CN101247090A - Multiphase DC-DC converter - Google Patents
Multiphase DC-DC converter Download PDFInfo
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- CN101247090A CN101247090A CNA2008100655101A CN200810065510A CN101247090A CN 101247090 A CN101247090 A CN 101247090A CN A2008100655101 A CNA2008100655101 A CN A2008100655101A CN 200810065510 A CN200810065510 A CN 200810065510A CN 101247090 A CN101247090 A CN 101247090A
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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 present invention relates to a multiphase direct current-direct current converter which comprises at least two resonance transforming device circuits which are parallel connected between the input positive-negative bus-bar and the output positive-negative bus-bar and a control circuit that guarantees the same-frequency error-phase operation of the resonance transforming device circuit by transmitting the control signal, and a pre-adjusting device circuit is provided between random resonance transforming device circuit and the input positive-negative bus-bar. The control circuit controls the same-frequency error-phase operation of the pre-adjusting device circuit, and at the same time leads to the same output current of the resonance transforming device circuit by adjusting the output voltage of the pre-adjusting device circuit. The applying of the multiphase direct current-direct current converter can lead to the same-frequency error-phase operation of the two resonance transforming devices, and the voltage of two pre-adjusting device circuits is respectively adjusted to lead to the same output voltage of two resonance transforming devices thereby facilitating the same output current of two resonance transforming devices. Thereby the problem that the two currents are not balanced and even a current does not transfer power to the auxiliary edge when a difference exists in the resonance parameter of two resonance transforming devices is settled.
Description
Technical field
The present invention relates to multiphase DC-DC converter, more particularly, relate to a kind of at least two multiphase DC-DC converters that the pre-regulator circuit is connected with the controlled resonant converter of two parallel connections respectively at least.
Background technology
Patent US6583999B1 discloses DC-DC converter as shown in Figure 1.DC-DC converter comprises the controlled resonant converter circuit of a BOOST circuit and a pair of parallel connection, and the first and second controlled resonant converter circuit can reduce the output ripple electric current with the 90 degree work of same frequency misphase.But when if the resonant parameter of first and second controlled resonant converters there are differences, the current unevenness weighing apparatus of two-way when the resonant parameter diversity ratio is big, even has one the tunnel toward the secondary transmitted power.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of with at least two multiphase DC-DC converters that the pre-regulator circuit is connected with the controlled resonant converter of two parallel connections respectively at least.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of multiphase DC-DC converter, comprise be connected in parallel input positive and negative busbar and output between the positive and negative busbar at least two controlled resonant converter circuit and guarantee that by transmitting control signal described controlled resonant converter circuit with the control circuit of misphase work frequently, all has the pre-regulator circuit between arbitrary described controlled resonant converter circuit and described input positive and negative busbar.Described control circuit is controlled described pre-regulator circuit with misphase work frequently, by regulating the output voltage of described pre-regulator circuit, makes described controlled resonant converter circuit output current identical simultaneously.
In multiphase DC-DC converter of the present invention, described pre-regulator circuit is BOOST type pre-regulator circuit or power factor correction circuit.
In multiphase DC-DC converter of the present invention, described controlled resonant converter circuit is series resonant converter circuit, parallel resonance converter circuit or series parallel resonance converter circuit.
In a preferred embodiment, multiphase DC-DC converter of the present invention comprises the first controlled resonant converter circuit and the second controlled resonant converter circuit, and lays respectively at the first pre-regulator circuit and the second pre-regulator circuit before it.
Further, the described first pre-regulator circuit comprises inductance component L 11, diode D11, switching tube S11 and capacitor C 11;
One end of described inductance component L 11 is connected with described input positive bus-bar, and the other end is connected with the anode of described diode D11 and first end of described switching tube S11 respectively;
Second end of described switching tube S11 is connected with described input negative busbar, control end is connected to described control circuit;
One end of described capacitor C 11 is connected with the negative electrode of described diode D11, and the other end is connected with described input negative busbar.
The described second pre-regulator circuit comprises inductance component L 12, diode D12, switching tube S12 and capacitor C 12;
One end of described inductance component L 12 is connected with described input positive bus-bar, and the other end is connected with the anode of described diode D12 and first end of described switching tube S12 respectively;
Second end of described switching tube S12 is connected with described input negative busbar, and control end is connected to described control circuit;
One end of described capacitor C 12 is connected with the negative electrode of described diode D12, and the other end is connected with described input negative busbar.
