CN109353250A - Take into account the power conditioner of railway power power supply and haulage capacity recycling - Google Patents
Take into account the power conditioner of railway power power supply and haulage capacity recycling Download PDFInfo
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- CN109353250A CN109353250A CN201811121475.0A CN201811121475A CN109353250A CN 109353250 A CN109353250 A CN 109353250A CN 201811121475 A CN201811121475 A CN 201811121475A CN 109353250 A CN109353250 A CN 109353250A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
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Abstract
The present invention relates to the power conditioners for taking into account railway power power supply and haulage capacity recycling, and main circuit includes railway power power supply module M1, haulage capacity double-direction control module M2 and energy release module M3；Traction voltage is converted to the 10kV voltage that suitable railway power power supply uses by railway power power supply module M1；Haulage capacity double-direction control module M2 recycles braking energy, and the energy of storage is discharged into traction side and power cell simultaneously；The energy of storage is discharged into railway power side by energy release module M3.Modules of the present invention may be implemented to be powered from rail traction to railway power, the braking energy of recycling and release traction side, to the function of railway power release braking energy, overall plan enriches the function of railway power conditioner, and structure is simple, ingenious, it is easily achieved, cost of implementation is low, while being conducive to expansion and popularization and application.
Description
Technical field
The invention belongs to electric railway power supply technical fields, and in particular to one kind is taken into account railway power power supply and led
Draw the power conditioner of energy regenerating.
Background technique
With electric railway being increasing worldwide, number of power sources needed for railway power also can be more next
It is more.Usual railway power power supply is powered by the 10kV of utility network, but can not usually be obtained enough in some areas
Railway power power supply.It such as Xinjiang, Tibet, Inner Mongol, Qinghai, Ningxia etc., is around desolate and uninhabited, lacks electric power safeguard.It is another
Aspect, even if in conventional area, when around thering are enough power supplys can be used, due to dense, the economic prosperity of population, land price inch of land
It is a series of multiple to often refer to expropriation of land, removal, civil administration, peace pipe etc. for very little gold, the corridor space during railway power power construction
Miscellaneous insoluble problem, or even investment become astronomical figure.And power conditioner technology is the ideal solution to solve the above problems
Scheme, power conditioner are directly obtained energy from electric railway traction side, are converted to traction power source using power electronic technique
Railway power 10kV power supply not only meets requirement of the railway power design specification to number of power sources, while greatly reducing phase
Power construction, investment, O&M cost are closed, the economy of railway operation is substantially increased.
Further, since the locomotive of electric railway has traction power big, very big return is produced during locomotive brake
Power is sent, traction voltage is caused to be lifted, reduces the power quality of traction side.Since the foldback power that locomotive brake generates belongs to
Single-phase power causes to draw the increase of main transformer high-pressure side negative-sequence current, also reduces the reliability of electric system.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides one kind to take into account railway power power supply and traction
The power conditioner of energy regenerating, realizes the transformation of electrical energy being powered from traction side to railway power 10kV, and purification traction side is deposited
The infiltration of the power quality problems to 10kV such as harmonic wave, voltage fluctuation, while passing through haulage capacity double-direction control module and energy
Amount release module is partly or entirely absorbed locomotive brake process generation foldback power, is reduced voltage caused by foldback and is lifted
It rises, and returns in locomotive traction contact net or be discharged into railway power.
The technical scheme adopted by the invention is as follows:
Take into account the power conditioner of railway power power supply and haulage capacity recycling, it is characterised in that:
Its main circuit includes railway power power supply module M1, haulage capacity double-direction control module M2 and energy release module M3；
Traction voltage is converted to the 10kV voltage that suitable railway power power supply uses by railway power power supply module M1；
Haulage capacity double-direction control module M2 recycles braking energy, and the energy of storage is discharged into traction side and power list simultaneously
Member；
The energy of storage is discharged into railway power side by energy release module M3.
High-tension coil W5, multi-pole coils W1, the AC-DC- of railway power power supply module M1 by multiple rectifying transformer T1
AC type power cell U, LC filter unit F1, power supply division the coil W3, output winding W6 group for inputting Schizoid transformer T2
At；
The multi-pole coils output end of multiple rectifying transformer T1 accesses AC-DC-AC type power cell U, AC-DC-AC power list
The output end of first U is cascaded into the star-like multilevel bridge of three-phase, the output end access LC filtering of the star-like multilevel bridge of three-phase
Unit F 1, the power supply division coil W3 of the output end access input Schizoid transformer T2 of LC filter unit F1.
