CN110011429A - A kind of Three-phase high-power capacitive radio energy transmission system - Google Patents
A kind of Three-phase high-power capacitive radio energy transmission system Download PDFInfo
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- CN110011429A CN110011429A CN201910339591.8A CN201910339591A CN110011429A CN 110011429 A CN110011429 A CN 110011429A CN 201910339591 A CN201910339591 A CN 201910339591A CN 110011429 A CN110011429 A CN 110011429A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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Abstract
The present invention relates to wireless power transmission technologies, more particularly to a kind of Three-phase high-power capacitive radio energy transmission system, including sequentially connected power module, three-phase non-contact electric power coupling mechanism primary side compensation circuit, three-phase non-contact electric power coupling mechanism, three-phase non-contact electric power coupling mechanism secondary side compensation circuit and load blocks.The Transmission system uses multiple power transmission channels, increases equivalent binding capacitance, so that system power transmission be made to increase and improve energy transmission efficiency；The circuit structure of three-phase and four-line makes circuit three-phase connected node current potential be always zero simultaneously, so that dislocation occurs for coupling plates, that holding circuit output is remained to when changing circuit parameter is constant, to reduce since coupling plates misplace to the resonance of system and the influence of output characteristics.
Description
Technical field
The invention belongs to wireless power transmission technical field more particularly to a kind of Three-phase high-power capacitive wireless power transmissions
System.
Background technique
The defeated channel design of patrilineal line of descent with only one son in each generation is concentrated mainly on for the research of resonance magnetic coupling wireless power transmission structure at present, for
The research of multi transmission channel is seldom.As the demand that the high-power wireless electric energy such as electric car transmits is continuously increased, using patrilineal line of descent with only one son in each generation
The problems such as radio energy-transmitting mode in defeated channel, it is small that there are coupled capacitors, and transimission power is small, and efficiency of transmission is lower.Simultaneously as nothing
The transmission of line electric energy is powered using cordless, and the transmitting terminal of electric energy and receiving end often easily occur relative motion and generate mistake
Position.Dislocation will lead to non-contact electric power coupling mechanism parameter and change, especially the coupling mechanism coefficient of coup, former secondary side around
Significant change easily occurs for the parameters such as group self-induction, mutual inductance, significantly alters so as to cause circuit resonance and output characteristics, influences
The safety and stability of system operation.Therefore, reduce influences to be to mention since transmitting terminal misplaces with receiving end caused by circuit
Rise the important content of radio energy transmission system controllability and stability.
Summary of the invention
The object of the present invention is to provide one kind can be realized multiple-passage large power energy transmission, and is avoided that due to coupling pole
The Three-phase high-power capacitive radio energy-transmitting structure that plate dislocation impacts circuit resonance and output characteristics.
To achieve the above object, the technical solution adopted by the present invention is that, a kind of Three-phase high-power capacitive wireless power transmission
System, including sequentially connected power module, three-phase non-contact electric power coupling mechanism primary side compensation circuit, three-phase are non-contact
Formula electric power coupling mechanism, three-phase non-contact electric power coupling mechanism secondary side compensation circuit and load blocks.
In above-mentioned Three-phase high-power capacitive radio energy transmission system, three-phase non-contact electric power coupling mechanism includes
Three pairs of first, second, third pair of coupling plates that be identical and being placed in parallel；The primary side of first, second, third pair of coupling plates
Pole plate and secondary side pole plate face, and material, structure, transmitting pole plate and receive spacing between pole plate, between adjacent coupled pole plate
Spacing is all the same, and nothing intercouples between each group pole plate.
