WO2018036315A1 - Convertisseur résonnant et procédé de traitement de courant - Google Patents

Convertisseur résonnant et procédé de traitement de courant Download PDF

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Publication number
WO2018036315A1
WO2018036315A1 PCT/CN2017/093717 CN2017093717W WO2018036315A1 WO 2018036315 A1 WO2018036315 A1 WO 2018036315A1 CN 2017093717 W CN2017093717 W CN 2017093717W WO 2018036315 A1 WO2018036315 A1 WO 2018036315A1
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WO
WIPO (PCT)
Prior art keywords
resonant
circuit
bridge inverter
units
transformer
Prior art date
Application number
PCT/CN2017/093717
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English (en)
Chinese (zh)
Inventor
李丹
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中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018036315A1 publication Critical patent/WO2018036315A1/fr

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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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • 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
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular to a resonant converter and a current processing method.
  • Resonant converters are more and more widely used in DC-DC converter circuits due to their high efficiency and high power density, especially multi-phase interleaved resonant converters, which inherit the high efficiency advantages of single-phase resonant converters. Moreover, the ripple current is effectively reduced, and the problem that the filter capacitor is too large and the volume is too large when the resonant converter is applied in medium and large power applications is solved.
  • the circuit of the conventional multiphase interleaved resonant converter generally has an input terminal and an output terminal connected in parallel, and the switching transistor driving signals of the phase circuits are staggered. At a certain angle, the ripple currents between the different phases cancel each other, thereby reducing the output current ripple.
  • the parameters of each phase circuit cannot be guaranteed to be completely consistent. Therefore, the method of directly connecting the input terminal and the output terminal directly requires a more complicated control method to ensure the current sharing between the phase circuits. Power balance.
  • the embodiment of the invention provides a resonant converter and a current processing method, so as to at least solve the direct parallel connection between the input end and the output end of the resonant converter in the related art, which leads to the need to adopt a more complicated control method to ensure the average between the phase circuits. Flow and power balance issues.
  • a resonant converter comprising: two or more resonant units, each resonant unit comprising: a bridge inverter circuit, a resonant circuit, a transformer, a rectifier circuit, a filter circuit;
  • the input end of the inverter circuit is connected to the input end of the DC voltage
  • the output end of the bridge inverter circuit is connected to the input end of the resonant circuit
  • the output end of the resonant circuit is first with the primary side of the transformer
  • the input end is connected, the first output end of the secondary side of the transformer is connected to the input end of the rectifier circuit, the output end of the rectifier circuit and the filter circuit
  • the second input end of the primary side of the transformer of the two or more resonant units is a polygonal connection or a star connection, and the primary sides of the transformers of the two or more resonant units are suspended.
  • the resonant converter further includes: a second output end of the transformer secondary side of the two or more resonant units is a star connection, and a connection point of the star connection is connected to a midpoint of the filter circuit, wherein The midpoint of the filter circuit is a series connection point of two sets of capacitors in the filter circuit.
  • the bridge inverter circuit comprises a half bridge inverter circuit and a full bridge inverter circuit.
  • the bridge inverter circuit is a half bridge inverter circuit
  • the bridge inverter circuit includes two first switch tubes; and the bridge inverter circuit is a full bridge inverter circuit.
  • the bridge inverter circuit includes four first switching tubes, wherein the first switching tube includes one of the following: a bidirectional controllable metal oxide semiconductor field effect transistor, which can turn off the thyristor.
  • the resonant circuit includes a resonant inductor and a resonant capacitor.
  • the resonant circuit is a series resonance, a parallel resonance, a series-parallel resonance or an LLC series resonance.
  • the rectifier circuit is a full-wave rectifier circuit, including two second switch tubes.
  • the second switching transistor comprises one of the following: a metal oxide field effect transistor, a bidirectional controllable metal oxide semiconductor field effect transistor, an insulated gate bipolar transistor, a turn-off thyristor, and a diode.
  • a current processing method comprising: a polygonal connection or a star connection between two ends of a transformer primary side of two or more resonance units of a resonant converter and the two The primary connection points of the transformers of the above resonant units are in a suspended state, such that the current amplitudes of the primary sides of the transformers of the two or more resonant units are equal, wherein the two or more resonant units are staggered by a predetermined angle.
  • a computer storage medium is further provided, and the computer storage medium may store an execution instruction for performing the implementation of the current processing method in the above embodiment.
  • the second input of the primary side of the transformer due to more than two resonant units is a polygonal connection or a star connection, and the primary side of the transformer of the two or more resonance units is in a floating state, and the current amplitudes of the primary sides of the transformers of the two or more resonance units can be made equal regardless of whether the circuit parameters of the respective phases are consistent. That is, the problem of poor current sharing of the resonant converter in the related art can be overcome without using a more complicated control method.
  • FIG. 2 is a schematic structural view of a resonant converter according to an embodiment of the present invention.
  • FIG. 3 is a first schematic structural view of a resonant converter according to an embodiment of the present invention.
  • FIG. 4 is a second schematic structural view of a resonant converter according to an embodiment of the present invention.
  • FIG. 5 is a third schematic structural diagram of a resonant converter according to an embodiment of the present invention.
  • FIG. 6 is a flow chart of a current processing method in accordance with an embodiment of the present invention.
  • a resonant converter which is composed of two or two
  • the upper resonance unit is composed, and the driving signals between the respective resonance units are shifted by a certain angle to achieve the effect of reducing the ripple current.
  • the resonant converter is not only highly efficient, but also achieves current sharing and power balance between the various resonant units.
  • the resonant converter includes two or more resonant units, each of which includes: a bridge inverter circuit, a resonant circuit, a transformer, The rectifier circuit and the filter circuit; the input end of the bridge inverter circuit is connected to the input end of the DC voltage, and the output end of the bridge inverter circuit is connected to the input end of the resonance circuit (for example, the ends of the bridge inverter circuit of each resonance unit are The input voltage is connected, and the upper and lower switch tubes are connected in series, and the middle points of the two switch tubes are connected to the input end of the resonant circuit), the output end of the resonant circuit is connected to the first input end of the primary side of the transformer, and the first output end of the secondary side of the transformer Connected to the input end of the rectifier circuit, the output end of the rectifier circuit is connected to the filter circuit, and the second input end of the transformer primary
