CN106059359B - Bipolar-type power converter circuit and driving method - Google Patents
Bipolar-type power converter circuit and driving method Download PDFInfo
- Publication number
- CN106059359B CN106059359B CN201610574918.6A CN201610574918A CN106059359B CN 106059359 B CN106059359 B CN 106059359B CN 201610574918 A CN201610574918 A CN 201610574918A CN 106059359 B CN106059359 B CN 106059359B
- Authority
- CN
- China
- Prior art keywords
- switching device
- voltage
- mid
- state
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 4
- 101150044148 MID1 gene Proteins 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention relates to a kind of structure is simple, the lower bipolar-type power converter circuit of implementation cost and driving method, including power conversion driving circuit, the signal output end of control circuit in the power conversion driving circuit for detecting power device switch state connects the signal input part of power device respectively, and the signal input part of control circuit connects a side of isolating transformer.Advantage: first is that implementation cost is low, exploitation is simple, reliable performance；Second is that power supply conversion efficiency is high.
Description
Technical field
The present invention relates to the bipolar-type power converter circuits that a kind of structure is simple, and implementation cost is lower, power factor (PF) is high
And driving method, belong to Switching Power Supply manufacturing field.
Background technique
Currently, Power Engineer can only be from limited and expensive control chip in the design of high-performance power supply
One of them is selected, chip is then faced rather than is developed in face of power supply itself, meanwhile, during power supply research and development very
Control circuit may be needed to provide additional support because of the difference of structure, device, parameter, use and environment, and controlling chip can not
It provides, this will lead to, and the R&D cycle is elongated, or even causes the decline of properties of product and efficiency, cost increase.
In terms of power device, although bipolar transistor tube chip utilization rate height, technology maturation, cheap, load energy
Power is strong, but since its driving is difficult (because switching speed is slow and changes with load), existing soft switching power control chip is equal in addition
With the MOSFET(or IGBT of higher cost) be driven object, so, in, powerful efficient switch power supply is at MOSFET's
Stage.However, due to big (especially prominent P=Id when high current of power MOSFET ON loss2 * Ron), make further
Improve the bottleneck of power-efficient.
Summary of the invention
Purpose of design: avoiding the shortcoming in background technique, and it is simple to design a kind of structure, and implementation cost is lower, power
Factor high bipolar-type power converter circuit and driving method.
Design scheme: in order to realize above-mentioned purpose of design.The present invention drives good bipolar in the design of circuit structure
Transistor npn npn usually has lower loss (P=Ic * Vce) in high current, and can open in higher operating at voltages
It closes speed slowly and can be effectively overcome by the servo antrol of controller with the defect of load variation, it means that can be made
Highly efficient Switching Power Supply is designed with bipolar junction transistor and cost is more cheap；Secondly, just using singlechip chip unit price
Preferably, exploitation is simple, and multichannel input and output can carry out logical operation, can timing control the characteristics of, can during power supply research and development
To be directed to practical structures, device, parameter, use and Environment Design scheme；Third is that high using bipolar transistor tube chip utilization rate,
Technology maturation, cheap, load capacity is strong, usually have in high current it is lower loss and can be under higher voltage
The characteristics of work, can make the Switching Power Supply of design highly efficient and cost is more cheap.So-called servo antrol is to pass through list
The key node of piece machine testing half-bridge or full-bridge obtains the switch state of switching device, and then controls bipolar junction transistor most
Conducting, makes switching device enter Sofe Switch state, reduces the switching loss of switching device, make Switching Power Supply more in good turn-on time
It is efficient.So-called dynamic driving is that the driving power of bipolar junction transistor can follow the increase of load current and increase.
Technical solution: a kind of bipolar-type power converter circuit, for detecting power device switch in power conversion circuit
The signal output end of the control circuit of state connects the signal input part of power device respectively, the signal input part of control circuit connect every
A side from transformer.
Compared with the background technology, the present invention, first is that implementation cost is low, exploitation is simple, reliable performance；Second is that power supply conversion effect
Rate is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of the first embodiment of bipolar-type power converter circuit.
Fig. 2 is the flow diagram of Fig. 1.
Fig. 3 is the schematic diagram of second of embodiment of bipolar-type power converter circuit.
Fig. 4 is the flow diagram of Fig. 3.
Fig. 5 is the schematic diagram of the third embodiment of bipolar-type power converter circuit.
