CN113997958B - Three-power locomotive consist with power battery car and extensible traction topological structure - Google Patents
Three-power locomotive consist with power battery car and extensible traction topological structure Download PDFInfo
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- CN113997958B CN113997958B CN202111470226.4A CN202111470226A CN113997958B CN 113997958 B CN113997958 B CN 113997958B CN 202111470226 A CN202111470226 A CN 202111470226A CN 113997958 B CN113997958 B CN 113997958B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The invention discloses a three-power locomotive consist with a power battery car and an extensible traction topological structure, which comprises a three-power locomotive and at least one externally-hung power battery car connected with the three-power locomotive, wherein the externally-hung power battery car can be equipped and re-connected as required, and the three-power locomotive is provided with three power sources of a pantograph, a power battery and a diesel engine. The invention provides a vehicle group with three power sources, which are respectively applicable to different application requirements. The vehicle-mounted power battery system adopts an externally-hung battery mode and an expandable power bus topological structure, and can flexibly increase the available total power battery capacity by adopting a mode of adjusting the vehicle-mounted battery quantity of externally-hung battery vehicles and increasing the number of externally-hung battery vehicles according to the needs in theory.
Description
Technical Field
The invention belongs to the technical field of locomotives, and particularly relates to a three-power locomotive consist with a power battery car and an expandable traction topological structure.
Background
The method is characterized in that the method comprises the steps of providing a plurality of unique multi-tunnel large-ramp plateau railways in the world, such as Qinghai-Tibet railways, sichuan-Tibet railways and the like, wherein the longest single tunnel is more than tens of kilometers, and the limiting ramp is three times that of a common railway. The rescue problem under the accident condition on the line is a difficult problem which always puzzles the industry, particularly the rescue in a large-slope long tunnel under the fault condition of the contact net, no absolute safe rescue plan exists at present, and the main problems are that the current rescue hot standby locomotive is mostly of a lead locomotive type, and a rescue locomotive or locomotive group specially developed for specific line and environmental conditions is lacking; diesel engine traction is adopted in the tunnel to threaten personal safety of drivers, passengers and passengers; traction distance is limited by means of vehicle-mounted power batteries, and traction of the full tunnel battery cannot be completed; the traction force is insufficient when the rescue heavy-load train goes up the slope; the braking force of the heavy-load train after the rescue braking failure is insufficient when the heavy-load train descends a slope; if the long-term heat equipment of a plurality of locomotives is adopted to deal with the problems, the economical efficiency is poor and the utilization rate is low.
The prior art is mainly a diesel engine or a pantograph single-power locomotive or a diesel engine-power battery hybrid locomotive, the diesel engine locomotive is not suitable for a pollutant sensitive area which is not suitable for a diesel engine in a long tunnel, and an electric locomotive with the pantograph cannot be used when a contact net fails, so that the prior art cannot meet rescue and traction in the long tunnel under the condition that the contact net is not electrified.
The hybrid locomotive is a vehicle-mounted diesel engine and a vehicle-mounted power battery, and can not effectively utilize a railway contact net. And the weight and the space of the locomotive are limited, the capacity of the loaded power battery is smaller, and the loaded power battery cannot support long-time pure battery traction, such as pure electric rescue in a long tunnel under the fault condition of a contact network.
In addition, the current locomotives have 4-6 basically moving shafts, the adhesion weight is limited, the traction force provided by the locomotive is limited, and the starting and traction requirements of the heavy-load train during traction or rescue under the condition of a heavy ramp are difficult to meet; meanwhile, the braking force provided by the system is limited, and under the condition that a braking system of a rescue train fails, the driving safety and the ramp stopping of the large-load train during traction and rescue under the condition of a large ramp are difficult to meet. At present, the traction and rescue of a large-load train under the condition of a large ramp are realized only by adding a rescue locomotive.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a three-power locomotive unit with a power battery car and an expandable traction topological structure.
The aim of the invention is achieved by the following technical scheme: the three-power locomotive unit with the power battery car and the extensible traction topological structure comprises a three-power locomotive and at least one externally-hung power battery car connected with the three-power locomotive, wherein the externally-hung power battery car can be equipped and re-connected as required, and the three-power locomotive is provided with three power sources of a pantograph, a power battery and a diesel engine.
Further: the externally hung power battery car is provided with a traction inversion system and a traction motor, control signals of the traction inversion system and the traction motor are provided by triple-motor locomotive reconnection, and additional traction force is provided by adding 4-6 traction driving shafts, so that the starting and traction requirements of a heavy-load train under the condition of a heavy ramp are met.
Further: according to the self-contained train braking system of the plug-in power battery car, by adding 4-6 braking shafts, extra braking force is provided under the condition that the rescue train braking system fails, and the running safety and the ramp stopping requirements of a heavy-load train under the condition of a heavy ramp can be met.
Further: the connection mode of the three-power locomotive and the externally-hung power battery car is an expandable direct current bus traction topological structure.
