CN110212432A - A kind of EMU inversion is comprehensive for electric car - Google Patents
A kind of EMU inversion is comprehensive for electric car Download PDFInfo
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- CN110212432A CN110212432A CN201910465548.6A CN201910465548A CN110212432A CN 110212432 A CN110212432 A CN 110212432A CN 201910465548 A CN201910465548 A CN 201910465548A CN 110212432 A CN110212432 A CN 110212432A
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- 101100346177 Arabidopsis thaliana MORC5 gene Proteins 0.000 claims abstract description 18
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- 101100346171 Arabidopsis thaliana MORC3 gene Proteins 0.000 claims abstract description 11
- 101100168604 Candida albicans (strain SC5314 / ATCC MYA-2876) CRH12 gene Proteins 0.000 claims abstract description 11
- 101100168607 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) UTR2 gene Proteins 0.000 claims abstract description 11
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- 238000004378 air conditioning Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/52—Mobile units, e.g. for work sites
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Abstract
It is comprehensive for electric car that the invention discloses a kind of EMU inversions, it is characterised in that: is formed by carrying mobile battery truck and power supply device cabinet body, the setting of power supply device cabinet body is on carrying mobile battery truck；Low-voltage distribution system, inverter power supply device, CUP master control system, touch screen TT&C system, switching and interlock system, the input and output connection cables comprising connector are provided in power supply device cabinet body；CRH1 of the present invention mainly to run online at present, CRH2, CRH3, CRH5, CR mark moves various EMU one of which power supply as input power, pass through intelligent control, handoff technique, input power is converted into other each vehicles and needs power supply type, and it is sent by special connector to Awaiting Overhaul vehicle, complete the short marshalling ancillary terrestrial power supply of an EMU, MTU depot can effectively be reduced or Motor Car Institute checks storehouse interior power socket box, the material cost of connection cables, construction cost, a kind of economic and practical EMU power supply plan is provided for MTU depot or Motor Car Institute.
Description
Technical field
The invention belongs to the interim emergency service fields of EMU, and in particular to a kind of EMU inversion is comprehensive for electric car, is
Motor-car moves various EMU with CRH1, CRH2, CRH3, CRH5, CR mark in institute and carries out the comprehensive power supply of interim emergency.
Background technique
EMU needs to drive into MTU depot after high-speed cruising completes traveling task or Motor Car Institute checks that library is reorganized and outfit, examined
It repairs.Due to bullet train, manufacturing works are more, and vehicle is many kinds of, at present main online operation EMU include CRH1 type,
CRH2 type, CRH3 type, CRH5 type and CR mark the vehicles such as dynamic, wherein being divided into long marshalling (16 section compartment), short marshalling (8 section vehicles again
Compartment), various bullet train power supply parameter, power supply connecting socket model, supply terminals position, various socket box configure quantity
It is not quite similar, constrains check the reorganizing and outfit of bullet train, shooting convenience in library to a certain extent.
Most of motor-cars are with EMU ground power supply unit is equipped in checked library at present, for when top in library
Contact net is that EMU to be checked is powered without electric interim emergency, and there is certain limitations for current emergency service mode.
Limitation is presented with:
1, system composition is huge, cost of investment is high.Vehicle is various at present, and is divided into long marshalling and short marshalling, various height
Fast passenger train power supply parameter, power supply connecting socket model, supply terminals position are also not quite similar, system composition is huge, investment at
This height.
2, difficulty of construction is big, long in time limit.Various socket box need to be installed on according to actual needs below every maintenance track bridge,
Embedding pipe fittings etc. need to be shifted to an earlier date when construction and installation, and main cables and controlling cable are laid to various socket box, construction peace by power supply box
It is big, long in time limit to fill difficulty, engineering cost is high.
3, utilization rate is lower.For only making after the completion of the EMU ground power supply unit construction of current emergency service
For a kind of spare emergent power source, utilization rate is low, causes a degree of wasting of resources.
Summary of the invention
For at least one of prior art the above defects or improvement requirements, the present invention provides a kind of EMU inversions
Synthesis is moved various EMU one of which with CRH1, CRH2, CRH3, CRH5, CR mark mainly runed online at present and is supplied for electric car
Input power is converted into other each vehicles and needs electricity of powering by power supply as input power by intelligent control, handoff technique
Source Type, and given by special connector to Awaiting Overhaul vehicle, the short marshalling ancillary terrestrial power supply of an EMU is completed, it can be effective
Reduction MTU depot or Motor Car Institute check storehouse interior power socket box, the material cost of connection cables, construction cost, be MTU depot or
Motor Car Institute provides a kind of economic and practical EMU power supply plan.