Fig. 6 is the flow diagram of Fig. 5.
Fig. 7 is the schematic diagram of the 4th kind of embodiment of bipolar-type power converter circuit.
Fig. 8 is the schematic diagram of the 5th kind of embodiment of bipolar-type power converter circuit.
Specific embodiment
Embodiment 1: referring to attached drawing 1.For half-bridge inversion circuit: two switching devices (Q1, Q2) and two partial pressure electricity
Hold the half-bridge circuit of (C1, C2) composition, two diodes (D1, D2) and two switching device (Q1, Q2) reverse parallel connections, resonance electricity
Hold C3 be connected between two switching device midpoints and ground, the primary side both ends of isolating transformer respectively with switching device midpoint and point
Voltage capacitance midpoint is connected.
Program flow diagram is referring to fig. 2.It is assumed that Q2 is connected, mid-point voltage V_mid is equal to DC bus-bar voltage V_dc.State
One: according to the time of setting, control circuit turns off Q1, while internal timer starts timing, due to depositing for resonant capacitance C3
It is equal to DC bus-bar voltage V_dc, Q1 zero voltage turn-off in, mid-point voltage V_mid.Resonant capacitance C3 is discharged by transformer T1,
Circuit enters resonant state.Two: C3 voltage resonance of state is to 0, since the leakage inductance energy of T1 not yet drains, therefore T1 electric current still from
It is left-to-right, diode D2 afterflow conducting；Control circuit detects that Q2 is connected in mid-point voltage zero passage, control circuit, Q2 no-voltage
It is open-minded.The turn-off time t1 of Q1 is recorded simultaneously.State three: according to the time of setting, control circuit turns off Q2, due to resonance electricity
Hold the presence of C3, mid-point voltage V_mid is equal to 0, Q2 zero voltage turn-off.State four: it is controlled using turn-off time t1 of switching tube Q1
Switching tube Q1 conducting processed, since circuit structure is symmetrical, thus Q1 is no-voltage conducting.Return to the re-circulation of state one.
Embodiment 2: referring to attached drawing 3.For full bridge inverter: four switching devices (Q1, Q2, Q3, Q4) form complete
Bridge circuit, four diodes (D1, D2, D3, D4) and four switching device (Q1, Q2, Q3, Q4) reverse parallel connections, resonant capacitance
(C1) two switching devices (Q1, Q2) are connected between midpoint and ground, resonant capacitance (C2) is connected in two switching devices (Q3, Q4)
Between point and ground, the primary side both ends of isolating transformer are respectively and in the switching device midpoint (Q1, Q2) and switching device (Q3, Q4)
Point is connected.Being reached by servo antrol (driving is with switching tube switching speed and with load variation variation) makes four switching devices
Work in Sofe Switch state.
Program flow diagram is referring to fig. 4.If switching tube turn-on time is t.DC bus-bar voltage V_dc, switching device in full-bridge
The midpoint (Q1, Q2) is V_mid1, and the switching device midpoint (Q3, Q4) is V_mid2, it is assumed that Q1, Q4 conducting, mid-point voltage V_mid1
It is equal to 0 equal to DC bus-bar voltage V_dc, mid-point voltage V_mid2.State one: according to the time t of setting, control circuit make Q1,
Q4 shutdown, due to the presence of resonant capacitance C1, mid-point voltage V_mid1 is equal to V_dc, Q1 zero voltage turn-off.Due to resonant capacitance
The presence of C2, mid-point voltage V_mid2 are equal to 0, Q4 zero voltage turn-off.Resonant capacitance C1 electric discharge, C2 charging, circuit enter resonance
State.State two: V_mid1 resonance to 0, V_mid2 resonance is to V_dc, since the leakage inductance energy of T1 not yet drains, therefore T1 electric current
Still from left to right, diode D2, D3 afterflow is connected, and control circuit detects midpoint V_mid1 voltage zero-cross, leads Q2, Q3
Logical, V_mid1=0V, Q2 no-voltage are open-minded at this time.V_mid2=V_dc, Q3 no-voltage are open-minded.State three: according to the time of setting
T, control circuit turns off Q2, Q3, due to the presence of resonant capacitance C1, Q2 zero voltage turn-off.Due to depositing for resonant capacitance C2
In Q3 zero voltage turn-off.Four: V_mid1 resonance of state is to V_dc, V_mid2 resonance to 0, since the leakage inductance energy of T1 is not yet put
To the greatest extent, thus T1 electric current still from right to left, diode D1, D4 afterflow conducting, control circuit detects midpoint V_mid2 voltage zero-cross,
Q1, Q4 is connected, V_mid2=0V, Q4 no-voltage are open-minded at this time.V_mid1=V_dc, Q1 no-voltage are open-minded.Return to one weight of state
New circulation.
