CN107554312A - Trailer system Poewr control method, device, system and rail vehicle - Google Patents
Trailer system Poewr control method, device, system and rail vehicle Download PDFInfo
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- CN107554312A CN107554312A CN201710841013.5A CN201710841013A CN107554312A CN 107554312 A CN107554312 A CN 107554312A CN 201710841013 A CN201710841013 A CN 201710841013A CN 107554312 A CN107554312 A CN 107554312A
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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
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- Y02T10/72—Electric energy management in electromobility
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Abstract
The present invention provides a kind of trailer system Poewr control method, device, system and rail vehicle, wherein, method includes：Obtain the power output of rectifier；Obtain the consumption power of AuCT in accessory system；According to the power output of the rectifier and the consumption power of the consumption power adjustment trailer system of AuCT, to ensure that the power output of the rectifier keeps constant.Trailer system Poewr control method, device, system and rail vehicle provided by the invention can solve the problem that the problem of power control mode is more complicated used by prior art.
Description
Technical field
The present invention relates to trailer system power control techniques, more particularly to a kind of trailer system Poewr control method, device,
System and rail vehicle.
Background technology
At present, rail vehicle is mainly divided into two kinds of diesel locomotive and electric locomotive, wherein, electric locomotive by pantograph from
Contact net power taking.Diesel locomotive is using internal combustion engine as power source, drives generator creating AC current, then will hand over using rectifier
Stream electricity is converted to direct current and is supplied to accessory system and trailer system to use.Trailer system includes：Traction convertor, traction electric machine
And direct current is converted to alternating current by transmission system, traction convertor, for driving traction electric machine and driving transmission system to rotate.
Accessory system includes：AuCT and auxiliary equipment, AuCT are used to direct current being converted to alternating current, to shine
The auxiliary equipments such as bright, air-conditioning are powered.Trailer system is the core system of rail vehicle, and carrying out Power Control to trailer system is also
One of core technology of rail vehicle.
At present, do not carry out Power Control to trailer system individually in diesel locomotive, but use total power to control
Mode, i.e., according to internal combustion engine auxiliary power, generator loss, traction convertor power attenuation, accessory system power, traction electric machine
The variables such as loss are controlled, and control purpose is that the power output for making internal combustion engine keeps constant.
Due to above-mentioned internal combustion engine auxiliary power, generator loss, traction convertor power attenuation, accessory system power, lead
It is uncertain variable quantity to draw the variables such as the loss of electric machine, above-mentioned each variable is carried out monitoring in real time not only need to set quantity compared with
More sensors, adds number of devices, also improves the difficulty of wiring and wiring, causes manufacturing cost higher, but also make
It is complex to obtain control algolithm, is easier to break down.
The content of the invention
The present invention provides a kind of trailer system Poewr control method, device, system and rail vehicle, for solving existing skill
The problem of power control mode is more complicated used by art.
First aspect present invention provides a kind of trailer system Poewr control method, including：
Obtain the power output of rectifier；
Obtain the consumption power of AuCT in accessory system；
The consumption power of trailer system is adjusted according to the consumption power of the power output of the rectifier and AuCT,
To ensure that the power output of the rectifier keeps constant.
Trailer system Poewr control method as described above, the power output of rectifier is obtained, including：
Acquisition is connected on the rectifier current output that the first current sensor of the rectifier output end collects；
Acquisition is connected in parallel on the rectifier output voltage that the first voltage sensor of the rectifier output end collects；
The power output of rectifier is calculated according to the rectifier current output and rectifier output voltage.
Trailer system Poewr control method as described above, obtain the consumption power of AuCT in accessory system, bag
Include：
Obtain and be connected on the AuCT input that the second current sensor of the AuCT input collects
Electric current；
Obtain and be connected in parallel on the AuCT input that the second voltage sensor of the AuCT input collects
Voltage；
The AuCT is calculated according to the AuCT input current and AuCT input voltage
Consumption power.
