CN109435978A - A kind of electric hybrid vehicle energy management control system and control method - Google Patents
A kind of electric hybrid vehicle energy management control system and control method Download PDFInfo
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- CN109435978A CN109435978A CN201811336772.7A CN201811336772A CN109435978A CN 109435978 A CN109435978 A CN 109435978A CN 201811336772 A CN201811336772 A CN 201811336772A CN 109435978 A CN109435978 A CN 109435978A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
- B61C7/04—Locomotives or motor railcars with two or more different kinds or types of engines, e.g. steam and IC engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/12—Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
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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
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a kind of electric hybrid vehicle energy management control systems, it include: oil-fired power generating unit, traction convertor, power battery and traction electric machine, the traction convertor includes: AC/DC module, DC/AC electronic switch, Support Capacitor and DCU controller, the oil-fired power generating unit passes sequentially through AC/DC module and DC/AC electronic switch is connect with traction electric machine and ancillary equipment, the oil-fired power generating unit is controlled by excitation drive module, the power battery is connect with AC/DC module and DC/AC electronic switch respectively, the power battery both ends are in parallel with Support Capacitor, the power battery both ends are parallel with braking resistor, shorten the oil-burning machine working time substantially, and operate mainly in rated power or Economic moving region, both the traction for being able to satisfy locomotive needs It wants, and oil consumption can be greatly reduced and with cost, the discharge of reduction exhaust gas, reduction noise, achieve the purpose that energy conservation, emission reduction, noise reduction.
Description
Technical field
The present invention relates to field of locomotive control, more particularly to a kind of electric hybrid vehicle energy management control system
And control method.
Background technique
Electric hybrid vehicle energy management control method is varied both at home and abroad at present, and some is as dual power source point
It is not provided separately and provides energy for locomotive and controlled；Then simple mixing is controlled some.These control methods all cannot
The saving energy is effectively achieved, locomotive operation cost is reduced, reduces the purpose of discharge.The energy management control method energy of this patent
It is effectively saved the energy, reduces locomotive operation cost, reduces discharge.
Summary of the invention
It is an object of the invention to: overcome the above-mentioned problems in the prior art, proposes a kind of oil electric mixed dynamic machine
Vehicle energy management control system and control method shorten the oil-burning machine working time substantially, and operate mainly in rated power
Or Economic moving region, the traction needs of locomotive be not only able to satisfy, but also oil consumption can be greatly reduced and discharged with cost, reduction exhaust gas,
Noise is reduced, achievees the purpose that energy conservation, emission reduction, noise reduction.
The purpose of the present invention is realized by following technical proposals:
A kind of electric hybrid vehicle energy management control system, comprising: oil-fired power generating unit, is moved traction convertor
Power battery and traction electric machine, the traction convertor include: AC/DC module, DC/AC electronic switch, Support Capacitor and DCU control
Device, the oil-fired power generating unit passes sequentially through AC/DC module and DC/AC electronic switch is connect with traction electric machine and ancillary equipment,
The oil-fired power generating unit is controlled by excitation drive module, and the power battery is electric with AC/DC module and DC/AC respectively
Sub switch connection, the power battery both ends are in parallel with Support Capacitor, and the power battery both ends are parallel with braking resistor.
A kind of electric hybrid vehicle energy management control system of the invention, the oil-fired power generating unit and AC/DC
It is provided with switch one before module, the power battery and braking resistor output end are respectively arranged with switch two and switch three.
A kind of electric hybrid vehicle energy management control system of the invention, the power battery pass through power battery
Management system is managed, and the power battery management system is connect by DCU controller with DC/AC electronic switch.
A kind of electric hybrid vehicle energy management control system of the invention, the power battery management system and is encouraged
Magnetic driving module is controlled by locomotive microcomputer.
A kind of electric hybrid vehicle energy management control system of the invention is connected with electric sky in the locomotive microcomputer
Controller.
A kind of electric hybrid vehicle energy management control system of the invention, the DCU controller, power battery pipe
Reason system, locomotive microcomputer and the empty controller of electricity all have wireless module and realize data transmission by wireless network.
