CN112350607A - 具双向功率转换的三相电源装置 - Google Patents
具双向功率转换的三相电源装置 Download PDFInfo
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- CN112350607A CN112350607A CN201910721749.8A CN201910721749A CN112350607A CN 112350607 A CN112350607 A CN 112350607A CN 201910721749 A CN201910721749 A CN 201910721749A CN 112350607 A CN112350607 A CN 112350607A
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- power switch
- power
- conversion unit
- bridge arm
- coupled
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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
- H02M7/66—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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- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
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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
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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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
- 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
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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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
- 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
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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
- 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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- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by 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
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4216—Arrangements for improving power factor of AC input operating from a three-phase input voltage
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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
- H02M3/01—Resonant DC/DC 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—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
- H02M3/145—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
- 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
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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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—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
- H02M3/145—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
- 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
- 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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- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—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
- H02M3/145—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
- 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
- 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
- H02M3/1584—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 with a plurality of power processing 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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- 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
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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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—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
- H02M7/21—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
- H02M7/217—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
- 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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- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/487—Neutral point clamped inverters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost 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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
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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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
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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
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
一种具双向功率转换的三相电源装置,其对电动车的电池充电。三相电源装置包含交流对直流转换单元、第一直流总线、第一直流对直流转换单元、第二直流总线以及第二直流对直流转换单元。交流对直流转换单元耦接交流市电。第一直流总线耦接交流对直流转换单元。第一直流对直流转换单元包含隔离变压器、谐振槽、第一桥臂组以及第二桥臂组。第一桥臂组耦接第一直流总线与隔离变压器的初级侧。第二桥臂组耦接隔离变压器的次级侧。第二直流总线耦接第二桥臂组。第二直流对直流转换单元耦接第二直流总线与电池。
Description
技术领域
本发明是有关一种电源装置,特别涉及一种应用于电动车充电的具双向功率转换的三相电源装置。
背景技术
节能减碳已经是全球共识,全球各大车厂也积极开发插电式油电混合车、纯电动车。各国政府也通过法令与能源政策的制订,鼓励车厂们投入更多的研究,带动产业升级,促进绿色经济的发展。
新一代的电动车充电设备除了要符合未来各大车厂充电的规格,更重要的是必须能与电网互相调节,因为电动车的使用量快速增加,因应的充电设备扩充必需考虑到整体的电网架构。
为此,如何设计出一种应用于电动车充电的具双向功率转换的三相电源装置,来达到前述的技术目标,乃为本公开发明人所研究的重要课题。
发明内容
本发明的目的在于提供一种具双向功率转换的三相电源装置,达到前述的技术目标。
为实现前揭目的,本发明所提出的具双向功率转换的三相电源装置,其包含交流对直流转换单元、第一直流总线、第一直流对直流转换单元、第二直流总线以及第二直流对直流转换单元。交流对直流转换单元具有第一桥臂、第二桥臂以及第三桥臂,交流对直流转换单元的第一侧耦接交流市电。第一直流总线耦接交流对直流转换单元的第二侧,具有第一直流电压。第一直流对直流转换单元包含隔离变压器、第一桥臂组以及第二桥臂组。隔离变压器具有初级侧与次级侧。第一桥臂组耦接第一直流总线与初级侧,具有第一桥臂与第二桥臂。第二桥臂组耦接次级侧,具有第一桥臂与第二桥臂。第二直流总线耦接第二桥臂组的第二桥臂,具有第二直流电压。第二直流对直流转换单元的第一侧耦接第二直流总线,第二直流对直流转换单元的第二侧耦接电池。隔离变压器的初级侧及/或次级侧具有谐振槽,第一直流对直流转换单元为开回路操作,并且操作在谐振频率点。
在一实施例中,第二直流对直流转换单元为非隔离型转换电路。
