JP2012090406A - スイッチング電源装置 - Google Patents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
- B60L15/08—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/529—Current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
【解決手段】スイッチング電源装置6は、カレントトランス12と、スイッチング回路13と、整流回路15と、平滑回路16と、入力電圧検出回路18と、制御部19と、出力電圧検出回路22と、PWM信号生成部30とを備えている。制御部19は、入力電圧検出回路18で検出されたカレントトランス12の二次側の電圧波形から、当該電圧のデューティ比および電圧平均値を算出する。そして、算出されたデューティ比と、電圧平均値と、出力電圧検出回路22で検出された出力電圧Voとに基づいて、出力電流Ioを算出する。
【選択図】図2
Description
D=Ton/T ・・・(1)
また、電圧平均値Vcoは、カレントトランス12の二次側電圧をフィルタ(図示省略)を用いて平均化するか、あるいは、マイコンで演算して算出することができる。
Vo=Vi・(N2/N1)・D ・・・(2)
ここで、N1はメイントランス14の一次側コイルの巻線数、N2はメイントランス14の二次側コイルの巻線数である。
Vi=Vo・(N1/N2)/D ・・・(3)
で求められる。
Ii:入力電流
Nc1:カレントトランスの一次側コイルの巻線数
Nc2:カレントトランスの二次側コイルの巻線数
VF:ダイオードの順方向降下電圧
Rc:出力レベル決定抵抗の抵抗値
K:カレントトランスの結合度
としたとき、カレントトランス12の電圧平均値Vcoは
Vco=K・Ii・Rc・(Nc1/Nc2)+VF ・・・(4)
となる。これより、入力電流Iiは、
Ii=(Vco−VF)・Nc2/(K・Rc・Nc1) ・・・(5)
となる。
Io=Ii・Vi・η/Vo ・・・(6)
で表すことができる。式(6)に式(5)を代入すると、出力電流Ioは、
Io=η・(Vco−VF)・Vi・Nc2/(K・Vo・Rc・Nc1) ・・・(7)
となる。
12 カレントトランス
13 スイッチング回路
15 整流回路
16 平滑回路
18 入力電圧検出回路(第2の電圧検出回路)
19 制御部
20 PWM回路
21 ドライブ回路
22 出力電圧検出回路(第1の電圧検出回路)
30 PWM信号生成部
Vi 入力電圧
Vo 出力電圧
Ii 入力電流
Io 出力電流
Claims (4)
- PWM(Pulse Width Modulation)信号に基づくスイッチング動作により直流電圧をパルス電圧に変換するスイッチング回路と、
前記パルス電圧を整流する整流回路と、
前記整流回路で整流された電圧を平滑する平滑回路と、
前記平滑回路の出力電圧を検出する第1の電圧検出回路と、
前記第1の電圧検出回路で検出された電圧に基づいてPWM信号を生成し、当該PWM信号を前記スイッチング回路へ出力するPWM信号生成部と、
前記スイッチング回路の前段に設けられたカレントトランスと、
前記カレントトランスの二次側の電圧を検出する第2の電圧検出回路と、
前記平滑回路の出力電流を算出する制御部と、を備え、
前記制御部は、
前記第2の電圧検出回路で検出された電圧の波形から、当該電圧のデューティ比を算出し、
算出された前記デューティ比と、前記第1の電圧検出回路で検出された電圧と、前記第2の電圧検出回路で検出された電圧とに基づいて、前記出力電流を算出することを特徴とするスイッチング電源装置。 - 請求項1に記載のスイッチング電源装置において、
前記制御部は、
前記デューティ比と、前記第1の電圧検出回路で検出された電圧とに基づいて、前記スイッチング回路に与えられる入力電圧を算出し、
前記第2の電圧検出回路で検出された電圧に基づいて、当該電圧の平均値またはピーク値を算出し、
算出された前記入力電圧と、算出された前記平均値またはピーク値を用いて、前記出力電流を算出することを特徴とするスイッチング電源装置。 - 請求項1に記載のスイッチング電源装置において、
前記制御部は、
前記第2の電圧検出回路で検出された電圧に基づいて、当該電圧の平均値またはピーク値を算出し、
算出された前記平均値またはピーク値を用いて、前記カレントトランスの一次側に流れる入力電流を算出することを特徴とするスイッチング電源装置。 - 請求項1ないし請求項3のいずれかに記載のスイッチング電源装置において、
前記制御部は、前記出力電流の電流値に基づいて、回路故障の有無を判定することを特徴とするスイッチング電源装置。
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JP2010234274A JP5306306B2 (ja) | 2010-10-19 | 2010-10-19 | スイッチング電源装置 |
US13/275,641 US8619437B2 (en) | 2010-10-19 | 2011-10-18 | Switching power supply device having a controller to calculate the duty rate and output current |
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JP2010234274A JP5306306B2 (ja) | 2010-10-19 | 2010-10-19 | スイッチング電源装置 |
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JP2012090406A true JP2012090406A (ja) | 2012-05-10 |
