CN108657193A - Novel locomotive non-Electric region is from traveling supply unit and its control method - Google Patents

Novel locomotive non-Electric region is from traveling supply unit and its control method Download PDF

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Publication number
CN108657193A
CN108657193A CN201810481032.6A CN201810481032A CN108657193A CN 108657193 A CN108657193 A CN 108657193A CN 201810481032 A CN201810481032 A CN 201810481032A CN 108657193 A CN108657193 A CN 108657193A
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power
locomotive
module
electric
supply unit
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杨劲松
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00Electric locomotives or railcars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/24Using the vehicle's propulsion converter for charging
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00Electric locomotives or railcars
    • B61C3/02Electric locomotives or railcars with electric accumulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles
    • 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
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • 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
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • 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
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
    • 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
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Abstract

The invention discloses the novel locomotive non-Electric regions suitable for AC electric locomotive from traveling supply unit.The supply unit, by DC DC power modules(1), lithium titanate battery group(2), DC DC power modules(3), super capacitor module(4)And system control module(5)Connection composition.The invention discloses the novel locomotive non-Electric regions suitable for AC electric locomotive from traveling supply unit control method.Step 1, lithium titanate battery group(2)The charging accumulation of energy of long-time small-power;Step 2, lithium titanate battery group(2)Power gives super capacitor module in short time(4)Charging;Step 3, super capacitor module(4)Short time high power discharge exports;Step 4, system control module(5)Coordinate to control each module operation.When locomotive need non-Electric region short distance when driving, which can provide high-power power in short-term and continue mid power electric energy, give traction electric machine to power by locomotive main inverter, and locomotive traction motor traction locomotive, which starts, simultaneously slowly to travel.

Description

Novel locomotive non-Electric region is from traveling supply unit and its control method
Technical field
It being used for AC electric locomotive short distance traveling or mobile Novel machine on the circuit of non-Electric region the present invention relates to a kind of Vehicle non-Electric region is from traveling supply unit and its control method.
Background technology
In electric railway, using 25kV single-phase high voltage alternating currents, AC electric locomotive is by pantograph in 25kV lines Electric power is obtained on cable, drives the in-orbit diatom road normally travel of locomotive.
It is improved in the repair storehouse of locomotive depot, progress non-Electric region in order to ensure the personal safety of operator's work industry Locomotive depot, which reorganizes and outfit, not to be allowed to set up high voltage cable in an ad hoc inspection and repair area, therefore electric locomotive is in the short distance row in the two regions Sailing becomes technical barrier.
Original continuous current locomotive is used along track laying 75V DC low-voltage conduction stakes, by way of being discontinuously powered, Traction locomotive moves on the track of non-Electric region.But this direct current leads vehicle device technique scheme efficiency it is low, there are security risk, It is being phased out now.
AC electric locomotive cannot directly borrow former direct current and lead vehicle device in non-Electric region mobile vehicle.The alternating current of coming of new The power outlet or three-phase 380VAC power outlets of mobile vehicle in library of the power locomotive with 600VDC or 700VDC, but It is that there is also security risks for the mode of this charged dragging line mobile vehicle.
AC electric locomotive in actual use, producer develops the dual-purpose storage battery tractor of work iron, direct current in the industry Lead the technical solutions such as vehicle device improvement.The more or less Shortcomings of these schemes, are not widely applied.
China with the novel HXN3 of external co-production and HXN5 AC drive diesel locomotives, is not starting diesel engine in the recent period When can rely on itself locomotive battery provide electric power, on driver Consoles drive locomotive disengaging repair storehouse.It is this Safely, quickly, clean locomotive shifting vehicle scheme obtains locomotive depot and uses the consistent favorable comment of user.
