CN110460249A - A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion - Google Patents
A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion Download PDFInfo
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- CN110460249A CN110460249A CN201910733481.XA CN201910733481A CN110460249A CN 110460249 A CN110460249 A CN 110460249A CN 201910733481 A CN201910733481 A CN 201910733481A CN 110460249 A CN110460249 A CN 110460249A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
- H02M5/12—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers for conversion of voltage or current amplitude only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
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Abstract
The invention discloses a kind of 24 pulse wave rectifier tractive power supply systems of magnetic integrated form for electric propulsion, the rectifier transformer and four three-phase bridge diode rectifiers integrated including one using 24 pulse wave magnetic of alternating expression winding arrangement, four groups of three-phases output windings of rectifier transformer are connected with the three-phase input end of four bridge diode rectifiers respectively.Head end simultaneously using the integrated rectifier transformer Shang Qiao of 24 pulse wave magnetic of alternating expression winding arrangement and lower bridge input three-phase windings is successively in parallel, three-phase input end as 24 pulse wave rectifier tractive power supply system of magnetic integrated form, the output end parallel running of four bridge diode rectifiers, as 24 pulse wave rectifier tractive power supply system DC output end of magnetic integrated form, steady dc voltage is provided for electric propulsion system.The present invention effectively improves net side, the DC side power quality of rectification tractive power supply system, while can substantially reduce power supply system volume, weight, reduces system cost, reduces the complexity of Joining Technology.
Description
Technical field
The present invention relates to electromagnetic technique, commutation technique and tractive power supply system technical fields, and in particular to one kind is for electricity
Push into 24 pulse wave tractive power supply system of magnetic integrated form.
Background technique
As a ring important in electric propulsion system, the AC conversion that tractive power supply system generates generator is rectified
For direct current, stable and high-quality electric energy is provided for electric propulsion apparatus.But it compared with traditional rectifier power system, is used for
Working environment locating for electric propulsion rectification tractive power supply system is more severe, is usually applied to marine propuision system, subway column
Vehicle trailer system, ocean platform drive system etc..Such station capacity is relatively small simultaneously, the confession to rectification tractive power supply system
More stringent requirements are proposed for electric quality and safe operation.On the other hand, in narrow power supply space system electrical equipment spacing
From shorter, cause equipment room to influence each other degree aggravation, also compel the equipment for the rectification tractive power supply system for being used in electric propulsion
To lightweight, integrated-type development and upgrading.Further, since ship equipment when sail, the maintenances such as equipment are tired in ocean platform
Difficulty also requires the topological structure of the rectification tractive power supply system for electric propulsion simple, and service life of equipment is long, maintenance management
Simple and convenient.At present mostly using rectifier transformer and rectifier equipment as Core equipment, complex equilibrium reactor, filter inductance, filter
The ancillary equipments such as wave capacitor constitute multiple pulse rectification circuit, provide electric energy for electric propulsion apparatus.
In the existing rectification tractive power supply system for electric propulsion, 12 traditional pulse wave rectifier tractive power supply systems
Although cost is lower, configuration is simple, the power quality of power supply is difficult to meet increasingly increased high-power electric propulsion device
Power reguirements, thus generally use 24 pulse wave rectifier tractive power supply systems.But often space occupied, system overall weight are past for it
Past larger, not only total system total price is higher, is forced the cabin increased to accommodate equipment, and ocean is flat in one's power for metro traction power transformation
Platform driving station is also that safe operation brings certain security risk.Such rectification tractive power supply system structure is complex simultaneously, is
Maintenance and maintenance bring certain puzzlement.Simultaneously in practical projects, generally requiring the attachment devices such as paralleing reactor just can guarantee
The cost and space occupied of system is further increased in the power quality of its 24 pulse wave rectifier tractive power supply system.Another party
The volume, weight and cost of system, but its complicated company can be greatly reduced in face, 24 pulse wave self coupling phase-shifting commutation tractive power supply systems
The job specification for connecing technique and non-electrically isolated causes its security performance to decline, it is difficult to be applied in electric propulsion system.
