CN106985687A - Propulsion plant, electric powertrain and for charging, the device of inversion and feedback - Google Patents
Propulsion plant, electric powertrain and for charging, the device of inversion and feedback Download PDFInfo
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- CN106985687A CN106985687A CN201710151802.6A CN201710151802A CN106985687A CN 106985687 A CN106985687 A CN 106985687A CN 201710151802 A CN201710151802 A CN 201710151802A CN 106985687 A CN106985687 A CN 106985687A
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- switch
- switching branches
- branch road
- voltage
- battery
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Classifications
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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
- B60L53/10—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
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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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
- B60L53/24—Using the vehicle's propulsion converter for charging
-
- 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
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
-
- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
-
- 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
- Y02T10/80—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
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention propose can electrically driven (operated) propulsion plant, electric powertrain and a kind of device, by the device by few hardware ancillary cost, charge operation, inverter operation and the feedback operation between the first DC voltage and the second DC voltage can be achieved.Described device in order to：Charged the battery by DC voltage interface, hereinafter referred to as " charge operation "；The electric energy from battery is supplied to motor, hereinafter referred to as " inverter operation "；And electric energy is fed back in DC voltage interface by battery, hereinafter referred to as " feedback operation ", and including：Three-phase inverter, with the switching branches respectively with two switches；And additional switch, wherein additional switch is disposed between the first switch branch road of switching branches and the second switch branch road of switching branches, and/or between the first switch branch road of switching branches and the 3rd switching branches of switching branches, and it is arranged to, is closed and is disconnected in charge operation and in feedback operation in inverter operation.
Description
Technical field
The present invention relates to a kind of propulsion plant, a kind of electric powertrain and it is a kind of be used for by inversion charge topology to charge,
Inversion and the method for feedback.Present invention relates especially to the envelop of function of inverter is expanded by few hardware ancillary cost
Exhibition.
Background technology
Following inverter well known in the art, its can realize by DC voltage accumulator (such as traction battery) Lai
Alternating voltage (such as three-phase alternating voltage) is provided so as to service meter (such as traction electric machine).In the situation of threephase motor
Under, usually using three branch roads respectively with two switches, wherein the centre tap between each two switch of same branch road
It is connected with the inductance of motor.Pass through the suitable control of six switches, it now is possible to use dc source (such as battery or electricity
Source) to provide electric energy for the motor.
US 2013/0057200 and US 2013/0307333 disclose the corresponding inverter of prior art.
The content of the invention
From above-mentioned prior art, task of the invention is to create a kind of new inversion charging topology, and it can lead to
Additional component as few as possible is crossed to be charged the battery by DC- power supplys, energy from the battery feed back to power network in or can be to
Other batteries charge.
Task suggested above is used to be charged the battery by DC voltage interface according to the present invention by one kind (" to charge
Operation "), for supplying electric energy (" inverter operation ") from battery and described for electric energy to be fed back to from battery to motor
The device of (" feedback operation ") is solved in DC voltage interface.Therefore, described device can be by the motor or the electricity
The inductance of machine realizes dc source (or the battery connected on its position) and the traction battery for running the motor
Between all energy streams.The device includes the three-phase inverter that a kind of each switching branches have two switches respectively.It is described
Switching branches can have two IGBT (Isolated Gate Bipolar Transistor respectively：Insulated gate bipolar crystal
Pipe).The switch can switch with turning on or be not turned on independently of one another.In the case of using IGBT, parasitic two pole can be used
Pipe as fly-wheel diode, so as to independent of respective switch on off state realize in one direction by electricity
Stream.According to the present invention, additional switch is set, it is disposed in the first switch branch road and the switch branch of the switching branches
Between the second switch branch road on road and/or in the first switch branch road and the 3rd switch of the switching branches of the switching branches
Between branch road.The additional switch basically implies that unique hardware for conventional this kind of inverter is extra
Spend.The additional switch is arranged for that conventional inverter is closed and therefore constituted in inverter operation, and
It is disconnected in charge operation and in feedback operation, to provide function additional, according to set by the present invention.Pass through
This mode, battery can independent of both sides voltage level and by few additional component, (i.e. only only one is additional
Switch) charged by DC- charging stations.Additionally, energy can be fed in power network by battery, wherein the voltage level and battery of both sides
