JP7030254B2 - Dc-dcコンバータ - Google Patents
Dc-dcコンバータ Download PDFInfo
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- JP7030254B2 JP7030254B2 JP2018119552A JP2018119552A JP7030254B2 JP 7030254 B2 JP7030254 B2 JP 7030254B2 JP 2018119552 A JP2018119552 A JP 2018119552A JP 2018119552 A JP2018119552 A JP 2018119552A JP 7030254 B2 JP7030254 B2 JP 7030254B2
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- 239000003990 capacitor Substances 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 23
- 230000003071 parasitic effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Classifications
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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
- H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
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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
- 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
- H02M3/33576—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 having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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
- H02M1/38—Means for preventing simultaneous conduction of switches
-
- 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
- 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
- H02M3/33576—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 having at least one active switching element at the secondary side of an isolation transformer
-
- 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
- H02M3/337—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 in push-pull configuration
- H02M3/3376—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 in push-pull configuration with automatic control of output voltage or current
-
- 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
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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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
複雑となり、生産性の向上およびコストダウンを図ることが難しい。
図1は、本実施形態に係るDC-DCコンバータ1の回路図である。
以下に、各スイッチング素子Q11~Q14、Q21~Q24のソフトスイッチング動作について説明する。なお、本実施の形態では、3-LEVEL方式のDAB制御が採用されている。
t0~t1期間では、スイッチング素子Q11、Q14がオン、スイッチング素子Q12、Q13がオフである。
t1~t2期間では、スイッチング素子Q12、Q14がオン、スイッチング素子Q11、Q13がオフである。この場合、図5に示すように、スイッチング素子Q14、スイッチング素子Q12からインダクタLの経路に電流が流れる。このときの電圧V1はゼロである。
t2~t3期間では、スイッチング素子Q12、Q13がオン、スイッチング素子Q11、Q14がオフである。タイミングt2で、スイッチング素子Q13をターンオンした直後は、図6に示すように、直流電源E1、スイッチング素子Q12、インダクタL、第2フルブリッジ回路20、スイッチング素子Q13、直流電源E1の経路に電流が流れる。この電流は、直流電源E1に逆流することになり、その結果、図7に示すように、直流電源E1、スイッチング素子Q13、第2フルブリッジ回路20、インダクタL、スイッチング素子Q12、直流電源E1の経路に電流が流れるようになる。この期間の電圧V1は、t0~t1期間と逆極性となる。
t3~t0期間では、スイッチング素子Q11、Q13がオン、スイッチング素子Q12、Q14がオフである。この場合、図8に示すように、インダクタL、スイッチング素子Q11、スイッチング素子Q13の経路に電流が流れる。このときの電圧V1はゼロである。
制御回路30は、各スイッチング素子の駆動信号の位相を制御して、DC-DCコンバータ1の出力電力を制御する。
以上、本発明の一実施形態について説明したが、本発明は、上記の実施形態に限定されるものではない。
10 :第1フルブリッジ回路
20 :第2フルブリッジ回路
30 :制御回路
C11、C12、C13、C14:キャパシタ
C21、C22、C23、C24:キャパシタ
D11、D12、D13、D14:ダイオード
D21、D22、D23、D24:ダイオード