Second aspect of the present invention provides a kind of trailer system output control device, including：
Rectifier output power acquisition module, for obtaining the power output of rectifier；
AuCT consumes power acquisition module, for obtaining the consumption power of AuCT in accessory system；
Trailer system power regulation module, for the power output according to the rectifier and the consumption work(of AuCT
Rate adjusts the consumption power of trailer system, to ensure that the power output of the rectifier keeps constant.
Trailer system output control device as described above, the rectifier output power acquisition module, including：
Rectifier current output acquiring unit, the first current sensor of the rectifier output end is connected on for obtaining
The rectifier current output collected；
Rectifier output voltage acquiring unit, the first voltage sensor of the rectifier output end is connected in parallel on for obtaining
The rectifier output voltage collected；
Rectifier power output calculates unit, for according to the rectifier current output and rectifier output voltage calculating
Obtain the power output of rectifier.
Trailer system output control device as described above, the AuCT consume power acquisition module, including：
AuCT input current acquiring unit, the second electricity of the AuCT input is connected on for obtaining
The AuCT input current that flow sensor collects；
AuCT input voltage acquiring unit, the second electricity of the AuCT input is connected in parallel on for obtaining
The AuCT input voltage that pressure sensor collects；
AuCT consumes power calculation unit, for according to the AuCT input current and AuCT
The consumption power of the AuCT is calculated in input voltage.
Third aspect present invention provides a kind of trailer system power control system, including：It is rectifier power sampler, auxiliary
Help current transformer power collecting device and power control device；
The rectifier power sampler is connected to the output end of rectifier, for gathering the output work of the rectifier
Rate；The AuCT power collecting device is connected to the input of AuCT, for gathering the AuCT
Consumption power；The power control device respectively with the rectifier power sampler and AuCT power harvester
Part is connected, for the power output according to the rectifier and the consumption work(of the consumption power adjusting trailer system of AuCT
Rate, to ensure that the power output of the rectifier keeps constant.
Trailer system power control system as described above, the rectifier power sampler include the first current sense
Device and first voltage sensor；First current sensor is connected on the output end of the rectifier, and the first voltage passes
Sensor is connected in parallel on the output end of the rectifier.
Trailer system power control system as described above, the AuCT power collecting device include the second electric current
Sensor and second voltage sensor；Second current sensor is connected on the input of the AuCT, and described
Two voltage sensors are connected in parallel on the input of the AuCT.
Fourth aspect present invention provides a kind of rail vehicle, including：Trailer system power control system as described above.
Technical scheme provided by the invention, by obtaining the power output of rectifier and the consumption power of AuCT,
The consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure rectification
The power output of device keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectifier
The consumption power of power output and AuCT carries out Power Control, without considering as internal combustion engine aids in work(in the prior art
The variables such as rate, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, on the one hand reduce
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, and then
Reduce fault rate.
Brief description of the drawings
Fig. 1 is the flow chart for the trailer system Poewr control method that the embodiment of the present invention one provides；
Fig. 2 is the stream that rectifier power output is obtained in the trailer system Poewr control method that the embodiment of the present invention two provides
Cheng Tu；
Fig. 3 is to obtain AuCT in the trailer system Poewr control method that the embodiment of the present invention three provides to consume power
Flow chart；
Fig. 4 is the structural representation for the trailer system output control device that the embodiment of the present invention four provides；
Fig. 5 is rectifier output power acquisition module in the trailer system output control device that the embodiment of the present invention five provides
Structural representation；
Fig. 6 is that AuCT consumes power acquisition in the trailer system output control device that the embodiment of the present invention six provides
The structural representation of module；
Fig. 7 is the structural representation for the trailer system power control system that the embodiment of the present invention seven provides；
Fig. 8 is the structural representation for the trailer system power control system that the embodiment of the present invention eight provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
The present embodiment provides a kind of trailer system Poewr control method, can be applied in track train be used for trailer system
Power be controlled.This method can be performed by the power control device in trailer system power control system, can be adopted
Realized with the mode of software and/or hardware.Fig. 1 is the stream for the trailer system Poewr control method that the embodiment of the present invention one provides
Cheng Tu.As shown in figure 1, the trailer system Poewr control method that the present embodiment provides, including the following steps：
101st, power control device obtains the power output of rectifier.
