequency of fixing high frequency electric source, and L is the inductance of single primary coil, M12
It it is the mutual inductance between two adjacent transmitting coils；
With receiving coil (O directly over a transmitting coil1) move to (O directly over adjacent transmission coil2) it is a cycle,
Along with the change of receiving coil position, there is the first topology conversion point in the adjacent path between two transmitting coil central points
(SP1) and the second topology conversion point (SP2), two topology conversion points are satisfied by P1=P2, wherein P1Height is accessed for single transmitting coil
System received power under frequency power loop topology, P2The system under high frequency electric source loop topology is accessed for the series connection of double transmitting coils
Receive power；
Within the one cycle, as described receiving coil (O directly over previous transmitting coil1) move to the first topology turn
Change point (SP1) time, only by described previous transmitting coil series connection the first compensation electric capacity Cp1Rear access described high frequency electric source loop；When
Described receiving coil is from described first topology conversion point (SP1) to opening up the second topology conversion point (SP2) mobile time, use double transmitting
Two transmitting coils are connected one second and are compensated electric capacity C by coil topology respectivelyp2Rear series connection accesses described high frequency electric source loop；
When described receiving coil is from described second topology conversion point (SP2) (O directly over next transmitting coil2) mobile time, only by institute
State next transmitting coil series connection the first compensation electric capacity Cp1Rear access described high frequency electric source loop.
A kind of reception power low fluctuation electric automobile segmentation dynamic radio electric power system the most according to claim 1, it is special
Levy and be: the method for handover control of transmitting coil and compensation electric capacity is, first according to single transmitting coil and double transmitting coil
Series connection accesses the system received power under high frequency electric source loop topology and is calculated the system received power reason at topology conversion point
Opinion value；Within the one cycle, the radio energy obtaining electric energy receiving portion in real time receives power detection value, and by wireless
Transmission is sent to control side, when described radio energy reception power detection value is equal with described system received power theoretical value,
The control signal of described control side output switch, by control to connect the switch on and off of transmitting coil carry out single transmitting coil with
Switching between double transmitting coil topologys, and carry out corresponding transmitting coil and described first compensation electric capacity Cp1Or second compensate electric capacity
Cp2Switching connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824353.2A CN106208420B (en) | 2016-09-14 | 2016-09-14 | A kind of low fluctuation electric car of reception power is segmented dynamic radio power supply system |
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|---|---|---|---|
| CN201610824353.2A CN106208420B (en) | 2016-09-14 | 2016-09-14 | A kind of low fluctuation electric car of reception power is segmented dynamic radio power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN106208420A true CN106208420A (en) | 2016-12-07 |
| CN106208420B CN106208420B (en) | 2018-11-16 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532980A (en) * | 2016-12-13 | 2017-03-22 | 西南交通大学 | Non-contact type dynamic power supply system coil for trains in rail transit |
| CN106992610A (en) * | 2017-05-24 | 2017-07-28 | 武汉大学 | Multiterminal restructuring loop construction based on wireless power transmission |
| CN107453456A (en) * | 2017-07-14 | 2017-12-08 | 东南大学 | The segmentation transmitting coil method for handover control of relay structure positioning is imitated based on multi-coil |
| CN107512176A (en) * | 2017-03-28 | 2017-12-26 | 西南交通大学 | A kind of tramcar dynamic radio electric power system and its efficiency optimization control method |
| WO2018196385A1 (en) * | 2017-04-28 | 2018-11-01 | 中惠创智无线供电技术有限公司 | Dynamic induction wireless charging system for vehicle and charging system of vehicle |
| CN106314187B (en) * | 2016-09-14 | 2018-11-06 | 东南大学 | A kind of control method of the short segmentation dynamic radio power supply system of electric vehicle |