It is unrelated.This is realized by optionally additional inverter.Additionally, outside battery (such as traction electricity of outside electric automobile
Pond) can by the voltage level of the traction battery of electric automobile observed, according to the present invention and two batteries independently by
Charging.This may be for example favourable in case of emergency or when casting anchor, and ensure or improve the motor-driven of electric automobile
Property.By the scheme invented being explained further below, not only high-tension battery can (DC- refuels by DC- power source charges
Stand), other batteries can be charged by the traction battery of electric automobile (EV), and battery can by electric energy feedback into power network,
So that the traction battery provides DC- output voltages.The output voltage to be adjusted (it is cell voltage in charge operation,
It is DC- output voltages in feedback) can be independent of input voltage (charging：DC- power supplys, feedback：Battery) freely adjust, also
It is say, output voltage can be adjusted arbitrarily and independent of power supply.Here, output voltage does not imply that battery electricity
Pressure, and refers to the voltage to be adjusted, wherein can according to by electric current, or battery is charged, or DC- power supply (examples
Such as charging equipment) charged." power supply " according to circumstances either refers to DC- power supplys or refers to observed (sheet) herein
The battery of automobile.
Dependent claims show the preferred extension of the present invention.
The switching branches preferably have the interface for the corresponding inductance for motor being disposed between its respective switch.
Therefore, the device proposed is arranged for being electrically connected on (such as three-phase) motor and therefore, it is possible to realize the electricity
The inductance of machine it is integrated.These inductance can be used as accumulator, start independently to be realized as far as possible with relevant voltage level
The energy stream direction being previously mentioned.The inductance especially can be electrically connected to each other with star, it follows that be discussed with reference to accompanying drawing
Applicable cases and pass through electric current.
The additional switch may include the first IGBT and the diode in parallel with the IGBT, and preferably have two instead
To IGBT and two of the series connection diode in parallel with an IGBT respectively.Here, the diode is especially reversely with each otherly
Orientation, is thus prevented：One or the other two pole can independently be passed through with the on off state of the additional switch by electric current
Pipe.
The additional switch is arranged for carrying out reversible electric isolution.In the design, described additional opens
Pass is understood to be " mechanical switch " or " relay ".According to which energy between the dc source and the battery or
Person moves between the dc source and the traction electric machine or between the traction electric machine and the battery, described attached
Plus a kind of this or another embodiment of switch can be certified as being suitable.
Diode relative to the DC voltage interface along cut-off direction orientation can be opened with three each of switching branches
Close in parallel.In other words, the diode of parallel connection is oriented to respectively so that DC current will not as caused by the dc source
Flow through any one in diode.
Preferably, described device is arranged to,
The smaller situation of voltage described in-voltage ratio in charge operation and on the battery on DC voltage interface
Under,
The first switch of the first switch branch road of switching branches described in-Pulse Width Control；
The second switch of the first switch branch road of-disconnection switching branches；
3rd switch of the second switch branch road of-disconnection switching branches；
4th switch of the second switch branch road of-disconnection switching branches；
5th switch of the 3rd switching branches of-disconnection switching branches；And
6th switch of the 3rd switching branches of-disconnection switching branches；And/or
The higher situation of voltage described in-voltage ratio in charge operation and on the battery on DC voltage interface
Under,
The first switch of the first switch branch road of-closure switching branches；
The second switch of the first switch branch road of-disconnection switching branches；
3rd switch of the second switch branch road of-disconnection switching branches；
4th switch of the second switch branch road of switching branches described in-Pulse Width Control；
5th switch of the 3rd switching branches of-disconnection switching branches；And
6th switch of the 3rd switching branches of switching branches described in-Pulse Width Control；And/or
- feedback run and voltage ratio on DC voltage interface described in battery voltage it is smaller in the case of,
The second switch of the first switch branch road of-disconnection switching branches；
3rd switch of the second switch branch road of switching branches described in-Pulse Width Control；
4th switch of the second switch branch road of-disconnection switching branches；
5th switch of the 3rd switching branches of switching branches described in-Pulse Width Control；And
6th switch of the 3rd switching branches of-disconnection switching branches；And/or
- feedback run and voltage ratio on DC voltage interface described in battery voltage it is higher in the case of,
The first switch of the first switch branch road of-disconnection switching branches；
The second switch of the first switch branch road of switching branches described in-Pulse Width Control；
3rd switch of the second switch branch road of-closure switching branches；
4th switch of the second switch branch road of-disconnection switching branches；
5th switch of the 3rd switching branches of-closure switching branches；And
6th switch of the 3rd switching branches of-disconnection switching branches.