在一实施例中,交流对直流转换单元为三电平架构,当三相电源装置的功率潮流方向由交流市电往电池时,对交流市电提供功率因数校正,并且提供稳定的第一直流电压。
在一实施例中,当三相电源装置的功率潮流方向由电池往交流市电时,交流对直流转换单元为三电平的控制,交流对直流转换单元以电流源操作。
在一实施例中,当三相电源装置的功率潮流方向由交流市电往电池时,第二直流对直流转换单元操作为降压式直流转换器。
在一实施例中,当三相电源装置的功率潮流方向由电池往交流市电时,第二直流对直流转换单元操作为升压式直流转换器。
在一实施例中,当三相电源装置的功率潮流方向由电池送出,且为独立操作时,交流对直流转换单元为三电平的控制,交流对直流转换单元以电压源操作。
在一实施例中,交流对直流转换单元的第一桥臂包含两串联的第一功率开关、第二功率开关与耦接于第一功率开关与第二功率开关共接点的第一二极管,以及两串联的第三功率开关、第四功率开关与耦接于第三功率开关与第四功率开关共接点的第二二极管;第二功率开关耦接第三功率开关,且共接于第一接点,第一二极管耦接第二二极管,且共接于电位中点。交流对直流转换单元的第二桥臂包含两串联的第五功率开关、第六功率开关与耦接于第五功率开关与第六功率开关共接点的第三二极管,以及两串联的第七功率开关、第八功率开关与耦接于第七功率开关与第八功率开关共接点的第四二极管;第六功率开关耦接第七功率开关,且共接于第二接点,第三二极管耦接第四二极管,且共接于电位中点。交流对直流转换单元的第三桥臂包含两串联的第九功率开关、第十功率开关与耦接于第九功率开关与第十功率开关共接点的第五二极管,以及两串联的第十一功率开关、第十二功率开关与耦接于第十一功率开关与第十二功率开关共接点的第六二极管;第十功率开关耦接第十一功率开关,且共接于第三接点,第五二极管耦接第六二极管,且共接于电位中点。
在一实施例中,第一直流对直流转换单元的第一桥臂组的第一桥臂包含两串联的第一功率开关与第二功率开关,且第一功率开关与第二功率开关共接于第四接点;第一直流对直流转换单元的第一桥臂组的第二桥臂包含两串联的第三功率开关与第四功率开关,且第三功率开关与第四功率开关共接于第五接点;其中,第四接点与第五接点分别耦接于初级侧的两端。第一直流对直流转换单元的第二桥臂组的第一桥臂包含两串联的第五功率开关与第六功率开关,且第五功率开关与第六功率开关共接于第六接点。第一直流对直流转换单元的第二桥臂组的第二桥臂包含两串联的第七功率开关与第八功率开关,且第七功率开关与第八功率开关共接于第七接点;其中,第六接点与第七接点分别耦接于次级侧的两端。
在一实施例中,第一直流电压或第二直流电压根据实时转换效率、元件温度或电池电压为依据,进行动态的调整。
通过所提出的应用于具双向功率转换的三相电源装置,可达到新一代电动车充电设备的需求与要求。
为了能更进一步了解本发明为实现预定目的所采取的技术、手段及技术效果,请参阅以下有关本发明的详细说明与附图,相信本发明的目的、特征与特点,当可由此得一深入且具体的了解,然而附图仅提供参考与说明用,并非用来对本发明加以限制者。
附图说明
图1A、1B、1C:为本发明具双向功率转换的三相电源装置的电路图。
附图标记说明:
11交流对直流转换单元
12第一直流总线
13第一直流对直流转换单元
14第二直流总线
15第二直流对直流转换单元
16电池
111第一桥臂
112第二桥臂
113第三桥臂
131第一桥臂组
132第二桥臂组
133隔离变压器
1311第一桥臂
1312第二桥臂
1321第一桥臂
1322第二桥臂
1331初级侧
1332次级侧
Vac交流市电
Q11~Q1C功率开关
Q21~Q28功率开关
D1~D6二极管
P11第一接点
P12第二接点
P13第三接点
P21第四接点
P22第五接点
P23第六接点
P24第七接点
P10电位中点
Ca,Cb,CBUS电容
Vdc1第一直流电压
Vdc2第二直流电压
具体实施方式
兹有关本发明的技术内容及详细说明,配合附图说明如下。
请参见图1(由于图面大小的限制,因此由图1A、图1B与图1C所构成)所示,其为本发明具双向功率转换的三相电源装置的电路图。所述具双向功率转换的三相电源装置是应用于电动车充电。其中,电池16是可为电动车(electric vehicle)内置的充电电池。该三相电源装置是包含交流对直流转换单元11、第一直流总线12、第一直流对直流转换单元13、第二直流总线14以及第二直流对直流转换单元15。
交流对直流转换单元11(参见图1A)是具有一第一桥臂111、一第二桥臂112以及一第三桥臂113。交流对直流转换单元11的第一侧耦接交流市电Vac,在本发明中,交流市电Vac为一三相交流电源,或一交流电网。
第一桥臂111包含两串联的功率开关Q11,Q12与耦接于两功率开关Q11,Q12共接点的二极管D1,以及两串联的功率开关Q13,Q14与耦接于两功率开关Q13,Q14共接点的二极管D2。并且,功率开关Q12耦接功率开关Q13,且共接于第一接点P11,二极管D1耦接二极管D2,且共接于电位中点P10。其中,该些功率开关Q11~Q14可为IGBT功率晶体管或MOSFET功率晶体管。
第二桥臂112包含两串联的功率开关Q15,Q16与耦接于两功率开关Q15,Q16共接点的二极管D3,以及两串联的功率开关Q17,Q18与耦接于两功率开关Q17,Q18共接点的二极管D4。并且,功率开关Q16耦接功率开关Q17,且共接于第二接点P12,二极管D3耦接二极管D4,且共接于电位中点P10。其中,该些功率开关Q15~Q18可为IGBT功率晶体管或MOSFET功率晶体管。
第三桥臂113包含两串联的功率开关Q19,Q1A与耦接于两功率开关Q19,Q1A共接点的二极管D5,以及两串联的功率开关Q1B,Q1C与耦接于两功率开关Q1B,Q1C共接点的二极管D6。并且,功率开关Q1A耦接功率开关Q1B,且共接于第三接点P13,二极管D5耦接二极管D6,且共接于电位中点P10。其中,该些功率开关Q19~Q1C可为IGBT功率晶体管或MOSFET功率晶体管。