It is guided by mobile technology in novel AC drive diesel locomotive library, producer has carried out utilizing AC power in the industry Locomotive battery power supply carrys out the experiment of mobile vehicle, also develops some tentative products.But because diesel locomotive electric power storage Pond pool-size is much larger than AC electric locomotive accumulator group, so mobile technology scheme is good in diesel locomotive accumulator group power supply library It is good, and mobile vehicle technical solution is undesirable in AC electric locomotive accumulator group power supply library.AC electric locomotive accumulator group If exporting high-power power, the service life of battery pack will be shortened, hidden danger is brought to battery pack use reliability.
The weight of diesel locomotive large-capacity battery group is about 1.9 tons, and volume is also very big.Existing AC electric locomotive Complete vehicle weight needs stringent control, and installation space is limited between machinery, it is impossible to be similar to diesel locomotive placement large capacity and store Battery pack.It realizes technical solution same as diesel locomotive storage battery power supply mobile vehicle, needs research and development that can export big work( The miniaturization of rate, lightweight power supply product.
Invention content
The present invention provides novel locomotive non-Electric region from traveling supply unit and its control method, can solve very well to submit Flow electric locomotive(Independent headstock)The non-Electric region circuit short distance present in travels technical barrier.The present invention provides Novel machine Vehicle non-Electric region is small, light-weight from traveling supply unit, can meet installation requirement between existing AC electric locomotive machinery.
Novel locomotive non-Electric region is from traveling supply unit, including main circuit and system, control circuit;The main circuit includes The DC-DC power module coupled successively(1), lithium titanate battery group(2), DC-DC power module(3)And super capacitor module (4);The system, control circuit includes system control module(5);The system control module(5)With the DC-DC power source mould Block(1), lithium titanate battery group(2), DC-DC power module(3)And super capacitor module(4)Control circuit couple respectively.
Novel locomotive non-Electric region according to claim further includes DC-DC power module from traveling supply unit (6);The DC-DC power module(6)Main circuit input terminal and the DC-DC power module(1), lithium titanate battery group(2)、 DC-DC power module(3), super capacitor module(4)Main circuit connection;The DC-DC power module(6)Main circuit output End couples with locomotive shed change-over switch;The DC-DC power module(6)Control circuit and the system control module(5) Connection.
Novel locomotive non-Electric region according to claim is from traveling supply unit, wherein the DC-DC power module (6)By the connection compatible with its main circuit of electric locomotive of locomotive shed change-over switch, 600VDC or 700VDC is exported for voltage stabilizing, and it is existing There is the library of 6 axis high power AC Passenger Electric Locomotives to be matched with motor-car circuit parameter.
Novel locomotive non-Electric region according to claim is from traveling supply unit, wherein the DC-DC power module (6)For to subsequently loading into line precharge.
Novel locomotive non-Electric region according to claim further includes DC-AC power modules from traveling supply unit (7);The DC-AC power modules(7)Main circuit input terminal and the DC-DC power module(1), lithium titanate battery group(2)、 DC-DC power module(3), super capacitor module(4)Main circuit connection;The DC-AC power modules(7)Main circuit output End couples with locomotive shed change-over switch;The DC-AC power modules(7)Control circuit and the system control module(5) Connection.
Novel locomotive non-Electric region according to claim is from traveling supply unit, wherein the DC-AC power modules (7)By the connection compatible with its main circuit of electric locomotive of locomotive shed change-over switch, three-phase 380VAC is exported for voltage stabilizing, with existing 8 The library of axis high power AC freight electric locomotive is matched with motor-car circuit parameter.
Novel locomotive non-Electric region includes the following steps from the control method of traveling supply unit:
Step 1 passes through DC-DC power module(1)Low-power energy is obtained from locomotive 110VDC control circuits, and uses two sections Formula charge control mode gives lithium titanate battery group(2)Charging;
Step 2 passes through lithium titanate battery group(2), via DC-DC power module(3), the constant current using voltage follow or perseverance Work(charge control mode charges to super capacitor module, and persistently gives DC bus powered, output mid power electric energy;
Step 3 passes through super capacitor module(4), high-power power is released in circuit output port according to load characteristic;
Step 4 passes through system control module(5), control the DC-DC power module(1), the DC-DC power module(3) And DC-DC power module(6)Or DC-AC power modules(7)Operation, and lithium titanate battery described in coordinated allocation(2)With it is described Super capacitor module(4)Charging and discharging power and energy.
