CN105958494A - Train power supply system comprising dual-output power system - Google Patents

Train power supply system comprising dual-output power system Download PDF

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Publication number
CN105958494A
CN105958494A CN201610276824.0A CN201610276824A CN105958494A CN 105958494 A CN105958494 A CN 105958494A CN 201610276824 A CN201610276824 A CN 201610276824A CN 105958494 A CN105958494 A CN 105958494A
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CN
China
Prior art keywords
module
power supply
phase
train
output
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201610276824.0A
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Chinese (zh)
Inventor
李小平
徐景秋
蔡杰
李自然
丁杰
曾明高
彭希予
欧阳天添
林波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuzhou CRRC Times Electric Co Ltd
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Zhuzhou CRRC Times Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201610276824.0A priority Critical patent/CN105958494A/en
Publication of CN105958494A publication Critical patent/CN105958494A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/02Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration

Abstract

The invention discloses a train power supply system comprising dual-output power system, the train power supply system comprises a power supply module set which is formed by a three-phase conversion module, a three-phase rectification module and a power supply switching module; the three-phase conversion module is used for converting single-phase alternating current of the input end to three-phase alternating current; the three-phase rectification module is used for rectifying the three-phase alternating current outputted by the three-phase conversion module to direct current; the power supply module set comprises a direct current output port and an alternating current output port; the output end of the three-phase conversion module outputs through the alternating current output port, and the output end of the three-phase rectification module outputs through the direct current output port; the power supply switching module is used for selecting and switching the direct current output port and the alternating current output port of the power supply module set. According to the invention, the power supply requests of different systems can be met at the same time, so that the train scheduling and group organizing efficiency are improved, and the train scheduling and group organizing are more flexible and convenient, the train operating cost can be reduced, and the train group transport efficiency can be improved.

