CN108512239A - A kind of hybrid energy sources system for electric vehicle and its control strategy - Google Patents
A kind of hybrid energy sources system for electric vehicle and its control strategy Download PDFInfo
- Publication number
- CN108512239A CN108512239A CN201810442005.8A CN201810442005A CN108512239A CN 108512239 A CN108512239 A CN 108512239A CN 201810442005 A CN201810442005 A CN 201810442005A CN 108512239 A CN108512239 A CN 108512239A
- Authority
- CN
- China
- Prior art keywords
- voltage
- super capacitor
- battery
- max
- soc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
-
- 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
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of hybrid energy sources system for electric vehicle and its control strategies, including hardware circuit and controller；The hardware circuit includes：Two-way DC/DC interface circuits one that battery pack, super capacitor group, the battery pack and super capacitor group are connected with DC bus respectively, two-way DC/DC interface circuits two, the interface circuit between the battery pack and super capacitor group；The controller includes interface circuit controller and energy management controller.The interface circuit controller can both maintain dynamic equalization of each battery cell voltage in charge and discharge process according to battery set charge/discharge Pressure and Control program；Control signal can also be generated and realize that the DIRECT ENERGY in two class energy storage sources exchanges, so that super capacitor is run on preferable state-of-charge, give full play to its power regulation ability.The energy management controller realizes reasonable distribution of the power between accumulator and ultracapacitor.
Description
Technical field
The present invention relates to energy storage technology, field of power supplies, a kind of hybrid energy sources system for electric vehicle and its control are refered in particular to
Strategy is suitable for the hybrid energy sources systems such as electric vehicle, urban track traffic.
Background technology
In oil shortage, Public environmental attitude significantly increases, and government driving, laws and regulations become better and approaching perfection day by day and the common people couple
Under the overall situation that the electric vehicle degree of recognition improves, electric vehicle is leading the trend of World Automobile Industry.Reliably, efficiently
Dynamical system with low cost is the key that any types electric vehicle, energy storage technologies therein be also restrict at present it is electronic
One of key factor of development of automobile, ultracapacitor is as a kind of novel energy-storage travelling wave tube, superior performance, especially power
Density is very high, therefore supplementary energy and power battery can be used as to constitute the hybrid energy sources of electric vehicle, and it is electronic to make up tradition
The shortcoming of automobile, when automobile starting, acceleration and climbing are provided in short-term high-power, especially electric vehicle descending or
When deceleration, energy is absorbed by ultracapacitor, not only realizes Brake energy recovery, but also protects a battery from rushing for high current
It hits, maintains the health of battery, while improving the efficiency of energy regenerating again.
It, must be by multiple to obtain the high power battery pack of voltage class since the voltage class of power battery monomer is low
Power battery is monomer series-connected to be obtained, and study with practice have shown that, due to the difference of characteristic between battery cell so that series-connected cell
The service life of group is considerably shorter than single power battery, in order to improve the service life of battery pack, it is necessary to for battery pack setting electricity
Pressure balancer safeguards the dynamic equalization of each battery cell voltage in charge and discharge process, makes up differing between each battery cell
Cause property.
The excellent performance that electric vehicle can give full play to acceleration and deceleration, startup and braking is close with the reliably working of super capacitor
It is inseparable, it when electric vehicle starts or accelerates, needs to store more energy in super capacitor, ensures adding for electric vehicle
Fast performance；When automobile is in braking or deceleration, fewer energy should be stored, to receive more energy in braking process
Amount, thus the state-of-charge of super capacitor is for the reliability service of electric vehicle, it is extremely important to improve running car performance.
Mixed energy storage system is stabilizing bearing power fluctuation, keeps system power-balance, is risen in stable DC busbar voltage
Important function.In view of power battery energy density is big, the characteristics of super capacitor power density is high, fast response time, mixed
It closes in energy-storage system, the power reasonable distribution between power battery and super capacitor is vital, for reducing system
Chugging is impacted caused by battery, and the service life for extending battery plays an important roll.
In consideration of it, it is necessary to invent a kind of new hybrid energy sources system, effective control strategy, lower cost are used
Should solve the problems, such as dynamic voltage balancing when battery set charge/discharge, also to make super capacitor run on preferable state-of-charge so as to
The work leaned on, it is contemplated that system power distributes and DC bus-bar voltage stablizes two important control targes, it is final realize efficiently, can
The hybrid energy sources system leaned on.
Invention content
The purpose of the present invention is be directed to technical problem present in mixed tensor source electric car, it is proposed that a kind of electronic vapour
Automobile-used hybrid energy sources system and its control strategy.
The technical solution adopted by the present invention is：A kind of hybrid energy sources system for electric vehicle, including hardware circuit and control
Device processed；
The hardware circuit includes：
Battery pack,
Super capacitor group,
It is two-way DC/DC interface circuits one that the battery pack and super capacitor group are connected with DC bus respectively, two-way
DC/DC interface circuits two,
Interface circuit between the battery pack and super capacitor group；
The controller includes interface circuit controller and energy management controller.
The control strategy of above-mentioned hybrid energy sources system for electric vehicle, including：
The interface circuit controller both can obtain each battery cell voltage signal in battery pack according to real-time, generate control
Switching network carries out the equalizer circuit that suitable switching forms battery pack with super capacitor in signal driving interface circuit processed, according to electricity
Pond group charge and discharge Pressure and Control program maintains dynamic equalization of each battery cell voltage in charge and discharge process；It can also obtain in real time
It takes super capacitor SOC signals and is combined with vehicle condition PREDICTIVE CONTROL, generate the DIRECT ENERGY that control signal realizes two class energy storage sources
It exchanges, so that super capacitor is run on preferable state-of-charge, its power regulation ability is given full play to, to effectively improve vehicle
The organic efficiency of power performance and regenerating braking energy；
The energy management controller is made by controlling two-way DC/DC interface circuits one and two-way DC/DC interface circuits two
The variation of bearing power can be timely responded to by obtaining two kinds of energy sources of battery and super capacitor, according to the power of voltage and current double closed-loop
Coordination control strategy, when the frequent violent bearing power of reply fluctuates, accumulator provides the low frequency components of bearing power fluctuation,
Undertake the main force of energy-storage system, super capacitor provides the high fdrequency component in bearing power fluctuation, realize power accumulator with
Reasonable distribution between ultracapacitor, and can stable DC busbar voltage, improve the reliability and economy of system.
