CN112117919A - Wide-range output gain switching circuit and voltage converter - Google Patents
Wide-range output gain switching circuit and voltage converter Download PDFInfo
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- CN112117919A CN112117919A CN202010927626.2A CN202010927626A CN112117919A CN 112117919 A CN112117919 A CN 112117919A CN 202010927626 A CN202010927626 A CN 202010927626A CN 112117919 A CN112117919 A CN 112117919A
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- diode
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- gain switching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/066—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode particular circuits having a special characteristic
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/2173—Conversion of ac power input into dc 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 in a biphase or polyphase circuit arrangement
-
- 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
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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
Abstract
The invention provides a wide-range output gain switching circuit, which comprises a power supply, a first capacitor, a bridge rectifier module and a switch module, wherein the first capacitor is connected with the power supply; the power supply is connected with the bridge rectifier module, and the first capacitor is connected between the power supply and the bridge rectifier module in series; the bridge rectifier module comprises at least two diodes, and the change-over switch module is connected with any one diode in the bridge rectifier module in parallel; when the change-over switch module is switched on, the whole circuit works in a high-voltage output mode, and the power supply supplies power to external equipment after passing through the first capacitor, the bridge rectifier module and the change-over switch module in sequence. Before and after the working state is switched, no loss is increased, and through proper type selection, the loss of the switch is lower than that of the diode, so that the loss of the rectifying circuit can be optimized in a high-voltage output mode.
Description
Technical Field
The present invention relates to a voltage converter, and more particularly, to a wide-range output gain switching circuit, a multiphase wide-range output gain switching circuit, and a voltage converter.
Background
The voltage converter is widely applied to engineering practice, and the main application fields comprise a data center, a server power supply, an on-vehicle charger of an electric automobile, a direct current micro-grid, a fuel cell system, an LED driving circuit and the like. Converters in these applications require a wide voltage gain adjustment range to meet wide input or output voltage requirements. Increasing the voltage gain range, efficiency and power density of such converters has been a sought goal in the art.
The charging module product requires a constant power range of 300-1000V, the mainstream topology cannot meet the requirement, and a switching device is required to switch the transformer transformation ratio; the existing transformation ratio switching circuit is divided into three types, firstly, a primary winding or a secondary winding is switched through a middle tap of a transformer, when the transformer works in a low-voltage section, a part of windings do not participate in power transmission, and the utilization rate is low; secondly, the two groups of outputs are switched in series and parallel through the switching circuit, the output power is interrupted when a relay is used for switching, redundant loss is caused when an MOS or a diode is used, and the efficiency is reduced; and thirdly, the gain of the output voltage is changed through the switching of the rectifying circuit, and the loss is increased and the efficiency is reduced after the existing scheme introduces a change-over switch.
Therefore, the existing switch device switches the gain, and the number of the devices is increased before and after the switch is switched, extra loss is brought, the cost is increased, and the efficiency is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a new gain switching circuit is provided, the gain conversion is realized through a main control switch, and the problem of high loss in the existing scheme is solved.
In order to solve the technical problems, the invention adopts the technical scheme that: the wide-range output gain switching circuit comprises a power supply, a first capacitor, a bridge rectifier module and a switch module;
the power supply is connected with the bridge rectifier module, and the first capacitor is connected between the power supply and the bridge rectifier module in series; the bridge rectifier module comprises at least two diodes, and the change-over switch module is connected with any one diode in the bridge rectifier module in parallel;
when the change-over switch module is switched on, the whole circuit works in a high-voltage output mode, and the power supply supplies power to the load after passing through the first capacitor, the bridge rectifier module and the change-over switch module in sequence.
The transformer further comprises a primary side connected with a power supply, and a secondary side connected with the input end of the bridge rectifier module.
