CN206781745U - A kind of dynamical system of extended-range electric traction locomotive - Google Patents

A kind of dynamical system of extended-range electric traction locomotive Download PDF

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CN206781745U
CN206781745U CN201720453382.2U CN201720453382U CN206781745U CN 206781745 U CN206781745 U CN 206781745U CN 201720453382 U CN201720453382 U CN 201720453382U CN 206781745 U CN206781745 U CN 206781745U
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battery pack
power
generating set
traction
locomotive
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何业科
马洪雷
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Haitong Kechuang (Shenzhen) Co., Ltd.
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SHENZHEN ANSHUN ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

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Abstract

The utility model discloses a kind of dynamical system of extended-range electric traction locomotive.The dynamical system includes a generating set, a battery pack, a controller;When the residual electric quantity of the battery pack is less than the first default charge value, the controller control generating set is exported with economic power, is charged to the traction electric machine, auxiliary power supply for electrical equipment and to battery pack;When the residual electric quantity of the battery pack reaches the second default charge value, the controller control generating set is stopped, and the battery pack is independent to the traction electric machine, auxiliary power supply for electrical equipment.For the dynamical system using battery pack as traction locomotive main power source, the waste so as to evading conventional internal combustion locomotive dynamical system redundant power, battery pack is also used as energy buffer unit, can reclaim energy caused by traction locomotive braking;In addition, the power output of generating set need not be maintained at the continuous running of economical consumption of fuel area with traction locomotive power demand real-time matching, fuel efficiency is high.

Description

A kind of dynamical system of extended-range electric traction locomotive
Technical field
It the utility model is related to new energy application field, more particularly to a kind of dynamical system of extended-range electric traction locomotive System.
Background technology
Fig. 1 is the diesel engine universal characteristic curve figure that certain model rated power is 400kW.As shown in Figure 1, A points are output When power is 60kW, rotating speed is 1500rpm, specific fuel consumption is 310g/kWh;And the economical consumption of fuel of this engine is rotating speed During 1200rpm/ 300~320kW of power output, specific fuel consumption is 191g/kWh;A point oil consumption is higher by 38% than economical consumption of fuel.
At present, low as the traction locomotive efficiency of power using diesel generating set, main cause is as follows:
1) to meet power demand, traction locomotive dynamical system must be matched by peak power, and traction locomotive is averagely transported The 10%~30% of dynamical system peak power, peak power run time is generally only accounted for power and is typically less than 1%;It is non-mixed Power traction locomotive must start because of noenergy buffer cell, generating set power output with locomotive power demand real-time matching Captain's phase low load operation, fuel efficiency is low, the equipment especially using conventional power generation usage unit as power, rotating speed must it is constant 1500rpm, efficiency are lower.
2) brakeless energy recovery function:Locomotive deceleration produces big energy when braking, and because of noenergy buffer cell, causes The energy of feedback can not store, it is necessary to consumed in real time by energy consumption resistance, cause to waste.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of extended-range electromotive electric traction machine with high energy efficiency The dynamical system of car.
In order to solve the above technical problems, the utility model additionally provides a kind of dynamical system of extended-range electric traction locomotive System, for being powered for extended-range electric traction locomotive, the extended-range electric traction locomotive includes traction electric machine and auxiliary electricity consumption is set It is standby, the dynamical system include a generating set, a battery pack, a controller, the generating set by a controlled rectifier with After the battery pack parallel connection, respectively with traction electric machine and auxiliary electrical equipment be connected, the controller respectively with generating set, can Control rectifier, battery pack connection;The controller is used to judge whether the residual electric quantity of the battery pack to be default less than first Charge value, when the residual electric quantity of the battery pack is less than the first default charge value, the controller controls the generator Group is exported with economic power, is charged to the traction electric machine, auxiliary power supply for electrical equipment and to the battery pack;In the hair Group of motors is exported with economic power, to the traction electric machine, auxiliary power supply for electrical equipment and to the battery pack charge when, institute State controller and be additionally operable to judge whether the residual electric quantity of the battery pack reaches the second default charge value, when the battery pack Residual electric quantity reaches the second default charge value, and the controller controls the generating set to be stopped, and the battery pack is only Stand to the traction electric machine, auxiliary power supply for electrical equipment.