Preferably, the battery that the interface circuit controller first allows terminal voltage high by the action of switch is to super capacitor
Charging, then the super capacitor battery cell electric discharge low to terminal voltage, equals two battery cell charging currents by changing
Mean value achievees the purpose that electric voltage equalization；
Pressure and Control flow is when charging：The voltage value for detecting n battery cell, is compared, finds out the maximum of voltage
Value UmaxWith minimum value UMin,It is numbered with the highest battery cell of max record current voltages, by the maximum value U of current voltagemaxWith
The maximum allowable charging voltage value U of settingaIt is compared, if UmaxMore than or equal to setting value Ua, then charging terminates, no
Then, continue to charge, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxAnd UminDifference it is small
In the minimum differntial pressure U of permissiong, then pressure equalizing terminate.Start if starting pressure module 1, max=n if max=1 and presses
Module n-1；Otherwise judge Vmax+1And Vmax-1Size, if Vmax+1>Vmax-1, then start battery cell Bmax-1And BmaxIt is equal
Die block max-1, it is on the contrary then start battery cell BmaxAnd Bmax+1Pressure module max.This process slows down the maximum electricity of voltage
The rate of voltage rise of pond monomer, to which the battery cell voltage rising for keeping other voltages smaller is relatively fast, and voltage is maximum
Battery cell voltage rise it is slower, this pressure equalizing constantly recycles progress, then can complete to connect in charging process well
The dynamic voltage balancing of battery pack, final each battery cell voltage reach unanimity；
Pressure and Control flow is when electric discharge：The voltage value for detecting n battery cell, is compared, finds out the maximum of voltage
Value UmaxWith minimum value Umin, numbered with the minimum battery cell of min record current voltages, by the minimum value U of current voltageminWith
The minimum allowable discharge voltage value U of settingbIt is compared, if UminLess than or equal to setting value Ub, then electric discharge terminates, no
Then, continue to discharge, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxAnd UminDifference it is small
In the minimum differntial pressure U of permissiong, then pressure equalizing terminate.If min=1, start pressure module 1, min=n, which then starts, to press
Module n-1；Otherwise judge Vmin+1And Vmin-1Size, if Vmin+1>Vmin-1, then start battery cell BminAnd Bmin+1It is equal
Die block min, it is on the contrary then start battery cell Bmin-1And BminPressure module min-1, this process slows down the small battery of voltage
The voltage decrease speed of monomer, to which the battery cell voltage decline for keeping other voltages larger is relatively fast, and voltage minimum
The decline of battery cell voltage is slower, this pressure equalizing constantly recycles progress, you can completes series electrical in discharge process well
The dynamic voltage balancing of pond group, final each battery cell voltage reach unanimity.
Preferably, the super capacitor SOC control strategies are：State-of-charge (the SOC of super capacitorsc(t)) represent it and deposit
Reserve of electricity number, according to its numerical values recited can be divided into electric discharge security area (0<SOCsc(t)<SOCscmin), target area
(SOCscmin<SOCsc(t)<SOCscmax) and charging security area (SOCscmax<SOCsc(t)<1) three regions, and control targe is just
It is the SOC of super capacitor to be madesc(t) it is maintained in target area as far as possible in automobilism, effectively plays the power of automobile
Performance and the organic efficiency for improving regenerating braking energy.It is obtained on the following section using advanced technologies such as vehicle GPS, intelligent transportation
Road status messages, and then predict the following stretch line and get on the car the variation of operation conditions.When automobile preaceleration, if
The SOC of super capacitor at this timesc(t) it is less than lower limiting value SOCscmin, then need control power battery by interface circuit to super capacitor
Charging, super capacitor absorb energy, until the SOC of super capacitorsc(t) SOC is risen toscmax, release energy and accelerate for automobile；
When automobile will be braked or slow down, if the SOC of super capacitor at this timesc(t) it is higher than upper limit value SOCscmax, control super capacitor
By interface circuit to power battery charging, super capacitor releases energy, until the SOC of super capacitorsc(t) drop to
SOCscmin, recycle the energy of automobile brake.
