CN205283423U - Three -phase PFC rectifier circuit - Google Patents
Three -phase PFC rectifier circuit Download PDFInfo
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- CN205283423U CN205283423U CN201620026249.4U CN201620026249U CN205283423U CN 205283423 U CN205283423 U CN 205283423U CN 201620026249 U CN201620026249 U CN 201620026249U CN 205283423 U CN205283423 U CN 205283423U
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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 utility model relates to a three -phase PFC rectifier circuit, including first to third inductance, first to third transformer, first to the 6th two direction switch, first to the 6th double diode current circuit and two electric capacity current circuit, three phase current's A, B, C are connected with first, second, third transformer through first, second, third inductance respectively mutually to it is connected to the GND end through first to the 6th two direction switch respectively after parallelly connected to be divided into positive and negative two parts via first, second, third transformer with every looks alternating current, the tie point of first two diodes to the 6th double diode current circuit is connected with first input to the 6th two direction switch respectively, two electric capacity current circuit with it is first to the 6th double diode current circuit parallel connection, and the tie point of two electric capacity of this pair electric capacity current circuit is connected to the GND end, and wherein, two electric capacity current circuit's wherein one end is held as BUS+, and the other end is held as BUS -. The utility model discloses a three -phase PFC structure, the device is small in quantity, and the lectotype is convenient, and the loss is little, and the ripple of total output is little, and is efficient, and the reliability is high.
Description
Technical field
The utility model belongs to three-phase PFC rectification field, particularly relates to a kind of three-phase PFC rectifying circuit.
Background technology
Along with the rise of new forms of energy industry, the especially extensive application of charging electric vehicle facility, power rectifier adopts three-phase PFC structure to be inevitable choice. Three-phase VIENNA structure is with its power factor height, and harmonic pollution is little, and volume is little, strong robustness, and the advantage advantages such as good stability are widely used.
Along with high-power, the market requirement of small volume, traditional three-phase PFC structure through simple and manage or increase-volume difficulty satisfy the demands. And it is big to there is output ripple, and loss is many, heating is concentrated, heat radiation difficulty, the problems such as power volume is big and parts selection is restricted, cost height.
Summary of the invention
The purpose of this utility model is that the device for the existence in existing three-phase PFC is many, cost high problem, propose a kind of three-phase PFC rectifying circuit, the feature that this three-phase PFC rectifying circuit has efficiency height, cost is low, reliability is high, reduce PFC volume simultaneously, to the modularization of product, miniaturization has very great help.
For achieving the above object, the technical solution of the utility model is: a kind of three-phase PFC rectifying circuit, comprises the first to the 3rd inductance, the first to the 3rd transformer, the first to the 6th two-way switch, the first to the 6th twin diode series circuit and two capacitor seriesing circuit; The A phase of three-phase supply through the first inductance, the first transformer after being divided into symmetrical two portions respectively through the first two-way switch, the 2nd two-way switch ground connection; The B phase of three-phase supply through the 2nd inductance, the 2nd transformer after being divided into symmetrical two portions respectively through the 3rd two-way switch, the 4th two-way switch ground connection; The C phase of three-phase supply through the 3rd inductance, the 3rd transformer after being divided into symmetrical two portions respectively through the 5th two-way switch, the 6th two-way switch ground connection; The tie point of two diodes of the described first to the 6th twin diode series circuit one end with the first to the 6th two-way switch is connected respectively, described pair of capacitor seriesing circuit and the described first to the 6th twin diode series circuit are connected in parallel respectively, and the tie point ground connection of the two of this pair of capacitor seriesing circuit electric capacity, wherein, wherein one end of two capacitor seriesing circuit is as positive direct-current bus, and the other end is as negative direct current bus.
In the utility model one embodiment, the A phase of described three-phase supply specifically connects pass: described first twin diode series circuit comprises be connected in series first, 7th diode, described 2nd twin diode series circuit comprises the be connected in series the 2nd, 8th diode, the A phase of described three-phase supply is connected with end of the same name and the secondary different name end of the first primary through the first inductance, the different name end of described first primary is connected to the anode of the first diode respectively, the negative electrode of the 7th diode, one end of first two-way switch, the end of the same name of described first transformer secondary output is connected to the anode of the 2nd diode respectively, the negative electrode of the 8th diode, one end of 2nd two-way switch, described first, the other end ground connection of the 2nd two-way switch.