Haulage capacity double-direction control module M2 by multiplex transformer T1 Thin interbed winding W2, high current charge-discharge list
First U1 and large capacity storage capacitor SC composition；
The output end of Thin interbed winding W2 accesses large current density electric unit U1, the access of large current density electric unit U1 DC side
Large capacity storage capacitor SC.
Energy release module M3 is by three-phase fully-controlled inverter bridge U2, inversion filter F2, the energy for inputting Schizoid transformer T2
Amount release is constituted with division coil W4；
The DC side of three-phase fully-controlled inverter bridge U2 accesses large capacity storage capacitor SC, and exchange side output end accesses inversion filter
F2, inversion filter F2 output end access energy release division coil W4.
Multiplex transformer T1 is made of high-voltage winding W5, low-pressure side multi-pole coils W1 and Thin interbed winding W2；
The coil number of low-pressure side multi-pole coils W1 is identical as the number of AC-DC-AC power cell, of Thin interbed winding W2
Number is identical as the number of haulage capacity double-direction control module M2 and energy release module M3.
Input power supply division coil W3, energy release division coil W4 and defeated of the Schizoid transformer T2 by input side
Coil W6 is formed out,；
Energy the release number of division coil W4 and the number of haulage capacity double-direction control module M2 and energy release module M3
It is identical.
The invention has the following advantages that
The present invention substantially increases the power quality of traction side, enriches the new function of railway power conditioner, improves purifying electric
Applicability of the source in operating condition application process.The present invention powers to railway power under normal circumstances；In railway locomotive braking, fastly
Speed absorbs foldback energy caused by braking.On the one hand foldback energy railway power can be sent into discharge；On the other hand, to
Traction side and power cell release, realize the function of taking into account railway power power supply and haulage capacity recycling.And program structure
It is simply, ingenious, it is easy to accomplish, cost of implementation is low, is conducive to promote and apply and expand.
Detailed description of the invention
Fig. 1 is the signal of the power conditioner embodiment of the present invention for taking into account railway power power supply and haulage capacity recycling
Figure.
Fig. 2 is U-shaped power cell embodiment schematic diagram described in Ben Fanming.
Fig. 3 is U1 type large current density electric unit embodiment schematic diagram of the present invention.
Fig. 4 is U2 type three-phase fully-controlled inverter bridge embodiment schematic diagram of the present invention.
Specific embodiment
The present invention will be described in detail With reference to embodiment.
A kind of power conditioner for taking into account railway power power supply and haulage capacity recycling of the present invention, main circuit include
Railway power power supply module M1, haulage capacity double-direction control module M2 and energy release module M3.Railway power power supply module M1
Traction voltage is converted into the 10kV voltage that suitable railway power power supply uses；Haulage capacity double-direction control module M2 recycling braking
Energy, and the energy of storage is discharged into traction side and power cell simultaneously；Energy release module M3 discharges the energy of storage
To railway power side.
The quantity of M1 only has 1, but the power cell quantity inside M1 is 3 multiple.Every phase is at least 1, can also
To be multiple cascades.Every phase 1, U just has 3.Every phase 2, U just has 6.
The quantity of M2 does not have range, and the energy for needing to recycle is more, and the quantity of M2 is more.The quantity of M3 and the quantity one of M2
It causes.
M1 and M2 is magnetically coupled by T1 transformer, so M2 can carry out energy to traction side and the side M1
Release.
Three number of modules are sequentially connected in series when being 1, and when being not all 1, M2 is connect with M1 magnetic coupling (accesses transformer
Different windings), M2 is consistent with M3 quantity.
Wherein:
High-tension coil W5 of the railway power power supply module M1 by multiple rectifying transformer T1, multi-pole coils W1, AC-DC-AC type
The power supply of power cell U (number A1 ... AN, B1 ... BN, C1 ... CN), LC filter unit F1, input Schizoid transformer T2, which are used, to divide
Split coil W3, output winding W6 composition；The multi-pole coils output end of multiple rectifying transformer T1 accesses AC-DC-AC type power
The output end of unit U, AC-DC-AC power cell U is cascaded into the star-like multilevel bridge of three-phase, the star-like multilevel of three-phase
The power supply of the output end access input Schizoid transformer T2 of output end access LC filter unit F1, the LC filter unit F1 of bridge is used
Divide coil W3.
