CN203617910U - AC-AC power converting device - Google Patents

AC-AC power converting device Download PDF

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Publication number
CN203617910U
CN203617910U CN201320780634.4U CN201320780634U CN203617910U CN 203617910 U CN203617910 U CN 203617910U CN 201320780634 U CN201320780634 U CN 201320780634U CN 203617910 U CN203617910 U CN 203617910U
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CN
China
Prior art keywords
diode
junction
electric capacity
diverter switch
inductance
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Expired - Fee Related
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CN201320780634.4U
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Chinese (zh)
Inventor
潘晴财
陈伯彦
洪大胜
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HEP Tech Co Ltd
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HEP Tech Co Ltd
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Priority to CN201320780634.4U priority Critical patent/CN203617910U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies 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

Abstract

An AC-AC power converting device comprises a rectifier circuit, an active power factor corrector circuit, an automatic charge charging-discharging circuit and an inverter circuit; the rectifier circuit is connected with an AC power supply, and the rectifier circuit receives electric energy of the AC power supply and converts the electric energy into DC electric energy to output; the active power factor corrector circuit is connected with the rectifier circuit, and the active power factor corrector circuit receives the electric energy output from the rectifier circuit and outputs the electric energy after improving a power factor; the automatic charge charging-discharging circuit is connected with the active power factor corrector circuit, and the automatic charge charging-discharging circuit receives the electric energy output from the active power factor corrector circuit and outputs the electric energy after adjustment; and the inverter circuit is connected with the automatic charge charging-discharging circuit and a load, and the inverter circuit receives the electric energy output from the automatic charge charging-discharging circuit, converts the electric energy into AC electric energy and then outputs to the load.

Description

Hand over AC power source converting apparatus
Technical field
The utility model is relevant with power supply conversion, refers to especially a kind of AC power source converting apparatus of handing over.
Background technology
Press, traditional friendship AC power source converting apparatus includes a rectification circuit and an output capacitance and an inverter conventionally, an AC power is converted to this rectification circuit to a DC power supply, this output capacitance is connected across the output of this rectification circuit, and after this inverter is connected with output capacitance, then be connected to a load.
This friendship AC power source converting apparatus is in the time of start, and the input voltage of this AC power and input current often can be in the different situations of phase place, causes that power factor is low and electric current total harmonic distortion is serious.In addition, only at the voltage of the DC power supply of this rectification circuit output during higher than the voltage of this output capacitance, just can fill this output capacitance can, therefore cause output capacitance to fill energy time cripetura, cause the diode current flow time in this rectification circuit also to shorten thereupon, and then the peak value that causes On current with increase, cause outside input current waveform distortion and power factor reduction, also can cause the current response rate of this inverter to be affected, the AC energy serious distortion that makes last output give load.
Utility model content
The purpose of this utility model is to provide a kind of AC power source converting apparatus of handing over, and except having the advantage of high power factor, can take into account the object of quick response and low ripple output voltage simultaneously.
For achieving the above object, the friendship AC power source converting apparatus that the utility model provides in order to electric energy conversion that will an AC power after for giving a load, and comprise a rectification circuit, an active power factor correction circuit, automatic electric charge extraction (auto charge pump) circuit and inversion (Power inverter) circuit.Wherein, this rectification circuit input side is connected with this AC power, in order to receive after the electric energy of this AC power, converts the electric energy of direct current to and exports from its outlet side; In addition, this outlet side has a positive terminal and a negative electricity end.This active power factor correction circuit is connected with the output of this rectification circuit, exports, and include one first diode after receiving the electric energy of this rectification circuit output the bring to power factor, and its negative pole is connected with this positive terminal; One first electric capacity, its one end is connected with the positive pole of this first diode; One electronic switch, its one end is connected with this first electric capacity other end, and this electronic switch other end is connected with this negative electricity end; One first inductance, its one end is connected with the negative pole of this first diode and the junction of this positive terminal, and this first inductance other end is connected with the junction of this first electric capacity and this electronic switch; One second diode, its positive pole is connected with the junction of this electronic switch and this negative electricity end; One second inductance, its one end is connected with the junction anodal and this first electric capacity of this first diode, and the other end is connected with the negative pole of this second diode.This automatic electric charge extraction circuit is connected with this active power factor correction circuit, after receiving the electric energy of this active power factor correction circuit output, adjust exporter, and include one the 3rd diode, its positive pole is connected with the negative pole of this second diode and the junction of this second inductance, and negative pole is electrically connected with the positive pole of this second inductance, this first diode and the junction of this first electric capacity; One second electric capacity, its one end connects the negative pole of the 3rd diode; One the 3rd inductance, its one end connects the other end of this first electric capacity, and one end is electrically connected to the junction of negative pole and this second electric capacity of the 3rd diode in addition; One equivalent capacity, its one end is connected with the junction of the 3rd inductance with this second electric capacity, and the other end is connected with positive pole, the negative pole of this second diode and the junction of this second inductance of the 3rd diode; This inverter circuit is electrically connected the equivalent capacity of this automatic electric charge extraction circuit, and is connected with this load, in order to receive the electric energy of this automatic electric charge extraction circuit output, and converts to after the AC energy of preset frequency, and this load is given in output.