Preferably, described switching tube S11 and described switching tube S12 are with the frequency displacement staggered conducting of 180 degree mutually.
In another preferred embodiment, multiphase DC-DC converter of the present invention comprises the first controlled resonant converter circuit and the second controlled resonant converter circuit, be connected with the first pre-regulator circuit and the second pre-regulator circuit before it respectively, the described first controlled resonant converter circuit and the second controlled resonant converter circuit are half-bridge, full-bridge or three electric structures.
Preferably, the described first controlled resonant converter circuit comprises first resonant circuit, transformer T1 and first rectification circuit; The output of described first resonant circuit is connected with transformer T1, and the output of described transformer T1 connects first rectification circuit, and described first rectification circuit is bridge rectifier or synchronous rectification;
The described second controlled resonant converter circuit comprises second resonant circuit, transformer T2 and second rectification circuit; The output of described second resonant circuit is connected with transformer T2, and the output of described transformer T2 connects second rectification circuit, and described second rectification circuit is bridge rectifier or synchronous rectification
Described first resonant circuit comprises: switching tube S1, switching tube S2, capacitor C r1, capacitor C r2 and inductance component L r1;
Wherein, first end of described switching tube S1 is connected with the output of the described first pre-regulator circuit, and second end of described switching tube S1 is connected with the former limit of described transformer T1 winding one end with first end of described switching tube S2 respectively;
Second end of described switching tube S2 is connected to described input negative busbar;
The end of described capacitor C r1 is connected with the output of the described first pre-regulator circuit, the other end is connected with the end of described capacitor C r2 and the end of described inductance component L r1 respectively;
The other end of described capacitor C r2 is connected to the input negative busbar;
The other end of described inductance component L r1 is connected to the former limit of the described transformer T1 winding other end;
Described second resonant circuit comprises: switching tube S3, switching tube S4, capacitor C r3, capacitor C r4 and inductance component L r2;
Wherein, first end of described switching tube S3 is connected with the output of the described second pre-regulator circuit, and second end of described switching tube S3 is connected with first end of described switching tube S4 and an end of the former limit of described transformer T2 winding respectively;
Second end of described switching tube S4 is connected to described input negative busbar;
The end of described capacitor C r3 is connected with the output of the described second pre-regulator circuit, the other end is connected with the end of described capacitor C r4 and the end of described inductance component L r2 respectively;
The other end of described capacitor C r4 is connected to the input negative busbar;
The other end of described inductance component L r2 is connected to the other end of the former limit of described transformer T2 winding;
The control end of described switching tube S1, switching tube S2, switching tube S3, switching tube S4 is connected to described control circuit.
Preferably, described switching tube S1 and S3 are with the frequency displacement staggered conducting of 90 degree mutually.
Preferably, described switching tube S2 and described switching tube S4 are with the frequency displacement staggered conducting of 90 degree mutually.
Preferably, multiphase DC-DC converter of the present invention also comprises the filter capacitor Co that is connected between described controlled resonant converter circuit in parallel and the output positive and negative busbar.
The invention has the beneficial effects as follows, can make the two-way controlled resonant converter, regulate two-way pre-regulator circuit voltage respectively and make two-way controlled resonant converter output voltage identical, thereby make the output current of two-way controlled resonant converter identical with misphase work frequently.Thereby when solving two controlled resonant converter resonant parameters and there are differences, two-way current unevenness weighing apparatus, even have one the tunnel not toward the problem of secondary transmitted power.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the circuit theory diagrams of multiphase DC-DC converter in the prior art;
Fig. 2 is the schematic block circuit diagram of multiphase DC-DC converter first embodiment of the present invention;
Fig. 3 is the schematic block circuit diagram of multiphase DC-DC converter second embodiment of the present invention
Embodiment
Multiphase DC-DC converter of the present invention comprise be connected in parallel input positive and negative busbar 11,12 and output between the positive and negative busbar 21,22 at least two controlled resonant converter circuit and guarantee the controlled resonant converter circuit by transmitting control signal with the control circuit 7 of misphase work frequently, the pre-regulator circuit is all arranged at arbitrary controlled resonant converter circuit with importing between the positive and negative busbar.Control circuit 7 control pre-regulator circuit by regulating the output voltage of pre-regulator circuit, make controlled resonant converter circuit output current identical with misphase work frequently simultaneously.In force, the pre-regulator circuit can be BOOST type pre-regulator circuit or power factor correction circuit; The controlled resonant converter circuit is series resonant converter circuit, parallel resonance converter circuit or series parallel resonance converter circuit.