In this way, so that it may realize all running statuses as described in Figure 5 and on off state.
According to the second aspect of the invention, it is proposed that it is a kind of be used for can electrically driven (operated) propulsion plant electric powertrain, its wrap
Include a kind of device according to any one of the claims.In this way, the power train can realize feature, spy
Levy combination and the advantage and situation and applicable cases especially with reference to described by prior art that are drawn as it.
According to the third aspect of the invention we, it is proposed that one kind can electrically driven (operated) propulsion plant (such as car, motorcycle, two
Take turns car, transporter, cargo vehicle, aerial and/or marine communication means), the propulsion plant has according to the hair being previously mentioned at first
The device of bright aspect and alternatively or additionally have according to the electric powertrain of the second inventive aspect being previously mentioned.It is described can
In terms of electrically driven (operated) propulsion plant, the advantage, feature and combinations of features corresponding to above-mentioned implementation are also drawn.
Independently of inventive aspect, it is determined that device in, the design of the additional switch can pass through a kind of letter
Single semiconductor switch (such as only one IGBT replaces the IGBT of two phase anti-series) is designed.If for example described direct current
The voltage level of power supply is consistently greater than or is consistently less than the voltage level of the battery, then can pass through the suitable of each IGBT
Orientation is closed, realizes and prevents to pass through intrinsic diode by electric current.
Brief description of the drawings
Embodiments of the invention are described in detail with reference to the accompanying drawings.In the accompanying drawings：
Fig. 1 is the first circuit diagram, illustrates a kind of embodiment of the apparatus according to the invention and in the first running status
Under pass through electric current；
Fig. 2 is the first circuit diagram, illustrates a kind of embodiment of the apparatus according to the invention and in the second running status
Under pass through electric current；
Fig. 3 is the first circuit diagram, illustrates a kind of embodiment of the apparatus according to the invention and in the 3rd running status
Under pass through electric current；
Fig. 4 is the first circuit diagram, illustrates a kind of embodiment of the apparatus according to the invention and in the 4th running status
Under pass through electric current；And
Fig. 5 is for the on off state table applied to device according to an embodiment of the present.