Wherein, this equivalent capacity is made up of one the 3rd electric capacity and one the 4th electric capacity, and the 3rd electric capacity is connected with one end of the 4th electric capacity, and this inverter circuit includes one first diverter switch and one second diverter switch, and this first diverter switch is connected with one end of this second diverter switch; In addition, the other end of the 3rd electric capacity and this first diverter switch is connected with the junction of the 3rd inductance with this second electric capacity, and the other end of the 4th electric capacity and this second diverter switch and the positive pole of the 3rd diode, the negative pole of this second diode and the junction of this second inductance are connected; Moreover one end of this load is connected to the junction of the 3rd electric capacity and the 4th electric capacity, one end is connected to the junction of this first diverter switch and this second diverter switch in addition.
Wherein, this inverter circuit includes one first diverter switch, one second diverter switch, one the 3rd diverter switch and one the 4th diverter switch; This first diverter switch is connected with one end of the 3rd diverter switch, and this second diverter switch is connected with one end of the 4th diverter switch; In addition, the other end of this first diverter switch and this second diverter switch is connected with the junction of the 3rd inductance with this equivalent capacity, this second electric capacity, and the other end of the 3rd diverter switch and the 4th diverter switch is connected with positive pole, the negative pole of this second diode and the junction of this second inductance of this equivalent capacity, the 3rd diode; Moreover one end of this load is connected to the junction of this first diverter switch and the 3rd diverter switch, one end is connected to the junction of this second diverter switch and the 4th diverter switch in addition.
Wherein, this automatic electric charge extraction circuit also includes one the 4th diode, its one end is connected to the junction of negative pole and this second electric capacity of the 3rd diode, the other end is connected to the 3rd inductance, and makes the 3rd inductance electrically be connected to the junction of negative pole and this second electric capacity of the 3rd diode by the 4th diode.
Wherein, the positive pole of the 4th diode is connected to the junction of negative pole and this second electric capacity of the 3rd diode, and its negative pole is connected to the 3rd inductance.
Wherein, this automatic electric charge extraction circuit also includes one the 5th diode, its one end is connected to the junction of anodal and this first electric capacity of this second inductance, this first diode, the other end is connected to the junction of negative pole and this second electric capacity of the 3rd diode, and the negative pole of the 3rd diode and this second electric capacity are electrically connected by the 5th diode and this second inductance, the positive pole of this first diode and the junction of this first electric capacity.
Wherein, the positive pole of the 5th diode is connected to the junction of anodal and this first electric capacity of this second inductance, this first diode, and negative pole is connected to the junction of negative pole and this second electric capacity of the 3rd diode.
By above-mentioned design, just can in the time that changing, improve power supply power factor, take into account the advantage outside quick response and low ripple output voltage more simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the friendship AC power source converting apparatus of the utility model preferred embodiment;
The equivalent circuit diagram that Fig. 2 A, B to Fig. 5 A, B are each step;
Fig. 6 is the circuit diagram of the friendship AC power source converting apparatus of another preferred embodiment of the utility model.
Symbol description in accompanying drawing:
10 rectification circuits, 12 positive terminal, 14 negative electricity ends, 20 active power factor correction circuits, 30 automatic electric charge extraction circuit, 40,50 inverter circuits, 100 AC power, 200 loads, C1~C5 electric capacity, L1~L3 inductance, D1~D5 diode, SW electronic switch, S1~S6 diverter switch.