When this multiphase DC-DC converter comprises two BOOST type pre-regulator circuit, during two half bridge resonant transformer circuit, the input of two BOOST type pre-regulator circuit and inlet highway coupling, the output of two BOOST type pre-regulator circuit is respectively as the input of two half bridge resonant transformers, the output of two half bridge resonant transformer circuit and the coupling of output positive and negative busbar, a filter capacitor is coupled with the output positive and negative busbar.Control circuit guarantees two half bridge resonant transformers with misphase 90 degree work frequently, and two BOOST type pre-regulator circuit are with misphase 180 degree work frequently.The output voltage of two BOOST type pre-regulator circuit output voltages, controlled resonant converter and the output current signal of two controlled resonant converters are as the input signal of control circuit.Two BOOST type pre-regulator circuit outputs do not have coupling, has independent voltage loop, the output current of two half bridge resonant transformers is as the Voltage loop input signal of two BOOST type pre-regulator circuit, regulate two BOOST type pre-regulator circuit output voltages respectively, make two half bridge resonant transformer output voltages identical, thereby make the output current of two half bridge resonant transformers identical.The controlled resonant converter circuit can be series resonant converter circuit, parallel resonance converter circuit, series parallel resonance converter circuit or LLC controlled resonant converter circuit.
As shown in Figure 2, in preferred the enforcement, this multiphase DC-DC converter comprises the first controlled resonant converter circuit 3 and the second controlled resonant converter circuit 4, and lays respectively at the first pre-regulator circuit 5 and the second pre-regulator circuit 6 before it.The first pre-regulator circuit 5 comprises inductance component L 11, diode D11, switching tube S11 and capacitor C 11; One end of inductance component L 11 is connected with described input positive bus-bar 11, and the other end is connected with the anode of diode D11 and first end of switching tube S11 respectively; Second end of switching tube S11 is connected with input negative busbar 12, control end is connected to control circuit 7; One end of capacitor C 11 is connected with the negative electrode of diode D11, and the other end is connected with input negative busbar 12.The second pre-regulator circuit comprises inductance component L 12, diode D12, switching tube S12 and capacitor C 12; One end of inductance component L 12 is connected with input positive bus-bar 11, and the other end is connected with the anode of diode D12 and first end of switching tube S12 respectively; Second end of switching tube S12 is connected with described input negative busbar 12, and control end is connected to described control circuit 7; One end of capacitor C 12 is connected with the negative electrode of described diode D12, and the other end is connected with described input negative busbar 12.In concrete work, switching tube S11 and switching tube S12 can be with the frequency displacement staggered conductings of 180 degree mutually.
In further preferred the enforcement, the described first controlled resonant converter circuit 3 comprises first resonant circuit 31, transformer T1 and rectification circuit 33; The output of first resonant circuit 31 is connected with transformer T1, and the output of transformer T1 connects first rectified current (3), and first rectified current (3) is bridge rectifier or synchronous rectification; The second controlled resonant converter circuit 4 comprises second resonant circuit 32 and transformer T2; The output of second resonant circuit 41 is connected with transformer T2, and the output of transformer T2 connects second rectification circuit 43, and rectification circuit 43 is bridge rectifier or synchronous rectification
As shown in Figure 3, in another preferred concrete enforcement, the first controlled resonant converter circuit 3 comprises: first resonant circuit 31 that is connected in series successively, transformer T1 and first rectification circuit 33.First resonant circuit 31 comprises: switching tube S1, S2, S3, S4, capacitor C r1 and inductance component L r1; Wherein, first end of switching tube S1, S3 is connected with the output of pre-regulator circuit 5, and second end of switching tube S1 is connected with first end of switching tube S2 and the end of capacitor C r1 respectively; The other end of capacitor C r1 is connected with an end of the former limit winding of transformer T1; Second end of switching tube S3 is connected with first end of switching tube S4 and the end of inductance component L r1 respectively; The other end of inductance component L r1 is connected with the other end of the former limit winding of transformer T1, and second end of switching tube S3, S4 is connected to input negative busbar 12; The control end of switching tube S1, S2, S3, S4 is connected to control circuit 7.Switching tube S1 and S3 are with the frequency displacement staggered conducting of 90 degree mutually.Switching tube S1 and switching tube S3 are with the frequency displacement staggered conducting of 90 degree mutually.Switching tube S2 and switching tube S4 are with the frequency displacement