Description

A kind of power supply system of train of dual output power supply standard
Technical field
The present invention relates to a kind of power supply system of train, particularly relate to a kind of power supply system of train with dual output power supply standard.
Background technology
Passenger train electric power system is to provide the system equipment of power supply for various electrical equipment on railway passenger train.On railway, 25 type air-conditioned train electric power systems of main flow are primarily present power supply mode at present, and one is three-phase alternating current 380V/50Hz, basic employing air conditioning generator car or diesel locomotive centrally connected power supply;One is DC600V, mainly by Passenger Electric Locomotive centrally connected power supply.The former is when the eighties in 20th century, middle and late stage China railways train started large-scale application air-conditioning equipment, formulate according to technical merit at that time and use condition, and the latter is on the basis of static converter power supply mode maturation, within 1998, start to be successfully applied on K79/80 rapid, start batch after railway the fifth speed-ups in 2004 and apply.
In the passenger vehicle that current each Railway Bureau attaches troops to a unit, the passenger vehicle of DC600V power supply system accounts for 50%, and the passenger vehicle of AC380V power supply system accounts for 40%.The passenger vehicle of power supply mode is also deposited, and passenger locomotive is single supply power supply system, and this causes sizable trouble not only to motive power control and utilization, reduces the operation efficiency of locomotive;Current AC380V train is mainly powered by carrying additionally air conditioning generator car, takies a joint train marshalling list position, reduces conevying efficiency;Meanwhile, air conditioning generator car is obtained by high-power diesel electromotor, there is the shortcomings such as utilization cost is high, environmental pollution is big, and also there is certain disaster hidden-trouble.Therefore, research and develop a kind of compatible power demands that disclosure satisfy that current DC600V with AC380V power supply mode coexists, convenient scheduling and the power supply system of train of operation, have exigence.
Summary of the invention
The technical problem to be solved in the present invention is that the technical problem existed for prior art, and the present invention provides a kind of can meet the power demands that current power supply mode coexists simultaneously, debugs the power supply system of train of convenient dual output power supply standard.
For solving above-mentioned technical problem, the technical scheme that the present invention proposes is: a kind of power supply system of train with dual output power supply standard, including the power module group being made up of three-phase inversion module, three phase rectifier module and power supply handover module;Described three-phase inversion module is for being converted to three-phase alternating current by the single-phase alternating current of input;Described three phase rectifier module is unidirectional current for three-phase alternating current electric rectification three-phase inversion module exported;Described power module group includes DC output end mouth and ac output end mouth;The outfan of described three-phase inversion module is exported by ac output end mouth, and the outfan of described three phase rectifier module is exported by DC output end mouth;Described power supply handover module is for the selection switching between described power module group DC output end mouth and ac output end mouth.
As a further improvement on the present invention, described power supply handover module includes two groups of input/output ports, and selects to turn on one of which input/output port;The input of one group of input/output port is connected with the outfan of three phase rectifier module, and outfan is as the DC output end mouth of power module group;The input of another group input/output port is connected with the outfan of three-phase inversion module, and outfan is as the ac output end mouth of power module group.
As a further improvement on the present invention, described power supply handover module includes an input port and two output ports, and selects to turn on one of them output port;Described input port is connected with the outfan of three-phase inversion module, one output port is connected with the input of three phase rectifier module, the outfan of three phase rectifier module is as the DC output end mouth of power module group, and another output port will flow output port as power module group.
As a further improvement on the present invention, native system includes at least 2 independent current source module groups.
As a further improvement on the present invention, described three-phase inversion module includes being sequentially connected with three-phase inversion module and three-phase filtration module;It is three-phase alternating current that described three-phase inversion module is used for the DC inverter of front end;Described three-phase filtration module is for being filtered the output of three-phase inversion module.
As a further improvement on the present invention, described three-phase inversion module also includes being sequentially connected with MDQ and DC filtering module, and the outfan of DC filtering module is connected with the input of described three-phase inversion module;Described MDQ is for being unidirectional current by the single phase ac electric rectification of front end, after DC filtering module filtered, as the front end direct current power supply of described three-phase inversion module.
As a further improvement on the present invention, described three phase rectifier module is three phase full bridge rectification module.