Further, the bridge rectifier module comprises a first diode, a second diode, a third diode and a fourth diode;
the anode of the first diode is respectively connected with the cathode of the first capacitor and the cathode of the second diode, the cathode of the first diode is connected with the cathode of the third diode, and the common point between the cathode of the fourth diode and the anode of the third diode is connected with the cathode of the power supply; the positive electrode of the fourth diode is connected with the positive electrode of the second diode, and the positive electrode of the first capacitor is connected with the positive electrode of the power supply.
Furthermore, the device also comprises a second capacitor, wherein the anode of the second capacitor is connected with the cathode of the third diode, and the cathode of the second capacitor is connected with the anode of the fourth diode.
Furthermore, the device also comprises a first resistor which is connected with the second capacitor in parallel.
Further, the switch is at least one of a relay, a MOS tube or an IGBT.
Further, the calculation formula of the first capacitor is
Where Iavg is the output average current, Vpp is the voltage ripple on C1, and fs is the switching frequency of the circuit.
The invention also provides a multiphase wide-range output gain switching circuit, which comprises the wide-range output gain switching circuit, and specifically comprises a three-phase circuit secondary side single-phase full-bridge rectifying circuit, a three-phase circuit secondary side three-phase full-bridge rectifying circuit and a multiphase interleaved parallel circuit.
In addition, the invention also provides a voltage converter which comprises the wide-range output gain switching circuit or the multiphase wide-range output gain switching circuit.
The invention has the beneficial effects that: the power supply is connected with the bridge type rectifying module through a power supply, a first capacitor, the bridge type rectifying module and a change-over switch module, and the first capacitor is connected between the power supply and the bridge type rectifying module in series; the change-over switch module is connected with any diode in the bridge rectifier module in parallel; when the change-over switch module is switched on, the whole circuit works in a high-voltage output mode, and the power supply supplies power to the load after passing through the first capacitor, the bridge rectifier module and the change-over switch module in sequence. Before and after the working state is switched, no loss is increased, and through proper type selection, the loss of the switch is lower than that of the diode, so that the loss of the rectifying circuit can be optimized in a high-voltage output mode.
Drawings
The detailed structure of the invention is described in detail below with reference to the accompanying drawings
Fig. 1 is a circuit diagram of a first operation mode of a wide-range output gain switching circuit and a voltage converter according to the present invention.
Fig. 2 is a circuit diagram of a second operation mode of the wide-range output gain switching circuit and the voltage converter according to the present invention.
FIG. 3 is a diagram of a single-phase full-bridge rectifier circuit with a wide-range output gain switching circuit and a voltage converter applied to a secondary side of a three-phase circuit according to the present invention.
FIG. 4 is a diagram of a three-phase full-bridge rectifier circuit with a wide-range output gain switching circuit and a voltage converter applied to a secondary side of a three-phase circuit according to the present invention.
FIG. 5 is a diagram of a wide-range output gain switching circuit and a voltage converter applied to a multi-phase interleaved parallel circuit according to the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 and 2, the present invention provides a wide-range output gain switching circuit, which includes a power source V1, a first capacitor C1, a bridge rectifier module, and a switch module;
the power supply V1 is connected with the bridge rectifier module, and the first capacitor C1 is connected between the power supply and the bridge rectifier module in series; the bridge rectifier module comprises at least two diodes, and the change-over switch module is connected with any one diode in the bridge rectifier module in parallel;
when the switch module is switched on, the whole circuit works in a high-voltage output mode, and the power supply V1 supplies power to the load after passing through the first capacitor C1, the bridge rectifier module and the switch module in sequence.
Specifically, the wide-range output gain switching circuit provided by the invention has no loss increase before and after the switching of the working state, and the loss of the switch is lower than that of the diode through proper type selection, so that the loss of the rectifying circuit can be optimized in a high-voltage output mode.