A kind of electric hybrid vehicle energy management control method: the different operating conditions of locomotive are identified, to match difference
Energy supply mode, specifically include the following contents:
Cognitron turner condition is shunt towage operating condition or main line towage operating condition；
When in shunt towage operating condition when, when power battery SOC be greater than or equal to the second electricity threshold values and locomotive
It is ancillary equipment power supply by power battery when being waited to shut down；
When in shunt towage operating condition when, when power battery SOC be greater than or equal to the first electricity threshold values and be less than
Second electricity threshold values and locomotive shutdown is when awaiting orders, starting oil-fired power generating unit are that ancillary equipment is powered, and are power battery charging,
When SOC is greater than or equal to third electricity threshold values, oil-fired power generating unit is shut down；
When in shunt towage operating condition when, when power battery SOC be greater than or equal to the second electricity threshold values and locomotive
Traction load is less than or equal to the first traction power of locomotive threshold values, is ancillary equipment by power battery and drives traction electric machine work
Make；
When in shunt towage operating condition when, when power battery SOC be greater than or equal to the first electricity threshold values and be less than
Second electricity threshold values, and power required for locomotive traction load is less than or equal to the first traction power of locomotive threshold values, starting combustion
Oily generating set is ancillary equipment, and traction electric machine is driven to work, and is power battery charging；
When in shunt towage operating condition when, the power required for locomotive traction load be greater than locomotive first draw function
Rate threshold values, starting oil-fired power generating unit are that traction electric machine is powered together with power battery, during this, gradually reduce power battery
Power output is power electric by oil-fired power generating unit when oil-fired power generating unit power is greater than the input power of traction electric machine
Pond charging；
When locomotive is braked, traction electric machine carries out generating operation mode, and extra electricity fills power battery charging
Electricity, and power for ancillary equipment；
When being in main line towage operating condition, and it is defeated by rated power to start oil-fired power generating unit when awaiting orders for locomotive shutdown
It is out or using ground power supply power battery charging, the SOC of power battery is made to be greater than or equal to third electricity threshold values；
When being in main line towage operating condition, and locomotive, in distraction procedure, the output power of oil-fired power generating unit is less than
When the output power of traction electric machine, power battery is traction electric machine supplementary power；
When being in main line towage operating condition, and locomotive is in braking process, and control traction electric machine is in generating operation mode, is
Power battery charging, and power for ancillary equipment；
When being in main line towage operating condition, and locomotive is in braking process, when being in long steep grade descending operating condition,
Control traction electric machine is in generating operation mode, is power battery charging, and power for ancillary equipment, and starting braking resistor is thrown in due course
Enter.
A kind of electric hybrid vehicle energy management control method of the invention, the first electricity threshold values be 10% or
20%, the second electricity threshold values is 30% or 40%, and the third electricity threshold values is 80% or 90%.
A kind of electric hybrid vehicle energy management control method of the invention, the first traction power threshold values are to lead
Draw the 50% of current transformer intermediate DC link gross output.
According to the above technical scheme, the beneficial effects of the present invention are: proposing a kind of electric hybrid vehicle energy management
Control system and control method, locomotive shunt traction working condition operation when, locomotive preferentially select power accumulator provide power:
Locomotive parking await orders and draw in Smaller load when, driven by power battery, diesel engine stop.If locomotive is drawing medium and small negative
When lotus operation, when power battery off-capacity needs to start oil-fired power generating unit traction, then oil-fired power generating unit starts simultaneously automatically
And work in high-efficiency and economic area, power on the one hand is provided for locomotive traction and auxiliary system, while excess energy is power battery
Charging, when charging reaches the highest capacity value of power accumulator setting, oil-fired power generating unit is automatically stopped work.When locomotive carries out
When big load hauling operation, oil-fired power generating unit starts automatically and exports rated power, if what oil-fired power generating unit provided
Energy is able to satisfy locomotive traction and auxiliary system needs energy, then power accumulator exits；What if oil-fired power generating unit provided
Energy is not met by locomotive traction and auxiliary system needs energy, then power accumulator supplements；If oil-fired power generating unit mentions
The energy of confession is greater than locomotive traction and auxiliary system needs energy, then dump energy is power accumulator charging.When locomotive brake,
Regenerated dynamic braking is preferentially used, so that locomotive brake energy power accumulator is charged, is stored in power accumulator and carries out
It recycles, while during regenerated dynamic braking, locomotive brake energy also provides energy for all auxiliary systems.