In the utility model one embodiment, the B phase of described three-phase supply specifically connects pass: described 3rd twin diode series circuit comprises the be connected in series the 3rd, 9th diode, described 4th twin diode series circuit comprises the be connected in series the 4th, tenth diode, the B phase of described three-phase supply is connected with end of the same name and the secondary different name end of the 2nd primary through the 2nd inductance, the different name end of described 2nd primary is connected to the anode of the 3rd diode respectively, the negative electrode of the 9th diode, one end of 3rd two-way switch, the end of the same name of described 2nd transformer secondary output is connected to the anode of the 4th diode respectively, the negative electrode of the tenth diode, one end of 4th two-way switch, described 3rd, the another end ground connection of the 4th two-way switch.
In the utility model one embodiment, the C phase of described three-phase supply specifically connects pass: described 5th twin diode series circuit comprises the be connected in series the 5th, 11 diode, described 6th twin diode series circuit comprises the be connected in series the 6th, 12 diode, the C phase of described three-phase supply is connected with end of the same name and the secondary different name end of the 3rd primary through the 3rd inductance, the different name end of described 3rd primary is connected to the anode of the 5th diode respectively, the negative electrode of the 11 diode, one end of 5th two-way switch, the end of the same name of described 3rd transformer secondary output is connected to the anode of the 6th diode respectively, the negative electrode of the 12 diode, one end of 6th two-way switch, described 5th, the other end ground connection of the 6th two-way switch.
In the utility model one embodiment, described pair of capacitor seriesing circuit comprises be connected in series first, 2nd electric capacity, one end of described first electric capacity and the negative electrode of the first diode, the negative electrode of the 2nd diode, the negative electrode of the 3rd diode, the negative electrode of the 4th diode, the negative electrode of the 5th diode, the negative electrode of the 6th diode connects, described one end of 2nd electric capacity and the anode of the seven or two pole, the anode of the 8th diode, the anode of the 9th diode, the anode of the tenth diode, the anode of the 11 diode, the anode of the 12 diode connects, the other end of described first electric capacity and the other end ground connection of the 2nd electric capacity, wherein, one end of first electric capacity is as positive direct-current bus, one end of 2nd electric capacity is as negative direct current bus.
In the utility model one embodiment, described first to the 6th two-way switch is by a switching tube, four diode compositions, also being parallel with a diode on described switching tube, this diode is parasitic diode or compound diode, and described switching tube is MOS pipe or IGBT pipe.
In the utility model one embodiment, described first to the 6th two-way switch is by two switching tubes, two diode compositions, all being parallel with diode on described two switching tubes, this diode is parasitic diode or compound diode, and described two switching tubes are MOS pipe or IGBT pipe.
In the utility model one embodiment, described first to the 6th two-way switch is oppositely in series by two switching tubes, all being parallel with diode on described two switching tubes, this diode is parasitic diode or compound diode, and described two switching tubes are MOS pipe or IGBT pipe.
Compared to prior art, the utility model has following useful effect:
1, by often two portions parallel connection will be divided into mutually so that the current stress of switching tube and diode reduces;
2, pass through Interleaved control so that the fluctuation of two-part received current is complementary, reduce total received current fluctuation;
3, by adopting the end of the same name of transformer so that in positive-negative half-cycle transformer, magnetic flux is complementary, initiatively demagnetization, decreases loss;
4, with the use of the diode of two series connection being connected in parallel on output terminal so that electric current does not flow through two-way switch when main switch turns off, separately through this diode, flow through a diode less, and then reduce loss, improve efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model schematic circuit diagram.
Fig. 2 is the two-way switch schematic diagram of the utility model embodiment one
Fig. 3 is the two-way switch schematic diagram of the utility model embodiment two
Fig. 4 is the two-way switch schematic diagram of the utility model embodiment three.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is specifically described.
