CN107947594A - Load-side series resonance high voltage power supply - Google Patents
Load-side series resonance high voltage power supply Download PDFInfo
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- CN107947594A CN107947594A CN201711365499.6A CN201711365499A CN107947594A CN 107947594 A CN107947594 A CN 107947594A CN 201711365499 A CN201711365499 A CN 201711365499A CN 107947594 A CN107947594 A CN 107947594A
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- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention discloses a kind of load-side series resonance high voltage power supply, connection load, including DC power source unit, stimuli subsystem, the first capacitance, inductance and the second capacitance, one end of the DC power source unit connects first capacitance and the inductance respectively, the other end of the inductance connects the load and second capacitance respectively, one end of stimuli subsystem described in second capacitance connection, the other end of the DC power source unit, the other end of first capacitance, the other end of the other end of the load and the stimuli subsystem are grounded respectively.Circuit according to the present invention, the capacity usage ratio of load are high：Load participates in resonance with its capacitance characteristic, and the energy of load is recycled, and utilization rate is high；Shaken using the natural resonance frequency of load-side, resonant frequency is high, and frequency limits from switching device；Compared with single DC power supply, under same removal effect, this circuit can reach energy saving more than 30%.
Description
Technical field
The present invention relates to power circuit, more particularly to a kind of load-side series resonance high voltage power supply.
Background technology
At present, a large amount of dust, nitrogen oxides, sulfur dioxide, flue dust, Hg and CO etc. are contained in the coal-fired industrial waste gas produced
Pollutant, there are equipment component for the gas cleaning mode carried out using traditional " dedusting+desulfurization+denitration etc. " a variety of method substeps
Corrosivity is serious, and flue gas needs reheating after washing, and high energy consumption, takes up a large area, and investment and operating cost are high, system complex, equipment
Huge, the defects of water consumption is big, one-time investment is high.
Field, the currently used power source designs such as electrostatic precipitation, integration removing in fire coal boiler fume are：Full direct current
Power supply, such as high frequency inverter, power frequency supply；Coupling superposition class power supply, such as pulse power.But both power supplys are deposited
In fewer defects, major defect is：DC power supply is since its output form is single, and there are energy consumption is big, utilization rate of electrical is low, work
Condition bad adaptability, the defects of；Coupling superposition power supply is limited by switching device, and frequency is low, and power is small, and actual effect is not also preferable,
And switching device, in order to meet instantaneous power, type selecting standard is high, expensive.
The content of the invention
The present invention is big there are energy consumption for DC power supply in the prior art, and coupling superposition power supply can be limited by switching device
Deng the shortcomings that, there is provided a kind of load-side series resonance high voltage power supply.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of load-side series resonance high voltage power supply, connection load, the load-side series resonance high voltage power supply includes straight
Galvanic electricity source unit, stimuli subsystem, the first capacitance, inductance and the second capacitance, one end of the DC power source unit connect respectively
First capacitance and the inductance, the other end of the inductance connect the load and second capacitance respectively, and described the
One end of stimuli subsystem described in two capacitance connections, the other end of the DC power source unit, first capacitance the other end,
The other end of the other end of the load and the stimuli subsystem is grounded respectively；
First capacitance, the inductance and the load composition resonant tank, the DC power source unit are described humorous
The circuit that shakes provides high direct voltage output, and the stimuli subsystem provides driving voltage for the resonant tank；
First capacitance, the inductance and second capacitance composition self-resonance coupled resonance circuit；Second electricity
Hold influence of the high direct voltage of isolated DC power supply unit to driving source, while do not influence the alternating-current pulse high pressure of driving source to humorous
Shake circuit offer excitation energy；
After the stimuli subsystem sends high-frequency ac pulse, between the load and the self-resonance coupled resonance circuit
Concussion is produced, the pulse frequency by adjusting the stimuli subsystem controls the resonant intensity in the resonant tank, and then controls
The size of amplitude is shaken in stimuli subsystem processed.
As a kind of embodiment, the DC power source unit is high-frequency direct-current power supply, power frequency single phase poaer supply and power frequency
Any one of three phase mains.