To achieve the above object, according to one aspect of the present invention, it is comprehensive for electric car to provide a kind of EMU inversion, by
Mobile battery truck and power supply device cabinet body composition are carried, the power supply device cabinet body setting is in the mobile battery truck of the carrying；
Low-voltage distribution system, inverter power supply device, CUP master control system, touch screen are provided in the power supply device cabinet body
TT&C system, switching and interlock system, the input connection cables comprising connector and output connection cables；
The input connection cables are various dynamic for that will move including CRH1 type, CRH2 type, CRH3 type, CRH5 type and CR mark
One of the respective different single phase alternating current power supply of vehicle group power supply accesses the power supply device cabinet body as input power
In low-voltage distribution system；
The low-voltage distribution system is introduced for external single phase alternating current power supply, and provides short circuit, overcurrent, overvoltage/undervoltage, element
Overheating protection and fault alarm；
The inverter power supply device includes input rectifying filtering system, high power contravariant system；The input rectifying filtering
System forms stable DC source to the carry out rectifying and wave-filtering Jing Guo the low-voltage distribution system；The high power contravariant system
The DC power supply of introducing is reverse into three-phase standard sine wave AC power source by system, by the output connection cables, in addition to making
For the short marshalling ancillary terrestrial power supply of other vehicle EMU outside the vehicle of input power；
The CUP master control system monitors the operating status of the inverter power supply device in real time, dynamic according to collected data
State adjusts output voltage, it is ensured that power supply, which exports, stablizes constant voltage constant frequency sinusoidal pulse width modulation voltage；
The touch screen TT&C system is used to show the data of CUP master control system acquisition, and provides command input；
The switching and interlock system are that the short marshalling of other vehicle EMU other than the vehicle as input power is auxiliary
It helps surface power supply offer to switch each other, and using the auxiliary contact reciprocal interlocking of breaker, not can be used simultaneously, realize each vehicle
EMU safe power supply.
Preferably, it is that the EMU inversion is comprehensive with the single-phase AC400V AC power source of CRH2 type power socket box output to supply
The input power of electric car is that the short marshalling of other vehicle EMU including CRH1 type, CRH3 type, CRH5 type and CR mark including dynamic is auxiliary
Help surface power supply.
Preferably, introducing of the low-voltage distribution system for external single-phase AC400V AC power source, uses an open circuit
Device, and double shielding is carried out by fastp-acting fuse, current sensor, complete major loop distribution；The breaker with overcurrent,
Over-voltage, short-circuit protection circuit.
Preferably, the input rectifying filtering system of the inverter power supply device selects single phase bridge type rectifier circu to carry out whole
Stream, is rectified into DC power supply for single phase ac AC400V input power, using being filtered into stable DC source.
Preferably, the high power contravariant system of the inverter power supply device is made of three-phase inversion main circuit, every phase inversion
Main circuit is symmetrically consistent, successively includes input filter circuit, inversion bridge circuit, output Shaping filter circuit.
Preferably, the input filter circuit is made of four capacitors in parallel again of connecting two-by-two, for filtering out input electricity
The ripple of pressure keeps DC voltage steady when the load；And four capacitors are all made of high-voltage electrolytic capacitor, mention for moment
For High-current output, to guarantee that busbar voltage is not dragged down by instantaneous large-current.
Preferably, the inversion bridge circuit is the single-phase bridge inverter main circuit being made of 6 groups of high-power IGBT modules,
Using the full-bridge IGBT inverter circuit of H bridge topological structure, every phase can free band carry, adapt to the complete unbalanced load of three-phase；By
SPWM drive circuit unit generates drive waveforms, by scheduled timing, each IGBT of respective drive；
Meanwhile there is the protection sensor protected including overheat protector, protecting against shock to be protected, each protection sensor takes
Sample signal is sent to the CUP master control system, judges whether current operation is normal by the CUP master control system.
Preferably, the output Shaping filter circuit is under the modulation of the CUP master control system by the inversion bridge-type electricity
The SPWM waveform of road output becomes pure sine wave, exports a stable three-phase alternating current AC400V voltage, avoids harmonic wave pair
EMU electrical equipment causes to damage.