In above-mentioned Three-phase high-power capacitive radio energy transmission system, three-phase non-contact electric power coupling mechanism is primary
Side compensation circuit includes first, third, the 5th group of compensation circuit, three-phase non-contact electric power coupling mechanism secondary side compensation circuit
Including second, the 4th, the 6th group of compensation circuit；First group of compensation circuit includes the first compensating electric capacity, the first inductance；Second group of benefit
Repaying circuit includes the second inductance, third inductance and the second compensating electric capacity；Third group compensation circuit includes third compensating electric capacity, the 4th
Inductance；4th group of compensation circuit includes the 5th inductance, the 6th inductance and the 4th compensating electric capacity；5th group of compensation circuit includes the 5th
Compensating electric capacity, the 7th inductance；6th group of compensation circuit includes the 8th inductance, the 9th inductance and the 6th compensating electric capacity；First compensation
Capacitor is connected with the primary side pole plate of power module and first pair of coupling plates, first inductance one end and the first compensating electric capacity and the
The primary side pole plate of a pair of of coupling plates connects, and the other end is connected and is grounded with the four, the 7th inductance；Second inductance and first pair
The secondary side pole plate of coupling plates and the series connection of the second compensating electric capacity, third inductance one end and the second inductance and the second compensating electric capacity phase
Even, the other end is connected and is grounded with the six, the 9th inductance；The one of third compensating electric capacity and power module and second pair of coupling plates
Secondary side pole plate series connection, the 4th inductance one end is connect with the primary side pole plate of third compensating electric capacity and second pair of coupling plates, another
End is connected and is grounded with the first, the 7th inductance；The secondary side pole plate and the 4th compensation electricity of 5th inductance and second pair of coupling plates
Hold series connection, the 6th inductance one end is connected with the 5th inductance and the 4th compensating electric capacity, and the other end is connected and connects with third, the 9th inductance
Ground；5th compensating electric capacity connects to the primary side pole plate of coupling plates with power module and third, the 7th inductance one end and the 5th
Compensating electric capacity is connected with primary side pole plate of the third to coupling plates, and the other end is connected and is grounded with the first, the 4th inductance；8th
Inductance connects to the secondary side pole plate of coupling plates and the 6th compensating electric capacity with third, the 9th inductance one end and the 8th inductance and the
Six compensating electric capacities are connected, and the other end is connected and is grounded with third, the 6th inductance.
In above-mentioned Three-phase high-power capacitive radio energy transmission system, power module includes DC power supply and three-phase three
Leg inverter or three-phase alternating-current supply.
In above-mentioned Three-phase high-power capacitive radio energy transmission system, load blocks include three-phase bridge rectifier circuit
And load.
Beneficial effects of the present invention: three-phase non-contact electric power coupling mechanism is used, so that energy-transmission channel becomes three
Item, energy transmission power and efficiency get a promotion, and three-phase energy-transmission channel is triangularly arranged, and produced electric field is in
It is vector superposed at the heart, meanwhile, there are phase differences for electric field produced by three phase mains causes there are phase difference, vector superposed to have counteracting
Effect, reduces influence of the electric field to equipment in environment and human body.The circuit structure design of three-phase and four-line makes to be located at coupling mechanism
What three inductance connected nodes of compensation circuit of primary side were connected with three inductance of compensation circuit for being located at coupling mechanism secondary side
Node potential is zero, even if there is a situation where coupling plates to misplace, circuit output voltage is remained to and holding when not misplacing
Unanimously, the influence of the circuit resonance and output characteristics due to pole plate dislocation pair is reduced.