Summary of the invention
In view of this, it is necessary to for above-mentioned problem, it is whole to provide a kind of 24 pulse wave of magnetic integrated form for electric propulsion
Tractive power supply system is flowed, to solve in above-mentioned background technique traditional multi-pulse rectification tractive power supply system for electric propulsion apparatus
Existing system footprint space is big, system topology is complicated, internal system circulating current is larger when providing electric energy, system is run
The lower problem of efficiency.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion, including one using alternating expression around
24 pulse wave magnetic of group arrangement integrated rectifier transformer and four three-phase bridge diode rectifiers, four groups of three-phases of rectifier transformer
Output winding is connected with the three-phase input end of four bridge diode rectifiers respectively；The 24 pulse wave magnetic that alternating expression winding is arranged
The head end of integrated rectifier transformer Shang Qiao and lower bridge input three-phase windings is successively in parallel, leads as 24 pulse wave rectifier of magnetic integrated form
Draw the three-phase input end of power supply system；By the output end parallel running of four bridge diode rectifiers, as magnetic integrated form 24
Pulse wave rectifier tractive power supply system DC output end；The 24 pulse wave rectifier traction power supply system of magnetic integrated form for electric propulsion
The alternating current that generator issues is converted to direct current by system, provides steady dc voltage for electric propulsion apparatus.
Further, the integrated rectifier transformer of 24 pulse wave magnetic of the alternating expression winding arrangement includes three sets of primary side windings
Component, three sets of vice-side winding components and a set of conjugation iron core；The conjugation iron core include three equidistant vertical core limbs, with it is each
A vertical core limb be mutually connected vertically and be located at each vertical core limb above upper yoke and with each vertical core limb phase
Mutually vertical connection and the lower yoke being located at below each vertical core limb；
The primary side winding component includes upper bridge primary side winding and lower bridge primary side winding, is all made of triangle connection type,
And corresponding structure, umber of turn, phase sequence are all the same；The head end of the three-phase windings of the upper bridge primary side winding correspondingly with
The head end of lower bridge primary side winding three-phase windings is connected；
The vice-side winding component include upper the first vice-side winding of bridge, the second vice-side winding of upper bridge, the secondary side of lower bridge first around
Group, the second vice-side winding of lower bridge, are all made of extend-triangle connection type；Wherein upper the first vice-side winding of bridge and lower bridge first are secondary
The corresponding structure of side winding, umber of turn, phase sequence are identical, and upper the second vice-side winding of bridge and lower the second vice-side winding of bridge are corresponding
Structure, umber of turn, phase sequence it is identical；
The upper bridge primary side winding, the first vice-side winding of upper bridge, each phase winding of the second vice-side winding of upper bridge are correspondingly
It is set in around a vertical core limb and is located at the upper bridge location of vertical core limb；The lower bridge primary side winding, lower bridge first
Vice-side winding, each phase winding of the second vice-side winding of lower bridge are set in around a vertical core limb correspondingly and are located at vertical
The lower bridge location of formula core limb.
Further, first vice-side winding of upper bridge, the second vice-side winding of upper bridge, the first vice-side winding of lower bridge, lower bridge
It is second vice-side winding output line voltage amplitude, of substantially equal to primary side winding short-circuit impedance, and the first vice-side winding of upper bridge, upper bridge
Second vice-side winding, the first vice-side winding of lower bridge, lower bridge the second vice-side winding output line voltage phase angle respectively correspond for phase shift+
22.5°、-7.5°、-22.5°、+7.5°。
Further, the three-phase bridge diode rectifier includes six rectifier diodes, using bridge full-wave rectifier
The form of circuit connects and the composition that is packaged as a whole；Four three-phase bridge diode rectifier models, capacity etc. are identical, according to
Secondary is the first three-phase bridge diode rectifier, the second three-phase bridge diode rectifier, third three-phase bridge diode rectification
Device, the 4th three-phase bridge diode rectifier.
Further, upper bridge the first vice-side winding three-phase alternating current output terminal and the first three-phase bridge diode rectification
Device three-phase alternating current input terminal is sequentially connected correspondingly, upper bridge the second vice-side winding three-phase alternating current output terminal and
Two three-phase bridge diode rectifier three-phase alternating current input terminals are sequentially connected correspondingly, lower first vice-side winding of bridge
Three-phase alternating current output terminal is sequentially connected correspondingly with third three-phase bridge diode rectifier three-phase alternating current input terminal,
Lower bridge the second vice-side winding three-phase alternating current output terminal and the 4th three-phase bridge diode rectifier three-phase alternating current input terminal
Son is sequentially connected correspondingly.