The power output of rectifier is obtained, the device for being used for measuring power can be used to be arranged on the output end of rectifier and carried out
Measurement.Power control device is connected with for the device for measuring power, obtains the power output of rectifier.
102nd, power control device obtains the consumption power of AuCT in accessory system.
The consumption power of AuCT is obtained, the device for being used to measure power can be used to be arranged on the defeated of AuCT
Enter end to measure.Power control device is with for being connected with the device for measuring power, obtaining the consumption power of AuCT.
The order of above-mentioned steps 101 and step 102 need not simultaneously limit, and can first carry out step 101, then perform step
102；Step 102 can also be first carried out, then performs step 101.
103rd, power control device is according to the power output of rectifier and the consumption power adjustment traction system of AuCT
The consumption power of system, to ensure that the power output of rectifier keeps constant.
Because the power output of rectifier is provided only to trailer system and accessory system, therefore, the consumption work(of trailer system
The consumption power sum of rate and accessory system is equal to the power output of rectifier.
The consumption power moment of AuCT is changing, and calculates the power output of rectifier and the consumption of AuCT
The maximal input of difference between power, as trailer system.Trailer system can be adjusted, adjusted according to the difference
The consumption power and AuCT inverse variation of trailer system are saved, so that the power output of rectifier keeps constant.If auxiliary
The consumption power increase of current transformer, then need to reduce the consumption power of trailer system；If the consumption power of AuCT reduces,
The consumption power of trailer system need to be increased.The electric energy that receives due to track train from outside or by electric energy caused by internal combustion engine
Export to rectifier, it is ensured that the power output of rectifier keeps constant, also ensure that track train electric energy
Source power constant.
The mode for adjusting the consumption power of trailer system can be with adoption rate integral adjustment, specifically can be according to trailer system
Concrete composition and specification are set.
Power control device can be microprocessor of the prior art, controller etc., be realized by software programming above-mentioned
Function；The hardware circuit of response can also be built, realizes above-mentioned function.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Embodiment two
The present embodiment is on the basis of above-described embodiment, trailer system Poewr control method is optimized, especially
The mode for obtaining rectifier power output is further optimized.The method that the present embodiment provides can be by trailer system work(
Power control device in rate control system performs, and can be realized by the way of software and/or hardware.
Fig. 2 is the stream that rectifier power output is obtained in the trailer system Poewr control method that the embodiment of the present invention two provides
Cheng Tu.As shown in Fig. 2 above-mentioned steps 101 obtain the power output of rectifier, can specifically be realized using the following steps：
Step 1011, power control device obtain be connected on rectifier output end the first current sensor collect it is whole
Flow device output current.
Specifically, the output end of rectifier can be connected on using the first current sensor, for gathering the defeated of rectifier
Go out electric current.
Step 1012, power control device obtain be connected in parallel on rectifier output end first voltage sensor collect it is whole
Flow device output voltage.
Specifically, can use first voltage sensor parallel rectifier output end, for gathering the defeated of rectifier
Go out voltage.
The order of above-mentioned steps 1011 and step 1012 need not simultaneously limit, and can first carry out step 1011, then perform step
Rapid 1012；Step 1012 can also be first carried out, then performs step 1011.
Rectifier is calculated according to rectifier current output and rectifier output voltage in step 1013, power control device
Power output.