Control method according to claim, wherein the power bracket of the low-power energy is 0.5-2kW.
Control method according to claim, wherein the power bracket of the mid power electric energy is 5-15kW.
Control method according to claim, wherein the power bracket of the high-power power is 40-60kW.
The beneficial effects of the invention are as follows:
AC electric locomotive when driving, needs the short time to provide high-power power to locomotive traction motor, machine on straight track Vehicle traction electric machine generates enough staring torques, traction locomotive traveling.In locomotive continuous slow driving process, it is still desirable in Constant power electric energy supplies locomotive traction motor, maintains locomotive driving.But vacant position is narrow between existing AC electric locomotive machinery Small, the axis of entire locomotive controls strictly again, it is impossible to large-capacity battery group of the installation similar to diesel locomotive.It is of the present invention A kind of novel locomotive non-Electric region from traveling supply unit, super capacitor module and lithium titanate battery group are combined, can be with Meet AC electric locomotive short distance exporting in short-term when driving in non-Electric region is high-power, persistently output mid power electric energy is wanted It asks;Meanwhile entire supply unit can meet installation requirement between miniaturization, light-weighted AC electric locomotive machinery.It is described new Type locomotive non-Electric region is 1/6 or so of diesel locomotive accumulator group from the weight of traveling supply unit, and volume stores for diesel locomotive 1/5 or so of battery pack may be mounted at vacant position between AC electric locomotive machinery completely.
In general, it is not recommended that locomotive battery is used to provide electric energy for locomotive continuous slow traveling.Locomotive storage batteries Group provides the electric energy of mid power, will influence the service life of itself.Within the service life time limit, there are part aging or rings The too low reason of border temperature, locomotive battery cannot export the electric energy of mid power completely.
It compares existing super capacitor module to combine with locomotive storage batteries, super capacitor module combines more with lithium titanate battery Tool advantage.Lithium titanate battery group has good power density, energy density, low-temperature characteristics and long-life characteristics, is Novel machine Vehicle non-Electric region is from the ideal energy storage battery of traveling supply unit.
It is described for novel locomotive non-Electric region from the control method of traveling supply unit, step 2 and step 3 can be with It is performed simultaneously.Constant current or permanent work(charge control strategy of the charge mode of step 2 using voltage follow.When super in step 3 Grade electric capacity module(4)The high-power power output services stage of offer terminates and is converted to lithium titanate battery offer mid power electricity When can export, with DC-DC power module(3), super capacitor module(4)The DC bus-bar voltage of connection will not mutate, and It is that nature links up smoothly.Such charge control strategy load subsequent to output end is very friendly, and load below is avoided to control out Now fluctuate.
The novel locomotive non-Electric region of the present invention is mounted on from traveling supply unit on locomotive.Pass through the device, AC power Locomotive can also be travelled freely in non-Electric region, save a large amount of man power and material, improve service work efficiency.
Description of the drawings
Fig. 1 is the novel locomotive non-Electric region of the present invention from circuit theory Fig. 1 of traveling supply unit.1-DC-DC power source mould Block(1), 2-lithium titanate battery groups(2), 3-DC-DC power modules(3), 4-super capacitor modules(4), 5-systems control mould Block(5).
Fig. 2 is the novel locomotive non-Electric region of the present invention from circuit theory Fig. 2 of traveling supply unit.1-DC-DC power source mould Block(1), 2-lithium titanate battery groups(2), 3-DC-DC power modules(3), 4-super capacitor modules(4), 5-systems control mould Block(5), 6-DC-DC power modules(6).