Example 1
Further, the bridge rectifier module comprises a first diode D1, a second diode D2, a third diode D3 and a fourth diode D4;
the anode of the first diode D1 is connected to the cathode of the first capacitor C1 and the cathode of the second diode D2 respectively, the cathode of the first diode D1 is connected to the cathode of the third diode D3, and the common point between the cathode of the fourth diode D4 and the anode of the third diode D3 is connected to the cathode of the power supply V1; the anode of the fourth diode D4 is connected to the anode of the second diode D2, and the anode of the first capacitor C1 is connected to the anode of the power supply V1.
Further, the rectifier further comprises a transformer T1, a second capacitor C2 and a first resistor R1, wherein the primary side of the transformer T1 is connected with a power supply V1, and the secondary side of the transformer T1 is connected with the input end of the bridge rectifier module. The anode of the second capacitor C2 is connected with the cathode of the third diode D3, and the cathode of the second capacitor C2 is connected with the anode of the fourth diode D4. The first resistor R1 is connected in parallel with the second capacitor C2.
Specifically, referring to fig. 1, fig. 1 is a circuit diagram of a first operating mode of a wide-range output gain switching circuit. In this embodiment, when the switch S1 is turned off, and the input source is a positive half cycle, the current flows through the second pin of the secondary winding of the transformer T1, passes through the positive electrode of the first capacitor C1, passes through the negative electrode of the first capacitor C1 to the positive electrode of the first diode D1, flows out through the negative electrode of the first diode D1, passes through the second capacitor C2 through the first branch, passes through the first resistor R1 through the second branch, joins the flowing current to the positive electrode of the fourth diode D4, flows out through the negative electrode of the fourth diode D4 to the fourth pin of the secondary winding of the transformer T1 to form a loop, and the power supply V1 charges the first capacitor C1.
When the input source is in a negative half cycle, current flows out through the anode of a third diode D3 through the fourth pin of the secondary winding of the transformer T1, flows out through the cathode of the third diode D3, flows through a first branch circuit through a second capacitor C2, flows through a first resistor R1 by a second branch circuit, is converged to the anode of a second diode D2, flows out to a first capacitor C1 through the cathode of a second diode D2, finally forms a loop through the second pin of the secondary winding of the transformer T1, discharges from the first capacitor C1, charges the power supply V1 and the first capacitor C1 to the second capacitor C2, and outputs double voltage.
In the circuit in the first working mode, when the input source is a positive half cycle, the current path has the loss of two diodes, namely a first diode D1 and a fourth diode D4; when the input source is negative half cycle, the current path has the loss of two diodes, namely a third diode D3 and a second diode D2. Thus, there are two diode losses in all operating state current paths.
Referring to fig. 2, fig. 2 is a circuit diagram of a second operation mode of the wide-range output gain switching circuit. In this embodiment, when the switch S1 is turned on, and the input source is a positive half cycle, the current flows through the second leg of the secondary winding of the transformer T1, passes through the positive electrode of the first capacitor C1, passes through the negative electrode of the first capacitor C1 to the positive electrode of the first diode D1, flows out through the negative electrode of the first diode D1, passes through the second capacitor C2 through the first branch, passes through the first resistor R1 through the second branch, the flowing-out current is merged to the first end of the switch S1, flows out from the second end of the switch S1 to the fourth leg of the secondary winding of the transformer T1 to form a loop, and the power supply charges the first capacitor C1.
When the input source is negative half cycle, the current flows through the fourth pin of the secondary winding of the transformer T1 through the second end of the switch S1, flows to the anode of the second diode D2 through the first end of the switch S1, flows from the cathode of the second diode D2 to the cathode of the first capacitor C1, flows from the anode of the first capacitor C1 to the second pin of the secondary winding of the transformer T1 to form a loop, and the power supply V1 and the first capacitor C1 charge the second capacitor C2 and output double voltage.