Detailed description of the invention
Fig. 1 is one embodiment of the invention Three-phase high-power capacitive radio energy transmission system circuit diagram；
Fig. 2 is one embodiment of the invention Three-phase high-power capacitive radio energy transmission system equivalent circuit diagram；
Fig. 3 is one embodiment of the invention power module equivalent circuit diagram；
Output current wave when Fig. 4 is the load of one embodiment of the invention current mode three-phase inverter bridge circuit strip resistance
Figure；
Fig. 5 is one three-phase non-contact electric power coupling mechanism electric field superposition schematic diagram of the present invention；
Fig. 6 is one embodiment of the invention three-phase non-contact electric power coupling mechanism structural schematic diagram；
Fig. 7 is one embodiment of the invention three-phase non-contact electric power coupling mechanism equivalent circuit diagram；
Fig. 8 is the primary side compensation that one embodiment of the invention is connected with three-phase non-contact electric power coupling mechanism primary side
The equivalent circuit diagram of circuit；
Fig. 9 is the secondary side compensation that one embodiment of the invention is connected with three-phase non-contact electric power coupling mechanism secondary side
The equivalent circuit diagram of circuit；
Figure 10 is one embodiment of the invention load blocks equivalent circuit diagram；
Figure 11 is that one embodiment of the invention simplifies single-phase circuit equivalent circuit diagram；
Figure 12 is one embodiment of the invention CLC circuit diagram；
Figure 13 is that one embodiment of the invention simplifies single-phase CLC circuit equivalent circuit diagram；
Figure 14 is phase current vectogram when one embodiment of the invention coupling plates occur dislocation and do not misplace；
Wherein, 1- power module, 1-1- DC power supply, 1-2- three-phase three-leg inverter；
First group of compensation circuit that 2- is connected with three-phase non-contact electric power coupling mechanism side time, 2-1- first compensate electricity
Hold, the first inductance of 2-2-；
3- three-phase non-contact electric power coupling mechanism；
Second group of compensation circuit that 4- is connected with contactless two side of coupling mechanism of three-phase time, the second inductance of 4-1-, 4-2-
Third inductance, the second compensating electric capacity of 4-3-；
5- load blocks, 5-1- rectified three-phase circuit, 5-2- load.
Specific embodiment
Embodiments of the present invention are described in detail with reference to the accompanying drawing.
The present embodiment Three-phase high-power capacitive radio energy transmission system uses multiple power transmission channels, increases equivalent
Coupled capacitor, so that system power transmission be made to increase and improve energy transmission efficiency；The circuit structure of three-phase and four-line makes simultaneously
Obtaining circuit three-phase connected node current potential is always zero, so that coupling plates occur dislocation and circuit parameter is made still to be able to maintain electricity when changing
Road output is constant, to reduce since coupling plates misplace to the resonance of system and the influence of output characteristics.
The present embodiment is achieved through the following technical solutions, a kind of Three-phase high-power capacitive wireless power transmission system
System, including power module, three-phase non-contact electric power coupling mechanism primary side compensation circuit, three-phase non-contact electric power coupling machine
Structure (calls coupling mechanism in the following text), three-phase non-contact electric power coupling mechanism secondary side compensation circuit and load blocks.
Also, three-phase non-contact electric power coupling mechanism primary side compensation circuit includes first group of compensation circuit, third group
Compensation circuit and the 5th group of compensation circuit；Three-phase non-contact electric power coupling mechanism includes second group of compensation circuit, the 4th group of benefit
Repay circuit and the 6th group of compensation circuit.
Also, power module is connect with first group of compensation circuit, and first group of compensation circuit is connect with coupling mechanism primary side,
The secondary side of coupling mechanism is connect with second group of compensation circuit, and second group of compensation circuit is connect with load blocks.
Also, power module includes the three-phase three-leg inverter that DC power supply is powered or three-phase alternating-current supply or signal
Amplify power supply；Three-phase non-contact electric power coupling mechanism includes three pairs of coupling plates that are identical and being placed in parallel；With coupling mechanism
The concatenated first group of compensation circuit of primary side includes a capacitor and an inductance, wherein capacitor and power module and coupling mechanism
The coupling plates of primary side are connected, and inductance one end is connect with capacitor and coupling plates, the same compensation of the other end and other two-phases
The inductance of circuit is connected and is grounded；It include two inductance and an electricity with the concatenated second group of compensation circuit of coupling mechanism secondary side
Hold, wherein first inductance is connected with coupling mechanism secondary side coupling plates and capacitor, second inductance one end and first electricity
Sense and capacitor are connected, and the other end is connected and is grounded with the inductance for the same position for being located at other two-phases；Load blocks include three-phase
Rectification circuit and load.
Moreover, three-phase compensation circuit topology and three-phase non-contact electric power coupling mechanism are symmetric design.Wherein, compensation electricity
Capacitor, inductance parameters in road positioned at three opposite positions are identical；Three pairs of couplings in three-phase non-contact electric power coupling mechanism
Spacing between plate material, structure, transmitting pole plate and reception pole plate, the spacing between adjacent coupled pole plate are all the same, each group pole plate
Between without intercoupling.