Embodiment 3: referring to Fig. 5.The sampled point of switching tube switch condition detection circuit is two current transformers T2, T3's
Secondary side.Program flow diagram is referring to Fig. 6.State one: according to the time of setting, control circuit turns off Q1, due to resonant capacitance
The presence of C3, mid-point voltage V_mid are equal to V_dc, Q1 zero voltage turn-off.Resonant capacitance C3 is discharged by transformer T1, circuit into
Enter resonant state.State two: mid-point voltage V_mid resonance to zero, since the leakage inductance energy of T1 not yet drains, therefore T1 electric current is still
From left to right, diode D2 afterflow is connected, and current transformer T3 Same Name of Ends is positive, and control circuit detects that current transformer T3 is same
Q2 is connected in the proper pulse of name, control circuit, and Q2 no-voltage is open-minded.State three: according to the time of setting, control circuit closes Q2
Disconnected, due to the presence of resonant capacitance C3, mid-point voltage V_mid is equal to 0, Q2 zero voltage turn-off.State four: mid-point voltage V_mid
Resonance is to V_dc, and since the leakage inductance energy of T1 not yet drains, therefore T1 electric current is still from right to left, diode D1 afterflow conducting, electricity
Current transformer T2 Same Name of Ends is positive, and control circuit detects that Q1 is connected in current transformer T2 Same Name of Ends positive pulse, control circuit,
Q1 no-voltage is open-minded.Return to the re-circulation of state one.
Embodiment 4: referring to Fig. 7.A current transformer T2 is sealed between half-bridge mid point V_mid and transformer T1,
Power supply of the secondary side of T2 through full-wave rectification as driving circuit, when load current increases, transformer T2 output power increases, and drives
Dynamic power is compensated, and realizes the dynamic driving of bipolar junction transistor.
Embodiment 5: referring to Fig. 8.T2, T3 of embodiment 3 are merged into a current transformer T2, control electricity by the present embodiment
Road can obtain positive pulse signal when diode D1 afterflow conducting from A, and Half-Bridge Zero-Voltage is open-minded in control；It can be obtained from B
It is open-minded to control lower Half-Bridge Zero-Voltage for positive pulse signal when diode D2 afterflow is connected；Meanwhile the secondary side of T2 is whole by all-wave
Stream is used as driving power, realizes the dynamic driving of bipolar junction transistor.
Embodiment 6: one is sealed between half-bridge mid point V_mid or full-bridge midpoint (V_mid1 or V_mid2) and transformer T1
Power supply of the secondary side of a current transformer T2, T2 through full-wave rectification as driving circuit, when load current increase, mutual inductor
Output power increases, and driving power is compensated, and realizes the dynamic driving of bipolar junction transistor.
Embodiment 7: current transformer T2, T3 are sealed in the upper lower arm of half-bridge or full-bridge, the secondary side of T2, T3 are through all-wave
The power supply as driving circuit is rectified, when load current increases, mutual inductor output power increases, and driving power is compensated, real
The dynamic driving of existing bipolar junction transistor.
It is to be understood that: although above-described embodiment retouches mentality of designing of the invention detailed text of contrasting
It states, but these verbal descriptions, only the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention falls within the protection scope of the present invention.
Claims (7)
1. a kind of bipolar-type power converter circuit, it is characterized in that: ambipolar for detecting in bipolar-type power converter circuit
The signal output end of the control circuit of transistor switch state connects the signal input part of power device, the signal of control circuit respectively
A side of input termination isolating transformer T1；In after the signal input part sampling half-bridge of control circuit or the shutdown of full-bridge upper arm
The zero-crossing timing of point voltage, and the upper arm turn-on instant after lower arm shutdown is determined using this time, make power inverter work
Make in Sofe Switch state, is gone here and there between half-bridge mid point V_mid or full-bridge midpoint (V_mid1 or V_mid2) and isolating transformer T1
Enter a current transformer T2, power supply of the secondary side of current transformer T2 through full-wave rectification as driving circuit, when load electricity
Stream increases, and mutual inductor output power increases, and driving power is compensated, and realizes the dynamic driving of bipolar junction transistor.