The dynamical system of extended-range electric traction locomotive of the present utility model includes battery pack and generating set, the dynamical system System can evade the waste of conventional internal combustion locomotive dynamical system redundant power using battery pack as traction locomotive main power source;In addition, The power output of generating set need not be maintained at the continuous running of economical consumption of fuel area with traction locomotive power demand real-time matching, Fuel efficiency is high, improves energy efficiency.
Brief description of the drawings
Fig. 1 is the universal characteristic curve figure for the diesel engine that rated power is 400kW;
Fig. 2 is that the workflow of the dynamical system of the extended-range electric traction locomotive in the utility model one embodiment is shown It is intended to;
Fig. 3 is remaining capacity SOC-voltage curve schematic diagram of battery pack in the utility model one embodiment;
Fig. 4 is that the workflow of the dynamical system of extended-range electric traction locomotive in the utility model another embodiment is shown It is intended to;
Fig. 5 is the structural representation of the utility model extended-range electric traction locomotive.
Embodiment
To make one of ordinary skill in the art that the purpose of this utility model, technical scheme and excellent be more clearly understood Point, the utility model is further elaborated below in conjunction with drawings and examples.
As shown in Fig. 2 it illustrates the power of the extended-range electric traction locomotive in a kind of embodiment of the present utility model The workflow schematic diagram of system.The extended-range electric traction locomotive includes traction electric machine, auxiliary electrical equipment and dynamical system System, the dynamical system include controller, generating set, battery pack, and the workflow of the system comprises the following steps:
Step S1, the battery pack are independent to the traction electric machine, auxiliary power supply for electrical equipment.
Active force power supply of the battery pack as traction locomotive, it can meet that full electricity of the traction locomotive within a period of time is made When independence is to the traction electric machine, auxiliary power supply for electrical equipment, its discharge power is more than or equal to the increasing for industry, i.e. battery pack The maximum demanded power of formula electric traction locomotive;Secondly, internal battery pack is provided with power-supply management system, in power management system Under the control of system, when the battery pack is independently-powered, its power output and the power demand of the extended-range electric traction locomotive Whole real-time matching.
Whether step S2, controller judge the residual electric quantity of the battery pack less than the first default charge value;If so, hold Row step S3, if it is not, return to step S1.
Dump energy full value of the setting of described first default charge value not higher than the battery pack.It should be noted that The state of the dump energy full value of battery pack is the fully charged state of battery pack.Active force electricity of the battery pack as traction locomotive Source, preferentially powered to traction locomotive, when the residual electric quantity of battery pack is more than or equal to, first when presetting charge value, the electricity Pond group can be independently to the traction electric machine, auxiliary power supply for electrical equipment.The setting of described first default charge value need to meet to lead Draw the operating voltage and power of locomotive:
The minimum operating voltage of traction electric machine≤the first predeterminated voltage≤traction electric machine maximum operating voltage;
The maximum demanded power of maximum instantaneous discharge power >=traction locomotive during the first predeterminated voltage of battery pack.
It should be noted that battery when above-mentioned first predeterminated voltage is equal to the first default charge value for battery pack dump energy The operating voltage of group.
Step S3, controller control the generating set to be exported with economic power, are set to the traction electric machine, auxiliary electricity consumption Available is electric and is charged to the battery pack.
Assuming that the power of the extended-range electric traction locomotive normal operation job requirements is the extended-range electric traction The average of locomotive uses power.Generating set startup optimization in the low residual electric quantity of battery pack, for traction locomotive Power and charged to the battery pack, therefore, the apolegamy of generating set need to follow following principle:The economic work(of generating set The average of rate >=extended-range electric traction locomotive uses power.When in certain section of activity duration, traction locomotive averagely uses work( Rate is exactly equal to the power output of generating set, then keep generating set continuous service, battery pack in operation process neither Electric discharge is not also charged, the electricity kept in balance stored by battery pack;When in certain section of activity duration, traction locomotive averagely uses Power is less than power output of the engine of generating set when economical consumption of fuel area is run, and still controls generating set with economical consumption of fuel Power output, during which generating set power surplus give battery pack charging.