It is preferably that locomotive traction and auxiliary system mention using oil-fired power generating unit when locomotive carries out the operation of main line traction working condition
For energy: when Smaller load in traction, oil-fired power generating unit provides energy for locomotive traction and auxiliary system, and rich power is
The charging of power battery.When drawing big load, oil-fired power generating unit exports rated power, and power accumulator supplemental capacity is jointly full
Energy needed for sufficient locomotive traction and auxiliary system.When locomotive brake, regenerated dynamic braking is preferentially used, locomotive brake energy is made
For power accumulator charging, it is stored in power accumulator and is recycled, while during regenerated dynamic braking, locomotive
Braking energy also provides energy for all auxiliary systems.Only when power accumulator fast charge meets electricity, dynamic braking force is not
It being able to satisfy when requiring, locomotive traction converter system gradually puts into braking resistor automatically, and locomotive dynamic braking power is remained unchanged, with
Meet locomotive brake needs, so that the oil-burning machine working time be made substantially to shorten, and operates mainly in rated power or economic fortune
Row area, had not only been able to satisfy the traction needs of locomotive, but also oil consumption can be greatly reduced and discharge with cost, reduction exhaust gas, reduce noise,
Achieve the purpose that energy conservation, emission reduction, noise reduction.
Detailed description of the invention
Fig. 1 is a kind of electric hybrid vehicle energy management control system schematic diagram of the present invention.
Specific embodiment
The present invention is further illustrated with attached drawing combined with specific embodiments below.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
If Fig. 1 is a kind of embodiment of electric hybrid vehicle energy management control system and control method of the present invention,
A kind of electric hybrid vehicle energy management control system, comprising: oil-fired power generating unit 1, traction convertor 4, power battery 7
With traction electric machine 4, the traction convertor includes: AC/DC module 21, DC/AC electronic switch 23, Support Capacitor 24 and DCU control
Device 22 processed, the oil-fired power generating unit 1 pass sequentially through AC/DC module 21 and DC/AC electronic switch 23 and traction electric machine 4 and auxiliary
Help equipment 3 to connect, the oil-fired power generating unit 1 is controlled by excitation drive module 10, the power battery 7 respectively with
AC/DC module 21 and DC/AC electronic switch 23 connect, and 7 both ends of power battery are in parallel with Support Capacitor 24, the power
7 both ends of battery are parallel with braking resistor 8, are provided with switch 1, institute before the oil-fired power generating unit 1 and AC/DC module 21
It states power battery 7 and 8 output end of braking resistor is respectively arranged with switch 2 12 and switch 3 13, the power battery 7 passes through dynamic
Power battery management system 6 is managed, and the power battery management system 6 passes through DCU controller 22 and DC/AC electronic switch two
3 connections, the power battery management system 6 and excitation drive module 10 are controlled by locomotive microcomputer 5, the locomotive microcomputer
Electric empty controller 9, the DCU controller 22, power battery management system 6, locomotive microcomputer 5 and the empty controller 9 of electricity are connected on 5
It all has wireless module and data transmission is realized by wireless network.