JP5306306B2 JP5306306B2 (ja) | 2013-10-02 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015021861A (ja) * | 2013-07-19 | 2015-02-02 | 株式会社デンソー | 二次電池残存容量検出装置 |
DE102015101673A1 (de) | 2014-02-07 | 2015-08-13 | Denso Corporation | Leistungswandler |
JP2016127718A (ja) * | 2015-01-05 | 2016-07-11 | ダイヤモンド電機株式会社 | 電力変換装置 |
WO2017061011A1 (ja) * | 2015-10-08 | 2017-04-13 | 三菱電機株式会社 | 電力変換装置 |
US9645178B2 (en) | 2013-05-30 | 2017-05-09 | Hyundai Motor Company | System and method for estimating current in DC-DC converter |
US9893629B2 (en) | 2015-10-02 | 2018-02-13 | Fujitsu Limited | Control method for switching power supply circuit and power supply device |
WO2021118112A1 (ko) * | 2019-12-11 | 2021-06-17 | 엘지이노텍 주식회사 | 전원 입력 회로의 고장 진단 방법 및 그 시스템 |
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JP5347032B2 (ja) * | 2009-10-26 | 2013-11-20 | 日産自動車株式会社 | スイッチング素子の駆動回路および電力変換装置 |
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US9350259B2 (en) * | 2013-07-31 | 2016-05-24 | Analog Devices Global | Synchronous rectifier control for a double-ended isolated power converter |
DE102013216831A1 (de) * | 2013-08-23 | 2015-02-26 | Siemens Aktiengesellschaft | Wandlerschaltung und Verfahren zum Betrieb einer solchen |
DE102014205652A1 (de) * | 2014-03-26 | 2015-10-01 | Robert Bosch Gmbh | Modulationsverfahren für den Hochsetzsteller-Betrieb eines Gegentaktwandlers |
EP2928038A1 (en) * | 2014-03-31 | 2015-10-07 | ABB Technology AG | Inductive power transfer system and method for operating an inductive power transfer system |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US9645178B2 (en) | 2013-05-30 | 2017-05-09 | Hyundai Motor Company | System and method for estimating current in DC-DC converter |
JP2015021861A (ja) * | 2013-07-19 | 2015-02-02 | 株式会社デンソー | 二次電池残存容量検出装置 |
DE102015101673A1 (de) | 2014-02-07 | 2015-08-13 | Denso Corporation | Leistungswandler |
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US9893629B2 (en) | 2015-10-02 | 2018-02-13 | Fujitsu Limited | Control method for switching power supply circuit and power supply device |
WO2017061011A1 (ja) * | 2015-10-08 | 2017-04-13 | 三菱電機株式会社 | 電力変換装置 |
JPWO2017061011A1 (ja) * | 2015-10-08 | 2018-04-26 | 三菱電機株式会社 | 電力変換装置 |
WO2021118112A1 (ko) * | 2019-12-11 | 2021-06-17 | 엘지이노텍 주식회사 | 전원 입력 회로의 고장 진단 방법 및 그 시스템 |
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US8619437B2 (en) | 2013-12-31 |
US20120092896A1 (en) | 2012-04-19 |
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