  • the second input end of the primary side of the transformer of the two or more resonant units is a polygonal connection or a star connection, and the primary side of the transformer of the two or more resonant units is in a floating state, it is not necessary to consider whether the parameters of the respective phase circuits are consistent.
  • the current amplitudes of the primary sides of the transformers of two or more resonant units can be made equal, that is, the problem of poor current sharing of the resonant converters in the related art can be overcome without using a more complicated control method.
  • the resonant converter further includes: a second output end of the transformer secondary side of the two or more resonant units is a star connection, and a connection point of the star connection is connected to a midpoint of the filter circuit, wherein The midpoint of the filter circuit is the series connection point of the two sets of capacitors in the filter circuit.
  • EMC Electro Magnetic Compatibility
  • FIG. 3 is a first schematic diagram of a preferred structure of a resonant converter according to an embodiment of the present invention.
  • the resonant converter includes a resonant transform unit, and the resonant transform unit includes a bridge inverter circuit, a resonant circuit, a transformer, a rectifier circuit, and a filter circuit.
  • the two ends of the bridge inverter circuit are connected with the input voltage, and the upper and lower two switch tubes are connected in series, and the midpoints of the two switch tubes are connected with the input end of the resonant circuit, and the output end of the resonant circuit is connected with the first input end of the transformer, and the transformer is An output end is connected to the input end of the rectifier circuit, and the rectifier circuit is composed of two upper and lower switch tubes, and the two ends of the rectifier circuit are respectively connected in parallel with the output filter circuit.
  • the bridge inverter circuit includes a half bridge inverter circuit and a full bridge inverter circuit.
  • the bridge inverter circuit is a half bridge inverter circuit
  • the bridge inverter circuit includes two first switch tubes, and the positions are respectively located in the upper tube and the lower tube of the bridge arm of the bridge inverter circuit.
  • the bridge inverter circuit is full-bridge inverter power
  • the bridge inverter circuit includes four first switch tubes, and the positions are respectively located on the super forearm upper tube, the super forearm lower tube, and the lag arm of the bridge inverter circuit.
  • the first switching tube comprises one of the following: a bidirectional controllable metal oxide semiconductor field effect transistor, which can turn off the thyristor.
  • the resonant circuit described above includes a resonant inductor and a resonant capacitor.
  • the resonant circuit is a series resonance, a parallel resonance, a series-parallel resonance or an LLC series resonance.
  • the rectifier circuit is a full-wave rectifier circuit, and includes two second switch tubes.
  • the second switch tube comprises one of the following: a metal oxide field effect transistor, a bidirectional controllable metal oxide semiconductor field effect transistor, an insulated gate bipolar transistor, a turn-off thyristor, and a diode.
  • FIG. 4 is a schematic structural diagram 2 of a resonant converter according to an embodiment of the present invention, as shown in FIG.
  • the resonant converter in the embodiment is composed of three resonant conversion units connected in parallel, three units are respectively connected to two ends of the input voltage, and the primary side of the transformer of the resonant converter is connected and suspended by the second input end of each unit transformer.
  • the transformer secondary side of the resonant converter is star-connected through the second output of each unit transformer and connects the star connection point to the midpoint of the output filter circuit.
  • the driving signals between the three bridge arms of the primary side of the transformer are staggered by 120 degrees, and the upper and lower tube driving signals of the same bridge arm are staggered by 180 degrees, and the duty ratio of each switching tube does not exceed 50%.
  • the embodiment of the invention reduces the current ripple by using the three-phase parallel resonance conversion technology, thereby reducing the volume of the output filter capacitor and improving the power density of the power source. Moreover, the primary side of the transformer adopts a star connection mode, which ensures a good current sharing between the resonance conversion units.
  • FIG. 5 is a third schematic structural diagram of a resonant converter according to an embodiment of the present invention.
  • the resonant converter in this embodiment is composed of three resonant conversion units connected in parallel, and three units are respectively connected to the input voltage.
  • the primary side of the transformer of the resonant converter is triangulated and suspended by the second input of each unit transformer, and the secondary side of the transformer of the resonant converter is connected by a star of the second output of each unit transformer, and the star is connected
  • the type connection point is connected to the midpoint of the output filter circuit.
  • the driving signals between the three bridge arms of the primary side are staggered by 120 degrees, and the upper and lower tube driving signals of the same bridge arm are staggered by 180 degrees, and the duty ratio of each switching tube does not exceed 50%.
  • the embodiment of the invention reduces the current ripple by using the three-phase parallel resonance conversion technology, thereby reducing the volume of the output filter capacitor and improving the power density of the power source.
  • the primary side of the transformer adopts a triangular connection mode to ensure good current sharing and power balance between the various resonance conversion units.
  • FIG. 6 is a flowchart of a current processing method according to an embodiment of the present invention. As shown in FIG. 6, the method includes:
  • Step S602 a mode in which a primary connection or a star connection is connected between the second input ends of the transformer primary sides of the two or more resonance units of the resonant converter, and a primary connection point of the transformers of the two or more resonance units is in a floating state.
  • the current amplitudes of the primary sides of the transformers of the two or more resonant units are equal, wherein two or more resonant units are staggered by a predetermined angle.
  • the second input end of the primary side of the transformer of the two or more resonant units is a triangular connection or a star connection, and the primary side of the transformer of the two or more resonant units is in a floating state, it is not necessary to consider whether the parameters of the phase circuits are consistent.
  • the current amplitudes of the primary sides of the transformers of two or more resonant units can be made equal, that is, the resonance in the related art can be overcome without using a complicated control method.
  • the problem of poor current sharing in the converter is not necessary to consider whether the parameters of the phase circuits are consistent.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • a second input end of a transformer primary side of two or more resonant units is a polygonal connection or a star connection, and a transformer of two or more resonance units If the primary side is in a floating state, it is possible to make the current amplitudes of the primary sides of the transformers of two or more resonant units equal, regardless of whether the circuit parameters of the respective phases are consistent, that is, the resonant converter of the related art can be overcome without using a complicated control method. Poor current sharing problem.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