It is the engine of generating set in economical consumption of fuel area it should be noted that the economic power of above-mentioned generating set The power exported during operation.
Step S4, controller judge whether the residual electric quantity of the battery pack reaches the second default charge value, if so, returning Step S1 is returned, if it is not, return to step S3.
The setting of described second default charge value need to follow following principle:First default charge value≤the second presets charge value ≤ battery pack dump energy full value;First predeterminated voltage≤the second predeterminated voltage≤traction electric machine maximum operating voltage.Due to hair During group of motors startup optimization, its energy priority exported is supplied to traction locomotive to use, and remaining energy charges to battery pack, because This, voltage≤traction electric machine maximum operating voltage of the second predeterminated voltage≤generating set output.
It should be noted that battery when above-mentioned second predeterminated voltage is equal to the second default charge value for battery pack dump energy The operating voltage of group.
The dynamical system of extended-range electric traction locomotive of the present utility model, can using battery pack as traction locomotive main power source To evade the waste of conventional internal combustion locomotive dynamical system redundant power;In addition, the power output of generating set need not be with traction Locomotive power demand real-time matching, the continuous running of economical consumption of fuel area is maintained at, fuel efficiency is high, improves energy efficiency.
Preferably, when electric traction locomotive is braked, the power-control method is included the machinery of electric traction locomotive The step of electric energy can be converted into and stored to battery pack.Big energy, battery pack conduct can be produced during traction locomotive retarding braking Energy buffer unit, can reclaim traction locomotive braking caused by energy, realize recycling for energy.
To realize the complete recovery of traction locomotive braking energy, battery pack can not be set in work under dump energy full value state Make, there need to be redundancy, therefore the described second default charge value is less than the dump energy full value of battery pack.As shown in figure 3, described first Default charge value is set to battery pack 40%SOC (State Of Charge, i.e. state-of-charge.For the residue electricity of reaction cell Amount, it is numerically defined as the ratio that residual capacity accounts for battery capacity), the described second default charge value is set to battery pack 60% SOC, still there is 40% capacity apart from battery pack dump energy full value 100%SOC, can meet that the complete of traction locomotive braking energy returns Receive.
As shown in figure 4, it is the dynamical system of the extended-range electric traction locomotive in the utility model another kind embodiment Workflow schematic diagram.The extended-range electric traction locomotive includes traction electric machine, auxiliary electrical equipment and dynamical system, should Dynamical system includes controller, generating set, battery pack, the dynamical system.The workflow of the dynamic Control includes following Step:
Step S11, the battery pack are independent to the traction electric machine, auxiliary power supply for electrical equipment.
Active force power supply of the battery pack as traction locomotive, it can meet that full electricity of the traction locomotive within a period of time is made When independence is to the traction electric machine, auxiliary power supply for electrical equipment, its discharge power is more than or equal to the increasing for industry, i.e. battery pack The maximum demanded power of formula electric traction locomotive;Secondly, internal battery pack is provided with power-supply management system, in power management system Under the control of system, when the battery pack is independently-powered, its power output and the power demand of the extended-range electric traction locomotive Whole real-time matching.
Whether step S12, controller judge the residual electric quantity of the battery pack less than the first default charge value;If so, Step S3 is performed, if it is not, return to step S1.
Dump energy full value of the setting of described first default charge value not higher than the battery pack.It should be noted that The state of the dump energy full value of battery pack is the fully charged state of battery pack.Active force electricity of the battery pack as traction locomotive Source, preferentially powered to traction locomotive, when the residual electric quantity of battery pack is more than or equal to the first default charge value, the battery Group can be independently to the traction electric machine, auxiliary power supply for electrical equipment.The setting of described first default charge value need to meet to draw The operating voltage and power of locomotive:
The minimum operating voltage of traction electric machine≤the first predeterminated voltage≤traction electric machine maximum operating voltage;
The maximum demanded power of maximum instantaneous discharge power >=traction locomotive during the first predeterminated voltage of battery pack.
It should be noted that battery when above-mentioned first predeterminated voltage is equal to the first default charge value for battery pack dump energy The operating voltage of group.
Step S13, controller control the generating set to be exported with economic power, to the traction electric machine, auxiliary electricity consumption Equipment is powered and charged to the battery pack.