A kind of electric hybrid vehicle energy management control method: it is characterized in that, the different operating conditions of identification locomotive, from
And different energy supply modes is matched, specifically include the following contents:
Cognitron turner condition is shunt towage operating condition or main line towage operating condition；
When in shunt towage operating condition when, when power battery 7 SOC be greater than or equal to the second electricity threshold values and locomotive
It is the power supply of ancillary equipment 3 by power battery 7 when being waited to shut down；
When in shunt towage operating condition when, when power battery 7 SOC be greater than or equal to the first electricity threshold values and be less than
Second electricity threshold values and locomotive shutdown is when awaiting orders, starting oil-fired power generating unit 1 is that ancillary equipment 3 is powered；
When in shunt towage operating condition when, when power battery 7 SOC be greater than or equal to the second electricity threshold values and locomotive
Traction load is less than or equal to the first traction power of locomotive threshold values, is ancillary equipment 3 by power battery 7 and drives traction electric machine
4 work；
When in shunt towage operating condition when, when power battery 7 SOC be greater than or equal to the first electricity threshold values and be less than
Second electricity threshold values, and power required for locomotive traction load is less than or equal to the first traction power of locomotive threshold values, starting combustion
Oily generating set 1 is ancillary equipment 3, and traction electric machine 4 is driven to work, and is charged for power battery 7；
When in shunt towage operating condition when, the power required for locomotive traction load be greater than locomotive first draw function
Rate threshold values, starting oil-fired power generating unit 1 are that traction electric machine 4 is powered together with power battery 7, during this, gradually reduce power electric
The power output in pond 7 passes through oil-fired power generating unit 1 when 1 power of oil-fired power generating unit is greater than the input power of traction electric machine 4
For the charging of power battery 7；
When locomotive is braked, traction electric machine 4 carries out generating operation mode, and extra electricity charges to power battery 7 and carries out
Charging, and power for ancillary equipment 3；
When being in main line towage operating condition, and it is defeated by rated power to start oil-fired power generating unit 1 when awaiting orders for locomotive shutdown
It is out or using ground power supply power battery charging, the SOC of power battery 7 is made to be greater than or equal to third electricity threshold values；
When being in main line towage operating condition, and locomotive, in distraction procedure, the output power of oil-fired power generating unit 1 is less than
When the output power of traction electric machine 4, power battery 7 is 4 supplementary power of traction electric machine；
When being in main line towage operating condition, and locomotive is in braking process, and control traction electric machine 4 is in generating operation mode,
It charges for power battery 7, and powers for ancillary equipment 3；
When being in main line towage operating condition, and locomotive is in braking process, when being in long steep grade descending operating condition,
Control traction electric machine 4 is in generating operation mode, charges for power battery 7, and powers for ancillary equipment 3, and the electricity of starting braking in due course
8 investment of resistance, the first electricity threshold values are 10% or 20%, and the second electricity threshold values is 30% or 40%, and described first leads
Draw 50% that power threshold is traction convertor intermediate DC link gross output.
The control method of the energy management control system are as follows:
(1) locomotive carries out towage operating condition of shunting:
A) when the SOC of power battery is greater than or equal to the second electricity threshold values (for example SOC is 30% or 40% etc.) and locomotive
When shutdown is awaited orders, locomotive only provides power supply by power battery at this time, i.e. oil-fired power generating unit 1 is shut down, switch 1 and switch three
13 disconnect, and switch 2 12 is closed, power battery investment, the positive and negative electrode of power battery and the intermediate DC link of traction convertor 2
The positive and negative electrode of Support Capacitor 24 is in parallel, the one group of DC/AC electronic switch (group powered in traction convertor 2 to ancillary equipment 3
Electronic switch is not limited to be mounted in traction convertor 2) electric energy that provides power battery is converted into locomotive ancillary equipment 3 and needs
Power supply, for the power supply of locomotive ancillary equipment 3 such as locomotive control, air compressor machine and air-conditioning equipment, to guarantee that locomotive assists
Equipment 3 works normally.
B) it is less than when the SOC of power battery is greater than or equal to the first electricity threshold values (for example SOC is 10% or 20% etc.)