Fig. 3 is the novel locomotive non-Electric region of the present invention from circuit theory Fig. 3 of traveling supply unit.1-DC-DC power source mould Block(1), 2-lithium titanate battery groups(2), 3-DC-DC power modules(3), 4-super capacitor modules(4), 5-systems control mould Block(5), 7-DC-AC power modules(7).
Fig. 4 is that the novel locomotive non-Electric region of the present invention joins from traveling supply unit and 6 axis AC Passenger Electric Locomotive circuits Connect schematic diagram 4.8-locomotive batteries switch(8), 9-novel locomotive non-Electric regions are from traveling supply unit(9), 10-locomotives Library change-over switch(10), 11-locomotive main inverters(11), 12-locomotive traction motors(12).
Fig. 5 is that the novel locomotive non-Electric region of the present invention joins from traveling supply unit and 8 axis AC freight electric locomotive circuits Connect schematic diagram 5.8-locomotive batteries switch(8), 9-novel locomotive non-Electric regions are from traveling supply unit(9), 10-locomotives Library change-over switch(10), 11-locomotive main inverters(11), 12-locomotive traction motors(12), 13-locomotive subordinate inverters (13).
Fig. 6 is the novel locomotive non-Electric region of the present invention from the control method block diagram of traveling supply unit.
Specific implementation mode
In order to keep the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with attached drawing to this hair Technical solution in bright embodiment carries out clear, complete description.The embodiment is a part of the embodiment of the present invention, without It is whole embodiments.Based on the embodiment of the present invention, those skilled in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the novel locomotive non-Electric region of the present invention from the main circuit of traveling supply unit by DC-DC power module (1), lithium titanate battery group(2), DC-DC power module(3)With super capacitor module(4)Circuit couples successively;System control electricity Road includes system control module(5), couple respectively with each module, battery pack, the control circuit of electric capacity module.Supply unit it is defeated Inbound port couples with locomotive 110VDC control circuits, and output port couples with locomotive shed change-over switch.
DC-DC power module(1)Main circuit using isolated form full-bridge inverting+full bridge rectifier topology, by capacitance, The compositions such as metal-oxide-semiconductor, isolating transformer, rectification diode, filter inductance;Control circuit uses monolithic microcomputer kernel circuit and simulation The compositions such as sampling, digital control circuit, pwm control circuit, PID control and communication control circuit.Microcontroller in house software controls Program samples voltage, the current value of input/output port, and compared with setting constant current or constant pressure numerical value, is digitized PID Adjustment calculates, and controls the duty ratio of PWM waveform, controls opening and turning off for metal-oxide-semiconductor on main circuit, reaches constant current or constant pressure is filled Electric control target.DC-DC power module(1)Internal control circuit passes through digital control circuit and communication control circuit and system control Molding block(5)Connection, by DC-DC power module(1)Information feed back to system control module(5), and receive system control mould Block(5)Control.
Lithium titanate battery group(2)It is formed by multiple lithium titanate batteries are monomer series-connected, and included voltage balance control circuit. The energy density of lithium titanate battery, safety, service life and low temperature charge-discharge performance are good, are novel locomotive non-Electric regions from walking The ideal energy storage battery of row supply unit.Since using small-power constant current, constant pressure two-period form charge control strategy, lithium titanate Battery cell charging voltage is harmonious very well.
DC-DC power module(3)Main circuit use multiplex BOOST circuit topologies, by capacitance, accumulation of energy inductance, The compositions such as IGBT power devices, resistance;Internal control circuit is using the analog quantity sampling based on DSP digital control chips, number The functional circuits compositions such as signal control, PWM controls, 485 communications.Main circuit multiple technology reduce inductance in single circuit, The design size and weight of capacitance are convenient for actual circuit space layout and the manufacturing.DSP digit chip in house softwares control journey Sequence samples voltage, the current value of input/output port, and is compared with setting constant current or permanent work(numerical value, is digitized PID Adjustment calculates, and controls the duty ratio of PWM waveform, controls opening and turning off for IGBT on main circuit, reaches constant current or permanent work(fills Electric control target.DC-DC power module(3)Internal control circuit by digital signal circuit and 485 communication control circuits be System control module(5)Connection, by DC-DC power module(3)Information feeds back to system control module(5), and receive system control Module(5)Control.