As a kind of embodiment, the DC power source unit includes the first current rectifying and wave filtering circuit, the first inverter circuit
Become circuit, first current rectifying and wave filtering circuit, first inverter circuit and first high-frequency rectification with the first high-frequency rectification
Become circuit to be sequentially connected in series, first high-frequency rectification becomes both ends of the both ends of circuit respectively with first capacitance and connects；
Alternating current power distribution gives first current rectifying and wave filtering circuit, and first current rectifying and wave filtering circuit carries out alternating current power distribution
Rectifying and wave-filtering simultaneously produces the first DC voltage；
First DC voltage is carried out inversion conversion and produces the first ac high-voltage by first inverter circuit；
First high-frequency rectification becomes circuit and the alternating voltage is carried out high-voltage rectifying, produces DC voltage.
As a kind of embodiment, the stimuli subsystem include the second current rectifying and wave filtering circuit, the second inverter circuit and
Second high frequency transformer unit, second current rectifying and wave filtering circuit, the second inverter circuit and the second high frequency transformer unit are successively
Series connection, one end of the second high frequency transformer unit connect second capacitance, the second high frequency transformer unit it is another
One end connects the load；
Alternating current power distribution gives second current rectifying and wave filtering circuit, and second current rectifying and wave filtering circuit carries out rectification to alternating current
Filter and produce the second DC voltage；
Second DC voltage is carried out inversion conversion and produces the second ac high-voltage by second inverter circuit；
The second high frequency transformer unit includes high frequency transformer, and the primary coil of the high frequency transformer is electrically connected
The output terminal of second inverter circuit, one end of secondary coil connect the second capacitance, and the other end ground connection of secondary coil is described
Second high frequency transformer unit gives the second ac high-voltage transformation, produces high-frequency ac pulse.
As a kind of embodiment, the load equivalent is the 3rd capacitance and resistance, the 3rd capacitance and the electricity
Resistance is in parallel；
First capacitance, the inductance and resistance composition resonant tank, the 3rd capacitance are used for storage energy
And the energy is supplied to the resonant tank.
As a kind of embodiment, first current rectifying and wave filtering circuit is three-phase bridge full-bridge rectification filter circuit.
As a kind of embodiment, first inverter circuit is H-bridge inverter circuit.
As a kind of embodiment, first high-frequency rectification, which becomes circuit, includes high frequency transformer and bridge-type high-voltage rectifying
Pipe group, the primary coil of the high frequency transformer are electrically connected the output terminal of first inverter circuit, the high frequency transformer
Secondary coil connect and the bridge-type genotron group and be electrically connected first capacitance；
First ac high-voltage of generation is input in the primary coil of the high frequency transformer by first inverter circuit,
Secondary coil induces ac high-voltage at this time, and the ac high-voltage induced is formed adjustable through bridge type genotron group rectification
Positive polarity DC voltage.
As a kind of embodiment, second current rectifying and wave filtering circuit is three-phase bridge full-bridge rectification filter circuit.
As a kind of embodiment, second inverter circuit is H-bridge inverter circuit.
The present invention has significant technique effect as a result of above technical scheme：
The present invention is a kind of load-side series resonance high voltage power supply, including DC power source unit, stimuli subsystem, the first electricity
Appearance, inductance, the second capacitance and load, one end of the DC power source unit connect first capacitance and the inductance respectively,
The other end of the inductance connects the load and second capacitance, stimuli subsystem described in second capacitance connection respectively
One end, the other end of the DC power source unit, the other end of first capacitance, the other end of the load and described
The other end of stimuli subsystem is grounded respectively；
First capacitance, the inductance and the load composition resonant tank, the DC power source unit are described humorous
The circuit that shakes provides high direct voltage output, and the stimuli subsystem provides driving voltage for the resonant tank；
First capacitance, the inductance and second capacitance composition self-resonance coupled resonance circuit；
After the stimuli subsystem sends high-frequency ac pulse, between the load and the self-resonance coupled resonance circuit
Concussion is produced, the pulse frequency by adjusting the stimuli subsystem controls the resonant intensity in the resonant tank, and then controls
The size of amplitude is shaken in stimuli subsystem processed.