Embodiment
For being illustrated more clearly in the utility model, lift preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Shown in please refer to the drawing 1, the friendship AC power source converting apparatus of the utility model one preferred embodiment, in order to by after the electric energy conversion of an AC power 100, is exported for giving a load 200.This friendship AC power source converting apparatus comprises a rectification circuit 10, an active power factor correction circuit 20, automatic electric charge extraction (auto charge pump) circuit 30 and an inversion (Power inverter) circuit 40.Wherein:
This rectification circuit 10 is a bridge rectifier in the present embodiment, and input side is connected with this AC power 100, in order to receive after the electric energy of this AC power 100, converts the electric energy of direct current to and from its outlet side output.In addition, this outlet side has been distinguished a positive terminal 12 and a negative electricity end 14 according to the polarity of power supply.
This active power factor correction circuit 20 is connected with the output of this rectification circuit 10, after receiving electric energy that this rectification circuit 10 exports the bring to power factor, export, and include two diodes (the first diode D1 and the second diode D2), an electric capacity (the first capacitor C 1), two inductance (the first inductance L 1 and the second inductance L 2) and an electronic switch SW.The annexation of those assemblies is as described below:
The negative pole of this first diode D1 is connected with this positive terminal 12.
This first capacitor C 1 one end is connected with the positive pole of this first diode D1.
This electronic switch SW one end is connected with this first capacitor C 1 other end, and the other end is connected with this negative electricity end 14.
This first inductance L 1 one end is connected with the negative pole of this first diode D1 and the junction of this positive terminal 12, and this first inductance L 1 other end is connected with the junction of this first capacitor C 1 and this electronic switch SW.
This second diode D2 is anodal to be connected with the junction of this electronic switch SW and this negative electricity end 14.
These the second inductance L 2 one end are connected with the junction anodal and this first capacitor C 1 of this first diode D1, and the other end is connected with the negative pole of this second diode D2.
This automatic electric charge extraction circuit 30 is connected with this active power factor correction circuit 20, after receiving the electric energy that this active power factor correction circuit 20 exports, adjust output, and include three diodes (the 3rd diode D3, the 4th diode D4 and the 5th diode D5), three electric capacity (the second capacitor C 2, the 3rd capacitor C 3 and the 4th capacitor C 4) and an inductance (the 3rd inductance L 3).The annexation of those assemblies is as described below:
The positive pole of the 5th diode D5 is connected to the junction of anodal and this first capacitor C 1 of this second inductance L 2, this first diode D1.
The positive pole of the 3rd diode D3 is connected with the negative pole of this second diode D2 and the junction of this second inductance L 2, and negative pole is connected the junction electric connection with positive pole, this second inductance L 2 and this first capacitor C 1 by the 5th diode D5 and this first diode D1 with the negative pole of the 5th diode D2.
These the second capacitor C 2 one end are connected with the junction of the negative pole of the 3rd diode D3 and the negative pole of the 5th diode D5.
The positive pole of the 4th diode D4 is connected with negative pole, the negative pole of the 5th diode D5 and the junction of this second capacitor C 2 of the 3rd diode D3.
The 3rd inductance L 3 one end connect the other end of this first capacitor C 1, one end is connected with the negative pole of the 4th diode D4 in addition, and is electrically connected to negative pole, the negative pole of the 5th diode D5 and the junction of this second capacitor C 2 of the 3rd diode D3 by the 4th diode D4.
The 3rd capacitor C 3 is connected with one end of the 4th capacitor C 4, and the other end of the 3rd capacitor C 3 is connected with the junction of the 3rd inductance L 3 with this second capacitor C 2, and the other end of the 4th capacitor C 4 is connected with the positive pole of the 3rd diode D3, the negative pole of this second diode D2 and the junction of this second inductance L 2.
This inverter circuit 40 is electrically connected these automatic electric charge extraction circuit 30 and is also connected with this load 200, the electric energy of exporting in order to receive this automatic electric charge extraction circuit 30, and after converting the AC energy of preset frequency to, this load 200 is given in output.In the present embodiment, this inverter circuit 40 is that to be half-bridge be framework and include one first diverter switch S1 and one second diverter switch S2, and this first diverter switch S1 is connected with one end of this second diverter switch S2.In addition, the other end of this first diverter switch S1 is connected with the junction of the 3rd inductance L 3 with this second capacitor C 2, the 3rd capacitor C 3, and the other end of this second diverter switch S2 is connected with the positive pole of the 4th capacitor C 4, the 3rd diode D3, the negative pole of this second diode D2 and the junction of this second inductance L 2.