Further, the first three-phase bridge diode rectifier, the second three-phase bridge diode rectifier, the three or three
Phase bridge diode rectifier, the anode of the DC output terminal of the 4th three-phase bridge diode rectifier are sequentially connected, as
The anode that 24 pulse wave rectifier tractive power supply system DC terminal of magnetic integrated form for electric propulsion exports；First three-phase bridge
Diode rectifier, the second three-phase bridge diode rectifier, third three-phase bridge diode rectifier, the 4th three-phase bridge two
The cathode of the DC output terminal of pole pipe rectifier is sequentially connected, and is led as 24 pulse wave rectifier of magnetic integrated form for electric propulsion
Draw the cathode of power supply system DC terminal output.
Further, the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion is when its exchange input
When the voltage of end input is symmetrical and amplitude identical three-phase voltage, the unloaded DC voltage average value of DC output end output is about
For upper the first vice-side winding of bridge/upper the second vice-side winding of bridge/the first vice-side winding of lower bridge/the second vice-side winding of lower bridge output line electricity
It is pressed with 0.7052 times of valid value.
Further, it is controllable can be changed to three-phase bridge according to system actual demand for the three-phase bridge diode rectifier
Rectifier or three-phase half bridge rectifier；Four three-phase bridge diode rectifiers can be changed to entirely according to system actual demand
After portion connects or first and afterwards goes here and there or first go here and there and different combinations is waited to obtain the direct voltage output of different DC terminals.
Further, the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion is using alternating expression
The rear portion of the integrated rectifier transformer vice-side winding component output end output of 24 pulse wave magnetic of winding arrangement connects paralleing reactor,
Filter capacitor and filtering are connected in the rear end that the 24 pulse wave rectifier tractive power supply system DC terminal of magnetic integrated form of electric propulsion exports
Inductance further enhances system performance.
Compared with prior art, beneficial effects of the present invention include at least:
The present invention rectifier transformer and three-phase bridge diode integrated only with the 24 pulse wave magnetic that alternating expression winding is arranged
24 pulse wave rectifier circuits can be realized in rectifier, be electric propulsion apparatus are to provide high-quality electric energy.The integrated magnetic of use
The volume that the rectifier transformer that the 24 pulse wave magnetic that alternating expression winding is arranged integrate can be substantially reduced reduces electromagnetic installing and insulate between
The space occupied of 24 pulse wave rectifier tractive power supply system of magnetic integrated form, save the cost is then greatly lowered in distance.This is simultaneously
System internal circulating current is evenly distributed and amplitude is smaller, can effectively improve service life of equipment in system, and reduction is set because single
Security risk caused by standby hot-spot, improves security of system and reliability.Furthermore 24 pulse wave rectifier of magnetic integrated form traction supplies
Electric system topological structure is simple, can guarantee the good power quality of system without additional ancillary equipment, and can be effective
Reduce because of caused by harmonic flux transformer core loss, temperature rise, in terms of adverse effect, because of magnetic collection
24 pulse wave rectifier tractive power supply system of an accepted way of doing sth and its maintenance of equipment maintenance difficulty are small, have versatility, may be directly applied to mesh
In preceding most integrated power systems for electric propulsion equipment.
Present invention can ensure that rectification tractive power supply system has, small in size, light-weight, high-efficient, system power quality is high
Etc. characteristics, reliable and quality power can be provided for electric propulsion apparatus.Simultaneity factor topological structure is simple, easy to maintain and guarantor
It supports, suitable for the next-generation integrated power system for electric propulsion apparatus.In addition, the traction of 24 pulse wave rectifier of magnetic integrated form supplies
Using the rectifier transformer that 24 pulse wave magnetic of alternating expression winding arrangement are integrated in electric system, vice-side winding output voltage almost one
It causes, primary side three-phase windings are almost consistent to each three-phase windings short-circuit impedance in secondary side, because guaranteeing that 24 pulse wave rectifier of magnetic integrated form is led
It is smaller to draw circulation in power supply system, can further improve system effectiveness, at the same can avoid causing transformer single because of circulation around
Hot-spot problem occurs for group and separate unit rectifier, enhances system security.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the topological diagram of the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion of the invention；
Fig. 2 is the structure chart of the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion of the invention；
Fig. 3 is in the present invention using the structural representation of the integrated rectifier transformer of 24 pulse wave magnetic of alternating expression winding arrangement
Figure；
Fig. 4 is the phase diagram of the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion of the invention；
Fig. 5 is the structural schematic diagram schematic diagram of three-phase bridge diode rectifier in the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing and specifically
Embodiment technical solution of the present invention is described in detail.It should be pointed out that described embodiment is only this hair
Bright a part of the embodiment, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Embodiment
As shown in Figs. 1-5, the present invention provides a kind of 24 pulse wave rectifier traction power supply system of magnetic integrated form for electric propulsion
System, is applicable in for small space locating for electric propulsion apparatus, the alternating current that generator issues is converted to direct current, cooperation becomes
Frequency modulation speed system meets large power ship propulsion electric machine, subway train traction electric machine etc. and equips required stabilization and high-quality
Power supply.