Super capacitor module(4)It is formed by more piece super capacitor is monomer series-connected, and included voltage balance control circuit.It is super The grade safety of capacitance, service life, power density and low temperature charge-discharge performance are good, are novel locomotive non-Electric regions from traveling electricity The desired electrical power output component of source device.
System control module(5)Control circuit using based on DSP digital control chips analog quantity sampling, digital signal The functional circuits such as control, PWM controls, 485 communications.System control module(5)Pass through analog quantity sample circuit, discrete control electricity Road, 485 communicating circuits and DC-DC power module(1), DC-DC power module(3), DC-DC power module(6), DC-AC power supplys Module(7)Couple respectively, control, each module of coordinated allocation, the charging of battery pack and electric capacity module, electric discharge work(are executed to each module It can conversion.System control module(5)Pass through analog quantity sample circuit, discrete control circuit and lithium titanate battery group(2), it is super Electric capacity module(4)Voltage balance control plate connection, the signal of receiving voltage Balance route plate, execute abnormal conditions failure protect Shield.
As shown in Figure 2, DC-DC power module(6)Internal structure and control mode and DC-DC power module(3)Substantially It is similar.Because output power compares DC-DC power module(3)It is much bigger, so DC-DC power module(6)Inside electric appliance The type selecting and DC-DC power module of element(3)It compares, technical parameter is much bigger.In addition, DC-DC power module(6)Inside is set It is equipped with pre-charge resistance, precharge can be executed to the load of output end.It is controlled in DSP digital control chip in house software programs Under, when each starting up, preferentially execute pre-charging functions.DSP digit chip in house softwares control program, sample input and output Voltage, the current value of port, and be compared with setting constant current or permanent work(numerical value, it is digitized PID adjustment and calculates, control The duty ratio of PWM waveform controls IGBT on main circuit and opening and turn off, and reaches constant pressure output control targe.DC-DC power source mould Block(6)Internal control circuit passes through digital signal circuit and 485 communication control circuits and system control module(5)Connection, by DC- DC power module(6)Information feeds back to system control module(5), and receive system control module(5)Control.
As shown in figure 3, DC-AC power modules(7)Inside main circuit be full bridge inverter;Internal control circuit is adopted With based on DSP digital control chips analog quantity sampling, Digital Signals, SPWM control, 485 communication etc. functional circuits group At.Under the control of DSP digital control chip in house software programs, when each starting up, soft start function is first carried out, it can be right The load of output end executes precharge.Under the control of DSP digital control chip in house software programs, sampling is inputted, is exported The voltage value of port, compared with the Isobarically Control value of actual set, by the operation of PID Controller subprogram, output is adjusted Entire signal controls subprogram to SPWM.SPWM controls subprogram, controls the change in duty cycle of SPWM waveforms, changes on main circuit Open and the turn-off time ratio of IGBT reaches constant pressure output control targe.DC-AC power modules(7)Internal control circuit passes through Digital signal circuit and 485 communication control circuits and system control module(5)Connection, by DC-AC power modules(7)Information is fed back To system control module(5), and receive system control module(5)Control.
As shown in Figure 4,5, novel locomotive non-Electric region passes through locomotive shed change-over switch from traveling supply unit(12)Access Main circuit of electric locomotive, couples or locomotive subordinate inverter with the DC support circuit of locomotive main inverter(13)Connection.Work as locomotive shed When being closed a floodgate with change-over switch, locomotive control display screen will be switched to locomotive shed motor-car Operation control interface.In locomotive display screen Observe that the capacitance of DC support circuit is charged in advance after 600VDC, 700VDC or three-phase 380VAC, locomotive is alleviated, and direction is stirred Speed increase in vehicle handle is toggled it to 1 gear by handle, and main circuit of electric locomotive contactor closes a floodgate, locomotive main inverter(11)Obtain electric power simultaneously To locomotive traction motor(12)Power supply, locomotive traction motor(12)Generate enough staring torque traction locomotives, locomotive The speed of 1-5km/h slowly travels.