In the circuit in the second operation mode, when the input source is a positive half cycle, the current path has losses of two devices, namely a first diode D1 and a switch S1; when the input source is negative half cycle, the current path has the loss of two devices, namely a second diode D2 and a switch S1. Therefore, the current path in all the operating states has only two loss, no loss is added before and after the switching of the operating states, and the loss of the switch S1 is lower than that of the diode through proper type selection, so that the loss of the rectifier circuit can be optimized in the high-voltage output mode.
Example 2
Further, the switch S1 is at least one of a relay, a MOS transistor, or an IGBT. The first capacitor C1 needs to be specified according to the average value of the output voltage, the output current and the ripple voltage requirement, and the calculation formula of the first capacitor C1 is
Where Iavg is the output average current, Vpp is the voltage ripple on C1, and fs is the switching frequency of the circuit.
Specifically, the switch S1 may be a relay or a MOS transistor or an IGBT or other switching device or a combination of multiple switching devices. The relay is a switch controlled by a signal, has an automatic protection function, and can be automatically closed when short circuit occurs. The MOS tube plays a role in switching on and off in the circuit by changing the voltage in the circuit. The switch of the invention is selected according to specific requirements, so that the device loss of the whole wide-range output gain switching circuit is optimized.
Example 3
Referring to fig. 3, fig. 4 and fig. 5, fig. 3 is a diagram of a single-phase full-bridge rectifier circuit with a wide-range output gain switching circuit applied to a secondary side of a three-phase circuit. Fig. 4 is a diagram of a three-phase full-bridge rectification circuit with a wide-range output gain switching circuit applied to a secondary side of a three-phase circuit, and three switches S5, S6 and S7 may be used simultaneously or only one or two of them may be used. FIG. 5 is a circuit diagram of a wide-range output gain switching circuit applied to a multiphase interleaved parallel circuit.
Furthermore, the invention also provides a multiphase wide-range output gain switching circuit, which comprises the wide-range output gain switching circuit, and specifically comprises a three-phase circuit secondary side single-phase full-bridge rectifying circuit, a three-phase circuit secondary side three-phase full-bridge rectifying circuit and a multiphase interleaved parallel circuit. The wide-range output gain switching circuit can be applied to the three circuits to achieve the effect of optimizing the rectification loss.
In summary, the wide-range output gain switching circuit provided by the present invention includes a power supply V1, a transformer T1, a first capacitor C1, a bridge rectifier module and a switch module, wherein the power supply V1 is connected to the bridge rectifier module, and the first capacitor C1 is connected in series between the power supply V1 and the bridge rectifier module; the change-over switch module is connected with any diode in the bridge rectifier module in parallel; when the switch module is switched on, the whole circuit works in a high-voltage output mode, and the power supply V1 supplies power to the load after passing through the first capacitor C1, the bridge rectifier module and the switch module in sequence. Before and after the working state is switched, voltage-multiplying rectification is realized, loss is not increased, and through proper type selection, the loss of the switch is lower than that of the diode, so that the loss of the rectification circuit can be optimized in a high-voltage output mode.
In addition, the invention also provides a voltage converter, which comprises the wide-range output gain switching circuit or the multiphase wide-range output gain switching circuit.
The first … … and the second … … are only used for name differentiation and do not represent how different the importance and position of the two are.
Here, the upper, lower, left, right, front, and rear merely represent relative positions thereof and do not represent absolute positions thereof
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The wide-range output gain switching circuit is characterized by comprising a power supply, a first capacitor, a bridge rectifier module and a switch module;
the power supply is connected with the bridge rectifier module, and the first capacitor is connected between the power supply and the bridge rectifier module in series; the bridge rectifier module comprises at least two diodes, and the change-over switch module is connected with any one diode in the bridge rectifier module in parallel;
when the change-over switch module is switched on, the whole circuit works in a high-voltage output mode, and a power supply supplies power to a load after passing through the first capacitor, the bridge rectifier module and the change-over switch module in sequence.