Preferably, the operating status that the CUP master control system monitors the inverter power supply device in real time generates control signal
With SPWM sinewave modulation signal, procedure regulation is realized, data acquisition, conversion and data communication have input, output control,
Parameter setting, failure protection function.
Preferably, the input connection cables are furnished with YC2XB type socket；
The output connection cables have two groups, and one group uses KC20A plug, for connecting CRH1 type and CRH5 type motor-car
Group；Another group uses 75016 type plugs, marks ejector half EMU for connecting CRH3 type and CR.
Above-mentioned preferred feature can be combined with each other as long as they do not conflict with each other.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have below beneficial to effect
Fruit:
1, EMU inversion of the invention is comprehensive for electric car, with mainly run online at present CRH1, CRH2, CRH3,
CRH5, CR mark move various EMU one of which power supply will be defeated by intelligent control, handoff technique as input power
Enter power supply and be converted into other each vehicles to need power supply type, and sent by special connector to Awaiting Overhaul vehicle, completes one
A short marshalling ancillary terrestrial power supply of EMU, can effectively reduce MTU depot or Motor Car Institute checks storehouse interior power socket box, connection
The material cost of cable, construction cost provide a kind of economic and practical EMU power supply plan for MTU depot or Motor Car Institute.
2, using intelligentized control method, SPWM modulation control technology, by cross-straight-intersection technological means, by single-phase AC400V electricity
Source is converted into the three-phase AC400V power supply that the distortion factor is low, waveform is pure, and the spy of load good compatibility strong with load capacity
Point.
3, device is also equipped with the particularity of suitable environment other than power demands to be met, have it is high-efficient, light-weight,
The features such as small in size, easy to operate, easy to remove, can provide the economic and practical EMU of one kind and answer for MTU depot or Motor Car Institute
The capital investment of emergency service is reorganized and outfit, overhauled to anxious power supply plan, effective reduction MTU depot or Motor Car Institute EMU.
4, each vehicle power supply unit has switching and interlock function, realizes various EMU safe power supply.
5, using touch screen as display terminal, full Chinese display, man-machine interface is friendly, can the real-time display device operation letter
Breath, fault message there is parameter to show, store, query function.
6, the device is provided with data conversion storage interface, has scalability and upgradability, to adapt to system upgrade and management
Demand.
7, design has over-voltage, overcurrent, short circuit, the perfect protection and warning function such as overheat, it is ensured that system safety operation.
Detailed description of the invention
Fig. 1 is the mobile battery truck schematic diagram of the comprehensive carrying for electric car of EMU inversion of the invention；
Fig. 2 is the left view of the comprehensive power supply device cabinet body for electric car of EMU inversion of the invention；
Fig. 3 is the right view of the comprehensive power supply device cabinet body for electric car of EMU inversion of the invention；
Fig. 4 is the rearview of the comprehensive power supply device cabinet body for electric car of EMU inversion of the invention；
Fig. 5 is the top view of the comprehensive power supply device cabinet body for electric car of EMU inversion of the invention；
Fig. 6 is the major loop schematic diagram of the comprehensive inverter power supply device for electric car of EMU inversion of the invention；
Fig. 7 is the partial enlarged view of input rectifying filtering system in Fig. 6；
Fig. 8 is the partial enlarged view of high power contravariant system in Fig. 6；
Fig. 9 is the partial enlarged view of inversion bridge circuit in Fig. 6；
Figure 10 is the partial enlarged view of output Shaping filter circuit in Fig. 6；
Figure 11 is the comprehensive control flow chart for electric car of EMU inversion of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.The present invention is described in more detail With reference to embodiment.
As a kind of better embodiment of the invention, as shown in figs. 1-11, it is comprehensive that the present invention provides a kind of EMU inversion
It closes for electric car, is formed by carrying mobile battery truck (as shown in Figure 1) and power supply device cabinet body (as shown in Figure 2-5), the power supply
The setting of device cabinet body is in the mobile battery truck of the carrying.To adapt to site examining and repairing, comprehensive use for electric car of EMU inversion is moved
Dynamic formula structure, using green, environmentally friendly battery truck as load bearing equipment, convenient check in library in motor-car moves freely, can quickly support
Up to operation field.