As Figure 1-4, a kind of three-phase PFC rectifying circuit of the present utility model, comprises the first to the 3rd inductance, the first to the 3rd transformer, the first to the 6th two-way switch, the first to the 6th twin diode series circuit and two capacitor seriesing circuit; The A phase of three-phase supply through the first inductance, the first transformer after being divided into symmetrical two portions respectively through the first two-way switch, the 2nd two-way switch ground connection; The B phase of three-phase supply through the 2nd inductance, the 2nd transformer after being divided into symmetrical two portions respectively through the 3rd two-way switch, the 4th two-way switch ground connection; The C phase of three-phase supply through the 3rd inductance, the 3rd transformer after being divided into symmetrical two portions respectively through the 5th two-way switch, the 6th two-way switch ground connection; The tie point of two diodes of the described first to the 6th twin diode series circuit one end with the first to the 6th two-way switch is connected respectively, described pair of capacitor seriesing circuit and the described first to the 6th twin diode series circuit are connected in parallel respectively, and the tie point ground connection of the two of this pair of capacitor seriesing circuit electric capacity, wherein, wherein one end of two capacitor seriesing circuit is as positive direct-current bus (+BUS), and the other end is as negative direct current bus (-BUS).
Technical solutions of the utility model are specifically told about below in conjunction with embodiment.
As shown in Figure 1, three-phase PFC rectifying circuit of the present utility model,
Comprise the first inductance L 1, the 2nd inductance L 2, the 3rd inductance L 3, first transformer T1, the 2nd transformer T2, the 3rd transformer T3, the first two-way switch K1, the 2nd two-way switch K2, the 3rd two-way switch K3, the 4th two-way switch K4, the 5th two-way switch K5, and the 6th two-way switch K6
The series circuit of the first diode D1 and the 7th diode D7;
The series circuit of the 2nd diode D2 and the 8th diode D8;
The series circuit of the 3rd diode D3 and the 9th diode D9;
The series circuit of the 4th diode D4 and the tenth diode D10;
The series circuit of the 5th diode D5 and the 11 diode D11;
The series circuit of the 6th diode D6 and the 12 diode D12;
The output capacitance that first electric capacity C1, the 2nd electric capacity C2 form after connecting;
The A of three-phase supply is connected to one end of the first inductance L 1, and the other end of the first inductance L 1 is connected to the elementary end of the same name of the first transformer T1 (1 pin) and secondary different name end (3 pin) respectively; The elementary different name end (2 pin) of first transformer T1 is connected to the anode of the first diode D1, the negative electrode of the 7th diode D7, one end of the first two-way switch K1 respectively; The end of the same name (4 pin) of the first transformer T1 level is connected to one end of the anode of the 2nd diode D2, negative electrode the 2nd two-way switch K2 of the 8th diode D8 respectively;
The B of three-phase supply is connected to one end of the 2nd inductance L 2, and the other end of the 2nd inductance L 2 is connected to the elementary end of the same name of the 2nd transformer T2 (1 pin) and secondary different name end (3 pin) respectively; The elementary different name end (2 pin) of 2nd transformer T2 is connected to the anode of the 3rd diode D3, the negative electrode of the 9th diode D9, one end of the 2nd two-way switch K2 respectively; The end of the same name (4 pin) of the 2nd transformer T2 level is connected to one end of the anode of the 4th diode D4, negative electrode the 2nd two-way switch K2 of the tenth diode D10 respectively;
The C of three-phase supply is connected to one end of the 3rd inductance L 3, and the other end of the 3rd inductance L 3 is connected to the elementary end of the same name of the 3rd transformer T3 (1 pin) and secondary different name end (3 pin) respectively; The elementary different name end (2 pin) of 3rd transformer T3 is connected to the anode of the 5th diode D5, the negative electrode of the 11 diode D11, one end of the 3rd two-way switch K3 respectively; The end of the same name (4 pin) of the 3rd transformer T3 level is connected to one end of the anode of the 6th diode D6, negative electrode the 3rd two-way switch K3 of the 12 diode D12 respectively;
The negative electrode of the negative electrode of the first diode D1, the negative electrode of the 2nd diode D2, the 3rd diode D3, the negative electrode of the 4th diode D4, the negative electrode of the 5th diode D5, the negative electrode of the 6th diode D6, one end of the first electric capacity C1 are connected;
The anode of the anode of the 7th diode D7, the anode of the 8th diode D8, the 9th diode D9, the anode of the tenth diode D10, the anode of the 11 diode D11, the anode of the 12 diode D12, one end of the 2nd electric capacity C2 are connected;
The other end of the first electric capacity C1, the other end of the 2nd electric capacity C2 ground connection respectively;
The other end of the other end of the first two-way switch K1, the other end of the 2nd two-way switch K2, the 3rd two-way switch K3, the other end of the 4th two-way switch K4, the other end of the 5th two-way switch K5, the other end of the 6th two-way switch K6 be connected after ground connection;
One end of first electric capacity C1 is+BUS, and one end of the 2nd electric capacity C2 is-BUS.
