CN106877522B - A kind of control method of the double active radio electric energy Transmission systems of series compensation - Google Patents
A kind of control method of the double active radio electric energy Transmission systems of series compensation Download PDFInfo
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- CN106877522B CN106877522B CN201710188425.3A CN201710188425A CN106877522B CN 106877522 B CN106877522 B CN 106877522B CN 201710188425 A CN201710188425 A CN 201710188425A CN 106877522 B CN106877522 B CN 106877522B
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- 238000010586 diagram Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000018199 S phase Effects 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
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- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
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Classifications
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- H02J7/025—
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The invention discloses a kind of control methods of the double active radio electric energy Transmission systems of series compensation, including secondary sampler circuit acquisition exchange side to export electric current i2Phase；Secondary controller will collect exchange side output electric current i2Phase zero crossing as time reference, the working method combined is controlled with PWM using PLL control, calculates secondary side full-bridge converter driving signal timing, the output voltage control of realization Sofe Switch condition；Primary controller is to collect exchange side input current i1Phase zero crossing as time reference, the working method combined, the duty ratio D of adjustment primary side full-bridge converter are controlled with PWM using PLL control1, when so that primary side switch pipe being opened, exchange side input current i1Phase zero passage, realize primary side full-bridge converter switching device Sofe Switch.
Description
Technical field:
The invention belongs to wireless power transmission technical fields, and in particular to a kind of double active radio electric energy transmission of series compensation
The control method of system.
Background technique:
The double active radio electric energy Transmission systems of existing series compensation are by primary side full-bridge converter, transmitting lateral coil and its benefit
Repay capacitor, secondary side full-bridge converter receives lateral coil and its compensating electric capacity is constituted, and topological structure is as shown in Figure 1.Series compensation
Double active radio electric energy Transmission systems are had active nature due to bilateral, can be received side output voltage with active accommodation, adapted to big
Variation range application is loaded, it is high-efficient.Due to can be realized the two-way biography of energy with full symmetric characteristic
It passs.
In terms of the double active radio electric energy Transmission system control methods of series compensation, simplest at present is pure phase shift modulation plan
Slightly.Only one control amount of the control method, the work of two sides full-bridge converter pass through control two in 50% fixed duty cycle state
The phase shifting angle of a full-bridge converterChange the size of phase shifting angle and positive and negative, can control the size and Orientation of transimission power.This
A control method realization is simple, but since two full-bridge converters work are in fixed duty cycle, phase shifting angleIntroducing cause
A large amount of reactive current, therefore loss is huge, system effectiveness is low.
Another control method of the double active radio electric energy Transmission systems of series compensation is dual PWM-VSI mode.I.e. two
Full-bridge converter all uses PWM to control, and controls the output voltage of two converters, in order to which optimization efficiency maintains two full-bridge transformation
Device phase shifting angleFor 90 degree of fixed values.For this control method due to the introducing of not no reactive current, system effectiveness is high.But due to
Two full-bridge converters all use PWM to control, and full-bridge converter is all work in hard switching state, and switching loss is big；PWM control
The adjustment of middle duty ratio needs the introducing of communication system, increases system cost.
Summary of the invention:
It is an object of the invention to overcome the problems of the above-mentioned prior art, a kind of double active nothings of series compensation are provided
The control method of line electric energy transmission system, two, side of the control method primary side pair full-bridge converter all use under fixed frequency
PLL control controls the control method combined with PWM, without realizing the stabilization of output voltage under the conditions of communication device, energy
Transmitted in both directions improves system effectiveness so that two full-bridge converters all work under Sofe Switch state.
In order to achieve the above objectives, the present invention is achieved through the following technical solutions:
A kind of control method of the double active radio electric energy Transmission systems of series compensation, comprising the following steps:
1) secondary sampler circuit acquires DC side output voltage V respectivelyoAmplitude, and exchange side export electric current i2Phase
Secondary controller is sent into position；
2) by DC side output voltage V collected in step 1)oCompared with being made the difference with DC side output reference value Voref,
Its difference is adjusted by pi regulator, obtains secondary side full-bridge converter duty ratio D2；
3) the secondary side full-bridge converter duty ratio D for obtaining step 2)2Electric current i is exported by exchange side2Phase zero crossing
As time reference, secondary controller is controlled using PLL and controls the working method combined with PWM, and secondary controller calculates
Secondary side full-bridge converter driving signal timing drives corresponding secondary side full-bridge converter switching device through driving circuit；
4) primary side sample circuit acquires the amplitude of DC side input voltage Vin respectively, and exchanges side input current i1's
Phase is sent into primary controller；
5) exchange side input current i will be collected in step 4)1Phase zero crossing as time reference, primary controller
Adjust the duty ratio D of primary side full-bridge converter1, primary side full-bridge converter driving signal timing is exported, through driving circuit, drives phase
Primary side full-bridge converter switching device is answered, primary controller is controlled using PLL and controls the working method combined with PWM, so that
When primary side switch pipe is opened, side input current i is exchanged1Phase zero passage.
