JP2019030219A - 電源変換装置 - Google Patents
電源変換装置 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
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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
- H02M3/338—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 a self-oscillating arrangement
- H02M3/3381—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 a self-oscillating arrangement using a single commutation path
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- H—ELECTRICITY
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- H01F27/2804—Printed windings
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- H01F27/2876—Cooling
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- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
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- H02M3/01—Resonant DC/DC converters
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- H—ELECTRICITY
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- 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
- H02M3/33561—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 more than one ouput with independent control
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- H—ELECTRICITY
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- 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
- H02M3/33571—Half-bridge at primary side of an isolation transformer
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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
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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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
- H01F2027/065—Mounting on printed circuit boards
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
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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
- 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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- 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
- H02M1/0064—Magnetic structures combining different functions, e.g. storage, filtering or transformation
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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
- H02M3/285—Single converters with a plurality of output stages connected in parallel
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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
- H02M3/33573—Full-bridge at primary side of an isolation transformer
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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
Description
故に、変圧器T1、T2で生成した磁化電流差及び磁化電流損失差を制御可能な範囲に抑えることができ、そのうち、Lm1は、第1一次巻線N1のインダクタンス値であり、Lm2は、第2一次巻線N2のインダクタンス値である。このようにして、各変圧器T1、T2の許容電力を半分程度に減らすことができ、更に、変圧器T1、T2の第1一次巻線N1、第2一次巻線N2、第1二次巻線S1及び第2二次巻線S2におけるコイルの幅及び厚さも適切な範囲に抑えることができるため、第1一次巻線N1、第2一次巻線N2、第1二次巻線S1及び第2二次巻線S2の寄生抵抗及び熱抵抗を効果的に減少することができる。なお、本発明に係る磁性モジュールMにおいて、2つのコア柱M13が上コア部M11及び下コア部M12とU型コアに類似する構造になっているため、4つのコア柱M13を備えるコアを複数のU型コアを組み合わせてなる構成と見なすことができ、本発明の磁性モジュールMに巻回される巻線がPCBコイルである場合、PCBコイルの実装サイズを小さくすることができる。また、本発明の磁性モジュールMを複数のU型コアを組み合わせてなる構成と見なすことができるため、磁性モジュールMの巻線の放熱効果が比較的良い。更に、本発明の磁性モジュールMのコアを、複数のU型コアが上コア部M11及び下コア部M12を共有してなると見なすことができるため、複数の独立したU型コアを使用する場合に比べて、本発明の磁性モジュールMの上コア部M11及び下コア部M12の断面積が増え、上コア部M11及び下コア部M12の交流フラックスの密度が低下するため、上コア部M11及び下コア部M12の消耗を低減し、電源変換装置1の効率を高めることができる。更に、本発明に係る磁性モジュールMのコアの任意の2つの隣接するコア柱M13の交流フラックスが逆向きであるため、上コア部M11及び下コア部M12の交流フラックスの密度を更に低減することができ、上コア部M11及び下コア部M12のコアの消耗を更に減らし、電源変換装置1の効率を更に高めることができる。