Low-voltage distribution system, inverter power supply device, CUP master control system, touch screen are provided in the power supply device cabinet body
TT&C system, switching and interlock system, the input connection cables comprising connector and output connection cables.
The input connection cables are various dynamic for that will move including CRH1 type, CRH2 type, CRH3 type, CRH5 type and CR mark
One of the respective different single phase alternating current power supply of vehicle group power supply accesses the power supply device cabinet body as input power
In low-voltage distribution system.
The present embodiment is comprehensive for the EMU inversion with the single-phase AC400V AC power source that CRH2 type power socket box exports
It is other short marshallings of vehicle EMU including CRH1 type, CRH3 type, CRH5 type and CR mark including dynamic for the input power of electric car
Ancillary terrestrial power supply.
The input connection cables are furnished with YC2XB type socket；The output connection cables have two groups, and one group uses KC20A
Plug, for connecting CRH1 type and CRH5 EMUs；Another group uses 75016 type plugs, marks for connecting CRH3 type and CR
Ejector half EMU.Each vehicle EMU power supply of CRH1, CRH3, CRH5, CR can be covered using 2 groups of output connection cables, not only
Connection cable economic cost expense is greatly reduced, while reducing vehicle multifunction EMU ground power supply dress volume
And weight, effectively improve the comprehensive convenience used for electric car of the motor-car inversion.
The low-voltage distribution system is mainly used for the introducing of external single-phase AC400V AC power source, disconnected using 1 high-performance
Road device (band overcurrent, over-voltage, short-circuit protection), and bilayer is carried out by the various protection circuits such as fastp-acting fuse, current sensor
Major loop distribution is completed in protection, and 0.5 grade of transformer precision, with voltage, current detecting and items protect circuit, have short circuit, mistake
Stream, overvoltage/undervoltage, element over-temperature protection and warning function.
As shown in fig. 6, the inverter power supply device includes input rectifying filtering system, high power contravariant system.
The input rectifying filtering system selects single phase bridge type rectifier circu to be rectified, and single phase ac AC400V is inputted
Power rectifier is at DC power supply, by being filtered into stable DC source.Input rectifying filtering principle figure is shown in such as Fig. 7.
As shown in figure 8, the high power contravariant system is made of three-phase inversion main circuit, every phase inverter main circuit is completely right
Claim unanimously, successively includes input filter circuit, inversion bridge circuit (by taking IGBT1-IGBT6 as an example), output Shaping filtered electrical
Road.
The input filter circuit is made of four capacitors in parallel again of connecting two-by-two, and major function is to filter out input electricity
The ripple of pressure keeps DC voltage steady when the load.It is starting moment, defeated herein because considering that institute's bringing onto load has inductive load
Electric current is very big out.Therefore, using high-voltage electrolytic capacitor, High-current output can be provided with moment.To guarantee busbar voltage not
It is dragged down by instantaneous large-current.
As shown in figure 9, the inversion bridge circuit is the core of the power supply device, by 6 groups of high-power Infineon IGBT moulds
The single-phase bridge inverter main circuit of block composition, using the full-bridge IGBT inverter circuit of H bridge topological structure, every phase can free band carry,
The complete unbalanced load of three-phase is adapted to, degree of unbalancedness is up within 3%；Drive waveforms are generated by SPWM drive circuit unit, are pressed
Certain timing, each IGBT of respective drive.Meanwhile perfect protection location is protected, such as overheat protector, protecting against shock protection
Deng.Each protection sensor sampled signal is sent to CUP master control system, judges whether current operation is normal by CUP master control system.
IGBT has good high-speed switch, the working characteristics of high voltage and high current；It is driven using voltage-type, it is only necessary to
The control power of very little, work efficiency is high (low-loss and lower calorific value), and driving circuit miniaturization, high reliability is particularly suitable for
In inverter working environment.The present invention selects import brand product, is made of 6 groups of Infineon FF450R12KT4, every IGBT
Module can reach 450A, it can be ensured that power supply be used for a long time operating condition under output-current rating 227A, meet CRH1, CRH3, CRH5,
Mark the short marshalling ancillary terrestrial power supply of dynamic one EMU of CR type, electrical equipment is reorganized and outfit on completion vehicle, is completed by current supply circuit
Charging to battery.