Preferably, the power coordination control strategy using voltage and current double closed-loop, including following components：
(6) DC bus-bar voltage control ring；By realizing the stabilization of busbar voltage to the adjusting of DC bus-bar voltage, and obtain
To the reference value of bearing power；
PL_ref=VDC*(IC+IO)
Wherein ICTo pass through the electric current of bus capacitor, VDCAnd VDC_refThe respectively reality and reference value of DC bus-bar voltage,
KPvAnd KIvThe respectively ratio and integral constant of pi regulator used in voltage control loop, PL_refFor the reference value of bearing power, IO
For load current；
(7) bearing power is distributed；Obtained bearing power can be respectively obtained into battery by low-pass first order filter and surpassed
The reference power of grade capacitance；
In formula：S is Laplace operator, and T is time constant filter, PB_ref、PUC_refFor battery and super capacitor power
Reference value；
(8) reference current calculates；Respectively divided by its terminal voltage obtains its reference by the reference power of battery and super capacitor
Electric current is：
In formula：IB_ref、IUC_refThe reference value of battery and super capacitor electric current respectively, VBAnd VUCRespectively battery and super
The voltage of capacitance, IL1_ref、IL2_refRespectively pass through inductance L1、L2The reference value of electric current；
(9) current regulator；In view of the V-I characteristics of inductance element, instantaneous voltage can be generated by the electric current of inductance,
It can be by IL1、IL2Inductance L is obtained as control Variational Design pi regulator1、L2On instantaneous voltage be respectively：
In formula：IL1、IL2Respectively pass through inductance L1、L2Electric current, VL1、VL2Respectively inductance L1、L2The voltage at both ends, KP1、
KI1The ratio and integral constant of pi regulator respectively in battery current control ring；KP2、KI2Respectively super capacitor current control
The ratio and integral constant of pi regulator in ring；
(10) duty ratio calculates；Switching tube IGBT is obtained according to Kirchhoff's second law1And IGBT3Duty ratio difference
For
In formula：DBAnd DUCRespectively switching tube IGBT1And IGBT3Duty ratio；
(11) pwm signal generates；Obtained duty cycle signals are compared with triangle carrier signal, you can obtain two
The control signal of interface circuit.
Advantageous effect：
1) simple voltage balance control method is used in hybrid energy sources system, improves each battery cell in charge and discharge
The speed and precision pressed in the process, are very suitable for electric vehicle energy-storage system.
2) interface circuit of two kinds of energy sources is directly connected in hybrid energy sources system so that the state-of-charge of super capacitor
It can be dynamically adjusted in running car, the power performance of vehicle and the organic efficiency of regenerating braking energy can be effectively improved.
3) the power coordination control strategy of voltage and current double closed-loop used in hybrid energy sources system can reliably ensure
Reasonable distribution of the bearing power between two kinds of energy sources of accumulator and ultracapacitor, and can stable DC busbar voltage,
Improve the reliability and economy of energy-storage system.
Description of the drawings
Fig. 1 is hybrid energy sources system for electric vehicle and its electric operation control circuit figure.
Fig. 2 (a), 2 (b) are that single pressure module presses schematic diagram in charge and discharge in interface circuit (2).
Technology of pressure equalization controls program flow diagram when Fig. 3 (a), 3 (b) are battery set charge/discharge.
Fig. 4 (a), 4 (b) are that two kinds of energy sources carry out energy exchange schematic diagram by interface circuit.
Fig. 5 is super capacitor SOC control principle drawings.
Fig. 6 is energy management control principle drawing.
Fig. 7 (a), 7 (b) are battery voltage equalized waveform figure in charge and discharge process.
Fig. 8 (a), 8 (b) are battery and super capacitor SOC waves during automobile starting (or acceleration) and braking (or deceleration)
Shape figure.
Fig. 9 is the wave of the bearing power of hybrid energy sources system, the power of battery, super capacitor power and DC bus-bar voltage
Shape.
Specific implementation mode
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of hybrid energy sources system for electric vehicle, including hardware circuit and controller；The hardware
Circuit includes：Battery pack, super capacitor group, the battery pack and super capacitor group are connected with DC bus two-way respectively
DC/DC interface circuits 1, two-way DC/DC interface circuits 23, the interface circuit 2 between the battery pack and super capacitor group；
The controller includes interface circuit controller and energy management controller.
The control strategy of above-mentioned hybrid energy sources system for electric vehicle, including：
The interface circuit controller both can obtain each battery cell voltage signal in battery pack according to real-time, generate control
Switching network carries out the equalizer circuit that suitable switching forms battery pack with super capacitor in signal driving interface circuit processed, according to electricity
Pond group charge and discharge Pressure and Control program maintains dynamic equalization of each battery cell voltage in charge and discharge process；It can also obtain in real time
It takes super capacitor SOC signals and is combined with vehicle condition PREDICTIVE CONTROL, generate the DIRECT ENERGY that control signal realizes two class energy storage sources
It exchanges, so that super capacitor is run on preferable state-of-charge, its power regulation ability is given full play to, to effectively improve vehicle
The organic efficiency of power performance and regenerating braking energy；
The energy management controller is made by controlling two-way DC/DC interface circuits one and two-way DC/DC interface circuits two
The variation of bearing power can be timely responded to by obtaining two kinds of energy sources of battery and super capacitor, according to the power of voltage and current double closed-loop
Coordination control strategy, when the frequent violent bearing power of reply fluctuates, accumulator provides the low frequency components of bearing power fluctuation,
Undertake the main force of energy-storage system, super capacitor provides the high fdrequency component in bearing power fluctuation, realize power accumulator with
Reasonable distribution between ultracapacitor, and can stable DC busbar voltage, improve the reliability and economy of system.
The interface circuit controller gives super capacitor charging (state by the battery that the action of switch first allows terminal voltage high
1), the then super capacitor battery cell electric discharge (state 2) low to terminal voltage, by changing to two battery cell charging currents
Average value achieve the purpose that electric voltage equalization.Charge and discharge press schematic diagram respectively as shown in Fig. 2 (a), (b).
Pressure and Control program flow diagram when Fig. 3 (a) is charging detects the voltage value of n battery cell, is compared, looks for
Go out the maximum value U of voltagemaxWith minimum value Umin, numbered with the highest battery cell of max record current voltages, by current voltage
Maximum value UmaxWith the maximum allowable charging voltage value U of settingaIt is compared, if UmaxMore than or equal to setting value Ua, then fill
Electricity terminates, and otherwise, continues to charge, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxWith
UminDifference be less than allow minimum differntial pressure Ug, then pressure equalizing terminate.Start pressure module 1, max=n if max=1
Then start pressure module n-1；Otherwise judge Vmax+1And Vmax-1Size, if Vmax+1>Vmax-1, then start battery cell Bmax-1
And BmaxPressure module max-1, it is on the contrary then start battery cell BmaxAnd Bmax+1Pressure module max.This process slows down electricity
The rate of voltage rise for pressing maximum battery cell, to which the battery cell voltage rising for keeping other voltages smaller is relatively fast,
And the maximum battery cell voltage rising of voltage is slower, this pressure equalizing constantly recycles progress, then can complete to charge well
The dynamic voltage balancing of series battery in the process, final each battery cell voltage reach unanimity.