A further improvement of the present invention lies in that in step 3), to exchange side output electric current i2In phase zero passage as timing
Starting point, secondary controller controls the phase delay of secondary side full-bridge converter, in phase delay time section, so that i2It is short-circuited, from
And realize pair side full-bridge converter duty ratio D2Adjustment, control DC side output voltage VoStablize.
A further improvement of the present invention lies in that exchange side exports electric current i in step 3)2After phase delay time,
Secondary controller controls secondary side full-bridge converter switching tube shutdown, and exchange side exports electric current i2Pass through secondary two pole of side full-bridge converter
Pipe afterflow, exchange side export electric current i2It is turned off naturally when zero passage, realizes the ZCS Sofe Switch of secondary side full-bridge converter.
A further improvement of the present invention lies in that passing through sample detecting to exchange side input current i in step 5)1Phase,
Primary controller constantly adjusts the duty ratio D of primary side full-bridge converter1, realize exchange when primary side full-bridge converter switching tube is opened
Side input current i1Lucky zero passage, primary controller calculate primary side full-bridge converter driving signal timing, through driving circuit, drive
Corresponding primary side full-bridge converter switching device is moved, realizes the ZVS Sofe Switch of primary side full-bridge converter switching tube.
Compared with prior art, the invention has the following beneficial technical effects:
A further improvement of the present invention lies in that controlling the controlling party combined with PWM using the PLL control under fixed frequency
Method while the stabilization of output voltage, realizes the work of two sides full-bridge converter under Sofe Switch state, improves system effectiveness.
Further, the present invention by sampling harmonic electric current realize control, control system be not necessarily to communication device, saved at
This, increases the reliability of system.
Further, for the present invention since secondary side rectifier is using active full-bridge converter, the control structure on primary side pair side is complete
It is exactly the same, it can be realized the bi-directional of energy.
Further, primary controller and secondary controller all use PLL control to control the work side combined with PWM
Formula, the independent fixed-frequency control of two sides converter, is detected by current phase, realizes output voltage stabilization, soft open is realized simultaneously in both sides
It closes
Detailed description of the invention:
Fig. 1 is the double active radio electric energy Transmission systems of series compensation；
Fig. 2 is the control method structural block diagram of the double active radio electric energy Transmission systems of series compensation；
Fig. 3 is the operation waveform diagram of the double active radio electric energy Transmission systems of series compensation.
Specific embodiment:
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.The present invention is made further instructions below in conjunction with attached drawing.
As shown in Figure 1, the double active radio electric energy Transmission systems of series compensation, including primary circuit and secondary circuit composition.
Wherein primary circuit includes: to have switching tube S1~S4Constitute primary side full-bridge converter, primary side sample circuit, primary controller and original
Side driving circuit.Wherein secondary circuit includes: by S5~S8The secondary of composition controls in full-bridge converter, secondary sampler circuit, pair
Device and secondary side driving circuit.
The control method structural block diagram of the double active radio electric energy Transmission systems of series compensation, as shown in Figure 2.
Firstly, secondary sampler circuit acquires DC side output voltage V respectivelyoAmplitude, and exchange side export electric current i2's
Phase is sent into secondary controller；By collected DC side output voltage VoCompared with being made the difference with DC side output reference value Voref,
Its difference is adjusted by pi regulator, obtains secondary side full-bridge converter duty ratio D2。
Then, to exchange side output electric current i2Phase zero crossing as time reference, exchange side and export electric current i2In phase
After zero passage, secondary controller controls pair side full-bridge converter switching tube S6And S8Conducting, so that i2It is short-circuited (1-D2) * T time,
Wherein T is switch periods.It exchanges side and exports electric current i2In phase zero passage (1-D2) after * T time, it is complete that secondary controller controls secondary side
Bridging parallel operation switching tube S6And S8Shutdown when, exchange side export electric current i2Pass through secondary side full-bridge converter diode D5And D7It is continuous
Stream, to realize secondary side full-bridge converter duty ratio D2Adjustment, control DC side output voltage VoStablize.Secondary controller is adopted
The working method combined is controlled with PWM with PLL control, when secondary controller calculates secondary side full-bridge converter driving signal
Sequence drives corresponding secondary side full-bridge converter switching device through driving circuit；
Finally, primary side sample circuit acquires the amplitude of DC side input voltage Vin, and exchange side input current i respectively1
Phase be sent into primary controller, will collect exchange side input current i1Phase zero crossing as time reference, primary side control
The duty ratio D of device adjustment primary side full-bridge converter processed1, pass through sample detecting to exchange side input current i1Phase, primary-side-control
Device constantly adjusts the duty ratio D of primary side full-bridge converter1, realize input electricity in exchange side when primary side full-bridge converter switching tube is opened
Flow i1Lucky zero passage.Primary controller is controlled using PLL and controls the working method combined with PWM, and the change of primary side full-bridge is calculated
Parallel operation driving signal timing drives corresponding primary side full-bridge converter switching device through driving circuit, realizes primary side full-bridge converter
The ZVS Sofe Switch of switching tube.