L'invention concerne un convertisseur résonnant et un procédé de traitement de courant. Le convertisseur résonnant comprend deux unités résonnantes ou plus. Chacune des unités résonnantes comprend : un circuit onduleur en pont, un circuit résonnant, un transformateur, un circuit de redressement et un circuit filtrant. Une borne d'entrée du circuit onduleur en pont est connectée à une borne d'entrée d'une source de tension en courant continu (CC). Une borne de sortie du circuit onduleur en pont est connectée à une borne d'entrée du circuit résonnant. Une borne de sortie du circuit résonnant est connectée à une première borne d'entrée au niveau d'un côté primaire du transformateur. Une borne de sortie au niveau d'un côté secondaire du transformateur est connectée à une borne d'entrée du circuit de redressement. Une borne de sortie du circuit de redressement est connectée au circuit filtrant. Les bornes d'entrée secondaires au niveau des côtés primaires des transformateurs des deux unités résonnantes ou plus sont connectées les unes aux autres et selon une configuration triangulaire ou une configuration en étoile. Les points de connexion au niveau des côtés primaires des transformateurs dans les deux unités résonnantes ou plus sont suspendus dans l'air. Par conséquent, le convertisseur n'a pas besoin d'utiliser un procédé de commande complexe pour surmonter un problème de flux de courant irrégulier dans un convertisseur résonnant dans l'état de la technique associé.
PCT/CN2017/093717 2016-08-23 2017-07-20 Convertisseur résonnant et procédé de traitement de courant WO2018036315A1 (fr)