Second electricity threshold values (such as SOC be 30% or 40% etc.) and when locomotive shutdown is awaited orders, power battery management system 6 passes through network
Power battery SOC value is transferred to locomotive microcomputer 5,5 control switch 1 of locomotive microcomputer closure by communication, and automatically controls diesel engine
It starts, main generator excitation is controlled by excitation drive module 10, control oil-fired power generating unit 1 is by optimal economic mode or most preferably
Discharge mode output power, by AC/DC rectifies transmission to 2 intermediate DC link Support Capacitor of traction convertor, 24 both ends, one
To one group of DC/AC electronic switch of the power supply of ancillary equipment 3, (this group of electronic switch is not limited to be mounted in aspect traction convertor 2
In traction convertor 2) by the electric energy that oil-fired power generating unit 1 provides the power supply that locomotive ancillary equipment 3 needs is converted, it is auxiliary for locomotive
The power supply of equipment 3 such as locomotive control, air compressor machine and air-conditioning equipment is helped, to guarantee that locomotive ancillary equipment 3 works normally.Together
When locomotive microcomputer 5 to DUC controller 22 issue instruction, be power battery charging by 22 control switch 2 12 of DUC controller, when dynamic
When the SOC of power battery is greater than or equal to third electricity threshold values (for example SOC is 80%, 85% or 90% etc.), 5 basis of locomotive microcomputer
The power battery SOC value that power battery management system 6 provides makes main generator excitation electric current drop within the short time (such as 20 seconds)
It is zero, then makes diesel engine stop, simultaneously switches off switch 1.
C) when the SOC of power battery is greater than or equal to the second electricity threshold values (for example SOC is 30% or 40% etc.) and locomotive
Traction load is less than or equal to the first traction power of locomotive threshold values, and (for example 2 intermediate DC link of Locomotive Converter always exports
The 50% of power) when, locomotive only provides power supply by power battery at this time, i.e. oil-fired power generating unit 1 is shut down, switch 1 and switch
3 13 disconnect, and switch 2 12 is closed, power battery investment, the positive and negative electrode of power battery and the intermediate dc ring of traction convertor 2
The positive and negative electrode for saving Support Capacitor 24 is in parallel, the one group of DC/AC electronic cutting powered in one side traction convertor 2 to ancillary equipment 3
The electric energy that pass (this group of electronic switch is not limited to be mounted in traction convertor 2) provides power battery is converted into locomotive auxiliary and sets
Standby 3 power supplys needed, for locomotive ancillary equipment 3 such as locomotive control, air compressor machine equipment power supply, to guarantee that locomotive auxiliary is set
Standby 3 work normally.The DC/AC electronic switch powered in another aspect traction convertor 2 to traction electric machine 4 provides power battery
Electric energy be converted into power supply required for locomotive traction motor 4, provide energy for traction electric machine 4, drive locomotive operation.
D) it is less than when the SOC of power battery is greater than or equal to the first electricity threshold values (for example SOC is 10% or 20% etc.)
Power required for second electricity threshold values (such as SOC be 30% or 40% etc.) and locomotive traction load is less than or equal to locomotive the
When one traction power threshold values (such as 50% of 2 intermediate DC link gross output of Locomotive Converter), locomotive microcomputer 5
It is closed according to the power battery SOC value control switch 1 that power battery management system 6 provides, and automatically controls diesel engine starting,
Main generator excitation is controlled by excitation drive module 10, control oil-fired power generating unit 1 presses optimal economic mode or optimum discharge
Mode output power, by AC/DC rectifies transmission to 2 intermediate DC link Support Capacitor of traction convertor, 24 both ends, on the one hand
To one group of DC/AC electronic switch of the power supply of ancillary equipment 3, (this group of electronic switch is not limited to be mounted on traction in traction convertor 2
In current transformer 2) by the electric energy that oil-fired power generating unit 1 provides the power supply that locomotive ancillary equipment 3 needs is converted, it is set for locomotive auxiliary
Standby 3 such as locomotive controls, air compressor machine and air-conditioning equipment power supply, to guarantee that locomotive ancillary equipment 3 works normally.On the other hand
The electric energy that oil-fired power generating unit 1 provides is converted into machine by the DC/AC electronic switch powered in traction convertor 2 to traction electric machine 4
Power supply required for vehicle traction electric machine 4 provides energy for traction electric machine 4, drives locomotive operation.If oil-fired power generating unit at this time
1 power provided is greater than power required for locomotive traction load, then the dump power of oil-fired power generating unit 1 is by DUC controller
22 control switches 2 12 are power battery charging；The power that oil-fired power generating unit 1 provides at this time is less than or equal to locomotive traction function
Rate, then locomotive microcomputer 5 controls oil-fired power generating unit 1 and exports rated power for locomotive use, 22 control switch two of DUC controller
12, so that power battery is stopped output power.