Assuming that the power of the extended-range electric traction locomotive normal operation job requirements is the extended-range electric traction The average of locomotive uses power.Generating set startup optimization in the low residual electric quantity of battery pack, for traction locomotive Power and charged to the battery pack, therefore, the apolegamy of generating set need to follow following principle:The economic power of generating set >=the average of extended-range electric traction locomotive uses power.When in certain section of activity duration, traction locomotive averagely uses power The exactly equal to power output of generating set, then keep generating set continuous service, and battery pack is neither discharged in operation process Also do not charge, the electricity kept in balance stored by battery pack;When in certain section of activity duration, traction locomotive averagely uses power Less than power output of the engine when economical consumption of fuel area is run of generating set, still generating set is controlled to be exported with economical consumption of fuel Power, during which generating set power surplus give battery pack charging.
It is the engine of generating set in economical consumption of fuel area it should be noted that the economic power of above-mentioned generating set The power exported during operation.
Step S14, controller judge whether traction locomotive is averagely higher than the economic power of generating set with power, if It is to perform step S15, if it is not, performing step S18.
Whether step S15, controller judge the residual electric quantity of the battery pack less than the first default charge value;If so, Step S16 is performed, if it is not, performing step S17.
Step S16, generating set or send control signal and are given to vehicle system with rated power or in case carry power output System reduces the extended-range electric traction locomotive and averagely uses power, and the generating set continues to export with economic power.
It is accidental, when in certain section of activity duration, traction locomotive is averagely higher than the economic power of generating set with power, and When the residual electric quantity of battery pack is down to the first default charge value, generating set is can control with rated power or in case load power is defeated Go out, sacrifice optimum oil consumption in short-term and protect production efficiency;It if production allows, can also slow down operating speed, reduce the flat of traction locomotive Power is used, controls energy balance, the generating set continues to export with economic power, keeps the economy oil of generating set Consumption.
Step S17, generating set is with economical consumption of fuel power output, while the battery pack is fed.
Accidental, when in certain section of activity duration, traction locomotive is averagely passing through with engine of the power higher than generating set The power output during operation of Ji oil consumption area, in the case where the residual electric quantity of battery pack presets charge value not less than first, hair The power output of group of motors can not meet the power demand of traction locomotive, can be compensated by way of battery pack feed, with Meet the power demand of traction locomotive operation, now, the battery pack, the power output sum of generating set and the extended-range The power demand real-time matching of electric traction locomotive.
Step S18, controller judge whether the residual electric quantity of the battery pack reaches the second default charge value;If so, Return to step S11, if it is not, return to step S13.
The setting of described second default charge value need to follow following principle:First default charge value≤the second presets charge value The dump energy full value of≤battery pack.First predeterminated voltage≤the second predeterminated voltage≤traction electric machine maximum operating voltage.Due to During generating set startup optimization, its energy priority exported is supplied to traction locomotive to use, and remaining energy charges to battery pack, Therefore, voltage≤traction electric machine maximum operating voltage of the second predeterminated voltage≤generating set output.
It should be noted that battery when above-mentioned second predeterminated voltage is equal to the second default charge value for battery pack dump energy The operating voltage of group.
The dynamical system of extended-range electric traction locomotive of the present utility model, can using battery pack as traction locomotive main power source To evade the waste of conventional internal combustion locomotive dynamical system redundant power;In addition, the power output of generating set need not be with traction Locomotive power demand real-time matching, the continuous running of economical consumption of fuel area is maintained at, fuel efficiency is high, improves energy efficiency.
Preferably, when electric traction locomotive is braked, the power-control method is included the machinery of electric traction locomotive The step of electric energy can be converted into and stored to battery pack.Big energy, battery pack conduct can be produced during traction locomotive retarding braking Energy buffer unit, can reclaim traction locomotive braking caused by energy, realize recycling for energy.
To realize that the completion of traction locomotive braking energy is reclaimed, battery pack can not be set in work under dump energy full value state Make, there need to be redundancy.Therefore, the described second default charge value is less than the Full Charge Capacity operating voltage of battery pack.It is as shown in figure 3, described First default charge value is set to battery pack 40%SOC (State Of Charge, i.e. state-of-charge.For the residue of reaction cell Electricity, it is numerically defined as the ratio that residual capacity accounts for battery capacity), the described second default charge value is set to battery pack 60% SOC, still there is 40% capacity apart from battery pack dump energy full value 100%SOC, can meet that the complete of traction locomotive braking energy returns Receive.