Moreover, energy is transmitted by three-phase non-contact electric power coupling mechanism, totally three energy-transmission channels, and three
Phase energy-transmission channel is triangularly arranged, and produced electric field is vector superposed at center, simultaneously as there are phases for three phase mains
Potential difference (A, B, C three-phase successively differ 120 °), there is also phase differences for electric field produced by causing, vector superposed to have negative function,
The collective effect of both reduces influence of the electric field to equipment in environment and human body.Positioned at three groups of benefits of coupling mechanism primary side
Three inductance for repaying circuit are connected and are grounded, and are connected and connect positioned at three inductance of three groups of compensation circuits of coupling mechanism secondary side
Ground, two connected node potentials are always zero.
When it is implemented, as shown in Figure 1, a kind of Three-phase high-power capacitive radio energy transmission system, including power module
1, compensation circuit 2, three-phase non-contact electric power coupling mechanism 3, compensation circuit 4 and load blocks 5.Radio energy is non-by three-phase
Contact electric power coupling mechanism is transmitted to secondary side from primary side.
Moreover, direct current is changed into three-phase alternating current by power module 1, power module 1 includes DC power supply 1-1 and three-phase
Three-leg inverter 1-2 or three-phase alternating-current supply or signal amplify power supply.First group of compensation circuit 2 includes the first compensating electric capacity 2-
1, the first inductance 2-2.Three-phase non-contact electric power coupling mechanism 3 includes three pairs of identical first, second, third pair of couplings
Pole plate, and primary side and secondary side pole plate face.Second group of compensation circuit 4 includes the second inductance 4-1, third inductance 4-2, and second
Compensating electric capacity 4-3.Load blocks 5 include rectified three-phase circuit 5-1 and load 5-2.It is connect with second pair of coupling plates primary side
Third group compensation circuit include third compensating electric capacity, the 4th inductance；4th group of benefit of second pair of coupling plates secondary side connection
Repaying circuit includes the 5th inductance, the 6th inductance and the 4th compensating electric capacity.Correspond to the third connects coupling plates primary side the 5th
Group compensation circuit includes the 5th compensating electric capacity, the 7th inductance；The 6th group of compensation circuit that third connects coupling plates secondary side
Including the 8th inductance, the 9th inductance and the 6th compensating electric capacity.
Its specific connection type is as follows: the primary side of the first compensating electric capacity 2-1 and power module 1 and first pair of coupling plates
Pole plate series connection, first one end inductance 2-2 are connect with the primary side pole plate of the first compensating electric capacity 2-1 and first pair of coupling plates, separately
One end is connected and is grounded with the four, the 7th inductance；The secondary side pole plate and the second benefit of second inductance 4-1 and first pair of coupling plates
Repay capacitor 4-3 series connection, third one end inductance 4-2 is connected with the second inductance 4-1 and the second compensating electric capacity 4-3, the other end and the 6th,
9th inductance is connected and is grounded；Third compensating electric capacity is connected with the primary side pole plate of power module and second pair of coupling plates, the
Four inductance one end are connect with the primary side pole plate of third compensating electric capacity and second pair of coupling plates, the other end and the first, the 7th electricity
Sense is connected and is grounded；5th inductance is connected with the secondary side pole plate of second pair of coupling plates and the 4th compensating electric capacity, the 6th inductance
One end is connected with the 5th inductance and the 4th compensating electric capacity, and the other end is connected and is grounded with third, the 9th inductance；5th compensating electric capacity
It connects with power module and third to the primary side pole plate of coupling plates, the 7th inductance one end and the 5th compensating electric capacity and third pair
The primary side pole plate of coupling plates connects, and the other end is connected and is grounded with the first, the 4th inductance；8th inductance and third are to coupling
The secondary side pole plate of pole plate and the series connection of the 6th compensating electric capacity, the 9th inductance one end are connected with the 8th inductance and the 6th compensating electric capacity,
The other end is connected and is grounded with third, the 6th inductance.