E) power required for locomotive traction load is greater than the first traction power of locomotive threshold values (such as locomotive traction unsteady flow
The 50% of 2 intermediate DC link gross output of device) when, 22 control switch 2 12 of DUC controller closure, and control power battery
It is output to 2 direct current intermediate link of traction convertor by peak power output, by what is powered in traction convertor 2 to traction electric machine 4
The electric energy that power battery provides is converted into power supply required for locomotive traction motor 4 by DC/AC electronic switch, is traction electric machine 4
Energy is provided, locomotive operation is driven.Locomotive microcomputer 5 controls diesel engine and plays machine automatically simultaneously, and control switch 1 is closed, then is controlled
Oil-fired power generating unit 1 processed is exported by rated power, is output to the support of 2 direct current intermediate link of traction convertor by AC/DC rectification
24 both ends of capacitor, then by power battery and fuel oil are sent out to the DC/AC electronic switch that traction electric machine 4 is powered in traction convertor 2
The electric energy that motor group 1 provides is converted into power supply required for locomotive traction motor 4, provides energy for traction electric machine 4, drives locomotive
Operation.If power provided by power battery and oil-fired power generating unit 1 is greater than power required for locomotive traction load at this time,
Then oil-fired power generating unit 1 is exported by rated power, and power battery output power is slowly reduced, and reaches power battery and oil-fired power generating
Power provided by unit 1 is equal to power required for locomotive traction load.After locomotive traction, oil-fired power generating unit 1
By optimal economic mode or optimum discharge mode output power, the energy on the one hand is provided for locomotive ancillary equipment 3, while locomotive is micro-
Machine 5 issues instruction to DUC controller 22, is power battery charging by 22 control switch 2 12 of DUC controller, when power battery
When SOC is greater than or equal to third electricity threshold values (for example SOC is 80%, 85% or 90% etc.), locomotive microcomputer 5 is according to power battery
The power battery SOC value that management system 6 provides makes main generator excitation electric current be reduced to zero within the short time (such as 20 seconds), then makes
Diesel engine stop simultaneously switches off switch 1.
F) when locomotive is braked, electricity sky controller 9 controls the requirement of handle according to driver, carries out the same of air damping
When required braking force issued to locomotive microcomputer 5 by network system, locomotive microcomputer 5 is transferred to the brake force by network system
DUC controller 22, by DC/AC electronic switch DUC controller 22 control switch 2 12 and powered to traction electric machine 4, control is led
Draw motor 4 and carry out generating operation mode, dynamic braking is carried out to locomotive, and locomotive brake energy is stored in power battery charging
In power battery, while the empty controller 9 of the electricity rate control air brake force that is risen according to dynamic braking force is in the opposite direction
Rate declines and exits.If (for example SOC is since the SOC of power battery is greater than or equal to third electricity threshold values under this operating condition
80%, when 85% or 90% etc.), the charging current that DUC controller 22 controls power battery reduces, when dynamic braking force is less than department
When machine controls the brake force that handle requires, 22 control switch 3 13 of DUC controller closure, braking resistor 8 is put into, and makes power battery
The general power of charge power and resistive braking power is equal to dynamic braking power, controls hand to guarantee that locomotive brake force meets driver
The requirement of handle.When locomotive speed is less than or equal to 3km/h, dynamic braking is exited by the rate of decline, and air brake force is pressed
The rate of dynamic braking force opposite direction rises until locomotive stops.
(2) locomotive carries out main line towage operating condition
A) when locomotive shutdown is awaited orders, starting oil-fired power generating unit 1 and being exported or utilized ground power supply by rated power is power
Battery charging makes the SOC of power battery be greater than or equal to third electricity threshold values (such as SOC 80% or 90% etc.).
B) in distraction procedure, oil-fired power generating unit 1 is rectified by switch 1 and AC/DC to traction convertor 2 locomotive
24 both ends of intermediate DC link Support Capacitor export rated power, if power required for traction load be greater than oil-fired power generating
1 output power of unit, then 22 control switch 2 12 of DUC controller is closed, and power battery investment carries out power supplement；If traction
Power required for load is less than 1 output power of oil-fired power generating unit, then 22 control switch 2 12 of DUC controller is closed, and will fire
Oily 1 dump power of generating set mends electricity to power battery.