As shown in figure 5, it is the structural representation of the utility model extended-range electric traction locomotive.The extended-range is electronic to be led Drawing locomotive includes traction electric machine 6, auxiliary electrical equipment 8 and dynamical system 10, the dynamical system 10 and auxiliary electrical equipment 8 And traction electric machine 6 connects, for being powered to the traction electric machine 6, auxiliary electrical equipment 8.
The dynamical system 10 includes generating set 2, controlled rectifier 3, battery pack 4, electric machine controller 5 and controller 1, wherein, battery pack 4 is internally provided with power-supply management system, under the control of power-supply management system, the output of the battery pack The power demand real-time matching of power and the extended-range electric traction locomotive.The generating set 2 by controlled rectifier 3 with The battery pack 4 is connected in parallel to dc bus, is connected respectively with electric machine controller 5, inverter 7 by dc bus.It is described Electric machine controller 5 is connected with the traction electric machine 6, for controlling the operation of traction electric machine 6.The inverter 7 and the auxiliary Electrical equipment 8, powered for DC current to be changed into standard three-phase current for locomotive auxiliary equipment 8.The controller 1 divides It is not connected with the generating set 2, controlled rectifier 3, battery pack 4, inverter 7, for controlling the generating set 2, controllable The operation of rectifier 3, battery pack 4, inverter 7.
Active force power supply of the battery pack 4 as extended-range electric traction locomotive, its discharge power meet extended-range electricity Dynamic traction locomotive total installation of generating capacity, i.e., battery pack 4 is independently-powered supports extended-range electric traction locomotive in maximum power requirement Lower operation, and complete electric operation of the extended-range electric traction locomotive within a period of time can be met, the power output of battery pack 4 is with increasing journey Formula electric traction locomotive power demand real-time matching.The battery pack 4 is independent to power to extended-range electric traction locomotive, so as to evading The waste of the redundant power of conventional internal combustion locomotive dynamical system generating set 2.Assuming that residual electric quantity is equal to the first default charge value When battery pack operating voltage be the first predeterminated voltage, the work electricity of battery pack when residual electric quantity is equal to the second default charge value Press as the second predeterminated voltage, then the battery pack 4 is matched and first and second default charge value need to follow following principle:
1) maximum demanded power of maximum instantaneous discharge power >=traction locomotive during the first predeterminated voltage of battery pack;
2) operating voltage range of battery pack and the operating voltage range juxtaposition of the traction electric machine.Preferably, it is electric The operating voltage range of pond group can be with the operating voltage range of traction electric machine described in all standing, to ensure traction locomotive dynamical system Safety and stably.
3) predeterminated voltage of traction electric machine maximum operating voltage >=second >=minimum work of the first predeterminated voltage >=traction electric machine Voltage.
4) battery pack dump energy full value >=the second presets charge value >=the first and presets charge value.
The generating set 2, for when the residual electric quantity of the battery pack 4 is less than the first default charge value, to institute State traction electric machine 6, aid in electrical equipment 8 to power and charged to the battery pack 4, it keeps under the controller 1 control Its engine continues permanent rotating speed, output-constant operation in economical consumption of fuel area.Assuming that the engine of generating set 2 is transported in economical consumption of fuel area The power exported during row is the economic power of generating set, then the economic power of generating set 2 is more than or equal to the extended-range The average of electric traction locomotive uses power, to meet the power demand of the extended-range electric traction locomotive normal work.
Controlled rectifier 3, the AC alternating currents for generating set 2 to be exported carry out rectification, boosting, are converted into DC direct currents After export, to traction locomotive power.When preferably, to ensure 2 startup optimization of generating set, output energy priority is used, and is kept away Exempt from energy to recycle by battery pack 4, improve efficiency, reduce the charge and discharge of battery pack 4, extend the life-span of battery pack 4, the generating set Second predeterminated voltage is more than or equal to by the DC voltage exported after controlled rectifier rectification, boosting.