At work: direct current is three-phase alternating current by the 1-2 inversion of three-phase three-leg inverter, then via first and third,
Pyatyi compensation circuit 2 and three-phase non-contact electric power coupling mechanism 3 are transmitted to secondary side from coupling mechanism primary side, using
Two, four, six groups of compensation circuits 4 are rectified into direct current via rectified three-phase circuit 5-1 and are supplied to load 5-2.
It is as shown in Figure 2: in practical applications, to need to consider system performance when coupling plates dislocation.It is opened up in three-phase compensation
When flutterring circuit and three pairs of coupling plates symmetric designs, node N1、N2、N3、N4Potential is equal to 0.When three-phase non-contact electric power coupling
When the primary side and secondary side pole plate for closing mechanism misplace, coupled capacitor CM1, CM2, CM3It will change, unequal each other, this meeting
The resonance and output characteristics of influence system.But due to the first inductance L at this timeP1, the 4th inductance LP2, the 7th inductance LP3It is connected and connects
Ground, third inductance LS1, the 6th inductance LS2, the 9th inductance LS3(LN1、LN2、LN3) be connected and be grounded, so that node N1、N2、N3、N4
Potential maintains zero point position.Therefore, three compatibility radio energy transmission systems can still be reduced to single-phase circuit.
It is as shown in Figure 3: power module 1 be current mode three-phase inverter bridge circuit, including DC power supply 1-1 and three bridge arms it is inverse
Power transformation road 1-2.S1~S6Respectively six bridge arms, fundamental mode are as follows: it is 120 ° conductive in each one period of bridge arm, by S1-
S4-S5-S2-S3-S6Sequence is sequentially turned on every 60 °.Three bridge arms of bridge arm group and three bridge arms of lower bridge arm group are engraved when per
Respectively there is a bridge arm conducting.The direct current of input can be changed into three-phase alternating current, A, B, C tri- by inverter circuit in the present embodiment
Mutually output current amplitude is equal, and phase successively differs 120 °.
It is as shown in Figure 4: when the electrification resistance type load of current mode three-phase inverter bridge circuit, the output electric current of A, B, C three-phase
Amplitude is equal, but phase successively differs 120 °；When circuit band capacitive load or inductive load, it is defeated A, B, C three-phase are not changed
Phase relation between electric current out.Therefore the direct current of input can be changed into three-phase phase by the three-phase inverter bridge circuit in the present embodiment
Position successively differs 120 ° of alternating current, so that circuit generates electric field, there is also phase differences.
It is as shown in Figure 5: due to input three-phase non-contact electric power coupling mechanism three-phase alternating current amplitude it is equal, phase according to
Secondary 120 ° of difference, and since three-phase non-contact electric power coupling mechanism is triangularly arranged, according to electric field superposition principle institute
The electric field intensity superposition of formation has the function of cancelling out each other, and reduces influence of the electric field to equipment in environment and human body.
As shown in Figure 6: three-phase non-contact electric power coupling mechanism is made of three pairs of coupling plates, general primary side pole plate with
Secondary side pole plate face, and the spacing between three pairs of coupling plates materials, structure, transmitting pole plate and reception pole plate, adjacent coupled pole
Spacing between plate is all the same, and nothing intercouples between each group pole plate.
As shown in Figure 7: three-phase non-contact electric power coupling mechanism equivalent circuit diagram is three coupled capacitors, works as coupling mechanism
When primary side and secondary side coupling plates face, three coupling capacitances are equal；When coupling mechanism primary side is coupled with secondary side
When pole plate misplaces, three coupling capacitances may be unequal.
It is as shown in Figure 8: by C1With L1The compensation circuit of composition is connected with the non-contact electric power coupling mechanism primary side of three-phase,
It is located at L in middle three-phase circuit1Three inductance of position are connected and are grounded, so that the node potential that these three inductance are connected is always
Zero.