C) for locomotive in braking process, locomotive microcomputer 5 controls DUC controller 22 by network communication first, is controlled by DUC
The control of device 22 carries out dynamic braking to the DC/AC electronic switch that traction electric machine 4 is powered, and traction electric machine 4 is made to be in generating operation mode, and
2 12 pairs of power battery chargings of control switch, locomotive brake energy storage in power battery, while DUC controller 22 controls
The DC/AC electronic switch powered to auxiliary system is converted into the locomotive brake power of the intermediate DC link of traction convertor 2
3 power supply of locomotive ancillary equipment.
D) locomotive is in braking process, if locomotive is in long steep grade descending operating condition, locomotive microcomputer 5 passes through net
Network communication controls DUC controller 22 first, controls the DC/AC electronic switch powered to traction electric machine 4 by DUC controller 22 and carries out
Dynamic braking makes traction electric machine 4 be in generating operation mode, and 2 12 pairs of power battery chargings of control switch, locomotive brake energy
It is stored in power battery, while the DC/AC electronic switch that the control of DUC controller 22 is powered to auxiliary system is traction convertor
The locomotive brake power of 2 intermediate DC link is converted into 3 power supply of locomotive ancillary equipment.If the SOC due to power battery is big
When third electricity threshold values (for example SOC is 80%, 85% or 90% etc.), 22 control switch 2 12 of DUC controller makes
The charging current of power battery reduces, when dynamic braking force, which is less than driver, controls the brake force that handle requires, DUC controller 22
Control switch 3 13 is closed, and braking resistor 8 is put into, and is equal to the general power of power battery charging power and resistive braking power dynamic
Dynamic braking power, to guarantee that locomotive brake force meets the requirement that driver controls handle.
According to the above technical scheme, the beneficial effects of the present invention are: proposing a kind of electric hybrid vehicle energy management
Control system and control method shorten the oil-burning machine working time substantially, and operate mainly in rated power or economical operation
Area, had not only been able to satisfy the traction needs of locomotive, but also oil consumption can be greatly reduced and with cost, the discharge of reduction exhaust gas, reduction noise, reach
To energy conservation, emission reduction, noise reduction purpose.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of electric hybrid vehicle energy management control system characterized by comprising oil-fired power generating unit (1) is led
Draw current transformer (4), power battery (7) and traction electric machine (4), the traction convertor includes: AC/DC module (21), DC/AC electricity
Sub switch (23), Support Capacitor (24) and DCU controller (22), the oil-fired power generating unit (1) pass sequentially through AC/DC module
(21) it is connect with DC/AC electronic switch (23) with traction electric machine (4) and ancillary equipment (3), the oil-fired power generating unit (1) passes through
Excitation drive module (10) is controlled, the power battery (7) respectively with AC/DC module (21) and DC/AC electronic switch
(23) it connects, power battery (7) both ends are in parallel with Support Capacitor (24), and power battery (7) both ends are parallel with braking
Resistance (8).
2. a kind of electric hybrid vehicle energy management control system according to claim 1, it is characterised in that: described
Switch one (11), the power battery (7) and braking resistor are provided with before oil-fired power generating unit (1) and AC/DC module (21)
(8) output end is respectively arranged with switch two (12) and switch three (13).
3. a kind of electric hybrid vehicle energy management control system according to claim 2, it is characterised in that: described
Power battery (7) is managed by power battery management system (6), and the power battery management system (6) is controlled by DCU
Device (22) is connect with DC/AC electronic switch (23).
4. a kind of electric hybrid vehicle energy management control system according to claim 3, it is characterised in that: described
Power battery management system (6) and excitation drive module (10) are controlled by locomotive microcomputer (5).
5. a kind of electric hybrid vehicle energy management control system according to claim 4, it is characterised in that: described
Electric empty controller (9) is connected in locomotive microcomputer (5).