Power control device is connected with the first current sensor and first voltage sensor respectively, for obtaining rectifier
Output current and output voltage.Then, power control device is calculated whole according to the output current and output voltage of rectifier
Flow the power output of device.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Also, the output end that the present embodiment is connected on rectifier using the first current sensor is used to gather the defeated of rectifier
Go out electric current, the output voltage for being used to gather rectifier in the output end of rectifier using first voltage sensor parallel, then use
The power output of rectifier is calculated according to the output current and output voltage of rectifier for power control device.
Certainly, in addition to the above, directly power measurement device, such as power measurement instruments can also be used directly to survey
Measure the power output of rectifier.Power control device is connected with power measurement instruments, to obtain the power output of rectifier.
Embodiment three
The present embodiment is on the basis of above-described embodiment, trailer system Poewr control method is optimized, especially
The mode for obtaining AuCT consumption power is further optimized.The method that the present embodiment provides can be by traction system
Power control device in system power control system performs, and can be realized by the way of software and/or hardware.
Fig. 3 is to obtain AuCT in the trailer system Poewr control method that the embodiment of the present invention three provides to consume power
Flow chart.As shown in figure 3, above-mentioned steps 102 obtain the consumption power of AuCT, the following steps can be specifically used
To realize：
The second current sensor that step 1021, power control device acquisition are connected on AuCT input collects
AuCT input current.
Specifically, the second current sensor can be used to be connected on the input of AuCT, become for gathering auxiliary
Flow the input current of device.
The second voltage sensor that step 1022, power control device acquisition are connected in parallel on AuCT input collects
AuCT input voltage.
Specifically, can use second voltage sensor parallel AuCT input, for gather auxiliary become
Flow the input voltage of device.
The order of above-mentioned steps 1021 and step 1022 need not simultaneously limit, and can first carry out step 1021, then perform step
Rapid 1022；Step 1022 can also be first carried out, then performs step 1021.
Step 1023, power control device calculate according to AuCT input current and AuCT input voltage
To the consumption power of AuCT.
Power control device is connected with the second current sensor and second voltage sensor respectively, for obtaining auxiliary converter
The input current and input voltage of device.Then, power control device is according to the input current and input voltage meter of AuCT
Calculation obtains the consumption power of AuCT.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Also, the input that the present embodiment is connected on AuCT using the second current sensor is used to gather auxiliary change
The input current of device is flowed, is used to gather AuCT in the input of AuCT using second voltage sensor parallel
Input voltage, then auxiliary converter is calculated according to the input current and input voltage of AuCT using power control device
The input power of device.
Certainly, in addition to the above, directly power measurement device, such as power measurement instruments can also be used directly to survey
Measure AuCT input power (namely：Consume power).Power control device is connected with power measurement instruments, to obtain auxiliary
The power output of current transformer.
Example IV
Fig. 4 is the structural representation for the trailer system output control device that the embodiment of the present invention four provides.As shown in figure 4,
The present embodiment provides a kind of trailer system output control device, including：Rectifier output power acquisition module 41, AuCT
Consume power acquisition module 42 and trailer system power regulation module 43.
Wherein, rectifier output power acquisition module 41 is used for the power output for obtaining rectifier.AuCT consumes
Power acquisition module 42 is used for the consumption power for obtaining AuCT in accessory system.Trailer system power regulation module 43 is used
In the power output according to rectifier and the consumption power of the consumption power adjustment trailer system of AuCT, to ensure rectification
The power output of device keeps constant.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Embodiment five
Fig. 5 is rectifier output power acquisition module in the trailer system output control device that the embodiment of the present invention five provides
Structural representation.As shown in figure 5, above-mentioned rectifier output power acquisition module 41 specifically includes：Rectifier current output obtains
Unit 411, rectifier output voltage acquiring unit 412 and rectifier power output is taken to calculate unit 413.