Pressure and Control program flow diagram when Fig. 3 (b) is electric discharge detects the voltage value of n battery cell, is compared, looks for
Go out the maximum value U of voltagemaxWith minimum value Umin, numbered with the minimum battery cell of min record current voltages, by current voltage
Minimum value UminWith the minimum allowable discharge voltage value U of settingbIt is compared, if UminLess than or equal to setting value Ub, then put
Electricity terminates, and otherwise, continues to discharge, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxWith
UminDifference be less than allow minimum differntial pressure Ug, then pressure equalizing terminate.If min=1, start pressure module 1, min=
N then starts pressure module n-1；Otherwise judge Vmin+1And Vmin-1Size, if Vmin+1>Vmin-1, then start battery cell Bmin
And Bmin+1Pressure module min, it is on the contrary then start battery cell Bmin-1And BminPressure module min-1.This process slows down
The voltage decrease speed of the small battery cell of voltage, to which the battery cell voltage decline for keeping other voltages larger is relatively fast,
And the battery cell voltage decline of voltage minimum is slower, this pressure equalizing constantly recycles progress, you can completes electric discharge well
The dynamic voltage balancing of series battery in the process, final each battery cell voltage reach unanimity.
Fig. 4 is that two kinds of energy sources carry out energy exchange schematic diagram by interface circuit.Wherein Fig. 4 (a) is to super capacitor
Charging process is carried out, energy is transmitted to super capacitor by power battery.Attached drawing 4 (b) is to carry out discharge process, energy to super capacitor
Amount is transmitted to power battery by super capacitor.
Fig. 5 is super capacitor SOC control principle drawings.State-of-charge (the SOC of super capacitorsc(t)) represent its storing electricity
How much, it can be divided into electric discharge security area (0 according to its numerical values recited<SOCsc(t)<SOCscmin), target area (SOCscmin<SOCsc
(t)<SOCscmax) and charging security area (SOCscmax<SOCsc(t)<1) three regions, and control targe seeks to make super capacitor
SOCsc(t) it is maintained in target area as far as possible in automobilism, effectively plays the power performance of automobile and improves regeneration
The organic efficiency of braking energy.The road condition on the following section is obtained using advanced technologies such as vehicle GPS, intelligent transportation to believe
Breath, and then predict the following stretch line and get on the car the variation of operation conditions.When automobile preaceleration, if super capacitor at this time
SOCsc(t) it is less than lower limiting value SOCscmin, then control power battery is needed to charge to super capacitor by interface circuit, super electricity
Hold and absorb energy, until the SOC of super capacitorsc(t) SOC is risen toscmax, release energy and accelerate for automobile；When automobile will be made
Dynamic or deceleration, if the SOC of super capacitor at this timesc(t) it is higher than upper limit value SOCscmax, control super capacitor and pass through interface circuit
To power battery charging, super capacitor releases energy, until the SOC of super capacitorsc(t) drop to SOCscmin, recycle automobile system
Dynamic energy.
Fig. 6 is the energy management control figure of entire hybrid energy sources system.Using the power coordination of voltage and current double closed-loop
Control strategy.Include mainly following components：
(1) DC bus-bar voltage control ring.By realizing the stabilization of busbar voltage to the adjusting of DC bus-bar voltage,
And obtain the reference value of bearing power.
PL_ref=VDC*(IC+IO)
Wherein ICTo pass through the electric current of bus capacitor, VDCAnd VDC_refThe respectively reality and reference value of DC bus-bar voltage,
KPvAnd KIvThe respectively ratio and integral constant of pi regulator used in voltage control loop, PL_refFor the reference value of bearing power, IO
For load current.
(2) bearing power is distributed.Obtained bearing power can be respectively obtained into battery by low-pass first order filter and surpassed
The reference power of grade capacitance.
In formula：S is Laplace operator, and T is time constant filter, PB_ref、PUC_refFor battery and super capacitor power
Reference value.
(3) reference current calculates.Respectively divided by its terminal voltage obtains its reference by the reference power of battery and super capacitor
Electric current is：
In formula：IB_ref、IUC_refThe reference value of battery and super capacitor electric current respectively, VBAnd VUCRespectively battery and super
The voltage of capacitance, IL1_ref、IL2_refRespectively pass through inductance L1、L2The reference value of electric current.
(4) current regulator.In view of the V-I characteristics of inductance element, instantaneous voltage can be generated by the electric current of inductance,
It can be by IL1、IL2Inductance L is obtained as control Variational Design pi regulator1、L2On instantaneous voltage be respectively：
In formula：IL1、IL2Respectively pass through inductance L1、L2Electric current, VL1、VL2Respectively inductance L1、L2The voltage at both ends, KP1、
KI1The ratio and integral constant of pi regulator respectively in battery current control ring.KP2、KI2Respectively super capacitor current control
The ratio and integral constant of pi regulator in ring.
(5) duty ratio calculates.Switching tube IGBT is obtained according to Kirchhoff's second law1And IGBT3Duty ratio be respectively
In formula：DBAnd DUCRespectively switching tube IGBT1And IGBT3Duty ratio.
(6) pwm signal generates.Obtained duty cycle signals are compared with triangle carrier signal, you can obtain two
The control signal of interface circuit.