Circuit according to the present invention, the capacity usage ratio of load are high：Load participates in resonance, the energy of load with its capacitance characteristic
Amount is recycled, and utilization rate is high；Shaken using the natural resonance frequency of load-side, resonant frequency is high, and frequency is from derailing switch
Part limits；Resonance potential is high：Control excitation source frequency, makes itself and resonance frequency matches, can obtain 1-5 times of resonance potential；
Adaptability for working condition is strong：There are several working ways optional, adapt to different operating modes；Compared with single DC power supply, equally removing
Under effect, this circuit can reach energy saving more than 30%.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the overall structure figure of the exemplary invention of the present invention；
Fig. 2 is the overall structure figure of the embodiment of the present invention 1；
Fig. 3 is the overall structure diagram of the present invention more preferably specific embodiment；
Fig. 4 is the output voltage schematic diagram of the DC power source unit S1 of the present invention；
Fig. 5 is the output voltage schematic diagram of the stimuli subsystem S2 of the present invention；
Fig. 6 is the test waveform of load voltage waveform of the present invention and stimuli subsystem S2 impulse waveforms.
Label declaration：1st, the first current rectifying and wave filtering circuit；2nd, the first inverter circuit；3rd, the first high-frequency rectification becomes circuit；4th,
Two current rectifying and wave filtering circuits；5th, the second inverter circuit；6th, the second high frequency transformer unit；7th, self-resonance coupled resonance circuit.
Embodiment
With reference to embodiment, the present invention is described in further detail, following embodiments be explanation of the invention and
The invention is not limited in following embodiments.
Exemplary circuit：
In the present invention, it is proposed that a kind of load-side series resonance high voltage power supply, connection load, including DC power supply list
Member, stimuli subsystem, the first capacitance, inductance and the second capacitance, one end of the DC power source unit connect described first respectively
Capacitance and the inductance, the other end of the inductance connect the load and second capacitance respectively, and second capacitance connects
Connect one end of the stimuli subsystem, the other end of the DC power source unit, the other end of first capacitance, the load
The other end and the other end of the stimuli subsystem be grounded respectively；First capacitance, the inductance and the load group
Into resonant tank, the DC power source unit provides high direct voltage output for the resonance circuit, and the stimuli subsystem is institute
State resonant tank and driving voltage is provided；First capacitance, the inductance and second capacitance composition self-resonance coupled resonance
Circuit 7；After the stimuli subsystem sends high-frequency ac pulse, produced between the load and the self-resonance coupled resonance circuit
Raw concussion, the pulse frequency by adjusting the stimuli subsystem controls the resonant intensity in the resonant tank, and then controls
The size of amplitude is shaken in stimuli subsystem.
Embodiment 1
Referring to the drawings shown in 1, a kind of load-side series resonance high voltage power supply, connection load L include DC power source unit S1,
Stimuli subsystem S2, the first capacitance C1, inductance L1 and the second capacitance C2, one end of the DC power source unit S1 connects institute respectively
The first capacitance C1 and the inductance L1 are stated, the other end of the inductance L1 connects the load L and the second capacitance C2 respectively,
One end of the second capacitance C2 connections stimuli subsystem S2, the other end of the DC power source unit S1, described first
The other end of the other end of capacitance C1, the other end of the load L and the stimuli subsystem S2 is grounded respectively；Described first
Capacitance C1, the inductance L1 and load L composition resonant tanks, the DC power source unit S1 provide for the resonance circuit
High direct voltage exports, and the stimuli subsystem S2 provides driving voltage for the resonant tank；The first capacitance C1, the electricity
Feel L1 and the second capacitance C2 composition self-resonance coupled resonances circuit 7；The stimuli subsystem S2 sends high-frequency ac pulse
Afterwards, concussion is produced between the load L and the self-resonance coupled resonance circuit, by the arteries and veins for adjusting the stimuli subsystem S2
The resonant intensity in resonant tank described in FREQUENCY CONTROL is rushed, and then controls the size that amplitude is shaken in stimuli subsystem S2.
It is the body apparatus using electrostatic absorption principle to load L, its is various informative, includes but not limited to electric precipitator body
Device, the more de- devices of integration, other body apparatus.In the present embodiment, as shown in Fig. 2, the load can be equivalent to
Three capacitance C3 and resistance R, also, resistance R is adjustable resistance, the 3rd capacitance C3 and the resistance R are in parallel；First electricity
Hold C1, the inductance L1 and resistance R composition resonant tanks, the 3rd capacitance C3 is used for storage energy and by the energy
It is supplied to the resonant tank.