As a further improvement on the present invention, described three-phase inversion module is to use the three-phase six controlled inversion module of brachium pontis of IGBT switching tube;Described three-phase filtration module is isolation filter module, including retarder winding and filter capacitor;The former avris of described retarder winding is connected with the outfan of described three-phase inversion module after connecting with filter capacitor, and the secondary side of described retarder winding is as the outfan of three-phase inversion module.
As a further improvement on the present invention, described MDQ is single-phase full bridge rectification module;Described DC filtering module is the filter capacitor being connected in parallel on direct current just, between pole.
Compared with prior art, it is an advantage of the current invention that: the present invention can meet the compatible power demands of two kinds of standards simultaneously, scheduling is convenient;AC380V train can directly be powered by the power-supply system of the present invention, be completely free of diesel-driven generator, it is to avoid the security risk that diesel-driven generator is brought, reduce maintenance cost, save operation cost, and, train marshalling list can cancel generator car, improves the conevying efficiency of train marshalling list.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention 1.
Fig. 2 is the structural representation of the specific embodiment of the invention 2.
Fig. 3 is specific embodiment of the invention MDQ electrical block diagram.
Fig. 4 is specific embodiment of the invention three-phase inversion modular circuit structural representation.
Marginal data: 1, power module group;11, three-phase inversion module;111, MDQ;112, DC filtering module;113, three-phase inversion module;114, three-phase filtration module;12, three phase rectifier module;13, power supply handover module.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
Embodiment 1:
As it is shown in figure 1, a kind of power supply system of train with dual output power supply standard of the present invention, including the power module group 1 being made up of three-phase inversion module 11, three phase rectifier module 12 and power supply handover module 13;Three-phase inversion module 11 is for being converted to three-phase alternating current by the single-phase alternating current of input;Three phase rectifier module 12 is unidirectional current for three-phase alternating current electric rectification three-phase inversion module 11 exported;Power module group 1 includes DC output end mouth and ac output end mouth;The outfan of three-phase inversion module 11 is exported by ac output end mouth, and the outfan of three phase rectifier module 12 is exported by DC output end mouth;Power supply handover module 13 is for the selection switching between power module group 1 DC output end mouth and ac output end mouth.In the present embodiment, front end Power convert is three-phase alternating current by three-phase inversion module 11, is directed to use three-phase alternating current as the train marshalling list of power supply, the output of three-phase inversion module 11 is directly supplied to the electrical equipment of train;Export it is also possible to the three-phase alternating current output of three-phase inversion module 11 is rectified into unidirectional current by three phase rectifier module 12, for using unidirectional current as the train marshalling list of power supply, be output as train power supply with the direct current of three phase rectifier module 12.
In the present embodiment, using power supply handover module 13 as the selection of power supply system of train output port of power source of the present invention switching switch.Power supply handover module 13 includes two groups of input/output ports, and selects to turn on one of which input/output port;The input of one group of input/output port is connected with the outfan of three phase rectifier module 12, and outfan is as the DC output end mouth of power module group 1;The input of another group input/output port is connected with the outfan of three-phase inversion module 11, and outfan is as the ac output end mouth of power module group 1.By power supply handover module 13, electric power system of the present invention can be realized and carry out selecting output between three-phase alternating current and the unidirectional current of three phase rectifier module 12 output that three-phase inversion module 11 exports.The electric power system realizing the present invention can think that alternating current vehicle is powered, it is also possible to powers for direct current car, reduces the marshalling difficulty that train causes in operation because power supply system is different, so that the marshalling of train is more flexibly, conveniently.
In the present embodiment, for the railway operation circuit with direct current as power supply grid.Three-phase inversion module 11 includes being sequentially connected with three-phase inversion module 113 and three-phase filtration module 114;Three-phase inversion module 113 is used for the DC inverter of front end being three-phase alternating current;Three-phase filtration module 114 is for being filtered the output of three-phase inversion module 113.Train passes through the power taking equipment such as pantograph from direct current supply electrical network power taking, front end direct current electricity as three-phase inversion module 113 input, it is three-phase alternating current by three-phase inversion module 113 inversion, and is filtered by three-phase filtration module 114, it is achieved meet the three-phase alternating-current powered of train power supply demand.