Embodiment
Fig. 1 shows a kind of circuit diagram of embodiment of the apparatus according to the invention 1, and in the apparatus, inverter passes through
Intermediate circuit electric capacity CZ coordinates the energy stream between dc source DC, motor 3 and battery 4 between two parties.As in the prior art often
As, be provided with three switching branches SS1, SS2, SS3, the switching branches have respectively two switch IGBT1,
IGBT2、IGBT3、IGBT4、IGBT5、IGBT6.Respective switch IGBT1, IGBT2, IGBT3, IGBT4, IGBT5, IGBT6 it
Between connect corresponding inductance L1, L2, L3 of the upper motor 3 with star.There are two separately according to the additional switch S10 of the present invention
Outer IGBT IGBT7, IGBT8, its connects and with the electrical connection on its grid reversely with each otherly.In order to provide inverter operation,
The additional switch S10 is switched on, and is achieved in a kind of electric installation of the type of the inverter according to according to prior art.For
Offer charge operation, the additional switch S10 is cut off.Shown is drawn by electric current in the case where feedback is run,
In feedback operation, the additional switch S10 is disconnected and the supply voltage of the dc source DC is less than voltage UBatt。
In order to which electric energy is from battery 4 to dc source DC feedbacks, respective switch IGBT1 to IGBT6 is controlled using shown signal, wherein
S0 corresponds to the switch disconnected, and ST corresponds to IGBT pulsing operation.Current path shown in solid represent it is consistent or
The thick-and-thin sense of current, and the current path shown in dotted line represents the electric current of desultory current control or alternating direction
Control.For example, drawing electric current I for situations belowIGBT5ein, i.e. IIGBT5ein：The switch IGBT5 of the 3rd switching branches SS3
It is switched on, and electric current I is drawn in the case where the IGBT5 of the 3rd switching branches SS3 is cut offIGBT5aus.In each case
Under, the 3rd inductance L3 is passed through by electric current in a same direction.It is corresponding to be applied to by the second switch branch road SS2's
Pass through electric current and described switch IGBT3, IGBT4 and the second inductance L2.
Fig. 2 shows that the device shown in Fig. 1 is under the second running status, and under the running status, energy is by battery 4
Feed back in dc source DC, wherein the additional switch S10 is disconnected and the voltage of the dc source DC is more than institute
State the voltage U of battery 4Batt.In order to which energy is fed back in dc source DC by battery 4, it is necessary to cell voltage UBattBoosting.This
The outside traction battery that planting applicable cases can for example realize that structure type is similar but voltage level is higher passes through internal traction electricity
The charging in pond 4.Described switch IGBT1, IGBT4 and IGBT6 are cut off (control signal S0).Described switch IGBT3, IGBT5 are held
Connect long (switching signal S1).The switch IGBT2 pulsedly runs (switching signal ST).Shown electric current is drawn, wherein
Those of implementation identical with Fig. 1 are applied to the diagram.
Fig. 3 shows the embodiment that combination Fig. 1 and Fig. 2 of the apparatus according to the invention 1 are discussed, in the apparatus, institute
Battery 4 is stated to be electrically charged, and the voltage of the dc source DC is more than cell voltage UBatt.In this operation mould according to the present invention
In formula, the additional switch S10 is also disconnected.The switch IGBT2 to IGBT6 is disconnected (switching signal S0), and described
Switch IGBT1 pulsedly runs (switching signal ST).When the switch IGBT1 is cut off, just draw by the switch
IGBT2 intrinsic diode by electric current, should by electric current by the first inductance L1 and switch IGBT3 or
IGBT5 is transmitted towards the direction of the battery 4.If the first switch IGBT1 is conductively connected, draw by described
The desultory of dc source DC passes through electric current.
Fig. 4 shows that the embodiment that combination Fig. 1 to 3 of the apparatus according to the invention 1 is illustrated is in charge operation (battery
4 are charged by the dc source DC) in, and the dc source DC has than the cell voltage UBattSmaller voltage.
Correspondingly, the voltage of the dc source must boost, and be this disconnects the additional switch S10 according to the present invention, and described the
One switch IGBT1 is switched on (switching signal S1), and the second switch IGBT2 is disconnected (switching signal S0) and the switch
IGBT4, IGBT6 pulsedly run (switching signal ST).Described switch IGBT3, IGBT5 on off state do not determine business
Justice, because can be carried out respectively by corresponding intrinsic diode by electric current.Therefore, the battery 4 can be electrically charged, although described
Battery 4 has the electricity higher for the traction battery for recharging here and using of the dc source DC or outside automobiles than being connected
Voltage levels.
The figure inquired into above illustrate only the related running status according to the present invention, in these running statuses
In, the additional switch S10 is disconnected.For closure additional switch S10 on electrical technology with prior art phase
With situation for, draw the replacement circuit figure of traditional inverter, its function be for professional it is known and
Therefore do not further look at herein.