It is as shown in Figure 9: by C1With L1、L2The compensation circuit of composition is connected with the non-contact electric power coupling mechanism secondary side of three-phase.
Wherein it is located at L in three-phase circuit2Three inductance of position are connected and are grounded, so that the node potential that these three inductance are connected is always
It is zero.
As shown in Figure 10: load blocks include three-phase bridge rectifier circuit 5-1 and load 5-2.Rectification circuit can be by three-phase
Alternating current circuit is rectified into direct current supply load.
As shown in figure 11: when three-phase compensation topology circuit and three coupling plates symmetric designs, three-phase circuit can letter
Turn to single-phase circuit.The capacitor C in the compensation circuit of coupling mechanism primary sideP1With coupling mechanism primary side coupling plates string
Connection, inductance LP1It is located at same position inductance with other two-phases to be connected and be grounded；In the compensation circuit of coupling mechanism secondary side
Inductance LN1With coupling mechanism secondary side coupling plates and capacitor CS1Series connection, capacitor CS1It connects with load blocks, inductance LS1With three-phase
Other two-phases of circuit are located at same position inductance and are connected.
It is as shown in figure 12: for CLC circuit, circuit equivalent impedance are as follows:
Wherein ZLFor the equivalent load of CLC circuit.
Assuming that circuit be it is loss-free, then the output voltage of CLC circuit and output electric current be
Output voltage-input current gain GVISWith output electric current-input voltage GIVSGain are as follows:
Known to (5) formula when an input voltage/current source supply CLC circuit, circuit output current/voltage is independent
In load.
As shown in figure 13: by taking the single-phase capacitive radio energy transmission system of A phase as an example, compensation circuit can be divided into three portions
Divide S1, S2, S3.Coupling capacitor CM1It is divided into three part CM11, CM12And CM13To provide different functions.CM11And CM13For
CLC circuit is formed, wherein CP1, LP1And CS1It is located at the primary side and secondary side of coupling mechanism.Two CLC circuits are full respectively
Foot Wherein CM12It is designed as and inductor LN1Resonance is equivalent to CM12With LN1String
Join partial short circuit.Therefore, two CLC circuits that single-phase circuit can simplify as series connection.It is inputted according to CLC circuit in Fig. 9
Known to relationship between voltage/current and current/voltage: input voltage by first CLC circuit it is exportable independently of
The electric current of load.The output electric current of first CLC circuit is as input current by output after second CLC circuit independently of negative
The voltage of load.Therefore the output voltage of the single-phase capacitive radio energy transmission system are as follows:
WhereinWithIt respectively indicates according to (5) formula S1Module input voltage-output current gain and S3Module it is defeated
Enter electric current-output voltage gain.By single-phase capacitive wireless power transmission circuit known to (6) formula output voltage and input voltage andIt is related.Therefore, in the case where input voltage is given, can pass throughTo realize specific output voltage.
When coupling plates misplace, coupled capacitor CM12It changes, so that CM12With LN1Part in series no longer occurs
Resonance, therefore module no longer can be considered short circuit.According to (4) formula, work as CMWhen changing, the S of first CLC circuit1Module can will be defeated
Enter voltage and is changed into constant output electric current.Since two each component parameters of CLC circuit do not change, flow through three
Compatibility radio energy transmission system CM1, CM2, CM3Electric current do not change compared with when not misplacing.And the electric current is simultaneously
It also is the input current of second CLC circuit, therefore circuit output voltage does not change, i.e. the three compatibilities wireless power transmission
Circuit has good robustness pole plate dislocation.
As shown in figure 14: dotted vectors indicate three-phase non-contact electric power coupling mechanism primary side and secondary side coupling plates
The input current I ' of first CLC circuit when misplacingP1, export electric current I 'M1, flow through inductance LP1Electric current I 'LP1；Solid line to
Amount indicates I when coupling plates do not misplaceP1、ILP1、IM1。
When the contactless coupling mechanism coupling plates of three-phase misplace, CM12It will change, circuit output is equivalent
Impedance are as follows:
Wherein ZSIt is the equivalent impedance of second CLC circuit and load blocks, what Δ L expression was introduced since pole plate misplaces etc.