| CN109572458A (en) * | 2018-12-25 | 2019-04-05 | 华北电力大学（保定） | A kind of two-band electric car dynamic radio charging system and its guide rail switching method |
| CN112655058A (en) * | 2018-09-12 | 2021-04-13 | 宁波吉利汽车研究开发有限公司 | Apparatus for wireless power transmission system |
| CN113595260A (en) * | 2021-07-05 | 2021-11-02 | 哈尔滨工业大学 | Integrated guide rail distribution switching power supply topology based on series compensation |
| CN114211976A (en) * | 2021-12-17 | 2022-03-22 | 江苏大学 | Sectional type compensation coil electric vehicle dynamic wireless charging system and method |
| CN114274801A (en) * | 2020-09-27 | 2022-04-05 | 哈尔滨工业大学 | Output voltage fluctuation suppression method of three-phase dynamic wireless power supply system based on short-distance receiving coil |
| CN114312381A (en) * | 2022-01-07 | 2022-04-12 | 重庆大学 | Dynamic wireless energy signal simultaneous transmission system for electric automobile |
| CN114454739A (en) * | 2022-02-22 | 2022-05-10 | 淮阴工学院 | Dynamic wireless charging system for short segmented transmitting coil parallel type electric automobile |
| CN114211976B (en) * | 2021-12-17 | 2024-05-10 | 江苏大学 | Dynamic wireless charging system and method for segmented compensation coil electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314187B (en) * | 2016-09-14 | 2018-11-06 | 东南大学 | A kind of control method of the short segmentation dynamic radio power supply system of electric vehicle |
| CN106532980B (en) * | 2016-12-13 | 2018-11-20 | 西南交通大学 | A kind of contactless dynamic power system coil of rail transit train |
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| CN107512176A (en) * | 2017-03-28 | 2017-12-26 | 西南交通大学 | A kind of tramcar dynamic radio electric power system and its efficiency optimization control method |
| CN107512176B (en) * | 2017-03-28 | 2019-12-31 | 西南交通大学 | Tramcar dynamic wireless power supply system and efficiency optimization control method thereof |
| WO2018196385A1 (en) * | 2017-04-28 | 2018-11-01 | 中惠创智无线供电技术有限公司 | Dynamic induction wireless charging system for vehicle and charging system of vehicle |
| CN106992610A (en) * | 2017-05-24 | 2017-07-28 | 武汉大学 | Multiterminal restructuring loop construction based on wireless power transmission |
| CN107453456B (en) * | 2017-07-14 | 2020-08-18 | 东南大学 | Segmented transmitting coil switching control method based on multi-coil simulated relay structure positioning |
| CN107453456A (en) * | 2017-07-14 | 2017-12-08 | 东南大学 | The segmentation transmitting coil method for handover control of relay structure positioning is imitated based on multi-coil |
| CN112655058A (en) * | 2018-09-12 | 2021-04-13 | 宁波吉利汽车研究开发有限公司 | Apparatus for wireless power transmission system |
| CN112655058B (en) * | 2018-09-12 | 2024-03-26 | 宁波吉利汽车研究开发有限公司 | Apparatus for wireless power transmission system |
| CN109572458A (en) * | 2018-12-25 | 2019-04-05 | 华北电力大学（保定） | A kind of two-band electric car dynamic radio charging system and its guide rail switching method |
| CN114274801A (en) * | 2020-09-27 | 2022-04-05 | 哈尔滨工业大学 | Output voltage fluctuation suppression method of three-phase dynamic wireless power supply system based on short-distance receiving coil |
| CN114274801B (en) * | 2020-09-27 | 2023-10-13 | 哈尔滨工业大学 | Output voltage fluctuation suppression method for three-phase dynamic wireless power supply system |
| CN113595260A (en) * | 2021-07-05 | 2021-11-02 | 哈尔滨工业大学 | Integrated guide rail distribution switching power supply topology based on series compensation |
| CN113595260B (en) * | 2021-07-05 | 2024-03-22 | 哈尔滨工业大学 | Integrated guide rail distribution switching power supply topology circuit based on series compensation |
| CN114211976A (en) * | 2021-12-17 | 2022-03-22 | 江苏大学 | Sectional type compensation coil electric vehicle dynamic wireless charging system and method |
| CN114211976B (en) * | 2021-12-17 | 2024-05-10 | 江苏大学 | Dynamic wireless charging system and method for segmented compensation coil electric automobile |
| CN114312381A (en) * | 2022-01-07 | 2022-04-12 | 重庆大学 | Dynamic wireless energy signal simultaneous transmission system for electric automobile |
| CN114312381B (en) * | 2022-01-07 | 2024-03-29 | 重庆大学 | Dynamic wireless energy signal simultaneous transmission system of electric automobile |
| CN114454739A (en) * | 2022-02-22 | 2022-05-10 | 淮阴工学院 | Dynamic wireless charging system for short segmented transmitting coil parallel type electric automobile |
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