Wherein, rectifier current output acquiring unit 411 is used to obtain the first electric current biography for being connected on rectifier output end
The rectifier current output that sensor collects.Rectifier output voltage acquiring unit 412 is connected in parallel on rectifier output for acquisition
The rectifier output voltage that the first voltage sensor at end collects.Rectifier power output calculates unit 413 and is used for according to whole
The power output of rectifier is calculated in stream device output current and rectifier output voltage.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Embodiment six
Fig. 6 is that AuCT consumes power acquisition in the trailer system output control device that the embodiment of the present invention six provides
The structural representation of module.As shown in fig. 6, above-mentioned AuCT consumption power acquisition module 42 specifically includes：Auxiliary converter
Device input current acquiring unit 421, AuCT input voltage acquiring unit 422 and AuCT consumption power calculation list
Member 423.
Wherein, AuCT input current acquiring unit 421, which is used to obtain, is connected on the of AuCT input
The AuCT input current that two current sensors collect.AuCT input voltage acquiring unit 422 is used to obtain
It is connected in parallel on the AuCT input voltage that the second voltage sensor of AuCT input collects.AuCT disappears
Consumption power calculation unit 423 is used to auxiliary change be calculated according to AuCT input current and AuCT input voltage
Flow the consumption power of device.
The technical scheme that the present embodiment provides, by obtaining the power output of rectifier and the consumption work(of AuCT
Rate, the consumption power of the consumption power adjustment trailer system of power output and AuCT further according to rectifier, to ensure
The power output of rectifier keeps constant, realizes and carries out Power Control to trailer system, and such scheme is only needed according to rectification
The power output of device and the consumption power of AuCT carry out Power Control, without considering as internal combustion engine aids in the prior art
The variables such as power, generator loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, are on the one hand reduced
The quantity of sensor, the difficulty of wiring or wiring is reduced, reduces manufacturing cost；On the other hand control algolithm is reduced, entered
And reduce fault rate.
Embodiment seven
Fig. 7 is the structural representation for the trailer system power control system that the embodiment of the present invention seven provides.As shown in fig. 7,
The trailer system power control system that the present embodiment provides, including：Rectifier power sampler 71, AuCT power are adopted
Collect device 72 and power control device (not shown).
Wherein, rectifier power sampler 71 is connected to the output end of rectifier 74, for gathering the defeated of rectifier 74
Go out power.AuCT power collecting device 72 is connected to the input of AuCT 75, for gathering AuCT
75 consumption power.Power control device respectively with rectifier power sampler 71 and AuCT power collecting device 72
It is connected, for the power output according to rectifier and the consumption power of the consumption power adjusting trailer system of AuCT, with
Ensure that the power output of rectifier 74 keeps constant.The consumption power of trailer system is adjusted, specifically can adoption rate integration control
To adjust the break-make frequency of switching device in traction convertor 76.
The implementation procedure of power control device can refer to above-described embodiment, and here is omitted.
In order to which the technical scheme provided the present embodiment is clearly explained, rectification is also illustrated in Fig. 7
The devices such as device, traction convertor and AuCT.
The technical scheme that the present embodiment provides, the output work of rectifier is gathered by using rectifier power sampler 71
Rate, using AuCT power collecting device 72 gather AuCT consumption power, using power control device according to
The consumption power of the power output of rectifier and the consumption power adjustment trailer system of AuCT, to ensure the defeated of rectifier
Go out power constant, realize and Power Control is carried out to trailer system, such scheme only needs the output work according to rectifier
The consumption power of rate and AuCT carries out Power Control, without considering such as internal combustion engine auxiliary power, generating in the prior art
The variables such as machine loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, on the one hand reduce sensor
Quantity, reduce the difficulty of wiring or wiring, reduce manufacturing cost；On the other hand control algolithm is reduced, and then reduced
Fault rate.
Embodiment eight
The present embodiment is on the basis of embodiment seven, and trailer system power control system is optimized.
Fig. 8 is the structural representation for the trailer system power control system that the embodiment of the present invention eight provides.As shown in figure 8,
Above-mentioned rectifier power sampler 71 specifically includes the first current sensor 711 and first voltage sensor 712.