DC power source unit S1 provides stable DC high voltage output, and output voltage range is generally tens KV, its electricity
Source form includes but not limited to high-frequency direct-current power supply, power frequency single phase poaer supply, power frequency three phase mains etc..More specifical embodiment,
Referring to attached drawing 3, in the present embodiment, what DC power source unit S1 was selected is high-frequency direct-current power supply, in particular, it should is electricity
Dedusting high-frequency direct-current power supply, it is high that the high-frequency direct-current power supply includes the first current rectifying and wave filtering circuit 1, the first inverter circuit 2 and first
Frequency rectification transformer road 3, first current rectifying and wave filtering circuit 1, first inverter circuit 2 and first high-frequency rectification become circuit
3 are sequentially connected in series, and first high-frequency rectification becomes both ends of the both ends of circuit 3 respectively with the first capacitance C1 and connects；Its is whole
Operation principle is：Alternating current power distribution gives first current rectifying and wave filtering circuit 1, here, alternating current is three-phase 380V voltages, described
One current rectifying and wave filtering circuit 1 carries out alternating current power distribution rectifying and wave-filtering and produces the first DC voltage；First inverter circuit 2 will
First DC voltage carries out inversion conversion and produces the first ac high-voltage；First high-frequency rectification becomes circuit 3 by the friendship
Galvanic electricity is pressed into horizontal high voltage rectification, produces DC voltage, and the output voltage of high-frequency direct-current power supply is as shown in Figure 4.
In the present embodiment, the stimuli subsystem S2 includes the second current rectifying and wave filtering circuit 4, the second inverter circuit 5 and the
Two high frequency transformer units 6, second current rectifying and wave filtering circuit 4, the second inverter circuit 5 and the second high frequency transformer unit 6 according to
Secondary series connection, one end of the second high frequency transformer unit 6 connect the second capacitance C2, the second high frequency transformer unit
6 other end connects the load L；Alternating current power distribution gives second current rectifying and wave filtering circuit 4, second current rectifying and wave filtering circuit
4 pairs of alternating currents carry out rectifying and wave-filtering and produce the second DC voltage；Second inverter circuit 5 by second DC voltage into
Row inversion conversion produces the second ac high-voltage；The primary coil electricity of the high frequency transformer Tr2 of the second high frequency transformer unit 6
The output terminal of second inverter circuit 5 is connected, one end of secondary coil connects the second capacitance, another termination of secondary coil
Ground, the second high frequency transformer unit give the second ac high-voltage transformation, produce high-frequency ac pulse, its voltage exported is as schemed
Shown in 5.
Referring to the drawings 3, first current rectifying and wave filtering circuit 1 is three-phase bridge full-bridge rectification filter circuit, and the first rectification is filtered
Wave circuit 1 includes diode D1-D6 totally 6 diodes, inductance L2 and inductance L3 and capacitance C4, diode D1 and diode D4 strings
Connection, the anode of the cathode connecting diode D4 of diode D1, one end of the anode series capacitance C1 of diode D1, diode D4's
One end of cathode series capacitance C1, diode D2 and diode D5 series connection, the anode of the cathode connecting diode D5 of diode D2,
One end of the anode series capacitance C1 of diode D2, one end of the cathode series capacitance C1 of diode D5, diode D3 and two poles
Pipe D6 connects, the anode of the cathode connecting diode D6 of diode D3, one end of the anode series capacitance C1 of diode D3, two poles
One end of the cathode series capacitance C1 of pipe D6, the A of three-phase 380V voltages are electrically connected in the connection of diode D1 and diode D4
On conducting wire, B is electrically connected in the connecting wire of diode D2 and diode D5, and C is electrically connected in diode D3 and diode
In the connecting wire of D6, the first current rectifying and wave filtering circuit 1 exports the first DC voltage to three-phase electricity ABC rectifications；
First inverter circuit 2 is H-bridge inverter circuit, and IGBT1-IGBT4 totally four is included in the first inverter circuit 2
Insulated gate bipolar transistor and capacitance C5, the G extremely grid input control ends of insulated gate bipolar transistor, C extremely current collections
Pole, E extremely emitters.The G poles connection control system of IGBT1-IGBT4, by the work shape of control system control IGBT1-IGBT4
State.IGBT1 connects with IGBT3, and the E poles of IGBT1 and the C poles of IGBT3 connect, and become again with high frequency after its tie point series capacitance C2
One end of depressor Tr1 primary coils is connected；IGBT2 connects with IGBT4, and the E poles of IGBT2 and the C poles of IGBT4 connect, it is connected