The control method for novel locomotive non-Electric region from traveling supply unit of the present invention is as follows:
As shown in fig. 6, step 1:When novel locomotive non-Electric region starts operation from traveling supply unit, system control module(5)It is interior System program is run, first preset K=10, and passes to DC-DC power module by 485 communications(1).DC-DC power module(1) It is run according to internal single-chip microcomputer control program.The K values received are judged first;If K=10, continue to run down; Then module main circuit port is sampled(Vo、Vi、Io、Ii);If DC-DC power module(1)Main circuit output port Voltage Vo is more than protection threshold values V1, illustrates lithium titanate battery group(2)Electric there's plenty of it need not recharge, and K=20 are just arranged and hold Row overvoltage is alarmed, and is returned to K=10 and is judged that position, charging stop;If Vo is less than V1, continue to execute down;If Vo is less than V2 executes constant-current charge PID control program, returns to K=10 and judges position, cycle charging;If Vo is equal to or more than rated value V2 executes constant-voltage charge PID control program;When charging current Io is still above I1, returns to K=10 and judge position, continue cycling through Charging;When charging current Io is gradually reduced to be less than I1, preset K=20 return to K=10 and judge that position, charging stop.Control journey Preset K=20 in sequence, by communicating circuit, via system control module(5)Pass to DC-DC power module(3).
Step 2:Preset K=20 of step 1, via system control module(5)DC-DC power source mould is passed to by 485 communications Block(3).DC-DC power module(3)Internal dsp chip controls program, always circular flow.The K values received are carried out first Judge, if K=20, continues to run down;Program is controlled, analog sampling circuit port is sampled(Vo、Vi、Io、 Ii).If DC-DC power module(3)Main circuit input port voltage Vi is less than V3, illustrates lithium titanate battery group(2)Electricity is not K=10 are arranged in foot, return to K=10 and judge that position, charging stop;If Vi is more than V3, program continuation executes down;If DC-DC Power module(3)Main circuit output port voltage Vo is more than rated value V4, illustrates super capacitor module(4)It fills with, K is set =30, it returns to K=10 and judges that position, charging stop;If Vo is less than V4, constant-current charge PID control program is executed, K=10 is returned to and sentences Disconnected position, cycle charging.Preset K=30 in program are controlled, by communicating circuit, via system control module(5)Pass to DC- DC power module(6).
Step 3:Preset K=30 of step 2, via system control module(5)Rear stage load is passed to by 485 communications, Rear stage load can control super capacitor module(4)Short time output is high-power.Rear stage load can be that locomotive master is inverse Become device(11), DC-DC power module(6)Or DC-AC power modules(7).Such as:Rear stage load is DC-DC power module (6).DC-DC power module(6)Internal dsp chip controls program, always circular flow.The K values received are sentenced first It is disconnected, if K=30, continue to run down;Then analog sampling circuit port is sampled(Vo、Vi、Io、Ii);If electric Source module main circuit input port voltage Vi is less than V5, illustrates super capacitor module(4)Not enough power supply, setting K=20, return K= 10 judge that position, electric discharge stop;If Vi is more than V5, constant voltage discharge PID control program is executed, K=10 is returned to and judges position, follow Inscription of loop.Discharge the voltage exported, constant Vo=600 or 700VDC.Preset K=20 in program are controlled, by communicating circuit, via System control module(5)Pass to DC-DC power module(3).If rear stage load is DC-AC power modules(7), logic control Make it is same as above, but discharge output voltage be three-phase 380VAC.