2. The wide range output gain switching circuit of claim 1, wherein: the transformer is characterized by further comprising a transformer, wherein the primary side of the transformer is connected with the power supply, and the secondary side of the transformer is connected with the bridge rectifier module.
3. The wide range output gain switching circuit of claim 2, wherein: the bridge rectifier module comprises a first diode, a second diode, a third diode and a fourth diode;
the anode of the first diode is respectively connected with the cathode of the first capacitor and the cathode of the second diode, the cathode of the first diode is connected with the cathode of the third diode, and the common point between the cathode of the fourth diode and the anode of the third diode is connected with the cathode of the power supply; the positive electrode of the fourth diode is connected with the positive electrode of the second diode, and the positive electrode of the first capacitor is connected with the positive electrode of the power supply.
4. The wide range output gain switching circuit of claim 3, wherein: the anode of the second capacitor is connected with the cathode of the third diode, and the cathode of the second capacitor is connected with the anode of the fourth diode.
5. The wide range output gain switching circuit of claim 4, wherein: the circuit also comprises a first resistor which is connected with the second capacitor in parallel.
6. The wide range output gain switching circuit of claim 1, wherein: the switch is at least one of a relay, an MOS tube or an IGBT.
7. The wide range output gain switching circuit of claim 1, wherein: the calculation formula of the first capacitor is
Where Iavg is the output average current, Vpp is the voltage ripple on C1, and fs is the switching frequency of the circuit.
8. A multiphase wide range output gain switching circuit, comprising: the wide-range output gain switching circuit comprises any one of a three-phase circuit secondary side single-phase full-bridge rectification circuit, a three-phase circuit secondary side three-phase full-bridge rectification circuit and a multiphase interleaved parallel circuit, wherein the wide-range output gain switching circuit comprises the circuits as claimed in claims 1-7.
9. A voltage converter, characterized by: comprising the wide range output gain switching circuit of claims 1-7 or the multiphase wide range output gain switching circuit of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927626.2A CN112117919A (en) | 2020-09-07 | 2020-09-07 | Wide-range output gain switching circuit and voltage converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927626.2A CN112117919A (en) | 2020-09-07 | 2020-09-07 | Wide-range output gain switching circuit and voltage converter |
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| Publication Number | Publication Date |
|---|---|
| CN112117919A true CN112117919A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010927626.2A Withdrawn CN112117919A (en) | 2020-09-07 | 2020-09-07 | Wide-range output gain switching circuit and voltage converter |
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| CN (1) | CN112117919A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956243A (en) * | 1998-08-12 | 1999-09-21 | Lucent Technologies, Inc. | Three-level boost rectifier with voltage doubling switch |
| CN108242895A (en) * | 2017-02-14 | 2018-07-03 | 陈扬 | Hybrid full-bridge voltage-doubler rectifier and its single-stage converter |
| WO2019144241A1 (en) * | 2018-01-29 | 2019-08-01 | Queen's University At Kingston | Resonant power converters and control methods for wide input and output voltage ranges |
-
2020
- 2020-09-07 CN CN202010927626.2A patent/CN112117919A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956243A (en) * | 1998-08-12 | 1999-09-21 | Lucent Technologies, Inc. | Three-level boost rectifier with voltage doubling switch |
| CN108242895A (en) * | 2017-02-14 | 2018-07-03 | 陈扬 | Hybrid full-bridge voltage-doubler rectifier and its single-stage converter |
| WO2019144241A1 (en) * | 2018-01-29 | 2019-08-01 | Queen's University At Kingston | Resonant power converters and control methods for wide input and output voltage ranges |
Non-Patent Citations (1)
| Title |
|---|
| WUBIN WANG,等: ""LLC Resonant Converter With Topology Morphing Rectifier for Wide Output Voltage Range Application"", 《2018 8TH INTERNATIONAL CONFERENCE ON POWER AND ENERGY SYSTEMS (ICPES)》 * |
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Application publication date: 20201222 |