Fig. 7 is battery unit (number of battery cell is 3) simulation waveform of terminal voltage during charge and discharge.Fig. 7
(a) be battery cell terminal voltage in charging process waveform, the rated voltages of three battery cells of selection be respectively 1.8V,
2V, 2.2V, the terminal voltage of three battery cells finally rises to 2V after stablizing, and phenomenon is overcharged without occurring；Fig. 7 (b) is
The waveform of battery terminal voltage in discharge process, the rated voltages of three battery cells of selection are respectively 3.5V, 3.3V, 3.1V,
The terminal voltage of three battery cells finally drops to 0 after stabilization, does not occur putting.As it can be seen that either charging or electric discharge
Process, effect all highly significants of dynamic voltage balancing.
Fig. 8 show two kinds of energy of power battery and super capacitor in automobile starting or accelerator, braking or moderating process
The SOC in amount source changes oscillogram.The parameter list of element used is as shown in the table, is accelerated (just with current source simulated automotive when emulation
Value) and slow down (negative value) during generation electric current.
Fig. 8 (a) is that the SOC of two kinds of energy sources of power battery and super capacitor in automobile starting or accelerator changes waveform
Figure, the initial SOC value of super capacitor are set as 10%, it is clear that cannot meet the requirement of automobile starting or acceleration, but pass through
In the stage 1 (battery charges to super capacitor), super capacitor has the ability accelerated for automobile, as shown in stage 2；Fig. 8 (b) is vapour
Vehicle brake or moderating process in two kinds of energy sources of power battery and super capacitor SOC change oscillogram, super capacitor it is initial
SOC value is set as 90%, is unfavorable for the absorption of the energy of automobile regenerative braking, but (super capacitor gives battery electricity by the stage 1
Capacity charge), super capacitor has the ability for relatively absorbing feeding braking energy back by force, as shown in stage 2；It was found that between two kinds of energy storage sources
It is exchanged by bidirectional energy, the SOC of super capacitor is maintained to be maintained at target area (50%~80%) in automobilism, ensured
Automobile good accelerating ability and the organic efficiency for improving regenerating braking energy.
Fig. 9 is bearing power, the power of battery, super capacitor power and DC bus-bar voltage oscillogram.The ginseng of element used
Number is as shown in the table, and wherein the cutoff frequency of low-pass filter is 1.5Hz, switching frequency 10kHz.It can be seen that being born for given
Power swing is carried, accumulator and super capacitor are coordinated, and it is reasonable between battery and super capacitor to realize bearing power
Distribution；Accumulator provides the low frequency components of power swing, undertakes the main force of energy-storage system, super capacitor power response speed
Soon, high-frequency fluctuation is provided, the pressure of accumulator is mitigated.When bearing power suddenly change, busbar voltage also will appear fluctuation, by
In the effect of hybrid energy-storing, and immediate stability is in 500V.Thus, whether DC bus-bar voltage can reflect system power in balance
State.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.In the present embodiment not
The available prior art of specific each component part is realized.
Claims (5)
1. a kind of hybrid energy sources system for electric vehicle, it is characterised in that：Including hardware circuit and controller；
The hardware circuit includes：
Battery pack,
Super capacitor group,
Two-way DC/DC interface circuits one, the two-way DC/DC that the battery pack and super capacitor group are connected with DC bus respectively
Interface circuit two,
Interface circuit between the battery pack and super capacitor group；
The controller includes interface circuit controller and energy management controller.
2. the control strategy of hybrid energy sources system for electric vehicle described in claim 1, it is characterised in that：Including：
The interface circuit controller both can obtain each battery cell voltage signal in battery pack according to real-time, generate control letter
Switching network carries out the equalizer circuit that suitable switching forms battery pack with super capacitor in number driving interface circuit, according to battery pack
Charge and discharge Pressure and Control program maintains dynamic equalization of each battery cell voltage in charge and discharge process；It can also obtain in real time super
Grade capacitance SOC signals are simultaneously combined with vehicle condition PREDICTIVE CONTROL, are generated control signal and are realized that the DIRECT ENERGY in two class energy storage sources exchanges,
So that super capacitor is run on preferable state-of-charge, give full play to its power regulation ability, to effectively improve the power of vehicle
The organic efficiency of performance and regenerating braking energy；
The energy management controller is by controlling two-way DC/DC interface circuits one and two-way DC/DC interface circuits two so that electricity
The two kinds of energy sources in pond and super capacitor can timely respond to the variation of bearing power, according to the power coordination of voltage and current double closed-loop
Control strategy, when the frequent violent bearing power of reply fluctuates, accumulator provides the low frequency components of bearing power fluctuation, undertakes
The main force of energy-storage system, super capacitor provide bearing power fluctuation in high fdrequency component, realize power accumulator with it is super
Reasonable distribution between capacitor, and can stable DC busbar voltage, improve the reliability and economy of system.