Under the control strategy, the operation waveform diagram of the double active radio electric energy Transmission systems of series compensation is as shown in Figure 3.In nothing
Under conditions of needing communication equipment, while controlling the stabilization of output voltage, the work of two sides full-bridge converter is realized in Sofe Switch
Under state, system effectiveness is improved.
Claims (1)
1. a kind of control method of the double active radio electric energy Transmission systems of series compensation, which comprises the following steps:
1) secondary sampler circuit acquires DC side output voltage V respectivelyoAmplitude, and exchange side export electric current i2Phase give
Enter secondary controller；
2) by DC side output voltage V collected in step 1)oCompared with being made the difference with DC side output reference value Voref, difference
It is adjusted by pi regulator, obtains secondary side full-bridge converter duty ratio D2；
3) the secondary side full-bridge converter duty ratio D for obtaining step 2)2Electric current i is exported by exchange side2Phase zero crossing conduct
Time reference, secondary controller are controlled using PLL and control the working method combined with PWM, and secondary controller calculates secondary side
Full-bridge converter driving signal timing drives corresponding secondary side full-bridge converter switching device through driving circuit；To exchange side output
Electric current i2In phase zero passage as time zero, secondary controller controls the phase delay of secondary side full-bridge converter, prolongs in phase
The slow period, so that i2It is short-circuited, to realize secondary side full-bridge converter duty ratio D2Adjustment, control DC side output voltage
VoStablize；It exchanges side and exports electric current i2After phase delay time, secondary controller controls secondary side full-bridge converter switching tube
Shutdown, exchange side export electric current i2By secondary side full-bridge converter diode continuousing flow, exchanges side and export electric current i2It is closed naturally when zero passage
It is disconnected, realize the ZCS Sofe Switch of secondary side full-bridge converter；
4) primary side sample circuit acquires the amplitude of DC side input voltage Vin, and the phase of exchange side input current i1 respectively
It is sent into primary controller；
5) exchange side input current i will be collected in step 4)1Phase zero crossing as time reference, primary controller adjustment
The duty ratio D of primary side full-bridge converter1, primary side full-bridge converter driving signal timing is exported, through driving circuit, is driven corresponding former
Side full-bridge converter switching device, primary controller is controlled using PLL and controls the working method combined with PWM, so that primary side
When switching tube is opened, side input current i is exchanged1Phase zero passage；Pass through sample detecting to exchange side input current i1Phase,
Primary controller constantly adjusts the duty ratio D of primary side full-bridge converter1, realize exchange when primary side full-bridge converter switching tube is opened
Side input current i1Lucky zero passage, primary controller calculate primary side full-bridge converter driving signal timing, through driving circuit, drive
Corresponding primary side full-bridge converter switching device is moved, realizes the ZVS Sofe Switch of primary side full-bridge converter switching tube.
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| CN201710188425.3A CN106877522B (en) | 2017-03-27 | 2017-03-27 | A kind of control method of the double active radio electric energy Transmission systems of series compensation |
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| CN109286247A (en) * | 2017-07-21 | 2019-01-29 | 中惠创智（深圳）无线供电技术有限公司 | A kind of Poewr control method of wireless transmitter, device and wireless power supply system |
| CN107800202B (en) * | 2017-10-31 | 2020-06-12 | 上海交通大学 | Wireless power transmission impedance matching and voltage regulating circuit |
| CN108169576A (en) * | 2018-01-17 | 2018-06-15 | 西安交通大学 | A kind of dynamic mutual inductance detection method of mobile wireless electric energy Transmission system |
| CN112865544A (en) * | 2021-02-20 | 2021-05-28 | 阳光电源股份有限公司 | Bidirectional DCDC power supply and charging pile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779951A (en) * | 2014-01-03 | 2014-05-07 | 无锡市产品质量监督检验中心 | Electric bicycle magnetic coupling resonance type wireless charger |
| CN104052161A (en) * | 2013-03-12 | 2014-09-17 | 海尔集团公司 | Wireless power transmission system adaptive to multi-load dynamic switching |
| CN104702113A (en) * | 2015-02-16 | 2015-06-10 | 湘潭大学 | Device and method for realizing ZVC (Zero Voltage Switching) soft switch based on frequency tracking |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052161A (en) * | 2013-03-12 | 2014-09-17 | 海尔集团公司 | Wireless power transmission system adaptive to multi-load dynamic switching |
| CN103779951A (en) * | 2014-01-03 | 2014-05-07 | 无锡市产品质量监督检验中心 | Electric bicycle magnetic coupling resonance type wireless charger |
| CN104702113A (en) * | 2015-02-16 | 2015-06-10 | 湘潭大学 | Device and method for realizing ZVC (Zero Voltage Switching) soft switch based on frequency tracking |
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