Point is connected with the other end of high frequency transformer Tr1 primary coils, and the C of IGBT1, ITBT2 are extremely in parallel, with the first current rectifying and wave filtering circuit
1 cathode is connected, and the E of IGBT3, IGBT4 are extremely in parallel, is connected with the anode of the first current rectifying and wave filtering circuit 1.During work, IGBT1 with
IGBT4 is one group while work, and IGBT2 and IGBT3 are one group while work, is worked alternatively between two groups, forms H
The first DC voltage after first current rectifying and wave filtering circuit, 1 rectification is carried out inversion conversion by bridge inverter circuit, H-bridge inverter circuit
Produce the first ac high-voltage；
First high-frequency rectification, which becomes circuit 3, includes high frequency transformer Tr1 and bridge-type genotron group, and the high frequency becomes
The primary coil of depressor Tr1 is electrically connected the output terminal of first inverter circuit 2, the secondary wire of the high frequency transformer Tr1
The circle series connection bridge-type genotron group is simultaneously electrically connected the first capacitance C1.More specifically, bridge-type genotron group
For full-bridge type genotron group, it includes D7-D10 totally four diodes, diode D7 series diode D9, diode D8 strings
The cathode of the anode connection diode D9 of union II pole pipe D10, diode D7, the cathode of the cathode connecting diode D8 of diode D7
One end of the first capacitance C1 is connected afterwards, and diode D7 connects high frequency transformer Tr1 secondary coils with the tie point of diode D9
One end, the anode of diode D8 connect the cathode of diode D10, connect after the anode of the anode connection diode D10 of diode D9
The other end of the first capacitance C1 is connect, diode D8 connects the another of high frequency transformer Tr1 secondary coils with the tie point of diode D10
One end；First ac high-voltage of generation is input in the primary coil of the high frequency transformer Tr1 by first inverter circuit,
Secondary coil induces ac high-voltage at this time, and the ac high-voltage induced is formed adjustable through bridge type genotron group rectification
Positive polarity DC voltage, positive polarity DC voltage at this time be DC power source unit S1 produce enter self-resonance couple it is humorous
The DC voltage to shake in circuit, as shown in Figure 4.
Here, second current rectifying and wave filtering circuit 4 is three-phase bridge full-bridge rectification filter circuit, and with reference to shown in Fig. 3, second
Current rectifying and wave filtering circuit 4 includes diode D11-D16 totally 6 diodes, inductance L4 and inductance L5, diode D11 and diode D14
Series connection, the anode of the cathode connecting diode D14 of diode D11, one end of the anode series inductance L4 of diode D11, two poles
One end of the cathode series inductance L5 of pipe D14, diode D12 and diode D15 series connection, the cathode of diode D12 connect two poles
The anode of pipe D15, one end of the anode inductance L4 of diode D12, one end of the cathode series inductance L4 of diode D12, two poles
Pipe D13 and diode D16 series connection, the anode of the cathode connecting diode D16 of diode D13, the anode series electrical of diode D13
Feel one end of L4, one end of the cathode series inductance L5 of diode D16, three-phase 380V voltages A be electrically connected in diode D11 and
In the connecting wire of diode D14, B is electrically connected in the connecting wire of diode D12 and diode D15, and C is electrically connected
In the connecting wire of diode D14 and diode D16, the second current rectifying and wave filtering circuit 4 exports direct current to three-phase 380V voltage commutations
Voltage；
Second inverter circuit 5 is H-bridge inverter circuit, and IGBT5-IGBT8 totally four is included in the second inverter circuit 5
Insulated gate bipolar transistor and capacitance C6, the G extremely grid input control ends of insulated gate bipolar transistor, C extremely current collections
Pole, E extremely emitters.The G poles connection control system of IGBT5-IGBT8, by the work shape of control system control IGBT5-IGBT8
State.IGBT5 connects with IGBT7, and the E poles of IGBT5 and the C poles of IGBT7 connect, high with second again after its tie point series capacitance C6
Frequency power transformer unit 6 is connected；IGBT6 connects with IGBT8, and the E poles of IGBT6 and the C poles of IGBT8 connect, its tie point and second
High frequency transformer unit 6 is connected, and the C of IGBT5, ITBT6 are extremely in parallel, are connected with the cathode of the second current rectifying and wave filtering circuit 4, IGBT3,
The E of IGBT4 is extremely in parallel, is connected with the anode of the second current rectifying and wave filtering circuit 4.During work, IGBT5 and IGBT8 is for one group and same
When work, IGBT6 and IGBT7 are one group while work, is worked alternatively between two groups, forms H-bridge inverter circuit, H bridges are inverse
Become circuit the second DC voltage progress inversion conversion the second exchange of generation after 4 rectification of the second current rectifying and wave filtering circuit is high
Pressure, as shown in Figure 5.