2. bipolar-type power converter circuit according to claim 1, it is characterized in that: the signal input part of control circuit is adopted
Sample detects the reversed freewheel current of half-bridge or the upper and lower arm of full-bridge to determine the switch state of power device.
3. bipolar-type power converter circuit according to claim 2, it is characterized in that: in half-bridge or the upper lower arm string of full-bridge
Enter current transformer T2, T3, power supply of the secondary side of T2, T3 through full-wave rectification as driving circuit, when load current increases,
Mutual inductor output power increases, and driving power is compensated, and realizes the dynamic driving of bipolar junction transistor.
4. bipolar-type power converter circuit according to claim 1 or 2, it is characterized in that: control circuit by single-chip microcontroller or
DSP is constituted, and then controlling power device makes power inverter work in Sofe Switch state.
5. a kind of driving method of bipolar-type power converter circuit, it is characterized in that: two switching devices Q1, Q2 and two points
The half-bridge circuit of voltage capacitance C1, C2 composition, two diodes D1, D2 and two switching devices Q1, Q2 distinguish reverse parallel connection, resonance
Capacitor C3 is connected between two switching device midpoints and ground, the primary side both ends of isolating transformer T1 respectively with switching device midpoint
And derided capacitors midpoint is connected；It is assumed that switching device Q1 is connected, mid-point voltage V_mid is equal to DC bus-bar voltage V_dc；
State one: according to the time of setting, control circuit turns off switching device Q1, while internal timer starts timing, by
In the presence of resonant capacitance C3, mid-point voltage V_mid is equal to DC bus-bar voltage V_dc, and switching device Q1 zero voltage turn-off is humorous
Vibration capacitor C3 is discharged by isolating transformer T1, and circuit enters resonant state；
Two: C3 voltage resonance of state is to 0, since the leakage inductance energy of isolating transformer T1 not yet drains, therefore isolating transformer T1 electricity
Still from left to right, diode D2 afterflow is connected stream；Control circuit detects that mid-point voltage zero passage, control circuit make switching device
Q2 conducting, switching device Q2 no-voltage is open-minded, while recording the turn-off time t of switching device Q11；
State three: according to the time of setting, control circuit turns off switching device Q2, due to the presence of resonant capacitance C3, midpoint
Voltage V_mid is equal to 0, switching device Q2 zero voltage turn-off；
State four: being connected using turn-off time t1 control switch device Q1 of switching device Q1, since circuit structure is symmetrical, thus
Switching device Q1 is no-voltage conducting, returns to the re-circulation of state one.
6. a kind of driving method of bipolar-type power converter circuit, it is characterized in that: four switching device Q1, Q2, Q3, Q4 compositions
Full-bridge circuit, four diodes D1, D2, D3, D4 and four switching device Q1, Q2, Q3, Q4 reverse parallel connections, the first resonance electricity
Hold C1 to be connected between two midpoints switching device Q1, Q2 and ground, the second resonant capacitance C2 is connected to two midpoints switching device Q3, Q4
Between ground, the primary side both ends of isolating transformer T1 respectively with the midpoint switching device Q1, Q2 and the midpoint switching device Q3, Q4 phase
Even, being reached by servo antrol makes four switching devices work in Sofe Switch state；If the switch device conductive time is t, direct current
Switching device Q1, Q2 mid-point voltage V_mid1, switching device Q3, Q4 mid-point voltage V_mid2 in busbar voltage V_dc, full-bridge, it is false
Determining Q1, Q4 conducting, mid-point voltage V_mid1 is equal to DC bus-bar voltage V_dc, and mid-point voltage V_mid2 is equal to 0,
State one: according to the time t of setting, control circuit turns off switching device Q1, switching device Q4, due to resonant capacitance C1
Presence, mid-point voltage V_mid1 be equal to V_dc, switching device Q1 zero voltage turn-off, due to the presence of resonant capacitance C2, midpoint
Voltage V_mid2 is equal to 0, and switching device Q4 zero voltage turn-off, resonant capacitance C1 discharges, and C2 charging, circuit enters resonant state；
State two: mid-point voltage V_mid1 resonance to 0, mid-point voltage V_mid2 resonance to V_dc, due to isolating transformer T1's
