JP3147257B2 - Grid-connected power system - Google Patents

Grid-connected power system

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Publication number
JP3147257B2
JP3147257B2 JP35269392A JP35269392A JP3147257B2 JP 3147257 B2 JP3147257 B2 JP 3147257B2 JP 35269392 A JP35269392 A JP 35269392A JP 35269392 A JP35269392 A JP 35269392A JP 3147257 B2 JP3147257 B2 JP 3147257B2
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Prior art keywords
ac
system
dc
power
battery
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Expired - Fee Related
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JP35269392A
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JPH06178461A (en
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孝之 大橋
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日本電池株式会社
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/65Monitoring or controlling charging stations involving identification of vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods 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 the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30Constructional details of charging stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50Charging stations characterised by energy-storage or power-generation means
    • B60L53/51Photovoltaic means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50Charging stations characterised by energy-storage or power-generation means
    • B60L53/53Batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60Monitoring or controlling charging stations
    • B60L53/63Monitoring or controlling charging stations in response to network capacity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L55/00Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2210/00Converter types
    • B60L2210/10DC to DC converters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2210/00Converter types
    • B60L2210/30AC to DC converters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2210/00Converter types
    • B60L2210/40DC to AC converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/70Systems integrating technologies related to power network operation and communication or information technologies mediating in the improvement of the carbon footprint of electrical power generation, transmission or distribution, i.e. smart grids as enabling technology in the energy generation sector
    • Y02E60/72Systems characterised by the monitored, controlled or operated power network elements or equipments
    • Y02E60/721Systems characterised by the monitored, controlled or operated power network elements or equipments the elements or equipments being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7005Batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y02T10/7088Charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • Y02T10/7208Electric power conversion within the vehicle
    • Y02T10/7216DC to DC power conversion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • Y02T10/7208Electric power conversion within the vehicle
    • Y02T10/7241DC to AC or AC to DC power conversion
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/121Electric charging stations by conductive energy transmission
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/127Converters or inverters for charging
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/12Electric charging stations
    • Y02T90/128Energy exchange control or determination
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/163Information or communication technologies related to charging of electric vehicle
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies related to electric vehicle charging
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • Y02T90/169Aspects supporting the interoperability of electric or hybrid vehicles, e.g. recognition, authentication, identification or billing
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/10Systems characterised by the monitored, controlled or operated power network elements or equipment
    • Y04S10/12Systems characterised by the monitored, controlled or operated power network elements or equipment the elements or equipment being or involving energy generation units, including distributed generation [DER] or load-side generation
    • Y04S10/126Systems characterised by the monitored, controlled or operated power network elements or equipment the elements or equipment being or involving energy generation units, including distributed 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]
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S30/00Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、系統連系太陽光発電システム、夜間電力有効利用のためのロードレベリングシステム、UPSシステム、電気自動車の普通充電と急速充電システム等の系統連系電源システムに関するものであり、特に、システムにおける単一の交流直流双方向コンバータの有効利用に関するものである。 The present invention relates to a system interconnection solar power generation system, load leveling system for nighttime power effective use, UPS system, a system interconnection power system normal charging and the like rapid charging system for electric vehicles is intended, in particular, it relates to effective utilization of a single AC-DC bidirectional converter in the system.

【0002】 [0002]

【従来の技術とその課題】従来、太陽電池や夜間電力などにより電気自動車用蓄電池を充電する場合、太陽電池出力あるいは蓄電池出力を一旦交流に変換し、再び充電器により直流に変換して電気自動車用蓄電池を充電していたため、エネルギー効率が悪くなる欠点があった。 [Its Problems prior art Conventionally, when charging the storage battery by solar cells and nighttime power, converts once AC photovoltaic output or accumulator output, the electric vehicle into a DC again by the charger for the use storage battery has been charged, there is a disadvantage that energy efficiency is poor. また、従来の電源システムでは太陽電池や夜間電力の有効利用が必ずしも充分には出来ていなかった。 In addition, the effective use of solar cells and nighttime power was not able to necessarily sufficient in the conventional power supply system.