E1、E2:直流電源
IL :インダクタ電流
IO11、IO12:入出力端子
IO21、IO22:入出力端子
L :インダクタ
L1 :インダクタ
Q11、Q12、Q13、Q14:スイッチング素子
Q21、Q22、Q23、Q24:スイッチング素子
T :トランス
Claims (5)
- 寄生容量であるキャパシタ、または、並列接続された外付けのキャパシタを含む、4つのスイッチング素子を有する第1フルブリッジ回路と、
寄生容量であるキャパシタ、または、並列接続された外付けのキャパシタを含む、4つのスイッチング素子を有する第2フルブリッジ回路と、
前記第1フルブリッジ回路に接続された第1巻線と、前記第2フルブリッジ回路に接続され、前記第1巻線と磁気結合する第2巻線とを有するトランスと、
前記第1巻線または前記第2巻線に直列接続されたインダクタンス成分と、
前記第1フルブリッジ回路および前記第2フルブリッジ回路それぞれの各スイッチング素子をソフトスイッチング制御する制御回路と、
を備え、
スイッチング素子のターンオンとターンオフとの切り替えタイミングで、前記トランスおよび前記インダクタンス成分の等価インダクタに流れるインダクタ電流は、閾値電流以上であり、
前記制御回路は、
前記第1フルブリッジ回路および前記第2フルブリッジ回路それぞれの出力電圧が異なる場合、前記第1フルブリッジ回路の出力と、前記第2フルブリッジ回路の出力とが極性反転する極性反転期間の開始タイミングにおける前記インダクタ電流と、前記極性反転期間の終了タイミングにおける前記インダクタ電流と、を近づける、
DC-DCコンバータ。 - 請求項1に記載のDC-DCコンバータであって、
前記制御回路は、
前記第1フルブリッジ回路の入力電圧に基づき、前記第1フルブリッジ回路の電圧出力期間を調整し、前記第2フルブリッジ回路の入力電圧に基づいて、前記第2フルブリッジ回路の電圧出力期間を調整する、
DC-DCコンバータ。 - 請求項2に記載のDC-DCコンバータであって、
前記制御回路は、
前記第1フルブリッジ回路の出力と、前記第2フルブリッジ回路の出力とが極性反転する極性反転期間をτc、前記第1フルブリッジ回路の電圧出力期間をτ1、前記第2フルブリッジ回路の電圧出力期間をτ2、前記第1フルブリッジ回路の入力電圧をVx、前記第2フルブリッジ回路の入力電圧をVy、で表した場合、τ1、τ2、τcはラジアン表記であるとすると、
(τ2-τc)Vy=(τ1-τc)Vx
を満たす、τ1、τ2に調整する、
DC-DCコンバータ。 - 請求項1から請求項3までのいずれか一つに記載のDC-DCコンバータであって、
前記閾値電流は、前記等価インダクタに蓄積されるエネルギーが、2つの前記キャパシタに蓄積されるエネルギー以上となるように、設定されている、
DC-DCコンバータ。 - 請求項4に記載のDC-DCコンバータであって、
前記閾値電流をIref、前記第1フルブリッジ回路の入力電圧をVx、前記キャパシタのキャパシタンスをC、前記等価インダクタのインダクタンスをL、補正係数をαで表した場合、
Iref=α・Vx√(2C/L)、
を満たす、DC-DCコンバータ。
Priority Applications (4)
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JP2018119552A JP7030254B2 (ja) | 2018-06-25 | 2018-06-25 | Dc-dcコンバータ |
US17/048,290 US11349399B2 (en) | 2018-06-25 | 2019-04-24 | DC-DC converter |
CN201980043264.6A CN112368927B (zh) | 2018-06-25 | 2019-04-24 | 直流-直流转换器 |
PCT/JP2019/017380 WO2020003719A1 (ja) | 2018-06-25 | 2019-04-24 | Dc-dcコンバータ |
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JP2018119552A JP7030254B2 (ja) | 2018-06-25 | 2018-06-25 | Dc-dcコンバータ |
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JP2020005332A JP2020005332A (ja) | 2020-01-09 |
JP2020005332A5 JP2020005332A5 (ja) | 2021-06-17 |
JP7030254B2 true JP7030254B2 (ja) | 2022-03-07 |
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JP (1) | JP7030254B2 (ja) |
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WO2021212322A1 (en) * | 2020-04-21 | 2021-10-28 | Telefonaktiebolaget Lm Ericsson (Publ) | A dc-to-dc convertor |
US11502613B2 (en) * | 2020-08-18 | 2022-11-15 | Lear Corporation | DC-DC converter that applies a dual active bridge rectifier topology |
JP7548072B2 (ja) | 2021-03-09 | 2024-09-10 | 株式会社豊田自動織機 | 電力変換装置 |
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- 2019-04-24 WO PCT/JP2019/017380 patent/WO2020003719A1/ja active Application Filing
- 2019-04-24 CN CN201980043264.6A patent/CN112368927B/zh active Active
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US11349399B2 (en) | 2022-05-31 |
CN112368927A (zh) | 2021-02-12 |
CN112368927B (zh) | 2024-07-09 |
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