Step 2 and step 3 may be performed simultaneously.DC-DC power module(3)、(6)Or DC-AC power modules(7)Respectively From can work independently.Work as system control module(5)K=20, K=30 are sent out respectively according to 485 addresses gives DC-DC power source Module(3), DC-DC module power source(6)Or DC-DC power module(3), DC-AC power modules(7)When, DC-DC power module (3), DC-DC power module(6)Or DC-DC power module(3), DC-AC power modules(7)It can work at the same time, mutually solely It is vertical.
Step 4:In novel locomotive non-Electric region from traveling supply unit, system control module(5)It is sampled by analog quantity Circuit, Digital Signals circuit and 485 communicating circuits, couple with the electric control circuit of each module, communicating circuit.System control Molding block(5), by 485 communicating circuits, K=10, K=20, K=30 or K=40 are transmitted to corresponding each module, control the automatic of each module Operation;It can also be in system control module(5)Man-machine interface on be manually entered K values and pass to phase by 485 communicating circuits Each module is answered, the operation of each module is controlled.

Claims (10)

1. novel locomotive non-Electric region is from traveling supply unit, including main circuit and system, control circuit;The main circuit include according to The DC-DC power module of secondary connection(1), lithium titanate battery group(2), DC-DC power module(3)And super capacitor module(4); The system, control circuit includes system control module(5);The system control module(5)With the DC-DC power module (1), lithium titanate battery group(2), DC-DC power module(3)And super capacitor module(4)Control circuit couple respectively.
Further include DC-DC power module 2. novel locomotive non-Electric region according to claim 1 is from traveling supply unit(6); The DC-DC power module(6)Main circuit input terminal and the DC-DC power module(1), lithium titanate battery group(2)、DC- DC power module(3), super capacitor module(4)Main circuit connection;The DC-DC power module(6)Main circuit output end Couple with locomotive shed change-over switch;The DC-DC power module(6)Control circuit and the system control module(5)Connection It connects.
3. novel locomotive non-Electric region according to claim 2 is from traveling supply unit, wherein the DC-DC power module (6)By the connection compatible with main circuit of electric locomotive of locomotive shed change-over switch, 600VDC or 700VDC is exported for voltage stabilizing, and it is existing The library of 6 axis high power AC Passenger Electric Locomotives is matched with motor-car circuit parameter.
4. novel locomotive non-Electric region according to claim 2 is from traveling supply unit, wherein the DC-DC power module (6)For to subsequently loading into line precharge.
Further include DC-AC power modules 5. novel locomotive non-Electric region according to claim 1 is from traveling supply unit(7); The DC-AC power modules(7)Main circuit input terminal and the DC-DC power module(1), lithium titanate battery group(2)、DC- DC power module(3), super capacitor module(4)Main circuit connection;The DC-AC power modules(7)Main circuit output end Couple with locomotive shed change-over switch;The DC-AC power modules(7)Control circuit and the system control module(5)Connection It connects.
6. novel locomotive non-Electric region according to claim 5 is from traveling supply unit, wherein the DC-AC power modules (7)By the connection compatible with its main circuit of electric locomotive of locomotive shed change-over switch, three-phase 380VAC is exported for voltage stabilizing, with existing 8 The library of axis high power AC freight electric locomotive is matched with motor-car circuit parameter.
7. including the following steps from the control method of traveling supply unit for novel locomotive non-Electric region:
Step 1 passes through DC-DC power module(1)Low-power energy is obtained from locomotive 110VDC control circuits, and uses two sections Formula charge control mode gives lithium titanate battery group(2)Charging;
Step 2 passes through lithium titanate battery group(2), via DC-DC power module(3), the constant current using voltage follow or perseverance Work(charge control mode charges to super capacitor module, and persistently gives DC bus powered, output mid power electric energy;
Step 3 passes through super capacitor module(4), high-power power is released in circuit output port according to load characteristic;
Step 4 passes through system control module(5), control the DC-DC power module(1), the DC-DC power module(3) And DC-DC power module(6)Or DC-AC power modules(7)Operation, and lithium titanate battery described in coordinated allocation(2)With it is described Super capacitor module(4)Charging and discharging power and energy.