【0003】 [0003]

【課題を解決するための手段】本発明は上述したような従来の欠点を改良したものであり、交流直流双方向コンバータの交流側が系統電源と負荷とに接続され、交流直流双方向コンバータの直流側に太陽電池と、第1の蓄電池とが並列に接続されてなる系統連係電源システムであって、交流直流双方向コンバータの直流側に、太陽電池と、第1の蓄電池とに並列に電気自動車に搭載された自動車用蓄電池が接続可能とされていることを特徴とするものである。 The present invention SUMMARY OF] is an improvement over the conventional drawbacks described above, the AC-DC bidirectional converter AC side of being connected to the load and system power supply, DC AC-DC bidirectional converter and the solar cell on the side, the first battery is a system interconnection power supply system formed by connecting in parallel to the DC side of the AC-DC bidirectional converter, and the solar cell electric vehicle in parallel with the first battery is characterized in that the storage battery mounted on is connectable. なお、自動車用蓄電池は、直列に電圧調整器を介して接続可能とされても直接に接続可能とされてもいずれでも良い。 Incidentally, the storage battery can be either be connectable directly to be connectable through a voltage regulator in series.

【0004】 [0004]

【実施例】以下、本発明の一実施例を図面に基づいて説明する。 BRIEF DESCRIPTION based on an embodiment of the present invention with reference to the accompanying drawings. 図1は本発明系統連系電源システムの一実施例を示す回路図であり、1は系統電源、3は開閉器、5は交流直流双方向コンバータ、7は太陽電池、9は太陽電池7の逆流阻止ダイオード、11は第一電磁接触器、1 Figure 1 is a circuit diagram showing an embodiment of the present invention the system interconnection power supply system 1 is the system power supply, 3 switches, the AC-DC bidirectional converter 5, a solar cell 7, 9 of the solar cell 7 blocking diode, the first electromagnetic contactor 11, 1
3は第一の蓄電池、15は第二の電磁接触器、17は電圧調整器を構成する直流直流コンバータ、19は第三の電磁接触器、21は第二の蓄電池を構成する電気自動車用蓄電池である。 3 the first accumulator 15 and the second electromagnetic contactor 17 is DC-DC converter constituting a voltage regulator, the third electromagnetic contactor 19, the storage battery constituting the second storage battery 21 it is. また、23は無停電負荷、25は停電負荷である。 In addition, 23 uninterruptible power load, 25 is a power failure load.

【0005】まず、第二の蓄電池21が接続されていないときについて説明する。 [0005] First, a description will be given when the second battery 21 is not connected. 夜間電力時間帯においては系統1より商用電力を受電し、直接停電負荷25および開閉器3を介して無停電負荷23に電力を供給すると共に、交流直流双方向コンバータ5を整流器として動作させ、第一の電磁接触器11を介して第一の蓄電池13を充電する。 And receiving commercial electric power from the system 1 in nighttime power consumption period, supplies power to an uninterruptible load 23 via the direct power failure load 25 and switch 3, to operate the AC-DC bidirectional converter 5 as a rectifier, the charging the first battery 13 through an electromagnetic contactor 11.

【0006】また、停電時は開閉器3を高速で開くと共に、第一の蓄電池13を電源として交流直流双方向コンバータ5をインバータとして動作させ、無停電負荷23 Further, the power failure will open the switch 3 at high speed, the AC-DC bidirectional converter 5 is operated as an inverter to the first battery 13 as a power supply, an uninterruptible load 23
に電力を供給し続ける。 It continues to supply power to. 昼間太陽電池7の出力があるときは太陽電池の出力を交流直流双方向コンバータ5により交流に変換して負荷23,25および系統1に電力を供給する。 Day supplying power to a load 23, 25 and line 1 is converted to AC by the AC-DC bidirectional converter 5 the output of the solar cell when there is an output of the solar cell 7.

【0007】次に、第二の蓄電池21が接続されているときについて説明する。 [0007] Next, a description will be given when the second battery 21 is connected. 第二の蓄電池21は第二の電磁接触器15を介して、また、必要な場合には電圧調整器17を介して、あるいは第三の電磁接触器19を閉じて充電される。 The second accumulator 21 via a second electromagnetic contactor 15, and if necessary, through a voltage regulator 17, or may be charged by closing the third electromagnetic contactor 19. 夜間電力時間帯においては、第一の蓄電池13と並列に充電されるか、あるいは時間差をつけて充電される。 In nighttime power consumption period, or they are charged in parallel with the first battery 13, or is charged with a time difference. 昼間太陽電池の出力があるときは、優先的に太陽電池の出力により、第二の蓄電池21が充電される。 When there is an output of the daytime solar cell, the output of preferentially solar cell, the second battery 21 is charged. 第二の蓄電池21の急速充電が必要なときには、第一の蓄電池13を電源として充電される。 When rapid charging of the second battery 21 is required, it is charged the first battery 13 as a power source. また、系統から交流直流コンバータ5を整流器動作をさせて充電することも可能である。 It is also possible to charge by the rectifiers operating the AC-DC converter 5 from the system.

【0008】 [0008]

【発明の効果】本発明を利用することにより経済的に総合的な系統連係電源システムを構成できる上に、複数の直流電源から直流電力を一旦交流に戻すことなく電気自動車用蓄電池に供給することができ、エネルギーの有効利用に寄与することができる。 By utilizing the present invention according to the present invention on which can be constructed economically overall system interconnection power supply system, to be supplied to the storage battery without returning once AC DC power from a plurality of DC power supply can be can be, it contributes to effective use of energy. また、緊急時には電気自動車に搭載された自動車用蓄電池である第二の蓄電池2 In addition, in an emergency is a storage battery that is mounted on an electric vehicle a second battery 2
1と双方向性直流直流コンバータによる電圧調整器17 Voltage regulator 17 by 1 and the bidirectional DC-DC converter
を用いて、あるいは第二の蓄電池21のみでUPS用電源、あるいは系統への逆潮流を行うことも可能である。 With, or it is also possible to carry out a reverse power flow to the UPS power supply or system, only the second battery 21.
また、電圧調整器17を太陽電池最大出力追従制御とすることにより、より有効な太陽電池の利用を行うことも可能である。 Further, by the solar cell maximum power follow-up control of the voltage regulator 17, it is also possible to carry out the use of more effective solar cells.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明系統連系電源システムの一実施例を示す回路図 Circuit diagram showing an embodiment of the invention; FIG grid interconnection power system

【符号の説明】 DESCRIPTION OF SYMBOLS

1 系統電源 3 開閉器 5 交流直流双方向コンバータ 7 太陽電池 9 ダイオード 11 第一の電磁接触器 13 第一の蓄電池 15 第二の電磁接触器 17 電圧調整器 19 第三の電磁接触器 21 第二の蓄電池 23 無停電負荷 25 停電負荷 1 the system power supply 3 switch 5 AC-DC bidirectional converter 7 solar cell 9 diode 11 first electromagnetic contactor 13 first battery 15 second electromagnetic contactor 17 voltage regulator 19 third electromagnetic contactor 21 second the storage battery 23 uninterruptible power load 25 power failure load of

Claims (1)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】交流直流双方向コンバータの交流側が系統電源と負荷とに接続され、交流直流双方向コンバータの直流側に太陽電池と、第1の蓄電池とが並列に接続されてなる系統連係電源システムであって、 交流直流双方向コンバータの直流側に、太陽電池と、第1の蓄電池とに並列に電気自動車に搭載された自動車用蓄電池が接続可能とされていることを特徴とする系統連係電源システム。 1. A AC side of the AC-DC bidirectional converter is connected to the load and system power supply, and the solar cell to the DC side of the AC-DC bidirectional converter, grid connector power and first battery is connected in parallel a system, AC to DC side of the DC bidirectional converter, grid connector, characterized in that the solar cell, the first storage battery mounted on an electric vehicle in parallel with the storage battery are connectable the power supply system.
JP35269392A 1992-12-09 1992-12-09 Grid-connected power system Expired - Fee Related JP3147257B2 (en)

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