Further: the three-power locomotive comprises a pantograph, a transformer, a diesel generator set, a main circuit breaker, a rectifier, a storage battery E1, inverters D1-D6 and motors M1-M6, wherein the pantograph is connected with the 1 end of the transformer through the main circuit breaker, the 2 end of the transformer is connected to the ground, the 3 end of the transformer is connected with the 1 end of the rectifier through a switch K1, the diesel generator set is connected with the 2 end of the rectifier through a switch K2, one end of the rectifier, one end of the switch K3, one end of the inverter D1, one end of the 1 end of the inverter D2, one end of the 1 end of the inverter D3, one end of the 1 end of the inverter D5, one end of the 1 end of the inverter D6, one end of the 2 end of the inverter D3, one end of the 2 of the inverter D4, one end of the 2 end of the inverter D4, one end of the inverter D5, one end of the 2 of the inverter D5, one end of the inverter D6, one end of the motor M3, one end of the inverter D4, one end of the inverter D6, one end of the motor D3 and the other end of the motor M3 are all connected to the 3D 4, and the other end of the inverter 3D 6, and the motor M4 are all connected to the 3 end of the 3D 3.
Further: the storage battery E1 is a small-capacity power battery.
Further: the externally hung power battery car comprises a storage battery E2, inverters D7-D10 and motors M7-M10, one end of the storage battery E2 is respectively connected with a direct current bus, 1 end of the inverter E7, 1 end of the inverter E8, 1 end of the inverter E9 and 1 end of the inverter E10 through a switch K5, the other end of the storage battery E2 is respectively connected with the direct current bus, 2 ends of the inverter E7, 2 ends of the inverter E8, 2 ends of the inverter E9 and 2 ends of the inverter E10 through a switch K6, 3 ends of the inverter D7 are connected with the motor M7, 3 ends of the inverter D8 are connected with the motor M8, 3 ends of the inverter D9 are connected with the motor M9, and 3 ends of the inverter D10 are connected with the motor M10.
Further: the storage battery E2 is a high-capacity power battery.
The foregoing inventive concepts and various further alternatives thereof may be freely combined to form multiple concepts, all of which are contemplated and claimed herein. Various combinations will be apparent to those skilled in the art from a review of the present disclosure, and are not intended to be exhaustive or all of the present disclosure.
The invention has the beneficial effects that:
a) The invention provides a vehicle group with three power sources, which are respectively applicable to different application requirements.
b) The vehicle-mounted power battery system adopts an externally-hung battery mode and an expandable power bus topological structure, and can flexibly increase the available total power battery capacity by adopting a mode of adjusting the vehicle-mounted battery quantity of externally-hung battery vehicles and increasing the number of externally-hung battery vehicles according to the needs in theory.
c) The train set is used as a hot standby rescue locomotive, and when the contact net loses electricity, the high-capacity power battery of the reconnection can meet the emission-free rescue traction requirement in a long tunnel.
d) When the train set is used as a hot standby rescue locomotive, the adhesion weight of the heavy-duty high-capacity power battery car can be effectively utilized, the movable shaft can provide additional traction force and braking force, and the use requirements of the heavy-load traction on a large slope and the limit working conditions such as locomotive braking and the like can be met when the rescue locomotive braking system fails.
e) Compared with a special marshalling station, the general shunting operation task of the hot standby station of the rescue locomotive is smaller, but the three power locomotives in the train set are indispensable, and can be singly used for bearing the temporary shunting operation task and the electric traction task of the station yard, so that the temporary shunting operation task and the electric traction task of the station yard are fully utilized. The power battery car is simple in configuration, low in cost and capable of reducing economic pressure of equipment purchase.
f) After the vehicle-mounted power battery of the three-power locomotive is used to a certain extent in daily operation, the vehicle-mounted power battery can be exchanged with the power battery on the externally-hung power battery car in turn, so that the utilization degree of the power battery is improved.
g) The equipment provided by the externally-hung power battery car can be used as spare parts of a three-power locomotive for replacement, and the pressure of maintenance spare parts is reduced.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a diagram of the scalable dc bus traction topology of the present invention.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that, for the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships in which the inventive product is conventionally placed in use, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the present invention, if a specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written, the structure, connection relationship, position relationship, power source relationship, etc. related to the present invention can be known by those skilled in the art without any creative effort.
Example 1:
referring to fig. 1, the invention discloses a three-power locomotive unit with a power battery car and an expandable traction topological structure, which comprises a three-power locomotive and at least one plug-in power battery car connected with the three-power locomotive, wherein the three-power locomotive is provided with three power sources of a pantograph, a power battery and a diesel engine. The functions of shunting operation, trunk traction and rescue in an emergency trunk tunnel are considered. By analyzing traction or rescue requirements, the requirements of the line length, the ramp and traction load which are required to be used by the pure batteries are evaluated, and more plug-in power battery vehicles can be equipped and reconnected as required.