In the present embodiment, those capacitor C 1~C4, those inductance L 1~L3, input voltage, this electronic switch SW and the switching frequency of those diverter switches S1, S2 and the specification of this load 200 are as shown in table 1:
Table 1
The first inductance L 1 300μH
The second inductance L 2 300μH
The 3rd inductance L 3 1000mH
The first capacitor C 1 200μF
The second capacitor C 2 8nF
The 3rd capacitor C 3 100μF
The 4th capacitor C 4 100μF
Input voltage vin 220Vrms
Electronic switch SW switching frequency 100KHz
The switching frequency of diverter switch S1, S2 200Hz
Load resistance 100Ω
Thus, design and specification by said structure, when use, just one end of this load 200 is connected to the junction of the 3rd capacitor C 3 and the 4th capacitor C 4, other one end of load 200 is connected to the junction of this first diverter switch S1 and this second diverter switch S2, recycle following power conversion method, just can reach raising power factor, take into account the effect of quick response and low ripple output voltage, and the method include the following step simultaneously:
A, refer to Fig. 2 A and Fig. 2 B, this electronic switch of conducting SW, make the direct current that this rectification circuit 10 is exported fill energy to this first inductor L1, and the energy storage of this first capacitor C 1 is filled this second inductor L2 can, and this second capacitor C 2 is filled energy with the energy storage of the 3rd inductance L 3 to the 3rd capacitor C 3 and the 4th capacitor C 4, make the 3rd capacitor C 3 and the energy storage of the 4th capacitor C 4 release energy by this inverter circuit 40 to this load.In addition, if hand over AC power source converting apparatus to move in positive half wave conducting state, the second diverter switch S2 conducting, now the 4th capacitor C4 releases energy to this load 200, and its equivalent electric circuit is as shown in Figure 2 A.If hand over AC power source converting apparatus to move in negative half-wave conducting state, the first diverter switch S1 conducting, now, for the 3rd capacitor C3 releases energy to this load 200, its equivalent electric circuit is as shown in Figure 2 B.
B, refer to Fig. 3 A and Fig. 3 B, disconnect the direct current that this electronic switch SW exports to block this rectification circuit 10, make the energy storage of this first inductance L 1 fill energy to this first capacitor C 1, and make the energy storage of this second inductance L 2 fill energy to the 3rd inductance L 3 and this second capacitor C 2, and the resonant circuit forming by this second capacitor C 2 and the 3rd inductance L 3, the energy storage of this second inductance L 2 is conducted to the 3rd capacitor C 3 and the 4th capacitor C 4, make the 3rd capacitor C 3 and the energy storage of the 4th capacitor C 4 continue by this inverter circuit 40, this load 200 to be released to energy according to positive half wave or negative half-wave conducting state.
C, refer to Fig. 4 A and Fig. 4 B, this first inductance L 1 stops releasing after energy, this first diode D1 cut-off, and this second inductance L 2 stops releasing after energy, the 5th diode D5 cut-off.Now, this second capacitor C 2 forms resonant circuit with the 3rd inductance L 3, so that the energy storage of the 3rd inductance L 3 is filled energy to this second capacitor C 2, and make the cross-pressure polarity inversion of this second capacitor C 2, and the 3rd capacitor C 3 continues by this inverter circuit 40, this load 200 to be released to energy according to positive half wave or negative half-wave conducting state with the energy storage of the 4th capacitor C 4.
D, in the time that the cross-pressure of the 3rd inductance C3 is greater than total cross-pressure of the 3rd capacitor C 3 and the 4th capacitor C 4, the 3rd diode D3 conducting, make this second capacitor C 2 and the 3rd inductance L 3 produce the voltage reverse with step C, and the 3rd capacitor C 3 and the 4th capacitor C 4 are filled to energy, make the 3rd capacitor C 3 and the energy storage of the 4th capacitor C 4 continue by this inverter circuit 40, this load 200 to be released to energy according to positive half wave or negative half-wave conducting state.