Due to designing using foregoing circuit, make the motor-car inversion is comprehensive to can adapt to wanting for wide range input for electric car
It asks, it is ensured that using safe and stable.
As shown in Figure 10, it to guarantee that the power supply device can export a stable three-phase alternating current AC400V voltage, avoids
Harmonic wave causes to damage to EMU electrical equipment, and output Shaping filter circuit is added in every phase output AC400V voltage front end, main
If the SPWM waveform that inversion system exports is become pure sine wave, damage of the harmonic wave to electrical equipment is advantageously reduced,
Extend electrical equipment service life, improves inverter and export capacity usage ratio.
The CUP master control system is the core of control system, monitors inverter power supply device operating status in real time, is generated
Associated control signal and SPWM sinewave modulation signal, realize procedure regulation, and data acquisition, conversion and data communication have defeated
Enter, export control, parameter setting, the functions such as error protection.Its main defencive function has: overvoltage protection, under-voltage protection, overcurrent
Protection, overload protection, overheating protection, short-circuit protection have the function of to power on identification, emergency stop control etc..For EMU air-conditioning system
The inductive loads properties such as equipment of uniting, device use SPWM sine wave modulation and PID process control, reach frequency modulation, pressure regulation, and output is fast
The purpose of speed response.
As shown in figure 11, control flow are as follows: single phase ac AC400V is converted after low-voltage distribution system by rectifier bridge
It is loaded on IGBT device for power switching after filter capacitor filters again at direct current by resistance.Single phase ac input electricity
Source provides power supply to control circuit CPU and IGBT driving board through power panel transformation.Driving plate opens/disabling pulse to IGBT transmission
Signal makes IGBT under inverter control circuit control, by setup program correct conducting and shutdown.Each portion of detection circuit real-time monitoring
Divide output parameter and feed back to CUP master control system, CUP master control system is according to collected data by program dynamic regulation output electricity
Pressure, it is ensured that power supply export stablize constant voltage constant frequency sinusoidal pulse width modulation voltage, using filter circuit be transformed to pure 50Hz,
AC400V AC power source of sine wave can satisfy CRH1, CRH3, CRH5 and mark the dynamic short marshalling ancillary terrestrial of one EMU of CR type
Power supply is completed electrical equipment on vehicle and is reorganized and outfit, completes the charging to battery by current supply circuit.System designs simultaneously input
Over-voltage, under-voltage, output overvoltage, overcurrent, short circuit, the defencive functions such as overheat, it is ensured that system safety operation.
The touch screen TT&C system is used to show the data of CUP master control system acquisition, and provides command input.With touching
Touching screen is display terminal, and full Chinese display, man-machine interface is friendly, can the real-time display device operation information, fault message, tool
There is parameter to show, store, query function.
The switching and interlock system are that the short marshalling of other vehicle EMU other than the vehicle as input power is auxiliary
Surface power supply offer is helped to switch each other, each power supply unit output interlocking of CRH1, CRH3, CRH5, CR not can be used simultaneously, and realize
Each vehicle EMU safe power supply.Interlocking uses the auxiliary contact reciprocal interlocking of breaker, stablizes, is reliable, when one of electricity
When source powers, remaining 3 kinds of power supply is not turned on, and reaches interlocking purpose.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of EMU inversion is comprehensive for electric car, it is characterised in that: it is formed by carrying mobile battery truck and power supply device cabinet body,
The power supply device cabinet body setting is in the mobile battery truck of the carrying；
Low-voltage distribution system, inverter power supply device, CUP master control system, touch screen observing and controlling are provided in the power supply device cabinet body
System, switching and interlock system, the input connection cables comprising connector and output connection cables；
The input connection cables will be for that will include that CRH1 type, CRH2 type, CRH3 type, CRH5 type and CR mark dynamic various EMU
One of respective different single phase alternating current power supply power supply as input power, access in the power supply device cabinet body
Low-voltage distribution system；
The low-voltage distribution system is introduced for external single phase alternating current power supply, and provides short circuit, overcurrent, overvoltage/undervoltage, element over-temperature
Protection and fault alarm；
The inverter power supply device includes input rectifying filtering system, high power contravariant system；The input rectifying filtering system
To the carry out rectifying and wave-filtering Jing Guo the low-voltage distribution system, stable DC source is formed；The high power contravariant system will
The DC power supply of introducing is reverse into three-phase standard sine wave AC power source, by the output connection cables, in addition to as defeated
Enter the short marshalling ancillary terrestrial power supply of other vehicle EMU outside the vehicle of power supply；
The CUP master control system monitors the operating status of the inverter power supply device in real time, adjusts according to collected data dynamic
Save output voltage, it is ensured that power supply, which exports, stablizes constant voltage constant frequency sinusoidal pulse width modulation voltage；
The touch screen TT&C system is used to show the data of CUP master control system acquisition, and provides command input；
The switching and interlock system, which are that other vehicle EMU other than the vehicle as input power are short, organizes into groups auxiliarily
Face power supply provides to be switched each other, and using the auxiliary contact reciprocal interlocking of breaker, not can be used simultaneously, realized each vehicle motor-car
Group safe power supply.