8. control method according to claim 7, wherein the power bracket of the low-power energy is 0.5-2kW.
9. control method according to claim 7, wherein the power bracket of the mid power electric energy is 5-15kW.
10. control method according to claim 7, wherein the power bracket of the high-power power is 40-60kW.
CN201810481032.6A 2018-05-18 2018-05-18 Novel locomotive non-Electric region is from traveling supply unit and its control method Pending CN108657193A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532884A (en) * 2019-01-02 2019-03-29 中车株洲电力机车有限公司 A kind of electric locomotive onboard power system
CN111591148A (en) * 2020-04-24 2020-08-28 北京北交新能科技有限公司 Netless self-walking energy storage and bidirectional AC/DC converter system for rail transit
CN111907343A (en) * 2019-05-08 2020-11-10 株洲知未来科技有限公司 Novel locomotive multifunctional power supply device and fireless loopback power supply control method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245431A2 (en) * 2001-03-27 2002-10-02 General Electric Company Hybrid energy power management system and method
US20060127704A1 (en) * 2004-12-10 2006-06-15 Stephen Raiser Hybrid fuel cell system with battery capacitor energy storage system
CN203697980U (en) * 2013-11-28 2014-07-09 北车大连电力牵引研发中心有限公司 Urban railway vehicle traction system
CN104569691A (en) * 2015-01-27 2015-04-29 华北电力科学研究院有限责任公司 Parameter detection method and system for multi-type energy storage system
CN205681141U (en) * 2016-03-31 2016-11-09 株洲中达特科电子科技有限公司 A kind of Vehicular locomotive motor-car supply unit
WO2018020675A1 (en) * 2016-07-29 2018-02-01 日産自動車株式会社 Vehicle system
CN107738583A (en) * 2017-11-02 2018-02-27 株洲田龙铁道电气股份有限公司 A kind of electric locomotive non-Electric region mobile device and electric locomotive
CN107804326A (en) * 2017-11-07 2018-03-16 中车株洲电力机车有限公司 A kind of traction electric machine electric power system and electric locomotive power supply unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245431A2 (en) * 2001-03-27 2002-10-02 General Electric Company Hybrid energy power management system and method
US20060127704A1 (en) * 2004-12-10 2006-06-15 Stephen Raiser Hybrid fuel cell system with battery capacitor energy storage system
CN203697980U (en) * 2013-11-28 2014-07-09 北车大连电力牵引研发中心有限公司 Urban railway vehicle traction system
CN104569691A (en) * 2015-01-27 2015-04-29 华北电力科学研究院有限责任公司 Parameter detection method and system for multi-type energy storage system
CN205681141U (en) * 2016-03-31 2016-11-09 株洲中达特科电子科技有限公司 A kind of Vehicular locomotive motor-car supply unit
WO2018020675A1 (en) * 2016-07-29 2018-02-01 日産自動車株式会社 Vehicle system
CN107738583A (en) * 2017-11-02 2018-02-27 株洲田龙铁道电气股份有限公司 A kind of electric locomotive non-Electric region mobile device and electric locomotive
CN107804326A (en) * 2017-11-07 2018-03-16 中车株洲电力机车有限公司 A kind of traction electric machine electric power system and electric locomotive power supply unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532884A (en) * 2019-01-02 2019-03-29 中车株洲电力机车有限公司 A kind of electric locomotive onboard power system
CN111907343A (en) * 2019-05-08 2020-11-10 株洲知未来科技有限公司 Novel locomotive multifunctional power supply device and fireless loopback power supply control method thereof
CN111591148A (en) * 2020-04-24 2020-08-28 北京北交新能科技有限公司 Netless self-walking energy storage and bidirectional AC/DC converter system for rail transit

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Application publication date: 20181016