Wherein, the first current sensor 711 is connected on the output end of rectifier 74, and first voltage sensor 712 is connected in parallel on rectifier 74
Output end.First current sensor 711 and first voltage sensor 712 are connected with power control device.
Above-mentioned AuCT power collecting device 72 includes the second current sensor 721 and second voltage sensor 722.
Wherein, the second current sensor 721 is connected on the input of AuCT 75, and second voltage sensor 722 is connected in parallel on auxiliary
The input of current transformer 75.Second current sensor 721 and second voltage sensor 722 are connected with power control device.
For using internal combustion engine as the rail vehicle of power source, in Fig. 7 and Fig. 8, the input of rectifier 74 and generating
Machine 77 is connected.The output end of traction convertor 76 is connected with traction electric machine 78.
The technical scheme that the present embodiment provides, the output work of rectifier is gathered by using rectifier power sampler 71
Rate, using AuCT power collecting device 72 gather AuCT consumption power, using power control device according to
The consumption power of the power output of rectifier and the consumption power adjustment trailer system of AuCT, to ensure the defeated of rectifier
Go out power constant, realize and Power Control is carried out to trailer system, such scheme only needs the output work according to rectifier
The consumption power of rate and AuCT carries out Power Control, without considering such as internal combustion engine auxiliary power, generating in the prior art
The variables such as machine loss, the loss of traction convertor power attenuation, accessory system power, traction electric machine, on the one hand reduce sensor
Quantity, reduce the difficulty of wiring or wiring, reduce manufacturing cost；On the other hand control algolithm is reduced, and then reduced
Fault rate.
, can also be in the input parallel connection Support Capacitor C of traction convertor 76, for whole as shown in figure 8, further
Flow the voltage that device 74 exports and carry out smothing filtering.
In order to reduce the dash current to Support Capacitor C, precharge can also be set in the input of traction convertor 76
Resistance R1.Specifically, one of input in traction convertor 76 concatenates first switch K1, pass through the logical of first switch K1
The signal input of disconnected control traction convertor 76.After being connected using second switch K1 with pre-charge resistance R1, then it is connected in parallel on first
Switch K1 both ends.
In addition, electric capacity discharge resistance R2 is also parallel with Support Capacitor C both ends, in Support Capacitor C discharge processes
The middle energy for absorbing Support Capacitor C.
Embodiment nine
The present embodiment provides a kind of rail vehicle, including：The traction system provided such as above-mentioned embodiment seven or embodiment eight
System power control system.
The technical scheme that the present embodiment provides, using above-mentioned trailer system power control system, by using rectifier work(
Rate sampler 71 gathers the power output of rectifier, and AuCT is gathered using AuCT power collecting device 72
Power is consumed, using power control device according to the power output of rectifier and the consumption power adjustment traction system of AuCT
The consumption power of system, to ensure that the power output of rectifier keeps constant, realize and Power Control is carried out to trailer system, it is above-mentioned
Scheme only needs to carry out Power Control according to the power output of rectifier and the consumption power of AuCT, without considering as existing
There are internal combustion engine auxiliary power in technology, generator loss, traction convertor power attenuation, accessory system power, traction electric machine damage
The variables such as consumption, on the one hand reduce the quantity of sensor, reduce the difficulty of wiring or wiring, reduce manufacturing cost；The opposing party
Face reduces control algolithm, and then reduces fault rate.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate with one another；Can be joined directly together, can also be indirectly connected by intermediary, can
To be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art,
The concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. trailer system Poewr control method, it is characterised in that including：Obtain the power output of rectifier；Obtain the consumption power of AuCT in accessory system；According to the power output of the rectifier and the consumption power of the consumption power adjustment trailer system of AuCT, with true The power output for protecting the rectifier keeps constant.