Fig. 5 shows a kind of chart, illustrates the overview of the operating point of the apparatus according to the invention.According to Fig. 5 chart
Reflect on off state claimed in claim 8.
Claims (10)
1. a kind of device (1),
- be used to be charged to battery (4) by DC voltage interface (DC), hereinafter referred to as " charge operation "；
- be used for give motor (3) supply from the battery (4) electric energy, hereinafter referred to as " inverter operation " and
- fed back to for electric energy by the battery (4) in the DC voltage interface (DC), hereinafter referred to as " feedback operation ", institute
Stating device includes：
- three-phase inverter (2), (IGBT1, IGBT2 are switched with having two respectively；IGBT3, IGBT4；IGBT5, IGBT6)
Switching branches (SS1, SS2, SS3), and
- the switch (S10) added, wherein the additional switch (S10) is arranged
- the switching branches (SS1, SS2, SS3) first switch branch road (SS1) and the switching branches (SS1, SS2,
SS3 between second switch branch road (SS2)), and/or
- the switching branches (SS1, SS2, SS3) first switch branch road (SS1) and the switching branches (SS1, SS2,
SS3 between the 3rd switching branches (SS3)), and the additional switch (S10) is arranged to,
- be closed and be disconnected in charge operation and in feedback operation in inverter operation.
2. device (1) according to claim 1, wherein, the switching branches (SS1, SS2, SS3), which have, is disposed in it
Respective switch (IGBT1, IGBT2；IGBT3, IGBT4；IGBT5, IGBT6) between, it is for corresponding inductance (L1, L2, L3)
Interface.
3. device (1) according to claim 1 or 2, wherein, in the phase of three switching branches (SS1, SS2, SS3)
Inductive switch (IGBT1, IGBT2；IGBT3, IGBT4；IGBT5, IGBT6) between be connected with motor (3) corresponding inductance (L1, L2,
L3)。
4. device (1) according to claim 3, wherein, the corresponding inductance (L1, L2, L3) electrically connects with star each other.
5. the device (1) according to any one of the claims, wherein, the additional switch (S10) has first
IGBT (IGBT7) and diode (D7), preferably with two IGBT oppositely connected (IGBT7, IGBT8) and two respectively with
One IGBT (IGBT7, IGBT8) diode (D7, D8) in parallel.
6. the device (1) according to any one of the claims, wherein, use is set in the additional switch (S10)
In the reversible electric isolution of progress.
7. the device (1) according to any one of the claims, wherein, three switching branches (SS1, SS2,
SS3 each switch (IGBT1, IGBT2)；IGBT3, IGBT4；IGBT5, IGBT6) and on the DC voltage interface (DC)
It is in parallel in the upwardly-directed diode in cut-off side (D1-D6).