Specifically, which adopts including one
The rectifier transformer 2 and four three-phase bridge diode rectifiers 3 integrated with the 24 pulse wave magnetic that alternating expression winding is arranged, rectification become
Four groups of three-phase output windings of depressor are connected with the three-phase input end of four bridge diode rectifiers respectively；Alternating expression winding is arranged
The head end of the integrated rectifier transformer Shang Qiao of 24 pulse wave magnetic of cloth and lower bridge input three-phase windings is successively in parallel, as magnetic integrated form
The three-phase input end of 24 pulse wave rectifier tractive power supply systems；By the output end parallel running of four bridge diode rectifiers, make
For 24 pulse wave rectifier tractive power supply system DC output end of magnetic integrated form；24 pulse wave rectifier of magnetic integrated form of the electric propulsion is led
Draw power supply system and the alternating current that generator 4 issues is converted into direct current, provides stable DC for electric propulsion apparatus 5
Pressure.
Specifically, the integrated rectifier transformer 2 of 24 pulse wave magnetic of the alternating expression winding arrangement includes three sets of primary side windings
16, three sets of vice-side winding components 17 of component and a set of conjugation iron core；The conjugation iron core include three equidistant vertical core limbs,
With each vertical core limb be mutually connected vertically and be located at each vertical core limb above upper yoke and with each vertical iron core
The lower yoke that column is mutually connected vertically and is located at below each vertical core limb；
The primary side winding component 16 includes upper bridge primary side winding 6 and lower bridge primary side winding 7, is all made of triangle connection side
Formula, and corresponding structure, umber of turn, phase sequence are all the same；The head end of the three-phase windings of the upper bridge primary side winding 6 corresponds
Ground is connected with the head end of lower 7 three-phase windings of bridge primary side winding；
The vice-side winding component 17 includes upper the first vice-side winding of bridge 8, the second vice-side winding of upper bridge 9, the first pair of lower bridge
Side winding 10, the second vice-side winding of lower bridge 11, are all made of extend-triangle connection type；Wherein upper 8 He of the first vice-side winding of bridge
The corresponding structure of lower the first vice-side winding of bridge 10, umber of turn, phase sequence are identical, upper the second vice-side winding of bridge 9 and lower bridge
The corresponding structure of two vice-side winding 11, umber of turn, phase sequence are identical.
The upper bridge primary side winding 6, the first vice-side winding of upper bridge 8, each phase winding of the second vice-side winding of upper bridge 9 correspond
Ground is set in the upper bridge location 18 for around a vertical core limb and being located at vertical core limb；The lower bridge primary side winding 7, lower bridge
First vice-side winding 10, each phase winding of the second vice-side winding of lower bridge 11 are set in correspondingly around a vertical core limb
And it is located at the lower bridge location 19 of vertical core limb.
Specifically, first vice-side winding of upper bridge 8, the second vice-side winding of upper bridge 9, the first vice-side winding of lower bridge 10, under
It is 11 output line voltage amplitude of the second vice-side winding of bridge, of substantially equal to primary side winding short-circuit impedance, and the first vice-side winding of upper bridge
8, upper the second vice-side winding of bridge 9, the first vice-side winding of lower bridge 10,11 output line voltage phase angle of the second vice-side winding of lower bridge difference
Correspond to+22.5 °, -7.5 °, -22.5 ° ,+7.5 ° of phase shift.