In addition, steps A of every execution, to step D, has represented the start in a cycle.Therefore in the situation that this friendship AC power source converting apparatus continues start, after step D, just continue repeated execution of steps A to step D, until this friendship AC power source converting apparatus stops start.
Thus, by the design of this above-mentioned automatic electric charge extraction circuit 30, in each actuation cycles, the cross-pressure of this second capacitor C 2 can automatically provide negative potential, and conducting the 3rd diode D3, so that the 3rd integrated circuit structural change before and after diode D3 conducting, and can reach the object of quick response and low ripple output voltage, the while can reach by the switching of this electronic switch SW the object of the bring to power factor.
In addition, the design of the 4th diode D4 and the 5th diode D5 also can prevent respectively that circuit from producing backflow and affecting the start of this active power factor correction circuit 20 and this automatic electric charge extraction circuit 30 effectively, and then integrated circuit is stablized more, use and promote this friendship AC power source converting apparatus energy conversion and the effect that suppresses ripple.Certainly, on reality is implemented, even if do not use the 4th diode D4 and the 5th diode D5 still can reach enhancement power supply conversion efficiency and suppress the object of ripple.
Moreover, friendship AC power source converting apparatus of the present utility model is except being applicable to the inverter circuit 40 of semibridge system, also be applicable to the inverter circuit 50 of full-bridge type as shown in Figure 6, and be that with aforementioned difference the inverter circuit 50 of full-bridge type has the first diverter switch S3 to the four diverter switch S6, the 3rd capacitor C 3 and the 4th capacitor C 4 are considered as an equivalent capacitor C 5, and annexation is as follows:
This first diverter switch S3 is connected with one end of the 3rd diverter switch S5, and this second diverter switch S4 is connected with one end of the 4th diverter switch S6.In addition, the other end of this first diverter switch S3 and this second diverter switch S4 is connected with the junction of the 3rd inductance L 3 with this equivalence capacitor C 5, this second capacitor C 2, and the other end of the 3rd diverter switch S5 and the 4th diverter switch S6 is connected with the positive pole of this equivalence capacitor C 5, the 3rd diode D3, the negative pole of this second diode D2 and the junction of this second inductance L 2.
Design by said structure, when use, just one end of this load 200 is connected to the junction of this first diverter switch S3 and the 3rd diverter switch S5, one end is connected to the junction of this second diverter switch S4 and the 4th diverter switch S6 in addition, and utilize aforesaid power-supply switching method, can reach equally the object of high power factor, fast response and low ripple output voltage.
The foregoing is only the better possible embodiments of the utility model, and in electrical characteristic and circuit operation principle identical in the situation that, the setting position of aforementioned each circuit unit and quantity and such as apply the utility model specification and equivalent electric circuit that claim is done changes, ought to be included in the scope of the claims of the present utility model.

Claims (7)

1. hand over an AC power source converting apparatus, by supplying to give a load after the electric energy conversion of an AC power, it is characterized in that, comprising:
One rectification circuit, its input side is connected with this AC power, receives after the electric energy of this AC power, converts the electric energy of direct current to and exports from its outlet side; This outlet side has a positive terminal and a negative electricity end;
One active power factor correction circuit, is connected with the output of this rectification circuit, exports after receiving the electric energy of this rectification circuit output the bring to power factor, includes:
One first diode, its negative pole is connected with this positive terminal;
One first electric capacity, its one end is connected with the positive pole of this first diode;
One electronic switch, its one end is connected with this first electric capacity other end, and this electronic switch other end is connected with this negative electricity end;
One first inductance, its one end is connected with the negative pole of this first diode and the junction of this positive terminal, and this first inductance other end is connected with the junction of this first electric capacity and this electronic switch;
One second diode, its positive pole is connected with the junction of this electronic switch and this negative electricity end;
One second inductance, its one end is connected with the junction anodal and this first electric capacity of this first diode, and the other end is connected with the negative pole of this second diode;
One automatic electric charge extraction circuit, is connected with this active power factor correction circuit, after receiving the electric energy of this active power factor correction circuit output, adjusts exporter, includes:
One the 3rd diode, its positive pole is connected with the negative pole of this second diode and the junction of this second inductance, and negative pole is electrically connected with the positive pole of this second inductance, this first diode and the junction of this first electric capacity;
One second electric capacity, its one end connects the negative pole of the 3rd diode;
One the 3rd inductance, its one end connects the other end of this first electric capacity, and one end is electrically connected to the junction of negative pole and this second electric capacity of the 3rd diode in addition;
One equivalent capacity, its one end is connected with the junction of the 3rd inductance with this second electric capacity, and the other end is connected with positive pole, the negative pole of this second diode and the junction of this second inductance of the 3rd diode;
One inverter circuit, is electrically connected the equivalent capacity of this automatic electric charge extraction circuit, and is connected with this load, in order to receive the electric energy of this automatic electric charge extraction circuit output, and converts to after the AC energy of preset frequency, and this load is given in output.