For the railway operation circuit with exchange as power supply grid, three-phase inversion module 11 also includes being sequentially connected with MDQ 111 and DC filtering module 112, and the outfan of DC filtering module 112 is connected with the input of three-phase inversion module 113;MDQ 111 is for being unidirectional current by the single phase ac electric rectification of front end, after DC filtering module 112 filters, as the front end direct current power supply of three-phase inversion module 113.Train passes through the power taking equipment such as pantograph from Alternating Current Power Supply electrical network power taking, rectification is carried out by MDQ 111, and carried out DC filtering by DC filtering module 112, the outfan of DC filtering module 112 is connected with the input of three-phase inversion module 113, using this unidirectional current as the front end direct current power supply of three-phase inversion module 113.
In the present embodiment, three phase rectifier module 12 is three phase full bridge rectification module.As shown in Figure 4, three-phase inversion module 113 is to use the three-phase six controlled inversion module of brachium pontis of IGBT switching tube;Including 6 IGBT switching tube V1, V2, V3, V4, V5, V6;Three-phase filtration module 114 is isolation filter module, including retarder winding and filter capacitor;The former avris of described retarder winding is connected with the outfan of described three-phase inversion module 113 after connecting with filter capacitor, and the secondary side of described retarder winding is as the outfan of three-phase inversion module 11.As it is shown on figure 3, MDQ 111 is the single-phase full bridge rectification module including 4 diodes D1, D2, D3, D4;Described DC filtering module 112 is the filter capacitor C being connected in parallel on direct current just, between pole;It is of course also possible to be multiple electric capacity formed shunt capacitance group in parallel.
In the present embodiment, for to use the exchange railway operation circuit as power supply grid, train passes through the power taking equipment such as grade of pantograph from electrical network power taking, the alternating current of AC860V is converted to through transformator, input power as MDQ 111, AC860V AC rectification is the unidirectional current of 1000V by MDQ 111, and is filtered by the filter capacitor of DC filtering module 112.Meanwhile, this filter capacitor passes through energy storage, it is possible to provide instantaneous energy for three-phase inversion module 113.Needs according to train marshalling list situation, during for the power supply for coaches of AC380V power supply system, the DC inverter of 1000V is the three-phase alternating current of AC380V by three-phase inversion module 113, directly the alternating current of AC380V is directly exported, for the power supply for coaches of AC380V power supply system by power supply handover module 13;When needing the passenger vehicle for DC600V power supply system, the DC inverter of 1000V is the three-phase alternating current of AC460V by three-phase inversion module 113, and is carried out rectification by three phase rectifier module 12, for the unidirectional current of the passenger vehicle offer 600V of DC600V power supply system.
In the present embodiment, the electric power system of the present invention includes at least 2 independent power module groups 1.When the passenger vehicle shuffling of passenger vehicle and the AC380V power supply system of DC600V power supply system, the electric power system of the present invention uses 2 independent power module groups 1, two power module groups 1 work alone, the three-phase alternating current of the exportable AC380V of one of them power module group 1, power supply for coaches for AC380V power supply system, another power module group 1 exports the unidirectional current of DC600V, for the power supply for coaches of DC600V power supply system.By the power supply system of train of the present invention, can be that the mixed unit train with different power supply system provides the power supply meeting supply standard simultaneously, greatly facilitate the scheduling of train, grouping procedures, improve scheduling, the efficiency of marshalling.
Embodiment 2:
As in figure 2 it is shown, the present embodiment and embodiment 1 differ only in power supply handover module 13.In the present embodiment, power supply handover module 13 includes an input port and two output ports, and selects to turn on one of them output port;Input port is connected with the outfan of three-phase inversion module 11, one output port is connected with the input of three phase rectifier module 12, the outfan of three phase rectifier module 12 is as the DC output end mouth of power module group 1, and another output port will flow output port as power module group 1.By power supply handover module 13, can be directly using the output of three-phase inversion module 11 as the output of electric power system of the present invention;Or the output of three-phase inversion module 11 is connected with the input of three phase rectifier module 12, and using the output of three phase rectifier module 12 as the output of electric power system of the present invention.
The electric power system of the present invention, can realize the passenger vehicle of different power supply systems is powered, eliminate the dependence to generator car of the current AC380V passenger vehicle, not only facilitate scheduling and the marshalling of train, improve the efficiency of scheduling and marshalling, due also to save generator car, train can increase marshalling one joint passenger vehicle, increase power, save operation cost;Also eliminate the security risk brought because of generator car simultaneously.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, every content without departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall in the range of technical solution of the present invention is protected.