After stimuli subsystem S2 sends ac high-voltage pulse, load and shake is produced between L and self-resonance coupled resonance circuit 7
Swing, as shown in fig. 6, in figure, waveform 1 is the voltage waveform for loading L, and what waveform 2 represented is the impulse waveform of stimuli subsystem S2,
Its oscillation amplitude Vp is determined that resonance returns on the premise of coupling circuit parameter is certain by stimuli subsystem S2 bolus injection energy
The cycle of oscillation T on road is determined that decay duration T0 by equivalent capacity i.e. the 3rd capacitance C3 of resonant tank parameter C1, L1 and load L
Determined, can be simply interpreted as by loading the characteristic of L and the internal resistance of C1, L1：When hardware is fixed, the concussion cycle is just fixed,
Because circuit is lossy, concussion can decay, and the time span for shaking decay is determined by the equivalent resistance in circuit, and loss has resistance
Produce, load, C1, L1 have equivalent resistance.
The pulse frequency of stimuli subsystem S2 increase to 1/T it is close when, stimuli subsystem S2 will be produced with resonant tank
Resonance, the amplitude Vp of output at this time to load L will increased dramatically, and be referred to Fig. 5, the ripple when single that Fig. 5 is represented shakes
Shape, when pulse frequency is lifted, concussion twice can be overlapping, and overlapping is more, and amplitude Vp will be bigger, and pulse frequency is solid with concussion
Have frequency it is consistent when, amplitude Vp is maximum, and finally, the pulse frequency by adjusting stimuli subsystem S2 can control the resonance of resonance
Intensity, so as to control the size of amplitude Vp.It is thereby achieved that the capacity usage ratio of load is high：Load is joined with its capacitance characteristic
With resonance, the energy of load is recycled, and utilization rate is high；To be shaken using the natural resonance frequency of load-side, resonant frequency is high,
Frequency limits from switching device.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of its parts and components, be named
Title etc. can be different.The equivalent or simple change that all construction, feature and principles according to described in inventional idea of the present invention are done, is wrapped
Include in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted in a similar way, without departing from structure of the invention or surmounts this
Scope as defined in the claims, is within the scope of protection of the invention.
Claims (10)
1. a kind of load-side series resonance high voltage power supply, connection load, it is characterised in that the load-side series resonance high-voltage electricity
Source includes DC power source unit, stimuli subsystem, the first capacitance, inductance and the second capacitance, one end of the DC power source unit
First capacitance and the inductance are connected respectively, and the other end of the inductance connects the load and the described second electricity respectively
Hold, one end of stimuli subsystem described in second capacitance connection, the other end of the DC power source unit, first capacitance
The other end, the other end of the load and the other end of the stimuli subsystem be grounded respectively；
First capacitance, the inductance and the load composition resonant tank, the DC power source unit are resonance electricity
Road provides high direct voltage output, and the stimuli subsystem provides driving voltage for the resonant tank；
First capacitance, the inductance and second capacitance composition self-resonance coupled resonance circuit；
After the stimuli subsystem sends high-frequency ac pulse, produced between the load and the self-resonance coupled resonance circuit
Concussion, the pulse frequency by adjusting the stimuli subsystem controls the resonant intensity in the resonant tank, and then controls and swash
Encourage the size that amplitude is shaken in source unit.