6. a kind of electric hybrid vehicle energy management control system according to claim 5, it is characterised in that: described
DCU controller (22), power battery management system (6), locomotive microcomputer (5) and the empty controller (9) of electricity all have wireless module simultaneously
Data transmission is realized by wireless network.
7. a kind of electric hybrid vehicle energy management control method: it is characterized in that, the different operating conditions of identification locomotive, thus
Different energy supply modes is matched, the following contents is specifically included:
Cognitron turner condition is shunt towage operating condition or main line towage operating condition；
When in shunt towage operating condition when, be when the SOC of power battery (7) is greater than or equal to the second electricity threshold values and locomotive
It is ancillary equipment (3) power supply by power battery (7) when shutting down waiting；
When in shunt towage operating condition when, when the SOC of power battery (7) be greater than or equal to the first electricity threshold values and less than the
Two electricity threshold values and locomotive shutdown is when awaiting orders, starting oil-fired power generating unit (1) are that ancillary equipment (3) power, and are power battery
(7) it charges, when SOC is greater than or equal to third electricity threshold values, oil-fired power generating unit (1) is shut down；
When in shunt towage operating condition when, led when the SOC of power battery (7) is greater than or equal to the second electricity threshold values and locomotive
Draw load less than or equal to the first traction power of locomotive threshold values, is ancillary equipment (3) by power battery (7) and drives traction electricity
Machine (4) work；
When in shunt towage operating condition when, when the SOC of power battery (7) be greater than or equal to the first electricity threshold values and less than the
Two electricity threshold values, and power required for locomotive traction load is less than or equal to the first traction power of locomotive threshold values, starts fuel oil
Generating set (1) is ancillary equipment (3), and traction electric machine (4) is driven to work, and is charged for power battery (7)；
When in shunt towage operating condition when, the power required for locomotive traction load be greater than the first traction power of locomotive valve
Value, starting oil-fired power generating unit (1) are that traction electric machine (4) power together with power battery (7), during this, gradually reduce power
The power output of battery (7) is sent out when oil-fired power generating unit (1) power is greater than the input power of traction electric machine (4) by fuel oil
Motor group (1) is power battery (7) charging；
When locomotive is braked, traction electric machine (4) carries out generating operation mode, and extra electricity charges to power battery (7) and carries out
Charging, and power for ancillary equipment (3)；
When being in main line towage operating condition, and locomotive shutdown starts oil-fired power generating unit (1) by rated power output when awaiting orders
Or utilizing ground power supply is power battery charging, and the SOC of power battery (7) is made to be greater than or equal to third electricity threshold values；
When being in main line towage operating condition, and locomotive is in distraction procedure, and the output power of oil-fired power generating unit (1), which is less than, to be led
When drawing the output power of motor (4), power battery (7) is traction electric machine (4) supplementary power；
When being in main line towage operating condition, and locomotive is in braking process, and control traction electric machine (4) is in generating operation mode, is
Power battery (7) charging, and power for ancillary equipment (3)；
When being in main line towage operating condition, and locomotive is in braking process, when being in long steep grade descending operating condition, control
Traction electric machine (4) is in generating operation mode, charges for power battery (7), and powers for ancillary equipment (3), and starting braking in due course
Resistance (8) investment.
8. a kind of electric hybrid vehicle energy management control method according to claim 7: it is characterized in that, described
First electricity threshold values is 10% or 20%, and the second electricity threshold values is 30% or 40%, and the third electricity threshold values is 80%
Or 90%.
9. a kind of electric hybrid vehicle energy management control method according to claim 7: it is characterized in that, described
First traction power threshold values is the 50% of traction convertor intermediate DC link gross output.
Priority Applications (2)
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| CN201811336772.7A CN109435978A (en) | 2018-11-12 | 2018-11-12 | A kind of electric hybrid vehicle energy management control system and control method |
| PCT/CN2018/115774 WO2020097896A1 (en) | 2018-11-12 | 2018-11-16 | Energy management control system and control method for hybrid electric locomotive |
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| CN201811336772.7A CN109435978A (en) | 2018-11-12 | 2018-11-12 | A kind of electric hybrid vehicle energy management control system and control method |
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| WO2020097896A1 (en) | 2020-05-22 |
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