staggered conducting of 90 degree mutually.Rectification circuit 33 is bridge rectifier or synchronous rectification.The second controlled resonant converter circuit 4 is half-bridge, full-bridge or three electric structures, comprising: first resonant circuit 41 that is connected in series successively, transformer T2 and second rectification circuit 43.First resonant circuit 41 comprises: switching tube S5, S6, S7, S8, capacitor C r2 and inductance component L r2; Wherein, first end of switching tube S5, S7 is connected with the output of pre-regulator circuit 6, and second end of switching tube S5 is connected with first end of switching tube S6 and the end of capacitor C r2 respectively; The other end of capacitor C r2 is connected with an end of the former limit winding of transformer T2; Second end of switching tube S7 is connected with first end of switching tube S8 and the end of inductance component L r2 respectively; The other end of inductance component L r2 is connected with the other end of the former limit winding of transformer T2, and second end of switching tube S6, S8 is connected to input negative busbar 12; The control end of switching tube S5, S6, S7, S8 is connected to control circuit 7.Rectification circuit 43 is bridge rectifier or synchronous rectification.
In further implementing, this multiphase DC-DC converter also comprises the filter capacitor Co that is connected between described controlled resonant converter circuit 3,4 in parallel and the output positive and negative busbar 21,22.This filter capacitor Co power frequency is described switching tube S1, S2, S3 or S4 switching frequency four times.
The present invention is described by some embodiment, and those skilled in the art know, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes or equivalence replacement to these features and embodiment.In addition, under instruction of the present invention, can make amendment to these features and embodiment can not break away from the spirit and scope of the present invention to adapt to concrete situation and material.Therefore, the present invention is not subjected to the restriction of specific embodiment disclosed herein, and all interior embodiment of claim scope that fall into the application belong to protection scope of the present invention.
Claims (11)
1, a kind of multiphase DC-DC converter, comprise at least two controlled resonant converter circuit being connected in parallel between input positive and negative busbar (11,12) and output positive and negative busbar (21,22) and guarantee the control circuit (7) of described controlled resonant converter circuit by transmitting control signal with the work of frequency misphase, it is characterized in that between arbitrary described controlled resonant converter circuit and described input positive and negative busbar, the pre-regulator circuit being arranged all.The described pre-regulator circuit of described control circuit (7) control by regulating the output voltage of described pre-regulator circuit, makes described controlled resonant converter circuit output current identical with misphase work frequently simultaneously.
2, multiphase DC-DC converter according to claim 1 is characterized in that, described pre-regulator circuit is BOOST type pre-regulator circuit or power factor correction circuit.
3, multiphase DC-DC converter according to claim 1 is characterized in that, described controlled resonant converter circuit is series resonant converter circuit, parallel resonance converter circuit or series parallel resonance converter circuit.
4, according to any described multiphase DC-DC converter of claim 1～3, it is characterized in that, comprise the first controlled resonant converter circuit (3) and the second controlled resonant converter circuit (4), and lay respectively at the first pre-regulator circuit (5) and the second pre-regulator circuit (6) before it.
5, multiphase DC-DC converter according to claim 4 is characterized in that, the described first pre-regulator circuit (5) comprises inductance component L 11, diode D11, switching tube S11 and capacitor C 11;
One end of described inductance component L 11 is connected with described input positive bus-bar (11), and the other end is connected with the anode of described diode D11 and first end of described switching tube S11 respectively;
Second end of described switching tube S11 is connected with described input negative busbar (12), control end is connected to described control circuit (7);
One end of described capacitor C 11 is connected with the negative electrode of described diode D11, and the other end is connected with described input negative busbar (12).
The described second pre-regulator circuit (6) comprises inductance component L 12, diode D12, switching tube S12 and capacitor C 12;
One end of described inductance component L 12 is connected with described input positive bus-bar (11), and the other end is connected with the anode of described diode D12 and first end of described switching tube S12 respectively;
Second end of described switching tube S12 is connected with described input negative busbar (12), and control end is connected to described control circuit (7);
One end of described capacitor C 12 is connected with the negative electrode of described diode D12, and the other end is connected with described input negative busbar (12).
According to any described multiphase DC-DC converter of claim 5, it is characterized in that 6, described switching tube S11 and described switching tube S12 are with the frequency displacement staggered conducting of 180 degree mutually.
7, according to any described multiphase DC-DC converter of claim 1～3, it is characterized in that, comprise the first controlled resonant converter circuit (3) and the second controlled resonant converter circuit (4), be connected with the first pre-regulator circuit (5) and the second pre-regulator circuit (6) before it respectively, the described first controlled resonant converter circuit (3) and the second controlled resonant converter circuit (4) are half-bridge, full-bridge or three electric structures.
8, multiphase DC-DC converter according to claim 7 is characterized in that, the described first controlled resonant converter circuit (3) comprises first resonant circuit (31), transformer T1 and first rectification circuit (33); The output of described first resonant circuit (31) is connected with transformer T1, and the output of described transformer T1 connects first rectification circuit (33), and described first rectification circuit (33) is bridge rectifier or synchronous rectification;
The described second controlled resonant converter circuit (4) comprises second resonant circuit (32), transformer T2 and second rectification circuit (43); The output of described second resonant circuit (41) is connected with transformer T2, and the output of described transformer T2 connects second rectification circuit (43), and described second rectification circuit (43) is bridge rectifier or synchronous rectification
Described first resonant circuit (31) comprising: switching tube S1, switching tube S2, capacitor C r1, capacitor C r2 and inductance component L r1;
Wherein, first end of described switching tube S1 is connected with the output of the described first pre-regulator circuit (5), and second end of described switching tube S1 is connected with the former limit of described transformer T1 winding one end with first end of described switching tube S2 respectively;
Second end of described switching tube S2 is connected to described input negative busbar (12);
The end of described capacitor C r1 is connected with the output of the described first pre-regulator circuit (5), the other end is connected with the end of described capacitor C r2 and the end of described inductance component L r1 respectively;
The other end of described capacitor C r2 is connected to input negative busbar (12);
The other end of described inductance component L r1 is connected to the former limit of the described transformer T1 winding other end;
Described second resonant circuit (41) comprising: switching tube S3, switching tube S4, capacitor C r3, capacitor C r4 and inductance component L r2;
Wherein, first end of described switching tube S3 is connected with the output of the described second pre-regulator circuit (6), and second end of described switching tube S3 is connected with first end of described switching tube S4 and an end of the former limit of described transformer T2 winding respectively;
Second end of described switching tube S4 is connected to described input negative busbar (12);
The end of described capacitor C r3 is connected with the output of the described second pre-regulator circuit (6), the other end is connected with the end of described capacitor C r4 and the end of described inductance component L r2 respectively;
The other end of described capacitor C r4 is connected to input negative busbar (12);
The other end of described inductance component L r2 is connected to the other end of the former limit of described transformer T2 winding;
The control end of described switching tube S1, switching tube S2, switching tube S3, switching tube S4 is connected to described control circuit (7).
9, multiphase DC-DC converter according to claim 8, described switching tube S1 and S3 are with the frequency displacement staggered conducting of 90 degree mutually.
10, multiphase DC-DC converter according to claim 8 is characterized in that, described switching tube S2 and described switching tube S4 are with the frequency displacement staggered conducting of 90 degree mutually.
11, any according to Claim 8 described multiphase DC-DC converter is characterized in that, also comprises the filter capacitor Co that is connected between described controlled resonant converter circuit (3,4) in parallel and the output positive and negative busbar (21,22).