- 2. trailer system Poewr control method according to claim 1, it is characterised in that obtain the output work of rectifier Rate, including：Acquisition is connected on the rectifier current output that the first current sensor of the rectifier output end collects；Acquisition is connected in parallel on the rectifier output voltage that the first voltage sensor of the rectifier output end collects；The power output of rectifier is calculated according to the rectifier current output and rectifier output voltage.
- 3. trailer system Poewr control method according to claim 1, it is characterised in that obtain and aid in becoming in accessory system The consumption power of device is flowed, including：Acquisition is connected on the AuCT input current that the second current sensor of the AuCT input collects；Acquisition is connected in parallel on the AuCT input voltage that the second voltage sensor of the AuCT input collects；Disappearing for the AuCT is calculated according to the AuCT input current and AuCT input voltage Wasted work rate.
- A kind of 4. trailer system output control device, it is characterised in that including：Rectifier output power acquisition module, for obtaining the power output of rectifier；AuCT consumes power acquisition module, for obtaining the consumption power of AuCT in accessory system；Trailer system power regulation module, adjusted for the consumption power of the power output according to the rectifier and AuCT The consumption power of whole trailer system, to ensure that the power output of the rectifier keeps constant.
- 5. trailer system output control device according to claim 4, it is characterised in that the rectifier power output obtains Modulus block, including：Rectifier current output acquiring unit, the first current sensor collection of the rectifier output end is connected on for obtaining The rectifier current output arrived；Rectifier output voltage acquiring unit, the first voltage sensor collection of the rectifier output end is connected in parallel on for obtaining The rectifier output voltage arrived；Rectifier power output calculates unit, for being calculated according to the rectifier current output and rectifier output voltage The power output of rectifier.
- 6. trailer system output control device according to claim 4, it is characterised in that the AuCT consumes work( Rate acquisition module, including：AuCT input current acquiring unit, the second electric current that the AuCT input is connected on for obtaining pass The AuCT input current that sensor collects；AuCT input voltage acquiring unit, the second voltage that the AuCT input is connected in parallel on for obtaining pass The AuCT input voltage that sensor collects；AuCT consumes power calculation unit, for according to the AuCT input current and AuCT input The consumption power of the AuCT is calculated in voltage.
- A kind of 7. trailer system power control system, it is characterised in that including：Rectifier power sampler, AuCT Power collecting device and power control device；The rectifier power sampler is connected to the output end of rectifier, for gathering the power output of the rectifier； The AuCT power collecting device is connected to the input of AuCT, for gathering disappearing for the AuCT Wasted work rate；The power control device respectively with the rectifier power sampler and AuCT power collecting device phase Even, for the power output according to the rectifier and the consumption power of the consumption power adjusting trailer system of AuCT, To ensure that the power output of the rectifier keeps constant.
- 8. trailer system power control system according to claim 7, it is characterised in that the rectifier power collector Part includes the first current sensor and first voltage sensor；First current sensor is connected on the output of the rectifier End, output end of the first voltage sensor parallel in the rectifier.
- 9. trailer system power control system according to claim 7, it is characterised in that the AuCT power is adopted Collection device includes the second current sensor and second voltage sensor；Second current sensor is connected on the auxiliary converter The input of device, input of the second voltage sensor parallel in the AuCT.
- A kind of 10. rail vehicle, it is characterised in that including：Trailer system Power Control as described in claim any one of 7-9 System.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710841013.5A CN107554312A (en) | 2017-09-18 | 2017-09-18 | Trailer system Poewr control method, device, system and rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710841013.5A CN107554312A (en) | 2017-09-18 | 2017-09-18 | Trailer system Poewr control method, device, system and rail vehicle |
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| CN201710841013.5A Pending CN107554312A (en) | 2017-09-18 | 2017-09-18 | Trailer system Poewr control method, device, system and rail vehicle |
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| CN109586557A (en) * | 2018-12-14 | 2019-04-05 | 上海辛格林纳新时达电机有限公司 | A kind of frequency converter pre-charge system and frequency converter |
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