Claims (10)

1. a power supply system of train with dual output power supply standard, it is characterised in that: include the power module group (1) being made up of three-phase inversion module (11), three phase rectifier module (12) and power supply handover module (13);Described three-phase inversion module (11) is for being converted to three-phase alternating current by the single-phase alternating current of input;It is unidirectional current that described three phase rectifier module (12) is used for the three-phase alternating current electric rectification that three-phase inversion module (11) exports;
Described power module group (1) includes DC output end mouth and ac output end mouth;The outfan of described three-phase inversion module (11) is exported by ac output end mouth, and the outfan of described three phase rectifier module (12) is exported by DC output end mouth;Described power supply handover module (13) is for the selection switching between described power module group (1) DC output end mouth and ac output end mouth.
The power supply system of train with dual output power supply standard the most according to claim 1, it is characterised in that: described power supply handover module (13) includes two groups of input/output ports, and selects to turn on one of which input/output port;The input of one group of input/output port is connected with the outfan of three phase rectifier module (12), and outfan is as the DC output end mouth of power module group (1);The input of another group input/output port is connected with the outfan of three-phase inversion module (11), and outfan is as the ac output end mouth of power module group (1).
The power supply system of train with dual output power supply standard the most according to claim 2, it is characterised in that: include at least 2 independent current sources module group (1).
The power supply system of train with dual output power supply standard the most according to claim 1, it is characterised in that: described power supply handover module (13) includes an input port and two output ports, and selects to turn on one of them output port;Described input port is connected with the outfan of three-phase inversion module (11), one output port is connected with the input of three phase rectifier module (12), the outfan of three phase rectifier module (12) will flow output port as the DC output end mouth of power module group (1), another output port as power module group (1).
The power supply system of train with dual output power supply standard the most according to claim 4, it is characterised in that: include at least 2 independent current sources module group (1).
6. according to the power supply system of train with dual output power supply standard described in any one of claim 1 to 5, it is characterised in that: described three-phase inversion module (11) includes being sequentially connected with three-phase inversion module (113) and three-phase filtration module (114);It is three-phase alternating current that described three-phase inversion module (113) is used for the DC inverter of front end;Described three-phase filtration module (114) is for being filtered the output of three-phase inversion module (113).
The power supply system of train with dual output power supply standard the most according to claim 6, it is characterized in that: described three-phase inversion module (11) also includes being sequentially connected with MDQ (111) and DC filtering module (112), the outfan of DC filtering module (112) is connected with the input of described three-phase inversion module (113);Described MDQ (111) is for being unidirectional current by the single phase ac electric rectification of front end, after DC filtering module (112) filters, as the front end direct current power supply of described three-phase inversion module (113).
The power supply system of train with dual output power supply standard the most according to claim 7, it is characterised in that: described three phase rectifier module (12) is three phase full bridge rectification module.
The power supply system of train with dual output power supply standard the most according to claim 8, it is characterised in that: described three-phase inversion module (113) is the three-phase six controlled inversion module of brachium pontis using IGBT switching tube;Described three-phase filtration module (114) is isolation filter module, including retarder winding and filter capacitor;The former avris of described retarder winding is connected with the outfan of described three-phase inversion module (113) after connecting with filter capacitor, and the secondary side of described retarder winding is as the outfan of three-phase inversion module (11).
The power supply system of train with dual output power supply standard the most according to claim 9, it is characterised in that: described MDQ (111) is single-phase full bridge rectification module;Described DC filtering module (112) is the filter capacitor being connected in parallel on direct current just, between pole.
CN201610276824.0A 2016-04-29 2016-04-29 Train power supply system comprising dual-output power system Pending CN105958494A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428121A (en) * 2016-11-16 2017-02-22 中国神华能源股份有限公司 Hybrid electric locomotive group control method and control system
CN107370154A (en) * 2017-08-16 2017-11-21 威海广泰空港设备股份有限公司 The aircraft power truck of one key power supply
CN109484180A (en) * 2017-09-12 2019-03-19 株洲中车时代电气股份有限公司 A kind of dual power supply standard electric locomotive power supply system of train and its method of supplying power to
CN114157125A (en) * 2021-12-06 2022-03-08 深圳市迪浦电子有限公司 Power converter and system

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Publication number Priority date Publication date Assignee Title
CN101075783A (en) * 2007-06-01 2007-11-21 武汉大学 Three-phase medium-frequency DC high-voltage power supply for ESP
CN103434431A (en) * 2013-08-30 2013-12-11 辽宁意思德电气有限公司 Movable type locomotive traction power supply and energy storage power vehicle
CN105099214A (en) * 2014-05-05 2015-11-25 乐金电子研发中心(上海)有限公司 Single-stage step-up inverter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101075783A (en) * 2007-06-01 2007-11-21 武汉大学 Three-phase medium-frequency DC high-voltage power supply for ESP
CN103434431A (en) * 2013-08-30 2013-12-11 辽宁意思德电气有限公司 Movable type locomotive traction power supply and energy storage power vehicle
CN105099214A (en) * 2014-05-05 2015-11-25 乐金电子研发中心(上海)有限公司 Single-stage step-up inverter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106428121A (en) * 2016-11-16 2017-02-22 中国神华能源股份有限公司 Hybrid electric locomotive group control method and control system
CN107370154A (en) * 2017-08-16 2017-11-21 威海广泰空港设备股份有限公司 The aircraft power truck of one key power supply
CN107370154B (en) * 2017-08-16 2024-01-30 威海广泰空港设备股份有限公司 Aviation power supply vehicle powered by one key
CN109484180A (en) * 2017-09-12 2019-03-19 株洲中车时代电气股份有限公司 A kind of dual power supply standard electric locomotive power supply system of train and its method of supplying power to
CN114157125A (en) * 2021-12-06 2022-03-08 深圳市迪浦电子有限公司 Power converter and system

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Application publication date: 20160921