3. the control strategy of hybrid energy sources system for electric vehicle according to claim 2, it is characterised in that：It is described to connect
Mouth circuit controller is charged by the battery that the action of switch first allows terminal voltage high to super capacitor, then super capacitor opposite end electricity
The battery cell electric discharge forced down, reaches the mesh of electric voltage equalization by changing the average value to two battery cell charging currents
's；
Pressure and Control flow is when charging：The voltage value for detecting n battery cell, is compared, finds out the maximum value U of voltagemax
With minimum value Umin, numbered with the highest battery cell of max record current voltages, by the maximum value U of current voltagemaxWith setting
Maximum allowable charging voltage value UaIt is compared, if UmaxMore than or equal to setting value Ua, then charge and terminate, otherwise, continue
Charging, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxAnd UminDifference be less than allow
Minimum differntial pressure Ug, then pressure equalizing terminate；Start pressure module n- if starting pressure module 1, max=n if max=1
1；Otherwise judge Vmax+1And Vmax-1Size, if Vmax+1>Vmax-1, then start battery cell Bmax-1And BmaxPressure module
Max-1, it is on the contrary then start battery cell BmaxAnd Bmax+1Pressure module max；This process slows down the maximum battery cell of voltage
Rate of voltage rise, it is relatively fast to make the smaller battery cell voltage of other voltages rise, and the maximum battery of voltage
Monomer voltage rising is slower, this pressure equalizing constantly recycles progress, then can complete series battery in charging process well
Dynamic voltage balancing, final each battery cell voltage reaches unanimity；
Pressure and Control flow is when electric discharge：The voltage value for detecting n battery cell, is compared, finds out the maximum value U of voltagemax
With minimum value Umin, numbered with the minimum battery cell of min record current voltages, by the minimum value U of current voltageminWith setting
Minimum allowable discharge voltage value UbIt is compared, if UminLess than or equal to setting value Ub, then discharge and terminate, otherwise, continue
Electric discharge, and by UmaxAnd UminDifference and permission minimum differntial pressure UgIt is compared, if UmaxAnd UminDifference be less than allow
Minimum differntial pressure Ug, then pressure equalizing terminate；If min=1, start pressure module 1, min=n then starts pressure module n-
1；Otherwise judge Vmin+1And Vmin-1Size, if Vmin+1>Vmin-1, then start battery cell BminAnd Bmin+1Pressure module
Min, it is on the contrary then start battery cell Bmin-1And BminPressure module min-1, this process slows down the small battery cell of voltage
Voltage decrease speed, to which the battery cell voltage decline for keeping other voltages larger is relatively fast, and the battery list of voltage minimum
Bulk voltage decline is slower, this pressure equalizing constantly recycles progress, you can completes series battery in discharge process well
Dynamic voltage balancing, final each battery cell voltage reach unanimity.
4. the control strategy of hybrid energy sources system for electric vehicle according to claim 2, it is characterised in that：It is described super
Grade capacitance SOC control strategies be：The SOC of super capacitorsc(t)The number for representing its storing electricity, can divide according to its numerical values recited
For the security area 0 that discharges<SOCsc(t)<SOCscmin, target area SOCscmin<SOCsc(t)<SOCscmaxWith charging security area
SOCscmax<SOCsc(t)<1 three regions, and control targe seeks to the SOC for making super capacitorsc(t) to the greatest extent may be used in automobilism
It can be maintained in target area, effectively play the power performance of automobile and improve the organic efficiency of regenerating braking energy；Utilize vehicle
The road status messages on the following section of the advanced technologies such as GPS, intelligent transportation acquisition are carried, and then are predicted on the following stretch line
The variation of automobile operating state；When automobile preaceleration, if the SOC of super capacitor at this timesc(t) it is less than lower limiting value SOCscmin,
Control power battery is then needed to charge to super capacitor by interface circuit, super capacitor absorbs energy, until super capacitor
SOCsc(t) SOC is risen toscmax, release energy and accelerate for automobile；When automobile will be braked or slow down, if super capacitor at this time
SOCsc(t) it is higher than upper limit value SOCscmax, control super capacitor by interface circuit to power battery charging, release by super capacitor
Exoergic amount, until the SOC of super capacitorsc(t) drop to SOCscmin, recycle the energy of automobile brake.
5. the control strategy of hybrid energy sources system for electric vehicle according to claim 2, it is characterised in that：It is described to adopt
With the power coordination control strategy of voltage and current double closed-loop, including following components：
(1) DC bus-bar voltage control ring；By realizing the stabilization of busbar voltage to the adjusting of DC bus-bar voltage, and born
Carry the reference value of power；
PL_ref=VDC*(IC+IO)
Wherein ICTo pass through the electric current of bus capacitor, VDCAnd VDC_refThe respectively reality and reference value of DC bus-bar voltage, KPvWith
KIvThe respectively ratio and integral constant of pi regulator used in voltage control loop, PL_refFor the reference value of bearing power, IOIt is negative
Carry electric current；
(2) bearing power is distributed；Obtained bearing power can be respectively obtained into battery and super electricity by low-pass first order filter
The reference power of appearance；
In formula：S is Laplace operator, and T is time constant filter, PB_ref、PUC_refFor the reference of battery and super capacitor power
Value；
(3) reference current calculates；Respectively divided by its terminal voltage obtains its reference current by the reference power of battery and super capacitor
For：
