JP5616500B2 - 充電装置及びこの動作方法 - Google Patents
充電装置及びこの動作方法 Download PDFInfo
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- JP5616500B2 JP5616500B2 JP2013149819A JP2013149819A JP5616500B2 JP 5616500 B2 JP5616500 B2 JP 5616500B2 JP 2013149819 A JP2013149819 A JP 2013149819A JP 2013149819 A JP2013149819 A JP 2013149819A JP 5616500 B2 JP5616500 B2 JP 5616500B2
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- 238000000034 method Methods 0.000 title claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 91
- 238000006243 chemical reaction Methods 0.000 claims description 42
- 238000004146 energy storage Methods 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- -1 nickel metal hydride Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- 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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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/04—Regulation of charging current or voltage
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- H02M3/00—Conversion of dc power input into dc power output
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- H02M3/158—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 including plural semiconductor devices as final control devices for a single load
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- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
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- H02M7/219—Conversion of ac power input into dc 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal 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
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- H02M1/00—Details of apparatus for conversion
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
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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
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- H02M1/32—Means for protecting converters other than automatic disconnection
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- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
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- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Dc-Dc Converters (AREA)
Description
101 入力フィルタ
102 両方向電力変換部
103 内部バッテリ
104 第1のスイッチ
105 第1の直流電力出力部
106 第2のスイッチ
107 第2の直流電力出力部
108 充電制御部
201 入力フィルタ
202 両方向電力変換部
203 内部バッテリ
204 交流電力出力部
205 充電制御部
Claims (15)
- 電気自動車のバッテリに電力を供給する充電装置であって、
一端が電力系統、他端がエネルギ貯蔵部に連結される3対のスイッチング素子群で構成され、正方向動作時に、前記一端を介して入力される交流電力を直流電力に変換して、前記他端に出力し、第1の逆方向動作時に、前記他端を介して入力される直流電力を複数の直流電力に変換して、前記一端に出力する両方向電力変換部と、
前記両方向電力変換部の他端に連結され、前記両方向電力変換部の他端を介して出力される直流電力を貯蔵するエネルギ貯蔵部と、
前記電力系統と前記両方向電力変換部の一端間に設けられ、前記第1の逆方向動作時に、前記両方向電力変換部の一端を介して出力される直流電力を、外部に出力するマルチ直流電力出力部と、
前記充電装置の充電条件を感知し、前記感知した充電条件が第1の条件であると、前記両方向電力変換部を正方向動作させて、前記エネルギ貯蔵部の充電が行われるようにし、前記感知した充電条件が第2の条件であると、前記両方向電力変換部を第1の逆方向動作させて、前記マルチ直流電力出力部を介して前記直流電力が出力されるように制御する充電制御部とを含み、
前記両方向電力変換部は、
前記第1の逆方向動作時に、前記3対のスイッチング素子群のそれぞれが、バック-コンバータとして動作して、前記直流電力を他のレベルの直流電力に変換することを特徴とする充電装置。 - 前記両方向電力変換部は、
前記正方向動作時に、交流-直流コンバータとして動作し、前記第1の逆方向動作時に、複数のバック-コンバータとして動作することを特徴とする請求項1に記載の充電装置。 - 前記電力系統は、3相交流電力を供給し、
前記3対のスイッチング素子群は、
前記電力系統の第1の相と連結される一対の第1のスイッチング素子群と、
前記電力系統の第2の相と連結される一対の第2のスイッチング素子群と、
前記電力系統の第3の相と連結される一対の第3のスイッチング素子群と、を含み、
前記第1乃至第3のスイッチング素子群のそれぞれは、
前記第1の逆方向動作時に、バック-コンバータとして動作し、前記エネルギ貯蔵部に貯蔵された直流電力を、他のレベルの直流電力にそれぞれ変換することを特徴とする請求項2に記載の充電装置。 - 一端が前記両方向電力変換部の一端に連結され、他端が前記3相交流電力の入力ラインと、前記マルチ直流電力出力部とのいずれかに選択的に連結される第1のスイッチを、更に含むことを特徴とする請求項3に記載の充電装置。
- 前記両方向電力変換部の他端と連結されて、前記両方向電力変換部を介して変換された直流電力を、外部に出力する直流電力出力部を、更に含み、
前記出力される直流電力は、
前記第1の逆方向動作時に、前記両方向電力変換部を介して変換された直流電力よりも高いレベルを有することを特徴とする請求項4に記載の充電装置。 - 一端が、前記両方向電力変換部の他端に連結され、他端が、前記エネルギ貯蔵部及び直流電力出力部のいずれかに選択的に連結されて、前記変換された直流電力が、前記エネルギ貯蔵部及び直流電力出力部のいずれかに出力されるようにする第2のスイッチを、更に含むことを特徴とする請求項5に記載の充電装置。
- 前記電力系統と両方向電力変換部との間に設けられ、前記電力系統を介して入力される交流電力に含まれたノイズを除去して、前記両方向電力変換部の一端に供給する入力フィルタを、更に含むことを特徴とする請求項6に記載の充電装置。
- 前記両方向電力変換部は、
第2の逆方向動作時に、前記他端に介して入力される直流電力を交流電力に変換して、一端に出力する直流-交流コンバータとして動作し、
前記第1のスイッチは、
前記両方向電力変換部の第1の逆方向動作時に、前記直流電力出力部と、前記両方向電力変換部の一端間を連結し、
前記両方向電力変換部の第2の逆方向動作時に、前記3相交流電力の入力ラインと、前記両方向電力変換部の一端間を連結することを特徴とする請求項6又は7に記載の充電装置。 - 前記3相交流電力の入力ラインに連結され、
前記第2の逆方向動作時に、前記両方向電力変換部の一端を介して供給される交流電力を、外部の電気自動車に出力する交流電力出力部を、更に含むことを特徴とする請求項8に記載の充電装置。 - 両方向電力変換部を含む充電装置の動作方法であって、
既設定された充電条件を確認するステップと、
前記確認された充電条件が第1の条件を満たすと、前記両方向電力変換部の正方向動作によって、電力系統から供給される交流電力を、1つの単一直流電力に変換して、内部バッテリを充電させるステップと、
前記確認された充電条件が第2の条件を満たすと、前記両方向電力変換部の正方向動作によって、前記変換された単一直流電力を、既連結された電気自動車に供給するステップと、
前記確認された充電条件が第3の条件を満たすと、前記両方向電力変換部の逆方向動作によって、前記内部バッテリに充電された単一直流電力を、複数の直流電力に変換して、少なくとも1つの電気自動車に供給するステップとを含むことを特徴とする充電装置の動作方法。 - 前記充電条件は、
電力料金単価、前記内部バッテリの充電状態、及び前記電気自動車の連結可否状態の少なくとも1以上を含むことを特徴とする請求項10に記載の充電装置の動作方法。 - 前記第3の条件で、両方向電力変換部に含まれる複数のスイッチング素子群のそれぞれは、前記直流電力を、他のレベルの直流電力に変換するバックコンバータとして動作することを特徴とする請求項11に記載の充電装置の動作方法。
- 前記確認された充電条件が第4の条件を満たすと、前記内部バッテリに貯蔵された直流電力を交流電力に変換して、電気自動車に出力するステップを、更に含み、
前記第4の条件で前記両方向電力変換部は、第2の逆方向動作して、直流-交流コンバータとして動作することを特徴とする請求項12に記載の充電装置の動作方法。 - 前記確認された充電条件が第5の条件を満たすと、前記内部バッテリに貯蔵された直流電力を交流電力に変換して、電力系統に回生するステップを、更に含み、
前記第5の条件で前記両方向電力変換部は、第2の逆方向動作して、直流-交流コンバータとして動作することを特徴とする請求項13に記載の充電装置の動作方法。 - 前記第1の条件は、現在連結されている電気自動車が存在していなく、かつ、電力料金単価が既設定された基準料金の以下である条件であり、
前記第2の条件は、正方向動作する両方向電力変換部の出力端に、電気自動車が連結されている条件であり、
前記第3の条件は、第1の逆方向動作する両方向電力変換部の出力端に、電気自動車が連結されている条件であり、
前記第4の条件は、第2の逆方向動作する両方向電力変換部の出力端に、電気自動車が連結されている条件であり、
前記第5の条件は、現在連結されている電気自動車が存在していなく、かつ、内部バッテリがフル充電状態である条件を含むことを特徴とする請求項14に記載の充電装置の動作方法。
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