其中,各个桥臂为三电平桥臂,每个桥臂可以控制输出三个电压准位,这样配置可以减少开关应力及减少谐波。第一接点P11、第二接点P12以及第三接点P13对应耦接三相交流市电Vac的各相输出。值得一提,因为电动车的电池有朝向愈来愈高电压和高容量的趋势,本发明的交流对直流转换单元11优选的使用三电平架构,这样可以减少开关的应力,有助于在第一直流总线12建立较高电压时,不需要使用高耐压高成本的开关元件,且连接交流电网时有助于减少谐波。
第一直流总线12耦接交流对直流转换单元11的第二侧,具有第一直流电压Vdc1。第一直流电压Vdc1是跨接于连接电位中点P10的两电容Ca,Cb上,以成为后级转换单元的电压源。
第一直流对直流转换单元13(参见图1B)是包含第一桥臂组131、第二桥臂组132以及隔离变压器133和谐振槽。隔离变压器133具有一初级侧1331与一次级侧1332。隔离变压器133的初级侧1331可具有一电感电容(LC)谐振槽,其中第一直流对直流转换单元13为开回路操作,并且操作在一谐振频率点,容后详述。另一实施例,隔离变压器133的次级侧1332亦可包含LC谐振槽,如此第一直流对直流转换单元13在顺向操作或逆向操作具备对称的电路,或者次级侧仅包含电容。依不同的负载与范围去配置谐振槽,使控制上更加优化。
第一桥臂组131耦接第一直流总线12与隔离变压器133的初级侧1331,具有第一桥臂1311与第二桥臂1312。第一桥臂1311包含两串联的功率开关Q21,Q22,且功率开关Q21,Q22共接于第四接点P21。第二桥臂1312包含两串联的功率开关Q23,Q24,且功率开关Q23,Q24共接于第五接点P22。其中,第四接点P21与第五接点P22分别耦接于初级侧1331的两端。
第二桥臂组132耦接隔离变压器133的次级侧1332,具有第一桥臂1321与第二桥臂1322。第一桥臂1321包含两串联的功率开关Q25,Q26,且功率开关Q25,Q26共接于第六接点P23。第二桥臂1322包含两串联的功率开关Q27,Q28,且功率开关Q27,Q28共接于第七接点P24。其中,第六接点P23与第七接点P24分别耦接于次级侧1332的两端。
第二直流总线14耦接第二桥臂组132的第二桥臂1322,具有第二直流电压Vdc2。第二直流电压Vdc2是跨接于一电容CBUS上。
第二直流对直流转换单元15(参见图1C)的第一侧耦接第二直流总线14,第二直流对直流转换单元15的第二侧耦接电池16,第二直流对直流转换单元15使用非隔离型转换电路。
值得一提,第一直流对直流转换单元13的第一桥臂组131、第二桥臂组132以及隔离变压器133和谐振槽形成一个直流转直流的谐振转换电路,一般谐振转换电路的操作原理是通过反馈输出电压,控制每一桥臂的开关切换频率,借此控制输出电压。然而,于电动车充电应用时,由于电池电压变动范围大,将导致谐振转换电路的开关切换频率变动范围很广,且要设计特别的谐振参数以符合全范围电压的调节,这样导致大部分时间切换频率都偏离谐振频率点太远,且整体效率会降低。本发明的第一直流对直流转换单元13为开回路操作,并且操作在一谐振频率点,这样可以保持第一直流对直流转换单元13效率最佳化,且实现电气隔离的效果,再利用第二直流对直流转换单元15对电池16进行充电。如此搭配可以达到高效率、宽范围且具电气隔离的技术效果。
此外,第一直流电压Vdc1或第二直流电压Vdc2可以根据实时转换效率、元件温度或电池电压为依据,进行动态的调整。举例,因电池16于充放电过程中有电压的变化,可以根据电池电压大小动态调整第一直流电压Vdc1和第二直流电压Vdc2。或者,根据第一直流对直流转换单元13与第二直流对直流转换单元15的功率开关温度而调整直流总线电压。换言之,直流总线不一定要维持固定电压,可以动态调整去优化效率。
以下,针对所述具双向功率转换的三相电源装置的操作加以说明。本发明的三相电源装置具双向功率潮流的操作模式,所述双向模式可为储能模式(energy-storingmode),或称顺向操作(forward operation)以及释能模式(energy-releasing mode),或称逆向操作(reverse operation)。所谓顺向操作是指电源装置接收交流市电Vac,并且通过交流对直流转换单元11、第一直流对直流转换单元13以及第二直流对直流转换单元15转换为直流电源供电池16使用。具体的应用可例如但不限制为,电网所提供的电能供应充电站所需电力,以供电动车充电。
反之,所谓逆向操作是指直流电源经由第二直流对直流转换单元15、第一直流对直流转换单元13以及交流对直流转换单元11转换为交流市电Vac。具体的应用可例如但不限制为电池16多余的电力输出其直流电源,作为区域尖峰用电需求时的补偿、电力供电品质的调整,甚至趸售至电网(电力公司)。
在本发明一实施例中,交流对直流转换单元11为三电平架构,当三相电源装置的功率潮流方向由交流市电Vac往电池16时,交流对直流转换单元11为三电平的控制,对交流市电Vac提供功率因数校正(power factor correction),并且提供稳定的第一直流电压Vdc1。反之,当三相电源装置的功率潮流方向由电池16往交流市电Vac时,交流对直流转换单元11为三电平的控制,并控制交流对直流转换单元11以电流源操作,反向向交流市电Vac提供电能,亦即,控制交流对直流转换单元11的第二侧向第一侧输出电流,此时交流对直流转换单元11反向作为一个逆变器,可以依交流电网的需求提供实功率或虚功率。
再者,当三相电源装置的功率潮流方向由交流市电Vac往电池16时,第二直流对直流转换单元15操作为一降压式(buck)直流转换器,可以以电流源对电池16充电。反之,当三相电源装置的功率潮流方向欲由该电池16往交流市电Vac时,第二直流对直流转换单元15操作为一升压式(boost)直流转换器。
再者,当三相电源装置的功率潮流方向由该电池16送出,且为独立(standalone)操作时,交流对直流转换单元11为三电平的控制,且以电压源操作,提供一个电压源给其它交流负载使用。
