JP2020058131A - 駆動システム - Google Patents
駆動システム Download PDFInfo
- Publication number
- JP2020058131A JP2020058131A JP2018186937A JP2018186937A JP2020058131A JP 2020058131 A JP2020058131 A JP 2020058131A JP 2018186937 A JP2018186937 A JP 2018186937A JP 2018186937 A JP2018186937 A JP 2018186937A JP 2020058131 A JP2020058131 A JP 2020058131A
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- Prior art keywords
- power supply
- supply voltage
- charging
- voltage
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001131 transforming effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 21
- 238000009499 grossing Methods 0.000 description 16
- 239000003990 capacitor Substances 0.000 description 9
- 101100073357 Streptomyces halstedii sch2 gene Proteins 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 101100073352 Streptomyces halstedii sch1 gene Proteins 0.000 description 5
- 101150075681 SCL1 gene Proteins 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
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- 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
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
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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
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- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- H—ELECTRICITY
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- H—ELECTRICITY
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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
Abstract
Description
以下、本発明に係る駆動システムを具体化した第1実施形態について、図面を参照しつつ説明する。本実施形態の駆動システム70は、車両に搭載されている。
なお、制御部60が提供する機能は、例えば、実体的なメモリ装置に記録されたソフトウェア及びそれを実施するコンピュータ、ハードウェア、又はそれらの組み合わせによって提供することができる。
これにより供給電圧Vchaは、電源電圧Vbatと略等しい昇圧電圧Vupへと昇圧される。
以下、第2実施形態について、第1実施形態との相違点を中心に図面を参照しつつ説明する。本実施形態では、コンバータ30が、昇降圧型のDC−DCコンバータである点で異なる。図5において、先の図1に示した内容と同一の内容については、便宜上、同一の符号を付して説明を省略する。
以下、第3実施形態について、第1実施形態との相違点を中心に図面を参照しつつ説明する。本実施形態では、駆動システム70が、充電用配線52H,52Lを備える点で異なる。図6において、先の図1に示した内容と同一の内容については、便宜上、同一の符号を付して説明を省略する。以下、充電用配線50H,50Lを第1充電用配線50H,50Lと呼び、充電用配線52H,52Lを第2充電用配線52H,52Lと呼ぶ。
なお、上記各実施形態は、以下のように変更して実施してもよい。
・上記実施形態において、第2実施形態と、第3実施形態を組み合わせて、昇降圧型のDC−DCコンバータを用いた駆動システム70において、第1充電用配線50H,50Lと第2充電用配線52H,52Lとを設けてもよい。
Claims (5)
- 充放電可能な蓄電装置(40)を有し、車外の外部電源(80)からの電力供給により前記蓄電装置を充電可能な車両に適用される駆動システム(70)であって、
回転電機(10)と、
前記回転電機に接続されるインバータ(20)と、
前記蓄電装置の電源電圧(Vbat)を変圧させて、前記インバータに出力するコンバータ(30)と、
前記外部電源と電気的に接続可能な充電用配線(50H,50L)と、を備え、
前記充電用配線は、前記インバータと前記コンバータとの間の接続点(PTH,PTL)に接続されている駆動システム。 - 前記コンバータは、前記電源電圧を降圧させて、前記インバータに出力する降圧型のコンバータである請求項1に記載の駆動システム。
- 前記コンバータを制御する制御部(60)を備え、
前記制御部は、前記外部電源からの電力供給により前記蓄電装置を充電する際に、前記外部電源から供給される電圧を前記電源電圧よりも大きくして、前記蓄電装置に出力させるように前記コンバータを制御する請求項1または請求項2に記載の駆動システム。 - 前記外部電源の供給電圧(Vcha)を取得する取得部を備え、
前記制御部は、前記供給電圧が前記電源電圧よりも小さいことを条件として、前記外部電源から供給される電圧を昇圧させて、前記蓄電装置に出力させるように前記コンバータを制御する請求項3に記載の駆動システム。 - 前記充電用配線は、第1充電用配線(50H,50L)であり、
前記第1充電用配線に設けられる第1スイッチ(SW1)と、
前記外部電源と電気的に接続可能であり、前記蓄電装置に接続されている第2充電用配線(52H,52L)と、
前記第2充電用配線に設けられる第2スイッチ(SW2)と、を備え、
前記制御部は、前記供給電圧が前記電源電圧よりも大きい場合に、前記第1スイッチを開状態に制御するとともに、前記第2スイッチを閉状態に制御し、前記供給電圧が前記電源電圧よりも小さい場合に、前記第1スイッチを閉状態に制御するとともに、前記第2スイッチを開状態に制御する請求項4に記載の駆動システム。
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