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CN201610709622.0 2016-08-23
CN201610709622.0A CN107769565A (zh) 2016-08-23 2016-08-23 谐振变换器及电流处理方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111313711A (zh) * 2020-04-09 2020-06-19 深圳市华瑞新能源技术有限公司 电感同向耦合高频星型llc谐振变换装置及其控制方法
CN112688572A (zh) * 2020-12-31 2021-04-20 王艳萍 一种双向dc-dc变换器
CN114070071A (zh) * 2021-12-15 2022-02-18 深圳深源技术能源有限公司 一种高效双向dc-dc变换器
CN114825962A (zh) * 2022-04-28 2022-07-29 广东首航智慧新能源科技有限公司 多路谐振电路与谐振变换器
CN116633150A (zh) * 2023-05-17 2023-08-22 山东艾诺智能仪器有限公司 一种反向可调频升压三相双向llc谐振变换器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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CN109286330B (zh) * 2018-11-28 2024-06-07 深圳市优优绿能股份有限公司 一种大电流大功率功率变换器
CN113098277B (zh) * 2021-03-19 2022-09-23 合肥工业大学 五相llc谐振变换器及双目标预估优化控制方法
CN113179008B (zh) * 2021-05-12 2024-02-09 阳光电源股份有限公司 一种多相llc谐振dc/dc电路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201846235U (zh) * 2010-09-14 2011-05-25 艾默生网络能源系统北美公司 一种功率变换系统
CN102638167A (zh) * 2011-02-12 2012-08-15 艾默生网络能源系统北美公司 一种并联谐振变换器电路
EP2961054A1 (fr) * 2014-06-25 2015-12-30 Siemens Aktiengesellschaft Réglage d'un convertisseur de courant à résonance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5132888A (en) * 1991-01-07 1992-07-21 Unisys Corporation Interleaved bridge converter
CN103312174B (zh) * 2012-03-15 2016-06-01 台达电子企业管理（上海）有限公司 变换器电路及其布局以及谐振变换器电路及其布局
CN101895198B (zh) * 2010-06-18 2012-12-05 华南理工大学 高频变压器三角-星型联结的电流馈三电感升压变换器
WO2012007040A1 (fr) * 2010-07-15 2012-01-19 Abb Technology Ag Convertisseur cc/cc à base cellulaire
CN102545638B (zh) * 2012-01-20 2016-03-30 华为技术有限公司 交错并联三电平dc/dc变换器和ac/dc变换器
CN103683964A (zh) * 2013-12-20 2014-03-26 华为技术有限公司 谐振式双向变换器及不间断电源装置、及控制方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201846235U (zh) * 2010-09-14 2011-05-25 艾默生网络能源系统北美公司 一种功率变换系统
CN102638167A (zh) * 2011-02-12 2012-08-15 艾默生网络能源系统北美公司 一种并联谐振变换器电路
EP2961054A1 (fr) * 2014-06-25 2015-12-30 Siemens Aktiengesellschaft Réglage d'un convertisseur de courant à résonance

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111313711A (zh) * 2020-04-09 2020-06-19 深圳市华瑞新能源技术有限公司 电感同向耦合高频星型llc谐振变换装置及其控制方法
CN112688572A (zh) * 2020-12-31 2021-04-20 王艳萍 一种双向dc-dc变换器
CN112688572B (zh) * 2020-12-31 2024-06-07 深圳深源技术能源有限公司 一种双向dc-dc变换器
CN114070071A (zh) * 2021-12-15 2022-02-18 深圳深源技术能源有限公司 一种高效双向dc-dc变换器
CN114070071B (zh) * 2021-12-15 2024-06-07 深圳深源技术能源有限公司 一种高效双向dc-dc变换器
CN114825962A (zh) * 2022-04-28 2022-07-29 广东首航智慧新能源科技有限公司 多路谐振电路与谐振变换器
CN116633150A (zh) * 2023-05-17 2023-08-22 山东艾诺智能仪器有限公司 一种反向可调频升压三相双向llc谐振变换器
CN116633150B (zh) * 2023-05-17 2024-01-26 山东艾诺智能仪器有限公司 一种反向可调频升压三相双向llc谐振变换器

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