8. the device (1) according to any one of the claims, wherein, described device is arranged to,
- smaller in the voltage described in charge operation and voltage ratio on the battery (3) on DC voltage interface (DC)
In the case of,
- pulsedly control the switching branches (SS1, SS2, SS3) first switch branch road (SS1) first switch (IGBT1)；
The second switch (IGBT2) of the first switch branch road (SS1) of-disconnection switching branches (SS1, SS2, SS3)；
3rd switch (IGBT3) of the second switch branch road (SS2) of-disconnection switching branches (SS1, SS2, SS3)；
4th switch (IGBT4) of the second switch branch road (SS2) of-disconnection switching branches (SS1, SS2, SS3)；
5th switch (IGBT5) of the 3rd switching branches (SS3) of-disconnection switching branches (SS1, SS2, SS3)；And
6th switch (IGBT6) of the 3rd switching branches (SS3) of-disconnection switching branches (SS1, SS2, SS3)；And/or
- higher in the voltage described in charge operation and voltage ratio on the battery (3) on DC voltage interface (DC)
In the case of,
The first switch (IGBT1) of the first switch branch road (SS1) of-closure switching branches (SS1, SS2, SS3)；
The second switch (IGBT2) of the first switch branch road (SS1) of-disconnection switching branches (SS1, SS2, SS3)；
3rd switch (IGBT3) of the second switch branch road (SS2) of-disconnection switching branches (SS1, SS2, SS3)；
- pulsedly control the switching branches (SS1, SS2, SS3) second switch branch road (SS2) the 4th switch (IGBT4)；
5th switch (IGBT5) of the 3rd switching branches (SS3) of-disconnection switching branches (SS1, SS2, SS3)；And
- pulsedly control the switching branches (SS1, SS2, SS3) the 3rd switching branches (SS3) the 6th switch (IGBT6)；
And/or
- feedback run and voltage ratio on DC voltage interface (DC) described in battery (3) voltage it is smaller in the case of,
The second switch (IGBT2) of the first switch branch road (SS1) of-disconnection switching branches (SS1, SS2, SS3)；
- pulsedly control the switching branches (SS1, SS2, SS3) second switch branch road (SS2) the 3rd switch (IGBT3)；
4th switch (IGBT4) of the second switch branch road (SS2) of-disconnection switching branches (SS1, SS2, SS3)；
- pulsedly control the switching branches (SS1, SS2, SS3) the 3rd switching branches (SS3) the 5th switch (IGBT5)；
And
6th switch (IGBT6) of the 3rd switching branches (SS3) of-disconnection switching branches (SS1, SS2, SS3)；And/or
- feedback run and voltage ratio on DC voltage interface (DC) described in battery (3) voltage it is higher in the case of,
The first switch (IGBT1) of the first switch branch road (SS1) of-disconnection switching branches (SS1, SS2, SS3)；
- pulsedly control the switching branches (SS1, SS2, SS3) first switch branch road (SS1) second switch (IGBT2)；
3rd switch (IGBT3) of the second switch branch road (SS2) of-closure switching branches (SS1, SS2, SS3)；
4th switch (IGBT4) of the second switch branch road (SS2) of-disconnection switching branches (SS1, SS2, SS3)；
5th switch (IGBT5) of the 3rd switching branches (SS3) of-closure switching branches (SS1, SS2, SS3)；And
6th switch (IGBT6) of the 3rd switching branches (SS3) of-disconnection switching branches (SS1, SS2, SS3).
9. one kind be used for can electrically driven (operated) propulsion plant (10) electric powertrain, including one kind is according to any in the claims
Device (1) described in.
10. one kind can electrically driven (operated) propulsion plant (10), it is including a kind of according to any one of preceding claims 1 to 8
Device (1) and/or a kind of electric powertrain according to claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016200682.7 | 2016-01-20 | ||
| DE102016200682.7A DE102016200682A1 (en) | 2016-01-20 | 2016-01-20 | Electrically powered means of locomotion, electric drive train and arrangement for charging, inverting and returning |
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| CN106985687A true CN106985687A (en) | 2017-07-28 |
| CN106985687B CN106985687B (en) | 2022-11-29 |
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| CN201710151802.6A Active CN106985687B (en) | 2016-01-20 | 2017-01-19 | Propulsion device, electric drive system and device for charging, inverting and feeding back |
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Cited By (2)
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| CN111347890A (en) * | 2018-12-21 | 2020-06-30 | 比亚迪股份有限公司 | Vehicle, charging device and motor control circuit thereof |
| US11479139B2 (en) | 2015-09-11 | 2022-10-25 | Invertedpower Pty Ltd | Methods and systems for an integrated charging system for an electric vehicle |
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| DE102018207188A1 (en) * | 2018-05-09 | 2019-11-14 | Robert Bosch Gmbh | Inverter, electric powertrain, vehicle and method of operating an inverter |
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Also Published As
| Publication number | Publication date |
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| CN106985687B (en) | 2022-11-29 |
| DE102016200682A1 (en) | 2017-07-20 |
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