In formula：IB_ref、IUC_refThe reference value of battery and super capacitor electric current respectively, VBAnd VUCRespectively battery and super capacitor
Voltage, IL1_ref、IL2_refRespectively pass through inductance L1、L2The reference value of electric current；
(4) current regulator；In view of the V-I characteristics of inductance element, instantaneous voltage can be generated by the electric current of inductance, it will
IL1、IL2Inductance L is obtained as control Variational Design pi regulator1、L2On instantaneous voltage be respectively：
In formula：IL1、IL2Respectively pass through inductance L1、L2Electric current, VL1、VL2Respectively inductance L1、L2The voltage at both ends, KP1、KI1Point
Not Wei in battery current control ring pi regulator ratio and integral constant；KP2、KI2Respectively in super capacitor current regulator
The ratio and integral constant of pi regulator；
(5) duty ratio calculates；Switching tube IGBT is obtained according to Kirchhoff's second law1And IGBT3Duty ratio be respectively
In formula：DBAnd DUCRespectively switching tube IGBT1And IGBT3Duty ratio；
Pwm signal generates；Obtained duty cycle signals are compared with triangle carrier signal to get to two interface circuits
Control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442005.8A CN108512239B (en) | 2018-05-10 | 2018-05-10 | Hybrid energy source system for electric vehicle and control strategy thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442005.8A CN108512239B (en) | 2018-05-10 | 2018-05-10 | Hybrid energy source system for electric vehicle and control strategy thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108512239A true CN108512239A (en) | 2018-09-07 |
| CN108512239B CN108512239B (en) | 2021-04-20 |
Family
ID=63400384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442005.8A Active CN108512239B (en) | 2018-05-10 | 2018-05-10 | Hybrid energy source system for electric vehicle and control strategy thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108512239B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217433A (en) * | 2018-11-07 | 2019-01-15 | 武汉理工大学 | Vehicle-mounted retired power battery grouping active equalization system and method |
| CN109586389A (en) * | 2018-10-31 | 2019-04-05 | 北京北交新能科技有限公司 | A kind of vehicle-mounted mixed energy storage system energy control strategy |
| CN109606202A (en) * | 2019-01-07 | 2019-04-12 | 郑州轻工业学院 | Power battery control method and device |
| CN109739107A (en) * | 2018-12-18 | 2019-05-10 | 西北工业大学 | A kind of power buffer design method based on Model Predictive Control |
| CN109849693A (en) * | 2019-03-11 | 2019-06-07 | 中南大学 | A kind of electric car energy mix management system and its control method based on adaptive wavelet conversion |
| CN109921504A (en) * | 2019-04-03 | 2019-06-21 | 湖南工程学院 | Vehicle-mounted mixed energy storage system and its non linear robust adaptive power control method |
| CN110518608A (en) * | 2019-07-08 | 2019-11-29 | 华北电力大学（保定） | Isolated island microgrid energy control method based on hybrid energy-storing and electric automobile charging station |
| CN111181236A (en) * | 2020-01-08 | 2020-05-19 | 天津大学 | Multi-source system split-mode operation control method based on super-capacitor voltage range |
| CN111976538A (en) * | 2019-12-27 | 2020-11-24 | 中北大学 | Equalizing structure and equalizing method of vehicle-mounted composite power supply system |
| US20210408807A1 (en) * | 2020-06-30 | 2021-12-30 | Avx Corporation | System and Method for Balancing Ultracapacitors |
| CN114567027A (en) * | 2020-11-27 | 2022-05-31 | 厦门雅迅网络股份有限公司 | Power battery pack equalization method based on terrain prediction |
| WO2022110849A1 (en) * | 2020-11-27 | 2022-06-02 | 厦门雅迅网络股份有限公司 | Curve prediction-based electric vehicle energy management method, terminal device, and storage medium |
| TWI797921B (en) * | 2021-12-28 | 2023-04-01 | 國家中山科學研究院 | Control method of electric vehicle hybrid electric power supply system |
| CN116488312A (en) * | 2023-06-25 | 2023-07-25 | 江西五十铃汽车有限公司 | Battery power management method, system, computer and readable storage medium |
| CN117634748A (en) * | 2024-01-25 | 2024-03-01 | 中国环境科学研究院 | Energy system multi-objective optimization method based on pollution reduction and carbon reduction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672763A1 (en) * | 2004-12-07 | 2006-06-21 | Luxon Energy Devices Corporation | Power supply apparatus and power supply method using reciprocally switching of the polarity connection |
| CN102529735A (en) * | 2010-12-14 | 2012-07-04 | 财团法人工业技术研究院 | Electric vehicle electric energy system and operation method thereof |
| CN102832661A (en) * | 2012-08-06 | 2012-12-19 | 东南大学 | Novel dynamic voltage sharing device for serially connected super capacitor bank |
| CN104283298A (en) * | 2014-09-28 | 2015-01-14 | 新疆希望电子有限公司 | Storage battery and super-capacitor hybrid energy storage charging and discharging current control method |
| CN204674395U (en) * | 2015-04-23 | 2015-09-30 | 重庆工商职业学院 | Based on the dual energy source electric car energy management system of predictive control |
| EP3224927B1 (en) * | 2014-11-28 | 2019-08-28 | Hitachi Rail Italy S.p.A. | Auxiliary system of power supply and energy harvesting for an electric vehicle, and method for operating the auxiliary system of power supply and energy harvesting |
-
2018
- 2018-05-10 CN CN201810442005.8A patent/CN108512239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1672763A1 (en) * | 2004-12-07 | 2006-06-21 | Luxon Energy Devices Corporation | Power supply apparatus and power supply method using reciprocally switching of the polarity connection |
| CN102529735A (en) * | 2010-12-14 | 2012-07-04 | 财团法人工业技术研究院 | Electric vehicle electric energy system and operation method thereof |
| CN102832661A (en) * | 2012-08-06 | 2012-12-19 | 东南大学 | Novel dynamic voltage sharing device for serially connected super capacitor bank |
| CN104283298A (en) * | 2014-09-28 | 2015-01-14 | 新疆希望电子有限公司 | Storage battery and super-capacitor hybrid energy storage charging and discharging current control method |
| EP3224927B1 (en) * | 2014-11-28 | 2019-08-28 | Hitachi Rail Italy S.p.A. | Auxiliary system of power supply and energy harvesting for an electric vehicle, and method for operating the auxiliary system of power supply and energy harvesting |