Specifically, the three-phase bridge diode rectifier 3 includes six rectifier diodes, using bridge full-wave rectifier electricity
The form on road connects and the composition that is packaged as a whole；Four three-phase bridge diode rectifier models, capacity etc. are identical, successively
For the first three-phase bridge diode rectifier 12, the second three-phase bridge diode rectifier 13, third three-phase bridge diode is whole
Flow device 14, the 4th three-phase bridge diode rectifier 15.
Specifically, the 8 three-phase alternating current output terminal of the first vice-side winding of upper bridge and the first three-phase bridge diode rectification
12 three-phase alternating current input terminal of device is sequentially connected correspondingly, the upper 9 three-phase alternating current output terminal of the second vice-side winding of bridge
It is sequentially connected correspondingly with 13 three-phase alternating current input terminal of the second three-phase bridge diode rectifier, the lower bridge first is secondary
10 three-phase alternating current output terminal of side winding and 14 three-phase alternating current input terminal of third three-phase bridge diode rectifier correspond
Ground is sequentially connected, the lower 10 three-phase alternating current output terminal of the second vice-side winding of bridge and the 4th three-phase bridge diode rectifier 15
Three-phase alternating current input terminal is sequentially connected correspondingly.
Specifically, the first three-phase bridge diode rectifier 12, the second three-phase bridge diode rectifier 13, third
The anode of three-phase bridge diode rectifier 14, the DC output terminal of the 4th three-phase bridge diode rectifier 15 successively connects
It connects, the anode as 24 pulse wave rectifier tractive power supply system DC terminal of the magnetic integrated form output for electric propulsion；Described first
Three-phase bridge diode rectifier 12, the second three-phase bridge diode rectifier 13, third three-phase bridge diode rectifier 14,
The cathode of the DC output terminal of 4th three-phase bridge diode rectifier 15 is sequentially connected, as the magnetic collection for electric propulsion
The cathode of 24 pulse wave rectifier tractive power supply system DC terminal of accepted way of doing sth output.
Specifically, the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion works as its ac input end
When the voltage of input is symmetrical and amplitude identical three-phase voltage, the unloaded DC voltage average value of DC output end output is about
Lower the second vice-side winding of bridge 11 of lower the first vice-side winding of bridge 10/ of the second vice-side winding of bridge 9/ exports on upper the first vice-side winding of bridge 8/
0.7052 times of line voltage virtual value.
Specifically, it is controllable can also to be changed to three-phase bridge according to system actual demand for the three-phase bridge diode rectifier
Rectifier, three-phase half bridge rectifier etc.；Four three-phase bridge diode rectifiers can be changed to according to system actual demand
After all connecting or first and afterwards going here and there or first go here and there and different combinations is waited to obtain the direct voltage output of different DC terminals.
Specifically, the 24 pulse wave rectifier tractive power supply system 1 of magnetic integrated form for electric propulsion is not necessarily to attachment device
And additional device can be in the power quality for the stabilization and high-quality for reaching supply high-power electric propulsion device demand, but it can also
The rectifier transformer vice-side winding component output end integrated in the 24 pulse wave magnetic using the arrangement of alternating expression winding according to actual needs
The rear portion of output connects paralleing reactor, connects in the rear end of 24 pulse wave rectifier tractive power supply system of magnetic integrated form, 1 DC terminal output
Filter capacitor and filter inductance are connect, system performance is further enhanced.
The present invention rectifier transformer and three-phase bridge diode integrated only with the 24 pulse wave magnetic that alternating expression winding is arranged
24 pulse wave rectifier circuits can be realized in rectifier, be electric propulsion apparatus are to provide high-quality electric energy.The integrated magnetic of use
The volume that the rectifier transformer that the 24 pulse wave magnetic that alternating expression winding is arranged integrate can be substantially reduced reduces electromagnetic installing and insulate between
The space occupied of 24 pulse wave rectifier tractive power supply system of magnetic integrated form, save the cost is then greatly lowered in distance.This is simultaneously
System internal circulating current is evenly distributed and amplitude is smaller, can effectively improve service life of equipment in system, and reduction is set because single
Security risk caused by standby hot-spot, improves security of system and reliability.Furthermore 24 pulse wave rectifier of magnetic integrated form traction supplies
Electric system topological structure is simple, can guarantee the good power quality of system without additional ancillary equipment, and can be effective
Reduce because of caused by harmonic flux transformer core loss, temperature rise, in terms of adverse effect, because of magnetic collection
24 pulse wave rectifier tractive power supply system of an accepted way of doing sth and its maintenance of equipment maintenance difficulty are small, have versatility, may be directly applied to mesh
In preceding most integrated power systems for electric propulsion equipment.