Controller 1, for judging the residual electric quantity of the battery pack whether less than the first default charge value;When the electricity When the residual electric quantity of pond group is less than the first default charge value, the controller controls the generating set defeated with economic power Go out, charged to the traction electric machine, auxiliary power supply for electrical equipment and to the battery pack.
In the generating set in economical consumption of fuel area continuous service, exported with economic power to the traction electric machine, auxiliary Power supply for electrical equipment and to the battery pack charge when, the controller 1 is additionally operable to judge the dump energy of the battery pack Whether value reaches the second default charge value;When the residual electric quantity of the battery pack reaches the second default charge value, the control Device controls the generating set to be stopped, and the battery pack is independent to the traction electric machine, auxiliary power supply for electrical equipment.
The workflow of the dynamical system of the extended-range electric traction locomotive:Make in the case of battery pack 4 is independently-powered Industry, whether controller 1 judges the residual electric quantity of battery pack 4 less than the first default charge value, when the residue electricity of the battery pack 4 When value is less than the first default charge value, the controller 1 controls the engine of the generating set 2 to continue in economical consumption of fuel area Permanent rotating speed, output-constant operation, power to the traction electric machine 6, auxiliary electrical equipment 8 and charged to the battery pack 4;Work as institute When stating battery pack 4 and charging to residual electric quantity and reach the second default charge value, wherein the described second default charge value is higher than first Default charge value, the controller 1 control the generating set 2 to be stopped, and the battery pack 4 is independent to the traction electric machine 6th, auxiliary electrical equipment 8 is powered.Electric traction locomotive can produce big energy in retarding braking, and electric machine controller 5 is to traction The method of operation of motor 6 is adjusted, and traction electric machine 6 is used as generator operation, and the mechanical energy of traction locomotive is converted into electricity Can, and used by power storage to battery pack 4 or for the auxiliary electrical equipment 8 of traction locomotive.
The dynamical system of the extended-range electric traction locomotive of the present invention is using battery pack as traction locomotive main power source, Ke Yigui Keep away the waste of conventional internal combustion locomotive dynamical system redundant power;Battery pack is also used as energy buffer unit, can reclaim hauling machine Energy caused by car braking, realizes recycling for energy;In addition, the power output of generating set does not need and traction locomotive Power demand real-time matching, the continuous running of economical consumption of fuel area is maintained at, fuel efficiency is high, improves energy efficiency.
Preferably, in certain embodiments, to realize that the completion of traction locomotive braking energy is reclaimed, battery pack can not be set Worked under dump energy full value state, there need to be redundancy.Therefore, the described second default charge value is less than the dump energy of battery pack Full value.
As shown in figure 3, the described first default charge value be set to battery pack 40%SOC (State Of Charge, i.e., it is charged State.For the dump energy of reaction cell, it is numerically defined as the ratio that residual capacity accounts for battery capacity), described second Default charge value is set to battery pack 60%SOC, still has 40% capacity apart from battery pack dump energy full value 100%SOC, can expire The full recovery of sufficient traction locomotive braking energy.
Preferably, in certain embodiments, exported in the generating set 2 with economic power, to the traction electric machine 6, Auxiliary electrical equipment 8 power and to the battery pack 4 charge when, the controller 1 is additionally operable to judgement and states that extended-range is electronic to be led Draw the economic power whether locomotive is averagely higher than the generating set 2 with power, if the extended-range electric traction locomotive is put down It is higher than the economic power of the generating set 2 with power, the controller 1 is used for the residue electricity for judging the battery pack 4 Whether value is less than the first default charge value;When the residual electric quantity of the battery pack 4 is higher than the first default charge value, control Device 1 controls generating set 2 to continue to export with economic power, while the battery pack 4 is fed, and now, the battery pack 4, generates electricity The power output sum of unit 2 and the power demand real-time matching of the extended-range electric traction locomotive;;When the battery pack 4 Residual electric quantity less than the first default charge value when, controller 1 controls generating set 2 with rated power or in case to carry power defeated Go out, or send control signal and be given to Full Vehicle System and reduce the extended-range electric traction locomotive and averagely use power, the hair Group of motors 2 continues to export with economic power.