Leakage inductance energy not yet drains, therefore isolating transformer T1 electric current is still from left to right, diode D2, diode D3 afterflow conducting, control
Circuit processed detects mid-point voltage V_mid1 voltage zero-cross, switching device Q2, switching device Q3 is connected, at this time mid-point voltage V_
Mid1=0V, switching device Q2 no-voltage is open-minded, mid-point voltage V_mid2=V_dc, and switching device Q3 no-voltage is open-minded；
State three: according to the time t of setting, control circuit turns off switching device Q2, switching device Q3, due to resonant capacitance C1
Presence, switching device Q2 zero voltage turn-off, due to the presence of resonant capacitance C2, switching device Q3 zero voltage turn-off；
State four: mid-point voltage V_mid1 resonance to V_dc, mid-point voltage V_mid2 resonance to 0, due to isolating transformer T1's
Leakage inductance energy not yet drains, therefore isolating transformer T1 electric current is still from right to left, diode D1, D4 afterflow conducting, control circuit
It detecting mid-point voltage V_mid2 voltage zero-cross, Q1, Q4 is connected, at this time mid-point voltage V_mid2=0V, Q4 no-voltage is open-minded,
Mid-point voltage V_mid1=V_dc, Q1 no-voltage is open-minded, returns to the re-circulation of state one.
7. a kind of driving method of bipolar-type power converter circuit, it is characterized in that: two switching devices Q1, Q2 and two points
The half-bridge circuit of voltage capacitance C1, C2 composition, two diodes D1, D2 and two switching devices Q1, Q2 distinguish reverse parallel connection, resonance
Capacitor C3 is connected between two switching device midpoints and ground, and two current transformers T2, T3 and two switching devices Q1, Q2 are constituted
Switch state sampled point, the sampled point are the secondary side of two current transformers T2, T3:
State one: according to the time of setting, control circuit turns off switching device Q1, due to the presence of resonant capacitance C3, midpoint
Voltage V_mid is equal to V_dc, Q1 zero voltage turn-off, and resonant capacitance C3 is discharged by isolating transformer T1, and circuit enters resonance shape
State；
State two: mid-point voltage V_mid resonance to zero since the leakage inductance energy of isolating transformer T1 not yet drains, therefore is isolated and is become
Still from left to right, diode D2 afterflow conducting, current transformer T3 Same Name of Ends is positive depressor T1 electric current, and control circuit detects
Switching device Q2 is connected in current transformer T3 Same Name of Ends positive pulse, control circuit, and switching device Q2 no-voltage is open-minded；
State three: according to the time of setting, control circuit turns off switching device Q2, due to the presence of resonant capacitance C3, midpoint
Voltage V_mid is equal to 0, switching device Q2 zero voltage turn-off；
State four: mid-point voltage V_mid resonance to V_dc since the leakage inductance energy of isolating transformer T1 not yet drains, therefore is isolated
Still from right to left, diode D1 afterflow conducting, current transformer T2 Same Name of Ends is positive transformer T1 electric current, control circuit detection
To current transformer T2 Same Name of Ends positive pulse, switching device Q1 is connected in control circuit, and switching device Q1 no-voltage is open-minded, returns to
State one recirculates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574918.6A CN106059359B (en) | 2016-07-18 | 2016-07-18 | Bipolar-type power converter circuit and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574918.6A CN106059359B (en) | 2016-07-18 | 2016-07-18 | Bipolar-type power converter circuit and driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106059359A CN106059359A (en) | 2016-10-26 |
| CN106059359B true CN106059359B (en) | 2019-11-22 |
Family
ID=57188421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574918.6A Active CN106059359B (en) | 2016-07-18 | 2016-07-18 | Bipolar-type power converter circuit and driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106059359B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024019663A1 (en) * | 2022-07-18 | 2024-01-25 | Nanyang Technological University | Gate drive circuit for a power inverter leg in a power inverter, power inverter and methods of operation thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109654A (en) * | 1994-12-29 | 1995-10-04 | 广东金泰企业集团公司 | Combined control inverse method of pulse width modulation and zero current zero voltage harmonic switch |