Embodiment 1(is as shown in Figure 2)
Further, described first two-way switch K1, the 2nd two-way switch K2, the 3rd two-way switch K3, the 4th two-way switch K4, the 5th two-way switch K5, and the 6th two-way switch K6, forming by the first switching tube Q1 and diode D1_1, diode D1_2, diode D1_3, diode D1_4, wherein a end, b end are the two ends of two-way switch.
Being parallel with diode on described first switching tube Q1, described diode is parasitic diode or compound diode, and described first switching tube Q1 is MOS pipe or IGBT pipe, and wherein a end, b end are the two ends of two-way switch.
Principle of work of the present invention:
Three-phase PFC rectifying circuit is a kind of AC-DC converter. Input adopts three-phase (A, B, C three-phase) alternating current source to power. In three-phase voltage, more advanced than B phase voltage phase place 120 �� of A phase voltage, more advanced than C phase voltage phase place 120 �� of B phase voltage, exports and has+BUS, GND ,-BUS three level.
For A phase,
As A phase voltage uAIt is in positive half cycle, when the first switching tube Q1 opens, uATo the armature winding charging of the first inductance L 1 and transformer T1, inductive current rises, and the first diode D1 bears back-pressure and is in disconnection state, the first electric capacity C1 voltage decline; When the first switching tube Q1 turns off, the first inductance L 1 and the first transformer T1's is oppositely elementary, uAWith the first inductance L 1, the first electric capacity C1 is charged by the primary voltage of transformer T1 jointly through the first diode D1, the electric current decline of the first inductance L 1, the first electric capacity C1 voltage rise.
As A phase voltage uAIt is in negative half cycle, when the 2nd switching tube Q2 opens, uABeing charged by the secondary winding of the first inductance L 1, first transformer T1, inductive current negative direction rises, and the 2nd diode D2 bears back-pressure and disconnects, the 2nd electric capacity C2 voltage decline; When 2nd switching tube Q2 turns off, the secondary winding voltage method phase of the first inductance L 1 and the first transformation T1, uAJointly by the 8th diode D8, the 2nd electric capacity C2 is charged with the secondary winding voltage of the first transformation T1, the first inductance L 1 inductive current negative direction decline, the 2nd electric capacity C2 voltage rise. A phase current is controlled by the break-make of the first switching tube Q1, the 2nd switching tube Q2 so that inductive current waveform follows input voltage uAWaveform, reach the object of power factor correction.
The working process of B phase and C phase is with A phase.
Embodiment 2(is as shown in Figure 3)
Further, described first two-way switch K1, the 2nd two-way switch K2, the 3rd two-way switch K3, the 4th two-way switch K4, the 5th two-way switch K5, and the 6th two-way switch K6, forming by by the 2nd switching tube Q2, the 3rd switching tube Q3, diode D2-1, diode D2-2, wherein a end, b end are the two ends of two-way switch.
Being parallel with diode on described 2nd switching tube Q2, described diode is parasitic diode or compound diode, and described 2nd switching tube Q2 is MOS pipe or IGBT pipe;
Being parallel with diode on described 3rd switching tube Q3, described diode is parasitic diode or compound diode, and described 3rd switching tube Q3 is MOS pipe or IGBT pipe;
Wherein a end, b end are the two ends of two-way switch.
Its principle of work is with embodiment 1.
Embodiment 3(is as shown in Figure 4)
Further, described first two-way switch K1, the 2nd two-way switch K2, the 3rd two-way switch K3, the 4th two-way switch K4, the 5th two-way switch K5, and the 6th two-way switch K6 is oppositely in series by the 4th switching tube Q4, the 5th switching tube Q5;
Being parallel with diode on described 4th switching tube Q4, described diode is parasitic diode or compound diode, and described 4th switching tube Q4 is MOS pipe or IGBT pipe;
Being parallel with diode on described 5th switching tube Q5, described diode is parasitic diode or compound diode, and described 5th switching tube Q5 is MOS pipe or IGBT pipe;
Wherein a end, b end are the two ends of two-way switch.
Its principle of work is with embodiment 1.