2. friendship AC power source converting apparatus according to claim 1, it is characterized in that, wherein this equivalent capacity is made up of one the 3rd electric capacity and one the 4th electric capacity, and the 3rd electric capacity is connected with one end of the 4th electric capacity, and this inverter circuit includes one first diverter switch and one second diverter switch, and this first diverter switch is connected with one end of this second diverter switch; In addition, the other end of the 3rd electric capacity and this first diverter switch is connected with the junction of the 3rd inductance with this second electric capacity, and the other end of the 4th electric capacity and this second diverter switch and the positive pole of the 3rd diode, the negative pole of this second diode and the junction of this second inductance are connected; Moreover one end of this load is connected to the junction of the 3rd electric capacity and the 4th electric capacity, one end is connected to the junction of this first diverter switch and this second diverter switch in addition.
3. friendship AC power source converting apparatus according to claim 1, is characterized in that, wherein this inverter circuit includes one first diverter switch, one second diverter switch, one the 3rd diverter switch and one the 4th diverter switch; This first diverter switch is connected with one end of the 3rd diverter switch, and this second diverter switch is connected with one end of the 4th diverter switch; In addition, the other end of this first diverter switch and this second diverter switch is connected with the junction of the 3rd inductance with this equivalent capacity, this second electric capacity, and the other end of the 3rd diverter switch and the 4th diverter switch is connected with positive pole, the negative pole of this second diode and the junction of this second inductance of this equivalent capacity, the 3rd diode; Moreover one end of this load is connected to the junction of this first diverter switch and the 3rd diverter switch, one end is connected to the junction of this second diverter switch and the 4th diverter switch in addition.
4. friendship AC power source converting apparatus according to claim 1, it is characterized in that, wherein this automatic electric charge extraction circuit includes one the 4th diode, its one end is connected to the junction of negative pole and this second electric capacity of the 3rd diode, the other end is connected to the 3rd inductance, and makes the 3rd inductance electrically be connected to the junction of negative pole and this second electric capacity of the 3rd diode by the 4th diode.
5. friendship AC power source converting apparatus according to claim 4, is characterized in that, wherein the positive pole of the 4th diode is connected to the junction of negative pole and this second electric capacity of the 3rd diode, and its negative pole is connected to the 3rd inductance.
6. friendship AC power source converting apparatus according to claim 1, it is characterized in that, wherein this automatic electric charge extraction circuit includes one the 5th diode, its one end is connected to the junction of anodal and this first electric capacity of this second inductance, this first diode, the other end is connected to the junction of negative pole and this second electric capacity of the 3rd diode, and the negative pole of the 3rd diode and this second electric capacity are electrically connected by the 5th diode and this second inductance, the positive pole of this first diode and the junction of this first electric capacity.
7. friendship AC power source converting apparatus according to claim 6, it is characterized in that, wherein the positive pole of the 5th diode is connected to the junction of anodal and this first electric capacity of this second inductance, this first diode, and negative pole is connected to the junction of negative pole and this second electric capacity of the 3rd diode.
CN201320780634.4U 2013-11-29 2013-11-29 AC-AC power converting device Expired - Fee Related CN203617910U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682720A (en) * 2013-11-29 2015-06-03 东林科技股份有限公司 Alternating current-alternating current power supply conversion device and conversion method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682720A (en) * 2013-11-29 2015-06-03 东林科技股份有限公司 Alternating current-alternating current power supply conversion device and conversion method thereof
WO2015078093A1 (en) * 2013-11-29 2015-06-04 东林科技股份有限公司 Ac-ac power source conversion device and conversion method thereof
US20160380549A1 (en) * 2013-11-29 2016-12-29 Hep Tech Co., Ltd. Ac-ac power source conversion device and conversion method thereof

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