Haulage capacity double-direction control module M2 by multiplex transformer T1 Thin interbed winding W2, high current charge-discharge list
First U1 and large capacity storage capacitor SC composition；The output end of Thin interbed winding W2 accesses large current density electric unit U1, big electricity
It flows charge/discharge unit U1 DC side and accesses large capacity storage capacitor SC.
Energy release module M3 is by three-phase fully-controlled inverter bridge U2, inversion filter F2, the energy for inputting Schizoid transformer T2
Amount release is constituted with division coil W4；The DC side of three-phase fully-controlled inverter bridge U2 accesses large capacity storage capacitor SC, and exchange side is defeated
Outlet accesses inversion filter F2, and inversion filter F2 output end accesses energy release division coil W4.
Multiplex transformer T1 is made of high-voltage winding W5, low-pressure side multi-pole coils W1 and Thin interbed winding W2；Low pressure
The coil number of side multi-pole coils W1 is identical as the number of AC-DC-AC power cell, the number and traction of Thin interbed winding W2
Energy double-direction control module M2 is identical with the number of energy release module M3, and number is matched according to required capacity.
Input power supply division coil W3, energy release division coil W4 and defeated of the Schizoid transformer T2 by input side
Coil W6 is formed out；The number and haulage capacity double-direction control module M2 and energy release module of energy release division coil W4
The number of M3 is identical, and number is according to required capacity configuration.
Power cell U by it is single-phase can not control rectifier, direct current flat wave capacitor, single-phase full control H bridge form.
The number of railway power power supply module is 1, the multiple that the number of internal power unit U is 3.Railway power power supply station
When the capacity needed is big, the number of power cell U increases, and the more converters of level number is formed, to export lower electric current.
U1 is made of single-phase full control H bridge.The quantity configured needed for M2 is related to the capacity of energy regenerating.When need to recycle
When energy is bigger, the quantity of M2 is more, then power cell U1 is more.
U2 is made of three-phase fully-controlled H bridge.The energy that M3 needs to discharge to railway power is more, then the number of M3 configuration is got over
It is more.
Power conditioner of the invention is applied to the railway system, on the one hand input side access trailer system utilizes railway power
Traction voltage is converted to the 10kV voltage that suitable railway power power supply uses by power supply module.Haulage capacity double-direction control module was both
It may be implemented Brake energy recovery, and the energy by storage may be implemented while being discharged into traction side and power cell, complete
Burning voltage, energy stores and release.The energy of storage is specially discharged into railway power side by energy release module, is improved whole
The reliability of body power supply.The multiplexing of multiple rectifying transformer and input Schizoid transformer, enriches whole functionality, and
And the scheme of the invention structure is simple, ingenious, it is easy to accomplish, cost of implementation is low, and is easy to expand, and is conducive to popularization and application.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (6)
1. taking into account the power conditioner of railway power power supply and haulage capacity recycling, it is characterised in that:
Its main circuit includes railway power power supply module M1, haulage capacity double-direction control module M2 and energy release module M3；
Traction voltage is converted to the 10kV voltage that suitable railway power power supply uses by railway power power supply module M1；
Haulage capacity double-direction control module M2 recycles braking energy, and the energy of storage is discharged into traction side and power list simultaneously
Member；
The energy of storage is discharged into railway power side by energy release module M3.
2. the power conditioner according to claim 1 for taking into account railway power power supply and haulage capacity recycling, it is characterised in that:
High-tension coil W5 of the railway power power supply module M1 by multiple rectifying transformer T1, multi-pole coils W1, AC-DC-AC type
Power cell U, LC filter unit F1, power supply division coil W3, the output winding W6 composition for inputting Schizoid transformer T2；
The multi-pole coils output end of multiple rectifying transformer T1 accesses AC-DC-AC type power cell U, AC-DC-AC power list
The output end of first U is cascaded into the star-like multilevel bridge of three-phase, the output end access LC filtering of the star-like multilevel bridge of three-phase
Unit F 1, the power supply division coil W3 of the output end access input Schizoid transformer T2 of LC filter unit F1.