综上所述,本发明是具有以下的特征与优点:
1、由于有第一直流总线12与第二直流总线14,因此,可以依效率的需求作为控制的依据,也可以依温度的需求作为控制的依据,动态地调整第一直流总线12与第二直流总线14的电压,以优化效率。
2、为因应电池16,例如电动车的电池的电压是宽范围的,因此,第二直流对直流转换单元15的设计可轻易地实现宽电压范围的输出。
3、交流对直流转换单元11优选的使用三电平架构,这样可以减少开关的应力,有助于在第一直流总线12建立较高电压时,不需要使用高耐压高成本的开关元件,且连接交流电网时有助于减少谐波。
4、隔离变压器133的初级侧1331或次级侧1332可依不同的负载与范围去配置谐振槽,使控制上更加优化。
5、第一直流对直流转换单元13为开回路操作,并且操作在一谐振频率点,这样可以保持第一直流对直流转换单元13效率最佳化,且实现电气隔离的效果,再利用第二直流对直流转换单元15对电池16进行充电。如此搭配可以达到高效率、宽范围且具电气隔离的技术效果。
以上所述,仅为本发明优选具体实施例的详细说明与附图,而本发明的特征并不局限于此,并非用以限制本发明,本发明的所有范围应以下述的权利要求为准,凡合于本发明权利要求的构思与其类似变化的实施例,皆应包含于本发明的范围中,任何本领域技术人员在本发明的领域内,可轻易思及的变化或修饰皆可涵盖在以下本公开的权利要求。
Claims (10)
1.一种具双向功率转换的三相电源装置,应用于电动车的一电池,该三相电源装置包含:
一交流对直流转换单元,具有一第一桥臂、一第二桥臂以及一第三桥臂,该交流对直流转换单元的一第一侧耦接一交流市电;
一第一直流总线,耦接该交流对直流转换单元的一第二侧,具有一第一直流电压;
一第一直流对直流转换单元,包含:
一隔离变压器,具有一初级侧与一次级侧;
一第一桥臂组,耦接该第一直流总线与该初级侧,具有一第一桥臂与一第二桥臂;及
一第二桥臂组,耦接该次级侧,具有一第一桥臂与一第二桥臂;
一第二直流总线,耦接该第二桥臂组的该第二桥臂,具有一第二直流电压;及
一第二直流对直流转换单元,该第二直流对直流转换单元的一第一侧耦接该第二直流总线,该第二直流对直流转换单元的一第二侧耦接该电池;
其中,该隔离变压器的该初级侧及/或该次级侧具有一谐振槽,该第一直流对直流转换单元为开回路操作,并且操作在一谐振频率点。
2.如权利要求1所述具双向功率转换的三相电源装置,其中该第二直流对直流转换单元为一非隔离型转换电路。
3.如权利要求1所述具双向功率转换的三相电源装置,其中该交流对直流转换单元为三电平架构,当该三相电源装置的功率潮流方向由该交流市电往该电池时,对该交流市电提供功率因数校正,并且提供稳定的该第一直流电压。
4.如权利要求1所述具双向功率转换的三相电源装置,其中当该三相电源装置的功率潮流方向由该电池往该交流市电时,该交流对直流转换单元为三电平的控制,该交流对直流转换单元以电流源操作。
5.如权利要求1所述具双向功率转换的三相电源装置,其中当该三相电源装置的功率潮流方向由该交流市电往该电池时,该第二直流对直流转换单元操作为一降压式直流转换器。
6.如权利要求1所述具双向功率转换的三相电源装置,其中当该三相电源装置的功率潮流方向由该电池往该交流市电时,该第二直流对直流转换单元操作为一升压式直流转换器。
7.如权利要求1所述具双向功率转换的三相电源装置,其中当该三相电源装置的功率潮流方向由该电池送出,且为独立操作时,该交流对直流转换单元为三电平的控制,且以电压源操作。
8.如权利要求1所述具双向功率转换的三相电源装置,其中
该交流对直流转换单元的该第一桥臂包含两串联的一第一功率开关、一第二功率开关与耦接于该第一功率开关与该第二功率开关共接点的一第一二极管,以及两串联的一第三功率开关、一第四功率开关与耦接于该第三功率开关与该第四功率开关共接点的一第二二极管;该第二功率开关耦接该第三功率开关,且共接于一第一接点,该第一二极管耦接该第二二极管,且共接于一电位中点;
该交流对直流转换单元的该第二桥臂包含两串联的一第五功率开关、一第六功率开关与耦接于该第五功率开关与该第六功率开关共接点的一第三二极管,以及两串联的一第七功率开关、一第八功率开关与耦接于该第七功率开关与该第八功率开关共接点的一第四二极管;该第六功率开关耦接该第七功率开关,且共接于一第二接点,该第三二极管耦接该第四二极管,且共接于该电位中点;及
该交流对直流转换单元的该第三桥臂包含两串联的一第九功率开关、一第十功率开关与耦接于该第九功率开关与该第十功率开关共接点的一第五二极管,以及两串联的一第十一功率开关、一第十二功率开关与耦接于该第十一功率开关与该第十二功率开关共接点的一第六二极管;该第十功率开关耦接该第十一功率开关,且共接于一第三接点,该第五二极管耦接该第六二极管,且共接于该电位中点。
9.如权利要求1所述具双向功率转换的三相电源装置,其中
该第一直流对直流转换单元的该第一桥臂组的该第一桥臂包含两串联的一第一功率开关与一第二功率开关,且该第一功率开关与该第二功率开关共接于一第四接点;
该第一直流对直流转换单元的该第一桥臂组的该第二桥臂包含两串联的一第三功率开关与一第四功率开关,且该第三功率开关与该第四功率开关共接于一第五接点;其中,该第四接点与该第五接点分别耦接于该初级侧的两端;
该第一直流对直流转换单元的该第二桥臂组的该第一桥臂包含两串联的一第五功率开关与一第六功率开关,且该第五功率开关与该第六功率开关共接于一第六接点;及
该第一直流对直流转换单元的该第二桥臂组的该第二桥臂包含两串联的一第七功率开关与一第八功率开关,且该第七功率开关与该第八功率开关共接于一第七接点;其中,该第六接点与该第七接点分别耦接于该次级侧的两端。
10.如权利要求1所述具双向功率转换的三相电源装置,其中该第一直流电压或该第二直流电压根据实时转换效率、元件温度或电池电压为依据,进行动态的调整。
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