Present invention can ensure that rectification tractive power supply system has, small in size, light-weight, high-efficient, system power quality is high
Etc. characteristics, reliable and quality power can be provided for electric propulsion apparatus.Simultaneity factor topological structure is simple, easy to maintain and guarantor
It supports, suitable for the next-generation integrated power system for electric propulsion apparatus.In addition, the traction of 24 pulse wave rectifier of magnetic integrated form supplies
Using the rectifier transformer that 24 pulse wave magnetic of alternating expression winding arrangement are integrated in electric system, vice-side winding output voltage almost one
It causes, primary side three-phase windings are almost consistent to each three-phase windings short-circuit impedance in secondary side, because guaranteeing that 24 pulse wave rectifier of magnetic integrated form is led
It is smaller to draw circulation in power supply system, can further improve system effectiveness, at the same can avoid causing transformer single because of circulation around
Hot-spot problem occurs for group and separate unit rectifier, enhances system security.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion, which is characterized in that adopted including one
Rectifier transformer (2) the He Sitai three-phase bridge diode rectifier (3) integrated with the 24 pulse wave magnetic that alternating expression winding is arranged, it is whole
Four groups of three-phase output windings of convertor transformer are connected with the three-phase input end of four bridge diode rectifiers respectively；By alternating expression around
The head end of the integrated rectifier transformer Shang Qiao of 24 pulse wave magnetic of group arrangement and lower bridge input three-phase windings is successively in parallel, as magnetic collection
The three-phase input end of 24 pulse wave rectifier tractive power supply system of an accepted way of doing sth；By the output end of four bridge diode rectifiers and through transport
Row, as 24 pulse wave rectifier tractive power supply system DC output end of magnetic integrated form；24 pulse wave of magnetic integrated form of the electric propulsion
It rectifies tractive power supply system (1) and the alternating current that generator (4) issues is converted into direct current, provided for electric propulsion apparatus (5)
Steady dc voltage.
2. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 1 for electric propulsion, feature
Be, the integrated rectifier transformer (2) of 24 pulse wave magnetic of alternating expression winding arrangement include three sets of primary side winding components (16),
Three sets of vice-side winding components (17) and a set of conjugation iron core；The conjugation iron core include three equidistant vertical core limbs, with it is each
A vertical core limb be mutually connected vertically and be located at each vertical core limb above upper yoke and with each vertical core limb phase
Mutually vertical connection and the lower yoke being located at below each vertical core limb；
The primary side winding component (16) includes upper bridge primary side winding (6) He Xiaqiao primary side winding (7), is all made of triangle connection
Mode, and corresponding structure, umber of turn, phase sequence are all the same；The head end of the three-phase windings of the upper bridge primary side winding (6) is one by one
Accordingly it is connected with the head end of lower bridge primary side winding (7) three-phase windings；
The vice-side winding component (17) includes upper the first vice-side winding of bridge (8), the second vice-side winding of upper bridge (9), lower bridge first
Vice-side winding (10), the second vice-side winding of lower bridge (11), are all made of extend-triangle connection type；Wherein the secondary side of upper bridge first around
The corresponding structure of group (8) the first vice-side winding of He Xiaqiao (10), umber of turn, phase sequence are identical, upper the second vice-side winding of bridge
(9) the corresponding structure of the second vice-side winding of He Xiaqiao (11), umber of turn, phase sequence are identical；
The upper bridge primary side winding (6), the first vice-side winding of upper bridge (8), each phase winding one of the second vice-side winding of upper bridge (9) are a pair of
It is set in around a vertical core limb and is located at the upper bridge location (18) of vertical core limb with answering；The lower bridge primary side winding
(7), lower the first vice-side winding of bridge (10), the second vice-side winding of lower bridge (11) each phase winding be set in correspondingly one it is vertical
Lower bridge location (19) around core limb and positioned at vertical core limb.
3. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 2 for electric propulsion, feature
It is, upper first vice-side winding of bridge (8), the second vice-side winding of upper bridge (9), the first vice-side winding of lower bridge (10), lower bridge
It is two vice-side windings (11) output line voltage amplitude, of substantially equal to primary side winding short-circuit impedance, and the first vice-side winding of upper bridge
(8), upper the second vice-side winding of bridge (9), the first vice-side winding of lower bridge (10), the second vice-side winding of lower bridge (11) output line voltage phase
It is+22.5 °, -7.5 °, -22.5 ° ,+7.5 ° of phase shift that parallactic angle, which respectively corresponds,.
4. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 2 for electric propulsion, feature
It is, the three-phase bridge diode rectifier (3) includes six rectifier diodes, using the form of full-wave bridge rectifier circuit
It connects and the composition that is packaged as a whole；Four three-phase bridge diode rectifier models, capacity etc. are identical, are followed successively by the one or three
Phase bridge diode rectifier (12), the second three-phase bridge diode rectifier (13), third three-phase bridge diode rectifier
(14), the 4th three-phase bridge diode rectifier (15).
5. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 4 for electric propulsion, feature
It is, upper the first vice-side winding of bridge (8) three-phase alternating current output terminal and the first three-phase bridge diode rectifier (12) three
Phase AC input terminal is sequentially connected correspondingly, upper the second vice-side winding of bridge (9) three-phase alternating current output terminal and
Two three-phase bridge diode rectifier (13) three-phase alternating current input terminals are sequentially connected correspondingly, the secondary side of the lower bridge first
Winding (10) three-phase alternating current output terminal and third three-phase bridge diode rectifier (14) three-phase alternating current input terminal one are a pair of
It is sequentially connected with answering, lower the second vice-side winding of bridge (10) three-phase alternating current output terminal and the 4th three-phase bridge diode rectification
Device (15) three-phase alternating current input terminal is sequentially connected correspondingly.
6. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 4 for electric propulsion, feature
It is, the first three-phase bridge diode rectifier (12), the second three-phase bridge diode rectifier (13), third three-phase bridge
The anode of formula diode rectifier (14), the DC output terminal of the 4th three-phase bridge diode rectifier (15) is sequentially connected,
Anode as 24 pulse wave rectifier tractive power supply system DC terminal of the magnetic integrated form output for electric propulsion；First three-phase
Bridge diode rectifier (12), the second three-phase bridge diode rectifier (13), third three-phase bridge diode rectifier
(14), the cathode of the DC output terminal of the 4th three-phase bridge diode rectifier (15) is sequentially connected, and is pushed away as electric power
Into 24 pulse wave rectifier tractive power supply system DC terminal of magnetic integrated form output cathode.
7. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 2 for electric propulsion, feature
It is, the 24 pulse wave rectifier tractive power supply system of magnetic integrated form for electric propulsion works as the voltage of its ac input end input
When three-phase voltage identical for symmetrical and amplitude, the about upper bridge first of the unloaded DC voltage average value of DC output end output is secondary
Side winding (8)/upper the second vice-side winding of bridge (9)/the first vice-side winding of lower bridge (10)/the second vice-side winding of lower bridge (11) output line
0.7052 times of voltage effective value.
8. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 1 for electric propulsion, feature
It is, the three-phase bridge diode rectifier can be changed to three-phase bridge controlled rectifier or three-phase according to system actual demand
Half bridge rectifier；Four three-phase bridge diode rectifiers can be changed to whole series connection or first according to system actual demand
And after going here and there or first going here and there afterwards and different combinations is waited to obtain the direct voltage output of different DC terminals.
9. the magnetic integrated form 24 pulse wave rectifier tractive power supply system according to claim 1 for electric propulsion, feature
It is, the 24 pulse wave rectifier tractive power supply system (1) of magnetic integrated form for electric propulsion is arranged using alternating expression winding
The rear portion of integrated rectifier transformer (2) the vice-side winding component output end output of 24 pulse wave magnetic connect paralleing reactor, in magnetic
The rear end connection filter capacitor and filter inductance of 24 pulse wave rectifier tractive power supply system (1) DC terminal of integrated form output, further
Enhance system performance.
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| CN201910733481.XA CN110460249A (en) | 2019-08-09 | 2019-08-09 | A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion |
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| CN201910733481.XA CN110460249A (en) | 2019-08-09 | 2019-08-09 | A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110868089A (en) * | 2019-12-24 | 2020-03-06 | 新风光电子科技股份有限公司 | Controllable direct-current power supply and control method thereof |
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Application publication date: 20191115 |