3. the power conditioner according to claim 2 for taking into account railway power power supply and haulage capacity recycling, it is characterised in that:
Thin interbed winding W2, large current density electric unit U1 of the haulage capacity double-direction control module M2 by multiplex transformer T1
It is formed with large capacity storage capacitor SC；
The output end of Thin interbed winding W2 accesses large current density electric unit U1, the access of large current density electric unit U1 DC side
Large capacity storage capacitor SC.
4. the power conditioner according to claim 3 for taking into account railway power power supply and haulage capacity recycling, it is characterised in that:
Energy release module M3 is released by the energy of three-phase fully-controlled inverter bridge U2, inversion filter F2, input Schizoid transformer T2
It puts and is constituted with division coil W4；
The DC side of three-phase fully-controlled inverter bridge U2 accesses large capacity storage capacitor SC, and exchange side output end accesses inversion filter
F2, inversion filter F2 output end access energy release division coil W4.
5. the power conditioner according to claim 4 for taking into account railway power power supply and haulage capacity recycling, it is characterised in that:
Multiplex transformer T1 is made of high-voltage winding W5, low-pressure side multi-pole coils W1 and Thin interbed winding W2；
The coil number of low-pressure side multi-pole coils W1 is identical as the number of AC-DC-AC power cell, of Thin interbed winding W2
Number is identical as the number of haulage capacity double-direction control module M2 and energy release module M3.
6. the power conditioner according to claim 5 for taking into account railway power power supply and haulage capacity recycling, it is characterised in that:
Input power supply division coil W3, energy release division coil W4 and output line of the Schizoid transformer T2 by input side
W6 composition is enclosed,；
Energy the release number of division coil W4 and the number of haulage capacity double-direction control module M2 and energy release module M3
It is identical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121475.0A CN109353250B (en) | 2018-09-26 | 2018-09-26 | Take into account the power conditioner of railway power power supply and haulage capacity recycling |
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|---|---|---|---|
| CN201811121475.0A CN109353250B (en) | 2018-09-26 | 2018-09-26 | Take into account the power conditioner of railway power power supply and haulage capacity recycling |
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| CN109353250A true CN109353250A (en) | 2019-02-19 |
| CN109353250B CN109353250B (en) | 2019-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611330A (en) * | 2019-10-12 | 2019-12-24 | 珠海万力达电气自动化有限公司 | Hybrid multifunctional railway purifying power supply with expandable capacity and cooperative control method |
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| JP2005075318A (en) * | 2003-09-04 | 2005-03-24 | Toshiba Corp | Regenerative braking controller |
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| CN102355140A (en) * | 2011-09-08 | 2012-02-15 | 武汉大学 | Concatenated multilevel inverter circuit capable of realizing energy feedback and control method |
| CN206041817U (en) * | 2016-09-18 | 2017-03-22 | 珠海万力达电气自动化有限公司 | Railway purifies power supply unit |
| CN108365634A (en) * | 2018-04-23 | 2018-08-03 | 西南交通大学 | A kind of the railway photovoltaic energy-storage system and control method of regenerating braking energy recycling |
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2018
- 2018-09-26 CN CN201811121475.0A patent/CN109353250B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005075318A (en) * | 2003-09-04 | 2005-03-24 | Toshiba Corp | Regenerative braking controller |
| CN102267405A (en) * | 2011-05-09 | 2011-12-07 | 株洲变流技术国家工程研究中心有限公司 | Energy feeding type dragging power supply device and control method thereof |
| CN102355140A (en) * | 2011-09-08 | 2012-02-15 | 武汉大学 | Concatenated multilevel inverter circuit capable of realizing energy feedback and control method |
| CN206041817U (en) * | 2016-09-18 | 2017-03-22 | 珠海万力达电气自动化有限公司 | Railway purifies power supply unit |
| CN108365634A (en) * | 2018-04-23 | 2018-08-03 | 西南交通大学 | A kind of the railway photovoltaic energy-storage system and control method of regenerating braking energy recycling |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611330A (en) * | 2019-10-12 | 2019-12-24 | 珠海万力达电气自动化有限公司 | Hybrid multifunctional railway purifying power supply with expandable capacity and cooperative control method |
| CN110611330B (en) * | 2019-10-12 | 2023-05-23 | 珠海万力达电气自动化有限公司 | Multifunctional railway purifying power supply with mixed expandable capacity and cooperative control method |
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| CN109353250B (en) | 2019-09-24 |
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