2. EMU inversion as described in claim 1 is comprehensive for electric car, it is characterised in that:
Single-phase AC400V AC power source with the output of CRH2 type power socket box is the comprehensive input for electric car of the EMU inversion
Power supply is to supply including other vehicle EMU short marshalling ancillary terrestrial of CRH1 type, CRH3 type, CRH5 type and the CR mark including dynamic
Electricity.
3. EMU inversion as claimed in claim 2 is comprehensive for electric car, it is characterised in that:
Introducing of the low-voltage distribution system for external single-phase AC400V AC power source, using a breaker, and by fast
Fast fuse, current sensor carry out double shielding, complete major loop distribution；The breaker is protected with overcurrent, over-voltage, short circuit
Protection circuit.
4. EMU inversion as claimed in claim 3 is comprehensive for electric car, it is characterised in that:
The input rectifying filtering system of the inverter power supply device selects single phase bridge type rectifier circu to be rectified, by single phase ac
AC400V input power is rectified into DC power supply, using being filtered into stable DC source.
5. EMU inversion as claimed in claim 4 is comprehensive for electric car, it is characterised in that:
The high power contravariant system of the inverter power supply device is made of three-phase inversion main circuit, every phase inverter main circuit symmetrical one
It causes, successively includes input filter circuit, inversion bridge circuit, output Shaping filter circuit.
6. EMU inversion as claimed in claim 5 is comprehensive for electric car, it is characterised in that:
The input filter circuit is made of four capacitors in parallel again of connecting two-by-two, for filtering out the ripple of input voltage, when
When load variation, keep DC voltage steady；And four capacitors are all made of high-voltage electrolytic capacitor, it is defeated to provide high current for moment
Out, to guarantee that busbar voltage is not dragged down by instantaneous large-current.
7. EMU inversion as claimed in claim 5 is comprehensive for electric car, it is characterised in that:
The inversion bridge circuit is the single-phase bridge inverter main circuit being made of 6 groups of high-power IGBT modules, using H bridge topology
The full-bridge IGBT inverter circuit of structure, every phase can free band carry, adapt to the complete unbalanced load of three-phase；By SPWM driving circuit list
Member generates drive waveforms, by scheduled timing, each IGBT of respective drive；
Meanwhile there is the protection sensor protected including overheat protector, protecting against shock to be protected, each protection sensor sampling letter
It number send to the CUP master control system, judges whether current operation is normal by the CUP master control system.
8. EMU inversion as claimed in claim 7 is comprehensive for electric car, it is characterised in that:
The output Shaping filter circuit is under the modulation of the CUP master control system by the SPWM of the inversion bridge-type circuit output
Waveform becomes pure sine wave, exports a stable three-phase alternating current AC400V voltage, harmonic wave is avoided to set EMU electricity consumption
It is standby to cause to damage.
9. EMU inversion as claimed in claim 7 is comprehensive for electric car, it is characterised in that:
The operating status that the CUP master control system monitors the inverter power supply device in real time generates control signal and SPWM sine wave
Modulated signal, realizes procedure regulation, and data acquisition, conversion and data communication have input, output control, parameter setting, failure
Defencive function.
10. EMU inversion as claimed in claim 2 is comprehensive for electric car, it is characterised in that:
The input connection cables are furnished with YC2XB type socket；
The output connection cables have two groups, and one group uses KC20A plug, for connecting CRH1 type and CRH5 EMUs；Separately
One group uses 75016 type plugs, marks ejector half EMU for connecting CRH3 type and CR.
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| CN110212432B (en) | 2023-12-15 |
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