2. load-side series resonance high voltage power supply according to claim 1, it is characterised in that the DC power source unit is
Any one of high-frequency direct-current power supply, power frequency single phase poaer supply and power frequency three phase mains.
3. load-side series resonance high voltage power supply according to claim 2, it is characterised in that the high-frequency direct-current power supply bag
Include the first current rectifying and wave filtering circuit, the first inverter circuit and the first high-frequency rectification become circuit, first current rectifying and wave filtering circuit, described
First inverter circuit and first high-frequency rectification become circuit and are sequentially connected in series, and first high-frequency rectification becomes the both ends difference of circuit
Connected with the both ends of first capacitance；
Alternating current power distribution gives first current rectifying and wave filtering circuit, and first current rectifying and wave filtering circuit carries out rectification to alternating current power distribution
Filter and produce the first DC voltage；
First DC voltage is carried out inversion conversion and produces the first ac high-voltage by first inverter circuit；
First high-frequency rectification becomes circuit and first ac high-voltage is carried out high-voltage rectifying, produces DC voltage.
4. load-side series resonance high voltage power supply according to claim 1, it is characterised in that the stimuli subsystem includes
Second current rectifying and wave filtering circuit, the second inverter circuit and the second high frequency transformer unit, it is second current rectifying and wave filtering circuit, second inverse
Become circuit and the second high frequency transformer unit is sequentially connected in series, one end connection second electricity of the second high frequency transformer unit
Hold, the other end of the second high frequency transformer unit connects the load；
Alternating current power distribution gives second current rectifying and wave filtering circuit, and second current rectifying and wave filtering circuit carries out rectifying and wave-filtering to alternating current
And produce the second DC voltage；
Second DC voltage is carried out inversion conversion and produces the second ac high-voltage by second inverter circuit；
The second high frequency transformer unit includes high frequency transformer, and the primary coil of the high frequency transformer is electrically connected described the
The output terminal of two inverter circuits, one end of secondary coil connect the second capacitance, the other end connection the earth of secondary coil, and described the
Two high frequency transformer units give the second ac high-voltage transformation, produce high-frequency ac pulse.
5. load-side series resonance high voltage power supply according to claim 1, it is characterised in that the load equivalent is the 3rd
Capacitance and resistance, the 3rd capacitance and the resistor coupled in parallel；
First capacitance, the inductance and resistance composition resonant tank, the 3rd capacitance are used for storage energy and will
The energy is supplied to the resonant tank.
6. load-side series resonance high voltage power supply according to claim 3, it is characterised in that the first rectifying and wave-filtering electricity
Road is three-phase bridge full-bridge rectification filter circuit.
7. load-side series resonance high voltage power supply according to claim 3, it is characterised in that first inverter circuit is
H-bridge inverter circuit.
8. load-side series resonance high voltage power supply according to claim 3, it is characterised in that first high-frequency rectification becomes
Circuit includes high frequency transformer and bridge-type genotron group, and the primary coil of the high frequency transformer is electrically connected described first
The output terminal of inverter circuit, the secondary coil series connection bridge-type genotron group of the high frequency transformer are simultaneously electrically connected institute
State the first capacitance；
First ac high-voltage of generation is input in the primary coil of the high frequency transformer by first inverter circuit, at this time
Secondary coil induces ac high-voltage, and the ac high-voltage induced is adjustable just through bridge type genotron group rectification, formation
Polarity DC voltage.
9. load-side series resonance high voltage power supply according to claim 4, it is characterised in that the second rectifying and wave-filtering electricity
Road is three-phase bridge full-bridge rectification filter circuit.
10. load-side series resonance high voltage power supply according to claim 4, it is characterised in that second inverter circuit
For H-bridge inverter circuit.
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| CN201711365499.6A CN107947594A (en) | 2017-12-18 | 2017-12-18 | Load-side series resonance high voltage power supply |
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| CN201711365499.6A CN107947594A (en) | 2017-12-18 | 2017-12-18 | Load-side series resonance high voltage power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500221A (en) * | 2019-09-20 | 2019-11-26 | 韦伟平 | A kind of series resonance firing circuit of lean combustion engine and its work, control method |
| CN113684491A (en) * | 2021-09-07 | 2021-11-23 | 柳大海 | Water capacitor high-frequency decomposition system |
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