Rectification of the present utility model adopts three-phase and four-line input, often separately controls rectification according to positive-negative half-cycle, and three-phase adopts 6 two-way switchs altogether. At output capacitor two ends and six groups of high-voltage diodes, the mid point of diode respectively connect input 6 two-way switchs input terminus. When main switch turns off, electric current does not flow through the diode of two-way switch, separately through diode in parallel, flows through a diode less, and then reduces loss, improve efficiency.
Being more than better embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (8)
1. a three-phase PFC rectifying circuit, it is characterised in that: comprise the first to the 3rd inductance, the first to the 3rd transformer, the first to the 6th two-way switch, the first to the 6th twin diode series circuit and two capacitor seriesing circuit; The A phase of three-phase supply through the first inductance, the first transformer after being divided into symmetrical two portions respectively through the first two-way switch, the 2nd two-way switch ground connection; The B phase of three-phase supply through the 2nd inductance, the 2nd transformer after being divided into symmetrical two portions respectively through the 3rd two-way switch, the 4th two-way switch ground connection; The C phase of three-phase supply through the 3rd inductance, the 3rd transformer after being divided into symmetrical two portions respectively through the 5th two-way switch, the 6th two-way switch ground connection; The tie point of two diodes of the described first to the 6th twin diode series circuit one end with the first to the 6th two-way switch is connected respectively, described pair of capacitor seriesing circuit and the described first to the 6th twin diode series circuit are connected in parallel respectively, and the tie point ground connection of the two of this pair of capacitor seriesing circuit electric capacity, wherein, wherein one end of two capacitor seriesing circuit is as positive direct-current bus, and the other end is as negative direct current bus.
2. a kind of three-phase PFC rectifying circuit according to claim 1, it is characterized in that: the A phase of described three-phase supply specifically connects pass and is: described first twin diode series circuit comprises be connected in series first, 7th diode, described 2nd twin diode series circuit comprises the be connected in series the 2nd, 8th diode, the A phase of described three-phase supply is connected with end of the same name and the secondary different name end of the first primary through the first inductance, the different name end of described first primary is connected to the anode of the first diode respectively, the negative electrode of the 7th diode, one end of first two-way switch, the end of the same name of described first transformer secondary output is connected to the anode of the 2nd diode respectively, the negative electrode of the 8th diode, one end of 2nd two-way switch, described first, the other end ground connection of the 2nd two-way switch.
3. a kind of three-phase PFC rectifying circuit according to claim 2, it is characterized in that: the B phase of described three-phase supply specifically connects pass and is: described 3rd twin diode series circuit comprises the be connected in series the 3rd, 9th diode, described 4th twin diode series circuit comprises the be connected in series the 4th, tenth diode, the B phase of described three-phase supply is connected with end of the same name and the secondary different name end of the 2nd primary through the 2nd inductance, the different name end of described 2nd primary is connected to the anode of the 3rd diode respectively, the negative electrode of the 9th diode, one end of 3rd two-way switch, the end of the same name of described 2nd transformer secondary output is connected to the anode of the 4th diode respectively, the negative electrode of the tenth diode, one end of 4th two-way switch, described 3rd, the another end ground connection of the 4th two-way switch.
4. a kind of three-phase PFC rectifying circuit according to claim 3, it is characterized in that: the C phase of described three-phase supply specifically connects pass and is: described 5th twin diode series circuit comprises the be connected in series the 5th, 11 diode, described 6th twin diode series circuit comprises the be connected in series the 6th, 12 diode, the C phase of described three-phase supply is connected with end of the same name and the secondary different name end of the 3rd primary through the 3rd inductance, the different name end of described 3rd primary is connected to the anode of the 5th diode respectively, the negative electrode of the 11 diode, one end of 5th two-way switch, the end of the same name of described 3rd transformer secondary output is connected to the anode of the 6th diode respectively, the negative electrode of the 12 diode, one end of 6th two-way switch, described 5th, the other end ground connection of the 6th two-way switch.
5. a kind of three-phase PFC rectifying circuit according to claim 4, it is characterized in that: described pair of capacitor seriesing circuit comprises be connected in series first, 2nd electric capacity, one end of described first electric capacity and the negative electrode of the first diode, the negative electrode of the 2nd diode, the negative electrode of the 3rd diode, the negative electrode of the 4th diode, the negative electrode of the 5th diode, the negative electrode of the 6th diode connects, described one end of 2nd electric capacity and the anode of the seven or two pole, the anode of the 8th diode, the anode of the 9th diode, the anode of the tenth diode, the anode of the 11 diode, the anode of the 12 diode connects, the other end of described first electric capacity and the other end ground connection of the 2nd electric capacity, wherein, one end of first electric capacity is as positive direct-current bus, one end of 2nd electric capacity is as negative direct current bus.