| US6483723B2 (en) * | 2000-11-07 | 2002-11-19 | Matsushita Electric Industrial Co., Ltd. | Switching power supply |
| CN201039013Y (en) * | 2007-05-17 | 2008-03-19 | 徐爱平 | Reverse conversion soft switch device |
| CN101795087A (en) * | 2010-04-02 | 2010-08-04 | 河南科技大学 | Inductive load commutation method |
| CN104158423A (en) * | 2014-08-28 | 2014-11-19 | 苏州奥曦特电子科技有限公司 | High-efficiency direct-current-alternating-current inverter |
| CN207098968U (en) * | 2016-07-18 | 2018-03-13 | 杭州重芯力科技有限公司 | Bipolar-type power converter circuit |
-
2016
- 2016-07-18 CN CN201610574918.6A patent/CN106059359B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109654A (en) * | 1994-12-29 | 1995-10-04 | 广东金泰企业集团公司 | Combined control inverse method of pulse width modulation and zero current zero voltage harmonic switch |
| US6483723B2 (en) * | 2000-11-07 | 2002-11-19 | Matsushita Electric Industrial Co., Ltd. | Switching power supply |
| CN201039013Y (en) * | 2007-05-17 | 2008-03-19 | 徐爱平 | Reverse conversion soft switch device |
| CN101795087A (en) * | 2010-04-02 | 2010-08-04 | 河南科技大学 | Inductive load commutation method |
| CN104158423A (en) * | 2014-08-28 | 2014-11-19 | 苏州奥曦特电子科技有限公司 | High-efficiency direct-current-alternating-current inverter |
| CN207098968U (en) * | 2016-07-18 | 2018-03-13 | 杭州重芯力科技有限公司 | Bipolar-type power converter circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106059359A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102832792B (en) | Source electrode driving control circuit and control method thereof | |
| CN102195457B (en) | Gate drive circuit of a voltage drive type semiconductor element and power converter | |
| CN201805600U (en) | Primary-side constant-current control device of LED driver | |
| CN101667789B (en) | Inverter circuit used for solar energy photovoltaic grid connection and device thereof | |
| CN110311572A (en) | A kind of transformer isolation drive control method and its isolated drive circuit | |
| CN103795260A (en) | Non-complementary flyback active clamp converter | |
| CN103904901A (en) | Phase-shift full-bridge converter circuit and control method | |
| CN107707139B (en) | Control method and device for circuit with switch bridge arm | |
| CN103701356A (en) | Double-auxiliary resonance pole type three-phase soft switching inverter | |
| CN101604916B (en) | Zero voltage switch full bridge DC converter based on pi-type auxiliary network | |
| CN102437803A (en) | Switched reluctance motor bootstrapping driving circuit with low cost and high isolation characteristic | |
| CN202798435U (en) | High-performance and low-cost IGBT negative voltage bootstrap drive circuit | |
| CN206099766U (en) | Adjustable output's soft switching power converter of active PFC+ | |
| CN202435332U (en) | Low-cost and high-isolation-characteristic bootstrap driving circuit of switched reluctance motor | |
| CN1937381A (en) | Zero-voltage switch full-bridge direct current converter | |
| CN104539167B (en) | Synchronous rectification control method of push-pull converter and control chip | |
| CN106059359B (en) | Bipolar-type power converter circuit and driving method | |
| Chen et al. | Analysis and design of LLC converter based on SiC MOSFET | |
| CN105978372B (en) | A kind of topological circuit and half-bridge topology circuit and three phase full bridge topological circuit | |
| CN101976966B (en) | Novel auxiliary inverter power supply by using zero-current soft switch technology | |
| CN105515398B (en) | A kind of high efficiency power circuit applied to programme-controlled dc power | |
| CN207098968U (en) | Bipolar-type power converter circuit | |
| CN207782664U (en) | Three Level Full Bridge Sofe Switch convertor circuits, welding machine, electrolysis water power supply and charger | |
| CN109873570A (en) | Three level T font topological structures of one kind and single-phase inverter and three-phase inverter | |
| CN205901623U (en) | Many windings are just swashing parallelly connected single -stage dc -to -ac converter of output |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311199, 7th Floor, Building 1, No. 587 Kangxin Road, Linping Street, Linping District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zhongxinli Intelligent Equipment Co.,Ltd. Address before: 5 / F, building 2, 650 WangMei Road, Linping street, Yuhang District, Hangzhou City, Zhejiang Province 311100 Patentee before: HANGZHOU ZHONGXINLI TECHNOLOGY CO.,LTD. |