10、40 正入力端子、
11、41 負入力端子、
Load 負荷、
12、42 正出力端子、
13、43 負出力端子、
14、44、44’ 変換回路、
15、45、45’ 入力フィルタ回路、
16、46、46’ インバータ回路、
17、47、47’、17’ 共振回路、
18 整流回路、
19 出力フィルタ回路、
20、22 PCBコイル、
21 第1挿通孔、
23 第2挿通孔、
70、71、80、81、82 ハーフブリッジスイッチング回路、
T1、T2 変圧器、
M 磁性モジュール、
Cr、Cr2 共振キャパシタ、
Lr、Lr1、Lr2 共振インダクタンス、
N1 第1一次巻線、
N11 第1コイル、
N12 第2コイル、
S1 第1二次巻線、
N2 第2一次巻線、
S2 第2二次巻線、
N21 第3コイル、
N22 第4コイル、
M11 上コア部、
M12 下コア部、
M13 コア柱、
M130 上柱、
M131 下柱、
Lb、Lb1 昇圧インダクタ、
Load 負荷、
Cps、Cps’ 一次・二次寄生キャパシタ、
ips、ips’ コモンモード電流、
VA、VB 電圧。
Claims (11)
- 少なくとも1つの共振インダクタンス及び少なくとも1つの共振キャパシタを備える少なくとも1つの共振回路と、
前記共振回路に電気的に接続される第1一次巻線及び少なくとも1つの第1二次巻線を備える第1変圧器と、
前記共振回路に電気的に接続され、前記第1一次巻線のコイル巻数と同じであり、且つ該第1一次巻線と並列接続される第2一次巻線、及び前記第1二次巻線のコイル巻数と同じである少なくとも1つの第2二次巻線を備える第2変圧器と
を備え、
前記第1一次巻線と前記第2一次巻線とのインダクタンス値の誤差が│Lm1−Lm2│/(Lm1+Lm2)≦30%の条件式を満たし、そのうち、Lm1は、前記第1一次巻線のインダクタンス値であり、Lm2は、前記第2一次巻線のインダクタンス値であることを特徴とする、電源変換装置。 - 前記第1二次巻線及び前記第2二次巻線は、対応する整流回路に電気的に接続され、且つ対応する該整流回路を介して負荷に並列接続される、請求項1に記載の電源変換装置。
- 前記第1変圧器及び前記第2変圧器は、第1磁性モジュールからなり、前記第1磁性モジュールは、
第1上コア部、第1下コア部、及び前記第1上コア部と前記第1下コア部を共有し、且つ前記第1上コア部と前記第1下コア部の間にずらして設けられ、対応する第1巻線又は第2巻線によって巻回される4つの第1コア柱を備える第1コアを備え、
前記第1一次巻線は、前記4つの第1コア柱のうち任意の2つの第1コア柱に巻回され、巻回された2つの第1コア柱と前記第1上コア部及び前記第1下コア部との間で第1閉磁路を形成し、
前記第2一次巻線は、前記4つの第1コア柱のうち残りの2つの第1コア柱に巻回され、巻回された2つの第1コア柱と前記第1上コア部及び前記第1下コア部との間で第2閉磁路を形成し、
前記第1閉磁路における1つの第1コア柱内の交流フラックスのピーク値と、前記第2閉磁路における1つの第1コア柱内の交流フラックスのピーク値との合計値は、前記第1上コア部内の交流フラックスのピーク値を超え、且つ前記第1下コア部内の交流フラックスのピーク値を超える、請求項1に記載の電源変換装置。 - 前記共振回路は、2つの共振インダクタンスを備え、前記2つの共振インダクタンスは、第1共振インダクタンス及び第2共振インダクタンスであり、前記第1共振インダクタンスと前記第2共振インダクタンスとが並列接続される、請求項1に記載の電源変換装置。
- 前記共振回路は、2つの共振インダクタンスを備え、前記2つの共振インダクタンスは、第1共振インダクタンス及び第2共振インダクタンスであり、前記第1共振インダクタンスと前記第2共振インダクタンスとが間接的に直列接続される、請求項1に記載の電源変換装置。
- 前記第1共振インダクタンス及び前記第2共振インダクタンスは、第2磁性モジュールからなり、前記第2磁性モジュールは、
第2上コア部、第2下コア部、及び前記第2上コア部と前記第2下コア部を共有し、且つ前記第2上コア部と前記第2下コア部の間にずらして設けられている4つの第2コア柱を備える第2コアと、
前記4つの第2コア柱のうち任意の2つの第2コア柱に巻回され、巻回された2つの第2コア柱と前記第2上コア部及び前記第2下コア部との間で第3閉磁路を形成する前記第1共振インダクタンスの第1巻線と、
前記4つの第2コア柱のうち残りの2つの第2コア柱に巻回され、巻回された2つの第2コア柱と前記第2上コア部及び前記第2下コア部との間で第4閉磁路を形成する前記第2共振インダクタンスの第2巻線とを備え、
前記第3閉磁路における1つの第2コア柱内の交流フラックスのピーク値と前記第4閉磁路における1つの第2コア柱内の交流フラックスのピーク値との合計値は、前記第2上コア部内の交流フラックスのピーク値を超え、且つ前記第2下コア部内の交流フラックスのピーク値を超える、請求項4又は5に記載の電源変換装置。 - 前記共振回路は、2つの共振キャパシタを備え、該2つの共振キャパシタは、第1共振キャパシタ及び第2共振キャパシタであり、前記第1共振キャパシタは、並列接続される前記第1一次巻線及び前記第2一次巻線に直列接続され、前記第2共振キャパシタは、並列接続される前記第1一次巻線と前記第2一次巻線の2つのエンドポイントの間にブリッジ接続される、請求項5に記載の電源変換装置。
- 前記第1コア柱は、上柱と下柱とからなり、前記上柱は、前記第1上コア部の第1設置面から下へ垂直に伸びて形成され、前記下柱は、前記第1下コア部における前記第1設置面に対向する第2設置面から上へ垂直に伸びて形成され、且つ各前記下柱の位置は前記上柱の位置と対応する、請求項3に記載の電源変換装置。
- 前記第2コア柱は、上柱と下柱とからなり、前記上柱は、前記第2上コア部の第1設置面から下へ垂直に伸びて形成され、前記下柱は、前記第2下コア部における前記第1設置面に対向する第2設置面から上へ垂直に伸びて形成され、且つ各前記下柱の位置は前記上柱の位置と対応する、請求項6に記載の電源変換装置。
- 前記第1巻線及び前記第2巻線が並列接続された後の巻数は、奇数である、請求項3に記載の電源変換装置。
- 前記共振回路と、前記第1変圧器と、前記第2変圧器と、少なくとも1つの整流回路とを備える変換回路を備える、請求項1に記載の電源変換装置。
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