6. a kind of three-phase PFC rectifying circuit according to claim 1 to 5 any one, it is characterized in that: the described first to the 6th two-way switch is by a switching tube, four diode compositions, described switching tube is also parallel with a diode, this diode is parasitic diode or compound diode, and described switching tube is MOS pipe or IGBT pipe.
7. a kind of three-phase PFC rectifying circuit according to claim 1 to 5 any one, it is characterized in that: the described first to the 6th two-way switch is by two switching tubes, two diode compositions, described two switching tubes are all parallel with diode, this diode is parasitic diode or compound diode, and described two switching tubes are MOS pipe or IGBT pipe.
8. a kind of three-phase PFC rectifying circuit according to claim 1 to 5 any one, it is characterized in that: the described first to the 6th two-way switch is oppositely in series by two switching tubes, described two switching tubes are all parallel with diode, this diode is parasitic diode or compound diode, and described two switching tubes are MOS pipe or IGBT pipe.
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| CN201620026249.4U CN205283423U (en) | 2016-01-13 | 2016-01-13 | Three -phase PFC rectifier circuit |
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| CN201620026249.4U CN205283423U (en) | 2016-01-13 | 2016-01-13 | Three -phase PFC rectifier circuit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208669A (en) * | 2016-09-07 | 2016-12-07 | 深圳市核达中远通电源技术有限公司 | A kind of power supply topologies |
| CN107623436A (en) * | 2017-10-17 | 2018-01-23 | 西安麦格米特电气有限公司 | A kind of PFC supply units |
| CN108054819A (en) * | 2017-11-20 | 2018-05-18 | 山东鲁能智能技术有限公司 | Minimize charging module, high frequency switch power and electronic equipment |
| CN109936297A (en) * | 2017-12-19 | 2019-06-25 | 保时捷股份公司 | For the electric power electronic module of charging station and corresponding charging station and power-up station |
| CN112865562A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Single-phase three-switch tube pseudo-totem-pole type three-level rectifier |
| CN112865560A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Multi-diode series back-to-back bridgeless three-level rectifier |
| CN113193768A (en) * | 2021-04-21 | 2021-07-30 | 三峡大学 | Four-switch-tube series-type back-to-back three-level rectifier |
| CN113938030A (en) * | 2021-09-26 | 2022-01-14 | 华为数字能源技术有限公司 | AC/DC converter and charging device |
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2016
- 2016-01-13 CN CN201620026249.4U patent/CN205283423U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208669A (en) * | 2016-09-07 | 2016-12-07 | 深圳市核达中远通电源技术有限公司 | A kind of power supply topologies |
| CN107623436A (en) * | 2017-10-17 | 2018-01-23 | 西安麦格米特电气有限公司 | A kind of PFC supply units |
| CN107623436B (en) * | 2017-10-17 | 2023-12-08 | 西安麦格米特电气有限公司 | PFC power supply device |
| CN108054819A (en) * | 2017-11-20 | 2018-05-18 | 山东鲁能智能技术有限公司 | Minimize charging module, high frequency switch power and electronic equipment |
| CN109936297A (en) * | 2017-12-19 | 2019-06-25 | 保时捷股份公司 | For the electric power electronic module of charging station and corresponding charging station and power-up station |
| CN109936297B (en) * | 2017-12-19 | 2022-03-08 | 保时捷股份公司 | Power electronic module for a charging station, corresponding charging station and charging station |
| CN112865562A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Single-phase three-switch tube pseudo-totem-pole type three-level rectifier |
| CN112865560A (en) * | 2021-01-28 | 2021-05-28 | 三峡大学 | Multi-diode series back-to-back bridgeless three-level rectifier |
| CN112865562B (en) * | 2021-01-28 | 2022-05-20 | 三峡大学 | Single-phase three-switch tube pseudo-totem-pole type three-level rectifier |
| CN113193768A (en) * | 2021-04-21 | 2021-07-30 | 三峡大学 | Four-switch-tube series-type back-to-back three-level rectifier |
| CN113938030A (en) * | 2021-09-26 | 2022-01-14 | 华为数字能源技术有限公司 | AC/DC converter and charging device |
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