| CN204674395U (en) * | 2015-04-23 | 2015-09-30 | 重庆工商职业学院 | Based on the dual energy source electric car energy management system of predictive control |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586389A (en) * | 2018-10-31 | 2019-04-05 | 北京北交新能科技有限公司 | A kind of vehicle-mounted mixed energy storage system energy control strategy |
| CN109217433B (en) * | 2018-11-07 | 2022-03-11 | 武汉理工大学 | Vehicle-mounted retired power battery grouping active equalization system and method |
| CN109217433A (en) * | 2018-11-07 | 2019-01-15 | 武汉理工大学 | Vehicle-mounted retired power battery grouping active equalization system and method |
| CN109739107A (en) * | 2018-12-18 | 2019-05-10 | 西北工业大学 | A kind of power buffer design method based on Model Predictive Control |
| CN109739107B (en) * | 2018-12-18 | 2022-03-18 | 西北工业大学 | Power buffer design method based on model predictive control |
| CN109606202A (en) * | 2019-01-07 | 2019-04-12 | 郑州轻工业学院 | Power battery control method and device |
| CN109606202B (en) * | 2019-01-07 | 2024-01-26 | 郑州轻工业学院 | Power battery control method and device |
| CN109849693A (en) * | 2019-03-11 | 2019-06-07 | 中南大学 | A kind of electric car energy mix management system and its control method based on adaptive wavelet conversion |
| CN109921504A (en) * | 2019-04-03 | 2019-06-21 | 湖南工程学院 | Vehicle-mounted mixed energy storage system and its non linear robust adaptive power control method |
| CN110518608A (en) * | 2019-07-08 | 2019-11-29 | 华北电力大学（保定） | Isolated island microgrid energy control method based on hybrid energy-storing and electric automobile charging station |
| CN111976538B (en) * | 2019-12-27 | 2022-09-20 | 中北大学 | Equalizing structure and equalizing method of vehicle-mounted composite power supply system |
| CN111976538A (en) * | 2019-12-27 | 2020-11-24 | 中北大学 | Equalizing structure and equalizing method of vehicle-mounted composite power supply system |
| CN111181236A (en) * | 2020-01-08 | 2020-05-19 | 天津大学 | Multi-source system split-mode operation control method based on super-capacitor voltage range |
| US20210408807A1 (en) * | 2020-06-30 | 2021-12-30 | Avx Corporation | System and Method for Balancing Ultracapacitors |
| CN114567027A (en) * | 2020-11-27 | 2022-05-31 | 厦门雅迅网络股份有限公司 | Power battery pack equalization method based on terrain prediction |
| WO2022110850A1 (en) * | 2020-11-27 | 2022-06-02 | 厦门雅迅网络股份有限公司 | Terrain prediction-based power battery pack equalization method |
| WO2022110849A1 (en) * | 2020-11-27 | 2022-06-02 | 厦门雅迅网络股份有限公司 | Curve prediction-based electric vehicle energy management method, terminal device, and storage medium |
| TWI797921B (en) * | 2021-12-28 | 2023-04-01 | 國家中山科學研究院 | Control method of electric vehicle hybrid electric power supply system |
| CN116488312A (en) * | 2023-06-25 | 2023-07-25 | 江西五十铃汽车有限公司 | Battery power management method, system, computer and readable storage medium |
| CN116488312B (en) * | 2023-06-25 | 2023-09-22 | 江西五十铃汽车有限公司 | Battery power management method, system, computer and readable storage medium |
| CN117634748A (en) * | 2024-01-25 | 2024-03-01 | 中国环境科学研究院 | Energy system multi-objective optimization method based on pollution reduction and carbon reduction |
| CN117634748B (en) * | 2024-01-25 | 2024-04-30 | 中国环境科学研究院 | Energy system multi-objective optimization method based on pollution reduction and carbon reduction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108512239B (en) | 2021-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108512239A (en) | A kind of hybrid energy sources system for electric vehicle and its control strategy | |
| Qin et al. | Energy transfer strategy for urban rail transit battery energy storage system to reduce peak power of traction substation | |
| CN101291005B (en) | Energy management system of externally charging typed hybrid power vehicle | |
| CN201312133Y (en) | Charging device, energy-storing device and charging station | |
| CN201914107U (en) | Hybrid electric vehicle control system based on super capacitor | |
| CN106696721A (en) | Double-source energy system of battery electric vehicle, power supply control method, fast charging method and slow charging method | |
| CN209111978U (en) | A kind of energy distribution control system of fuel cell car hybrid power | |
| Wong et al. | A parallel energy-sharing control for fuel cell-battery-ultracapacitor hybrid vehicle | |
| CN104608649B (en) | Integrated electric energy of electric automobile transformation system | |
| CN106080223A (en) | Lithium battery and super capacitor dual-energy power distribution control system and method | |
| CN102069721A (en) | Super capacitor-based electric automobile hybrid power control system | |
| CN103171452A (en) | Dual-power supply management system and dual-power supply management method for electric vehicle | |
| CN108879730A (en) | Mixed energy storage system and based on its wind power fluctuation stabilize method | |
| CN106655440A (en) | Two-stage series supercapacitor and storage battery hybrid energy-storage system, and energy absorbing and releasing method | |
| CN205686199U (en) | The composite power source of power-type and accumulation energy type lithium electricity composition and electric automobile composite power source | |
| CN102653243A (en) | Electric automobile dynamical system with precharge circuit and control strategy | |
| CN103872729B (en) | The hybrid electric vehicle composite power source that sef-adapting filter power dividing controls and method | |
| CN100548736C (en) | Battery-driven car energy recovery control circuit and the car chassis that constitutes by this circuit | |
| CN204526865U (en) | Based on the dual energy source electric car energy management system of fuzzy control | |
| CN102611203A (en) | Efficient composite energy storage system for vehicles | |
| CN105644377A (en) | Dual-energy source electric vehicle | |
| CN206202005U (en) | A kind of dynamical system for pure electric vehicle | |
| CN206242935U (en) | Pure electric automobile double source energy system | |
| Wang et al. | Hybrid energy management strategy based on dynamic setting and coordinated control for urban rail train with PMSM | |
| Zhuge et al. | Development of a hybrid energy storage system (HESS) for electric and hybrid electric vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |