CN107968579A - Method for running rectifier - Google Patents

Method for running rectifier Download PDF

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Publication number
CN107968579A
CN107968579A CN201710977168.1A CN201710977168A CN107968579A CN 107968579 A CN107968579 A CN 107968579A CN 201710977168 A CN201710977168 A CN 201710977168A CN 107968579 A CN107968579 A CN 107968579A
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CN
China
Prior art keywords
rectifier
power
efficiency
efficiency characteristic
energy
Prior art date
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Pending
Application number
CN201710977168.1A
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Chinese (zh)
Inventor
B.迪特默
T.延拜因
P.福伊尔施塔克
S.埃普勒
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN107968579A publication Critical patent/CN107968579A/en
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Classifications

    • 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
    • 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
    • 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
    • B60L53/10—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 the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • 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
    • B60L53/10—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 the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • 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
    • 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
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • 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
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • 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
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • 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
    • 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]
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management 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
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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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)

Abstract

The present invention relates to the method for running rectifier, wherein described rectifier is used to supply energy consumer, wherein the rectifier communicates with the energy consumer and the energy consumer is identified and the efficiency characteristic race of the energy consumer is obtained from data storage.In a further step, rectifier obtains the efficiency characteristic race of rectifier from another data storage.Rectifier according to the selected power of efficiency characteristic race to supply the energy consumer.

Description

Method for running rectifier
Technical field
The present invention relates to the method for running rectifier.
Background technology
When requiring the current type of feed-in（Alternating current, DC current）When being converted into other corresponding current types And/or when change characterisitic parameter（Such as voltage and/or frequency）When, by rectifier（Such as charging equipment, DC voltage conversion Device）For supplying electrical appliance.When the alternating current of supply network must being converted to the DC current of voltage being adapted When, rectifier is used as electrical storage cell（elektrische Stromspeicher）Charging equipment.When direct current must be adapted to During the voltage of electricity-supply network, equally using rectifier, for example to be charged by DC grid to electrical storage cell.For pair Electric energy accumulator, such as storage battery（Akkumulator）Or in the case of the rectifier of storage charging, usually using institute The IU methods of meaning（IU-Verfahren）.With constant voltage or with constant electric current it is that electric energy accumulator fills by the method Electricity.According to the available efficient capacity for electric energy accumulator, rectifier and supply network（Leistungsfähigkeit） Requirement select maximum current intensity and maximum voltage.In the case where considering the electric current and voltage limit of accumulator, respectively Charged with the charge power as maximum as possible of corresponding operating point.With the maximum available charging current of rectifier Charge until the voltage limit for reaching accumulator.Then made in the case of constant charging voltage by reducing charging current Charge power is gradually fallen after rise until reaching end of charge voltage.Carried out using excessive charging current or excessive charging voltage Charging may damage accumulator.Will be in accumulator via different cooling means, such as air cooling or liquid cooling Charging when the loss heat that occurs discharged from charging equipment and accumulator.
Such as DE 11 2,012 005 842 shows a kind of rectifier unit, as storage battery group （Speicherbatterie）The charging equipment of charging.The rectifier unit is according to the different voltages of different electrical storage cell groups It is charged and discharged based on IU methods to control.The charging method implemented is unfavorable in the prior art what is be previously mentioned, because The efficiency of charging method is not accounted for（Effizienz）.Carried out in an unfavorable mannner by rectifier charging to accumulator or Supply of the person to electrical appliance so that rectifier and energy consumer（Energieverbraucher）Respective combination cause：Using up can Can highest energy progress energy transmission.Therefore the charging process carried out soon as far as possible is issued in charging equipment situation.It is unfavorable Be：Participate in the component heating of energy transmission.Such as rectifier and accumulator these components are in an unfavorable mannner during charging Heating.The heat is discharged as waste heat.This causes：Such as in road and industrial truck as electricity operation（Straß en- und Flurförderfahrzeuge）Accumulator charging equipment rectifier in the case of, set in an unfavorable mannner For the price apparatus cooled down to component.Equally adversely corresponding accumulator must be monitored and cool down in a manner of expensive. In standard SAE J 1772, the shortcoming for example causes：Required during the charging accumulator to electrically driven vehicles to building Build the forced ventilation of thing.In addition, the heating in charging process disadvantageously results in the accelerated ageing of rectifier and accumulator.
Therefore exist for a kind of demand of method, by the method avoid rectifier and the accumulator to be charged plus Fast aging and the heating for reducing component.
The content of the invention
The method according to the invention of feature with claim 1 has the advantage that：Subtract in the charging process of accumulator The acceleration heated and exclude the accumulator to be charged caused by heating of these components of few rectifier and accumulator is old Change.
The method for being used for running rectifier is set for this according to the present invention, and the rectifier is used to supply energy consumer, described Method includes：Rectifier is set to communicate with the energy consumer to be supplied in the first step.Identified in the second step by rectifier （identifizieren）The species of energy consumer.In third step, rectifier is obtained from the first data storage （beziehen）First efficiency characteristic race of energy consumer（Wirkungsgradkennfeld）.The rectifier in four steps The second efficiency characteristic race of rectifier is obtained from the second data storage.Consumed energy in the 5th step with power supply Device, wherein selecting power according to the first efficiency characteristic race and the second efficiency characteristic race.To efficiency characteristic race Consideration have the advantage that：Minimum is lowered to by the heating to component caused by charging process.When than most short charging duration When more time is available for charging process, maximum charge is being in using having by being adapted to IU charging methods Other a series of advantages are drawn in the case of the operating point of smaller charge power below power.Minimum is reduced to by component Cooling device can be designed to simpler, more inexpensive and smaller or even fully phased out by heating（entfallen）.Example Such as, can be by for the air cooled fin of component（Rippen）To replace the liquid cooling to component.On the other hand, exist The energy loss occurred during charging can be so lowered, its mode is, such as is not required during the charging process actively Run cooling cycle circuit in ground.The reduction of system cost and filling for low cost are thus drawn for the user of rectifier Electricity because the charge loss of reduction do not produce or obvious need not via for obtain electric current into being paid for originally.This Outside, the component heating of minimum is reduced to due to the heat load of smaller to be caused：Improve the components, such as of all participation energy transmission The service life of accumulator and rectifier.
By the measure mentioned in the dependent claims, the favourable of illustrated method changes in the independent claim It is possible into scheme.
Advantageously select power so that the first efficiency and the second efficiency characteristic race by the first efficiency characteristic race The gross efficiency that draws of combination of the second efficiency composition be the largest.Therefore, the waste heat of rectifier and accumulator is lowered to most Cost that is small and thus be accordingly used in cooling component advantageously declines.One big advantage is, by using maximum gross efficiency, is used for The cost for the energy to be expended is lowered and thus be accordingly used in the cost of charging process and is minimized.
If rectifier cannot identify the species of energy consumer in the second step and rectifier is diligent in the 5th step Rate supplies energy consumer, and wherein power is chosen according only to the second efficiency characteristic race, then advantageously skip third step.This It also advantageously leads to charge during the charging process to set in the case of the unknown efficiency characteristic race of energy consumer The reduction of standby heating.Advantage is, the cost for the energy to be expended has been reduced by using the maximal efficiency of rectifier And therefore reduce the cost of charging process.
Advantageously, power is so selected so that the second efficiency of the second efficiency characteristic race is maximum.This advantageously exists Cause to add rectifier with the operation of maximal efficiency by rectifier in the case of the unknown accumulator of its efficiency characteristic race Optimal reduction for heat.
Advantageously, the first efficiency characteristic race and/or the second efficiency characteristic race are stored in the database In first data storage and/or the second data storage.Therefore advantageously, realize and efficiency characteristic song is simply and reliably provided Line race and without expend calculating.
It is also advantageous that rectifier can will be limited to less than rectifier from the obtained maximum power of supply network Rated power.This has the advantage that：Rectifier can be run on the network for having conditional efficient capacity.Advantageously, it is thus whole Stream device can be run in supply network interface, and the efficient capacity of the supply network interface is in the rated power of rectifier Under.In addition, when multiple rectifiers or a rectifier and other electrical appliances are connected with supply network interface at the same time, then Power can also advantageously be limited.The overload of supply network interface and/or each overcurrent protection can advantageously be avoided Triggering.
It is also advantageous that rectifier reduced in the case where reaching the first running temperature threshold value of rectifier power until Reach the second running temperature threshold value, wherein the second running temperature threshold value is on the first running temperature threshold value.This has the advantage that： The heating of rectifier can be adapted with the heat-sinking capability of the cooling device of rectifier.
Turn it is also advantageous that rectifier interrupts energy in the case of the second running temperature threshold value beyond charging equipment Change process.Therefore the heat dissipation during charging can be advantageously limited in, to reduce the cost for cooling component.Pass through shut-off The damage carried out due to high running temperature to rectifier is advantageously also reliably avoided in the case of the cooling device implemented is simplified It is bad.
Advantageously, rectifier in the case of the second running temperature threshold value without departing from rectifier with the power of reduction again Secondary beginning（aufnehmen）Conversion process of energy.Advantageously, when rectifier be again cooled to the second running temperature threshold value with When lower, independently again continued to by rectifier with the power reduced in the scope between the first and second running temperature threshold values Charging process through interruption.Therefore the damage carried out due to high running temperature to rectifier is reliably avoided.Advantageously, moreover Avoid to the unnecessary interruption of charging process.
Advantageously, rectifier in the case of the first running temperature threshold value without departing from rectifier by conversion process of energy Bring up to the corresponding total power of selected energy transformation method with rectifier.Advantageously, when rectifier generally When cooling is caused without departing from the first running temperature threshold value again, charge power is independently fully brought up to it by rectifier again Power determined by preceding.Therefore rectifier advantageously avoids the unnecessary extension of charging process.
Other features and advantages of the present invention can then retouching from exemplary embodiment for professional State the appended attached drawing of middle reference to find out, but the embodiment is not interpreted to limit the present invention.
Brief description of the drawings
Wherein：
Fig. 1 shows the schematic diagram of the flow for the method to charging accumulator；
Fig. 2 shows the schematic diagram for the component to charging accumulator；
Fig. 3 shows to have the schematic diagram of the component in the vehicle of electric driver.
Embodiment
All figures are the schematic diagram of the method according to the invention or part according to an embodiment of the invention.Especially It is that interval and magnitude relationship are not reproduced in figure in a manner of meeting ratio.Respective element is equipped with phase in various figures Same Ref. No..
Fig. 1 shows to be used for the schematic diagram to the method for charging accumulator according to the present invention.The conduct in first step A The rectifier 10 of charging equipment work communicates with energy consumer 11.In subsequent second step B, identified relative to rectifier 10 Go out the species of energy consumer 11, subsequent rectifier 10 obtains energy consumer 11 in third step C from the first data storage 13 First efficiency characteristic race 12.In four steps D, rectifier 10 obtains rectifier 10 from the second data storage 15 Second efficiency characteristic race 14.In the 5th step E, rectifier 10 supplies energy consumer 11 with power 16, wherein according to first Efficiency characteristic race 12 and second efficiency characteristic race 14 selects the power 16.The two efficiency characteristic races can To be combined with each other so that draw the gross efficiency characterisitic family for the system being made of rectifier 10 and energy consumer 11.By energy consumer 11 power requirement and gross efficiency characterisitic family to select operating point for rectifier 10, in the case of the operating point, by whole The gross efficiency for the system that stream device 10 and energy consumer 11 form is the largest respectively.This can be the maximum power with rectifier 10 Operating point or with smaller power operating point.In addition, the operating point for rectifier 10 can be selected as：Only consume Energy device 11 is run in the form of electric energy accumulator with optimum for efficiency, to postpone the aging of electric energy accumulator.
Fig. 2 shows the schematic diagram of the component for charging to electric energy accumulator.The element identical on prior figures 1 is equipped with phase With reference numeral and be no longer expanded on further.Rectifier 10 is changed from 20 obtained electric energy of supply network so that full The requirement of sufficient energy consumer 11.If rectifier 10 is, for example, charging equipment 10, the charging equipment will be from the institute of supply network 20 Obtained alternating current is converted into DC current, wherein the DC current have by battery pack it is previously given, for pair The voltage of battery pack charging.In other embodiments, the rectifier 10 to work as DC voltage converter 10 will be from power supply 20 obtained DC current of network is converted into another voltage for being used to charge to the battery pack on another voltage level DC current.Rectifier 10 and electrical appliance 11 are all subject to efficiency to tie down respectively（wirkungsgradbehaftet）And Heated during operation due to the waste heat of generation.The control device according to the present invention of rectifier 10 is from the first data storage 13 In obtain the first efficiency characteristic race 12 of energy consumer 11 and obtain the of rectifier 10 from the second data storage 15 Two efficiency characteristic races 14.
Fig. 3 shows to have the schematic diagram of the component in the vehicle of electric driver.The member identical with Fig. 2 on prior figures 1 Part is equipped with identical reference numeral and is no longer expanded on further.In order to use vehicle of the electric energy supply with electric driver 32 25, vehicle 25 is connected with supply network 20.The connection can in a manner of conduction via cable come carry out or with sensing Mode carry out.Supply network 20 can provide DC current or alternating current.Suitable connection on to supply network Socket or charging column in point e.g. garage（Such as filled according to the conduction-type for electric vehicle of DIN EN61851-1 Electric system）Or the transmitting antenna of inductive charging device.Rectifier 10 in the form of charging equipment in the car will be from power supply 20 obtained electric energy of network is changed so that meets the requirement of the energy consumer 11 in the form of traction battery group.In order to which energy is returned It is fed in supply network 20, rectifier 10 can also be implemented as the charging equipment of two-way operation.In addition, as direct current buckling Second rectifier 26 of parallel operation work will be converted to from the obtained DC current of one of rectifier 10 or traction battery group 11 DC current with another voltage for charging to the second battery pack 27 on another voltage level.The root of rectifier 26 According to the present invention control device obtained from the 3rd data storage 28 energy consumer 27 the 3rd efficiency characterisitic family 29 and The 4th efficiency characterisitic family 31 of rectifier 26 is obtained from the 4th data storage 40.In order to which component efficiency is optimally transported OK, first efficiency characteristic race 12 and the second efficiency characteristic in the case where supplying energy consumer 11 by rectifier 10 The combination of race 14 or the 3rd efficiency characterisitic family in the case where being charged by the second rectifier 26 to the second battery pack 27 29 and the 4th the combination of efficiency characterisitic family 31 cause reduction most to big possible energy transmission and therefore in battery pack Cause the extension in charging interval during charging.It is special in the first efficiency for considering these components participated in of rectifier 10 and energy consumer 11 The rise of institute's transmission energy, its mode can be achieved in that in the case of 12 and second efficiency characteristic race 14 of linearity curve race Either to allow to have relative deviation with optimal gross efficiency 17 or allowing the upper absolute limit of the higher for loss power. Thus, for example the duration that charges can be accelerated in the case of the deviation of tolerance and optimal gross efficiency 17.Consideration pair can be passed through For example it is adapted charging process and the cooling effectiveness of the cooling device of component in the upper absolute limit of loss power.When energy consumer 11 Efficiency characteristic race it is unknown when, can so control rectifier 11 so that otherwise allow have phase with optimal gross efficiency 17 Or the upper absolute limit of the higher only for the loss power for rectifier 10 is allowed deviation.Additionally can so it control The operation of rectifier 10 so that without departing from the running temperature allowed of rectifier 10.In this regard, the first running temperature can reached The power of rectifier 10 is reduced during threshold value 23, to avoid the further rise of the running temperature of rectifier 10.Considering rectification In the case of second efficiency characteristic race 14 of device 10 and the first efficiency characteristic race 12 of energy consumer, in the first operation temperature Spend so operation of rectifier 10 of the control with the power reduced between 23 and second running temperature threshold value 24 of threshold value so that total Efficiency 17 is identical compared with having when reaching the first running temperature threshold value 23 or more preferable value.When power reduces insufficient When enough, the energy of rectifier 10 can be interrupted when reaching the second running temperature threshold value 24 higher than the first running temperature threshold value 23 Transfer process, until again without departing from the second running temperature threshold value 24 of rectifier 10.Can be similarly in the second rectifier 26 In the case of perform with the relevant control of temperature.Rectifier 10 can also be arranged outside the vehicle and/or work in a bi-directional way.

Claims (10)

1. for running rectifier（10）Method, wherein the rectifier be used for supply energy consumer（11）, it is characterised in that
- in first step（A）Described in rectifier（10）With the energy consumer to be supplied（11）Communication；
- in second step（B）Described in rectifier（10）Identify the energy consumer（11）Species；
- in third step（C）Described in rectifier（10）From the first data storage（13）In obtain the energy consumer（11）'s First efficiency characteristic race（12）；
- in four steps（D）Described in rectifier（10）From the second data storage（15）In obtain the rectifier（10）'s Second efficiency characteristic race（14）；
- in the 5th step（E）Described in rectifier（10）With power（16）Supply the energy consumer（11）, wherein the power （16）According to the first efficiency characteristic race（12）With the second efficiency characteristic race（14）It is chosen.
2. described in accordance with the claim 1 be used to run rectifier（10）Method, it is characterised in that
The power（16）It is selected so that by the first efficiency characteristic race（12）The first efficiency（18）With described Two efficiency characteristic races（14）The second efficiency（19）The gross efficiency that the combination of composition is drawn（17）It is the largest.
3. described in accordance with the claim 1 be used to run rectifier（10）Method, it is characterised in that
If the rectifier（10）In the second step（B）In cannot identify the energy consumer（11）Species and described Rectifier（10）In the 5th step（E）In with power（16）To supply the energy consumer（11）, wherein the power（16）Only root According to the second efficiency characteristic race（14）It is chosen, then skips the third step（C）.
4. described in accordance with the claim 3 be used to run rectifier（10）Method, it is characterised in that
The power（16）It is selected so that the second efficiency characteristic race（14）The second efficiency（19）It is the largest.
5. any one of them according to preceding claims is used to run rectifier（10）Method, it is characterised in that
The first efficiency characteristic race（12）And/or the second efficiency characteristic race（14）It is stored in the database First data storage（13）And/or second data storage（15）In.
6. any one of them according to preceding claims is used to run rectifier（10）Method, it is characterised in that
The rectifier（10）Can will be from supply network（20）Obtained maximum power（21）It is limited to less than the rectification Device（10）Rated power（22）.
7. any one of them according to preceding claims is used to run rectifier（10）Method, it is characterised in that
The rectifier（10）Reaching the rectifier（10）The first running temperature threshold value（23）In the case of reduce power Until reaching the second running temperature threshold value（24）, wherein the second running temperature threshold value（24）In first running temperature Threshold value（23）On.
8. according to described in claim 9 be used for run rectifier（10）Method, it is characterised in that
The rectifier（10）Beyond the charging equipment（10）The second running temperature threshold value（24）In the case of in Disconnected conversion process of energy.
9. according to described in claim 10 be used for run the rectifier（10）Method, it is characterised in that
The rectifier（10）Without departing from the rectifier（10）The second running temperature threshold value（24）In the case of with The power of reduction starts again at the conversion process of energy.
10. according to described in claim 9 be used for run rectifier（10）Method, it is characterised in that
The rectifier（10）Without departing from the rectifier（10）The first running temperature threshold value（23）In the case of will described in Conversion process of energy is brought up to and the rectifier（10）The corresponding total power of selected energy transformation method.
CN201710977168.1A 2016-10-20 2017-10-19 Method for running rectifier Pending CN107968579A (en)

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Application publication date: 20180427