Imitate reactance.The electric current of first CLC circuit is flowed at this time are as follows:
When coupling plates misplace, due to S1The CLC circuit function of module, the electric current for flowing through coupling plates do not occur
Change.But flow through capacitor CP1, inductance LP1Electric current will increase, cause the voltage on these elements to increase.Therefore, pole is coupled
Dislocation between plate should be limited in suitable range, to ensure that circuit compensation element is in the voltage and current class of safety
It is interior.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
Although being described in conjunction with the accompanying a specific embodiment of the invention above, those of ordinary skill in the art should
Understand, these are merely examples, various deformation or modification can be made to these embodiments, without departing from original of the invention
Reason and essence.The scope of the present invention is only limited by the claims that follow.
Claims (3)
1. a kind of Three-phase high-power capacitive radio energy transmission system, characterized in that including sequentially connected power module, three-phase
Non-contact electric power coupling mechanism primary side compensation circuit, three-phase non-contact electric power coupling mechanism, three-phase non-contact electric power
Coupling mechanism secondary side compensation circuit and load blocks.
2. Three-phase high-power capacitive radio energy transmission system as described in claim 1, characterized in that the contactless electricity of three-phase
Power coupling mechanism includes three pairs of first, second, third pair of coupling plates that be identical and being placed in parallel；First, second, third pair of coupling
The primary side pole plate and secondary side pole plate face of pole plate are closed, and spacing, phase between material, structure, transmitting pole plate and reception pole plate
Spacing between adjacent coupling plates is all the same, and nothing intercouples between each group pole plate.
3. Three-phase high-power capacitive radio energy transmission system as claimed in claim 2, characterized in that the contactless electricity of three-phase
Power coupling mechanism primary side compensation circuit includes first, third, the 5th group of compensation circuit, three-phase non-contact electric power coupling mechanism
Secondary side compensation circuit includes second, the 4th, the 6th group of compensation circuit；First group of compensation circuit includes the first compensating electric capacity, the
One inductance；Second group of compensation circuit includes the second inductance, third inductance and the second compensating electric capacity；Third group compensation circuit includes the
Three compensating electric capacities, the 4th inductance；4th group of compensation circuit includes the 5th inductance, the 6th inductance and the 4th compensating electric capacity；5th group
Compensation circuit includes the 5th compensating electric capacity, the 7th inductance；6th group of compensation circuit includes the 8th inductance, the 9th inductance and the 6th benefit
Repay capacitor；First compensating electric capacity is connected with the primary side pole plate of power module and first pair of coupling plates, first inductance one end with
First compensating electric capacity is connected with the primary side pole plate of first pair of coupling plates, and the other end is connected and is grounded with the four, the 7th inductance；
Second inductance is connected with the secondary side pole plate of first pair of coupling plates and the second compensating electric capacity, third inductance one end and the second inductance
And second compensating electric capacity be connected, the other end is connected and is grounded with the six, the 9th inductance；Third compensating electric capacity and power module and the
The primary side pole plate series connection of two pairs of coupling plates, the 4th inductance one end and third compensating electric capacity and second pair of coupling plates it is primary
The connection of side pole plate, the other end are connected and are grounded with the first, the 7th inductance；The secondary side pole of 5th inductance and second pair of coupling plates
Plate and the series connection of the 4th compensating electric capacity, the 6th inductance one end is connected with the 5th inductance and the 4th compensating electric capacity, the other end and third, the
Nine inductance are connected and are grounded；5th compensating electric capacity connects to the primary side pole plate of coupling plates with power module and third, and the 7th
Inductance one end connect the primary side pole plate of coupling plates with the 5th compensating electric capacity and third, the other end and the first, the 4th inductance
It is connected and is grounded；8th inductance connects to the secondary side pole plate of coupling plates and the 6th compensating electric capacity with third, the 9th inductance one
End is connected with the 8th inductance and the 6th compensating electric capacity, and the other end is connected and is grounded with third, the 6th inductance.
Priority Applications (1)
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