Preferred embodiment of the present utility model is the foregoing is only, rather than any formal limit is done to the utility model System.Those skilled in the art can impose various equivalent changes and improvement on the basis of above-described embodiment, all to be wanted in right The equivalent variations done in the range of asking or modification, it all should fall within the scope of protection of the utility model.

Claims (6)

1. a kind of dynamical system of extended-range electric traction locomotive, for being powered for extended-range electric traction locomotive, the extended-range Electric traction locomotive includes traction electric machine and auxiliary electrical equipment, it is characterised in that:The dynamical system includes a generating set, one Battery pack, a controller, the generating set by a controlled rectifier it is in parallel with the battery pack after, respectively with traction electric machine And auxiliary electrical equipment connection, the controller are connected with generating set, controlled rectifier, battery pack respectively;The controller For judging whether the residual electric quantity of the battery pack presets charge value less than first, when the residual electric quantity of the battery pack During less than the first default charge value, the controller controls the generating set to be exported with economic power, to the traction electric machine, Aid in power supply for electrical equipment and charged to the battery pack;When the generating set charges to the battery pack, the control Device processed is additionally operable to judge whether the residual electric quantity of the battery pack reaches the second default charge value, when the residue of the battery pack Charge value reaches the second default charge value, and the controller controls the generating set to be stopped, the battery pack it is independent to The traction electric machine, auxiliary power supply for electrical equipment.
2. dynamical system as claimed in claim 1, it is characterised in that:Exported in the generating set with economic power, to institute State traction electric machine, auxiliary power supply for electrical equipment and to the battery pack charge when, the controller is additionally operable to judgement and states increasing journey Whether formula electric traction locomotive is averagely higher than the economic power of the generating set with power, if the extended-range electric traction Locomotive is averagely higher than the economic power of the generating set with power, and the controller is used for the residue for judging the battery pack Whether charge value is less than the first default charge value, when the residual electric quantity of the battery pack is higher than the first default charge value, control Device control generating set processed continues to export with economic power, while the battery pack is fed, when the dump energy of the battery pack When value is less than the first default charge value, controller controls generating set with rated power or in case carries power output, or sends Control signal, which is given to Full Vehicle System and reduces the extended-range electric traction locomotive, averagely use power, the generating set continuation with Economic power exports.
3. dynamical system as claimed in claim 1, it is characterised in that:The internal battery pack is provided with power-supply management system, Under the control of power-supply management system, the battery pack, the power output sum of generating set and the extended-range electric traction The power demand real-time matching of locomotive.
4. dynamical system as claimed in claim 1, it is characterised in that:The controlled rectifier is used for the generating set is defeated The alternating current gone out carries out rectification, boosting, is exported after being converted into direct current;The DC voltage of the controlled rectifier output is more than Or equal to the predeterminated voltage of battery pack second.
5. the dynamical system as described in claim any one of 1-4, it is characterised in that:The dynamical system is connected to electricity including one Electric machine controller between pond group and traction electric machine;When electric traction locomotive is braked, the motor controller controls traction electric machine Mechanical energy is converted into electric energy, and by power storage to battery pack.
6. dynamical system as claimed in claim 5, it is characterised in that:Described second default charge value is less than the battery pack Dump energy full value.
CN201720453382.2U 2017-04-25 2017-04-25 A kind of dynamical system of extended-range electric traction locomotive Active CN206781745U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965815A (en) * 2017-04-25 2017-07-21 深圳市安顺节能科技发展有限公司 The dynamical system and power-control method of a kind of extended-range electric traction locomotive
CN109278765A (en) * 2018-09-19 2019-01-29 中车资阳机车有限公司 A kind of main line hybrid locomotrives set control system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965815A (en) * 2017-04-25 2017-07-21 深圳市安顺节能科技发展有限公司 The dynamical system and power-control method of a kind of extended-range electric traction locomotive
CN106965815B (en) * 2017-04-25 2023-08-22 深圳市安顺节能科技发展有限公司 Power system and power control method of extended-range electric traction locomotive
CN109278765A (en) * 2018-09-19 2019-01-29 中车资阳机车有限公司 A kind of main line hybrid locomotrives set control system and method
CN109278765B (en) * 2018-09-19 2024-02-13 中车资阳机车有限公司 Main line hybrid power locomotive group control system

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