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| CNA2008100655101A CN101247090A (en) | 2008-03-07 | 2008-03-07 | Multiphase DC-DC converter |
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| CNA2008100655101A CN101247090A (en) | 2008-03-07 | 2008-03-07 | Multiphase DC-DC converter |
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| CN102364861A (en) * | 2011-10-27 | 2012-02-29 | 上海大学 | Control device and method for interleaved parallel LLC (Logical Link Control) resonant converter |
| CN102684464A (en) * | 2011-03-15 | 2012-09-19 | 雅达电子国际有限公司 | Resonant converter device and use method therefor |
| CN102948062A (en) * | 2010-06-22 | 2013-02-27 | 株式会社理光 | Multi-phase converter |
| CN103457471A (en) * | 2013-09-13 | 2013-12-18 | 华为技术有限公司 | Resonant converter |
| CN103563232A (en) * | 2011-04-12 | 2014-02-05 | 弗莱克斯电子有限责任公司 | Multi-phase resonant converter |
| CN105141135A (en) * | 2015-08-31 | 2015-12-09 | 天津电气科学研究院有限公司 | Control method for multi-way parallel full-bridge LLC converter in cascading power supply system |
| CN106655771A (en) * | 2016-08-31 | 2017-05-10 | 深圳市航天新源科技有限公司 | Power supply converter suitable for coach powered by hydrogen proton membrane fuel cell |
| CN108258914A (en) * | 2018-03-19 | 2018-07-06 | 珠海英搏尔电气股份有限公司 | Staggeredly resonant transform circuit and its control method |
| CN108616215A (en) * | 2016-12-13 | 2018-10-02 | 深圳职业技术学院 | a kind of resonance circuit |
| CN108900091A (en) * | 2018-07-06 | 2018-11-27 | 华南理工大学 | A kind of topological structure based on LLC resonant converter |
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| CN111446864A (en) * | 2020-04-24 | 2020-07-24 | 深圳威迈斯新能源股份有限公司 | Multiphase DC/DC parallel control method and control circuit thereof |
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| CN102948062A (en) * | 2010-06-22 | 2013-02-27 | 株式会社理光 | Multi-phase converter |
| CN102684464A (en) * | 2011-03-15 | 2012-09-19 | 雅达电子国际有限公司 | Resonant converter device and use method therefor |
| CN102684464B (en) * | 2011-03-15 | 2016-03-09 | 雅达电子国际有限公司 | Resonant converter device and the method for resonant converter device |
| CN103563232A (en) * | 2011-04-12 | 2014-02-05 | 弗莱克斯电子有限责任公司 | Multi-phase resonant converter |
| CN103563232B (en) * | 2011-04-12 | 2016-06-01 | 弗莱克斯电子有限责任公司 | Multi-phase resonant converter |
| CN102364861A (en) * | 2011-10-27 | 2012-02-29 | 上海大学 | Control device and method for interleaved parallel LLC (Logical Link Control) resonant converter |
| CN103457471B (en) * | 2013-09-13 | 2017-04-12 | 华为技术有限公司 | Resonant converter |
| CN103457471A (en) * | 2013-09-13 | 2013-12-18 | 华为技术有限公司 | Resonant converter |
| CN105141135B (en) * | 2015-08-31 | 2017-12-29 | 天津电气科学研究院有限公司 | The control method of multi-channel parallel full-bridge LLC converters in a kind of cascading power source system |
| CN105141135A (en) * | 2015-08-31 | 2015-12-09 | 天津电气科学研究院有限公司 | Control method for multi-way parallel full-bridge LLC converter in cascading power supply system |
| CN106655771A (en) * | 2016-08-31 | 2017-05-10 | 深圳市航天新源科技有限公司 | Power supply converter suitable for coach powered by hydrogen proton membrane fuel cell |
| CN109964397A (en) * | 2016-11-01 | 2019-07-02 | 三菱电机株式会社 | Power conversion device |
| CN108616215A (en) * | 2016-12-13 | 2018-10-02 | 深圳职业技术学院 | a kind of resonance circuit |
| CN108258914A (en) * | 2018-03-19 | 2018-07-06 | 珠海英搏尔电气股份有限公司 | Staggeredly resonant transform circuit and its control method |
| CN108258914B (en) * | 2018-03-19 | 2023-12-08 | 珠海英搏尔电气股份有限公司 | Interleaved resonant conversion circuit and control method thereof |
| CN108900091A (en) * | 2018-07-06 | 2018-11-27 | 华南理工大学 | A kind of topological structure based on LLC resonant converter |
| CN108900091B (en) * | 2018-07-06 | 2019-08-20 | 华南理工大学 | A kind of topological structure based on LLC resonant converter |
| CN111446864A (en) * | 2020-04-24 | 2020-07-24 | 深圳威迈斯新能源股份有限公司 | Multiphase DC/DC parallel control method and control circuit thereof |
| CN112968589A (en) * | 2021-02-08 | 2021-06-15 | 矽力杰半导体技术(杭州)有限公司 | Control circuit and multiphase power converter applying same |
| CN117134642A (en) * | 2023-10-27 | 2023-11-28 | 深圳鹏城新能科技有限公司 | Inverter circuit control method, inverter circuit and energy storage device |
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