In a plateau railway, most rescue locomotives are hot-standby stations, only one shunting locomotive is needed for daily shunting operation, under the main line traction and rescue functions of shunting in a daily station and normal overhead lines, three power locomotives are independently used, a shunting mode adopts a power battery or a diesel engine to provide power, and a small-capacity power battery is provided for supplying power to an auxiliary system of the locomotive during waiting. When the main line traction and rescue operation is needed during non-tunnel and normal contact net, the pantograph is adopted to provide power.
Under the line condition with a long tunnel and a large ramp, if the overhead line system fails, when main line traction and rescue are carried out, the diesel engine, the pantograph and the small-capacity power battery three-power locomotive and the externally hung large-capacity power battery car are fixedly connected in series, and the electric quantity of the large-capacity power battery can meet the traction and rescue in a long-distance tunnel environment, so that the influence of the exhaust emission of the diesel engine in the tunnel on the personnel safety of passengers and passengers is avoided;
the external-hanging large-capacity battery car is provided with a traction inversion system, a traction motor and other main transmission system components and related auxiliary equipment. Traction control signals and the like are provided by a triple-motor locomotive reconnection. And by adding 4-6 traction driving shafts, extra traction force is provided, and the starting and traction requirements of the heavy-load train under the condition of a heavy ramp can be met.
And the externally hung high-capacity battery car is provided with a train braking system. And 4-6 brake shafts are added, so that additional braking force is provided under the condition that a braking system of a rescue train fails, and the running safety and the ramp stopping requirements of a heavy-load train under the condition of a heavy ramp can be met.
The three-power locomotive is connected with the direct current link of the external battery car, multi-car expansion can be realized, mutual redundancy supplement is realized by each car owner traction circuit, and meanwhile, the overhead line system and the diesel engine of the three-power locomotive can charge each external battery car.
The three-power locomotive and the externally hung battery car realize control reconnection and make cooperative action to the driver instruction.
The three-power locomotive is connected with the air pipe of the externally-hung battery car and performs cooperative action on the instruction of a driver.
The multiple-unit can select multiple external battery vehicles for reconnection according to different battery power, traction and braking force requirements during rescue or traction.
The rescue is rarely happened, but the rescue equipment is the last line of defense of safety, and is indispensable to the railway, so that the rescue requirement of a large-ramp multi-tunnel line is met, and the situation that a plurality of full-function locomotives are used for standby at any time is uneconomical. By adopting the scheme, the externally hung battery car is not used as a shunting car at ordinary times and is in a standby state at any time, and the large-capacity power battery and the traction system which are equipped with the externally hung battery car can be used as spare parts of a three-power locomotive for replacement.
The main configuration of locomotives in a consist:
three-power locomotive-external corridor car body, diesel engine auxiliary equipment, current-collecting system, transformer, a group of modularized power battery package (power battery and external power battery car can be exchanged integrally), resistance brake device, current-collecting device, battery auxiliary equipment, driver's cab, toilet, microcomputer control system, bogie with traction and basic brake device, air brake system, etc.
External power battery car-box type car body, multi-group modularized power battery pack (single group and three power locomotive power batteries are exchanged), inverter, bogie with traction and air brake system, etc.
As shown in fig. 2, the connection mode of the three-power locomotive and the externally-hung power battery car is an expandable direct-current bus traction topological structure. The three-power locomotive comprises a pantograph, a transformer, a diesel generator set, a main circuit breaker, a rectifier, a storage battery E1, inverters D1-D6 and motors M1-M6, wherein the pantograph is connected with the 1 end of the transformer through the main circuit breaker, the 2 end of the transformer is connected to the ground, the 3 end of the transformer is connected with the 1 end of the rectifier through a switch K1, the diesel generator set is connected with the 2 end of the rectifier through a switch K2, one end of the rectifier, one end of the switch K3, one end of the inverter D1, one end of the 1 end of the inverter D2, one end of the 1 end of the inverter D3, one end of the 1 end of the inverter D5, one end of the 1 end of the inverter D6, one end of the 2 end of the inverter D3, one end of the 2 of the inverter D4, one end of the 2 end of the inverter D4, one end of the inverter D5, one end of the 2 of the inverter D5, one end of the inverter D6, one end of the motor M3, one end of the inverter D4, one end of the inverter D6, one end of the motor D3 and the other end of the motor M3 are all connected to the 3D 4, and the other end of the inverter 3D 6, and the motor M4 are all connected to the 3 end of the 3D 3. The externally hung power battery car comprises a storage battery E2, inverters D7-D10 and motors M7-M10, one end of the storage battery E2 is respectively connected with a direct current bus, 1 end of the inverter E7, 1 end of the inverter E8, 1 end of the inverter E9 and 1 end of the inverter E10 through a switch K5, the other end of the storage battery E2 is respectively connected with the direct current bus, 2 ends of the inverter E7, 2 ends of the inverter E8, 2 ends of the inverter E9 and 2 ends of the inverter E10 through a switch K6, 3 ends of the inverter D7 are connected with the motor M7, 3 ends of the inverter D8 are connected with the motor M8, 3 ends of the inverter D9 are connected with the motor M9, and 3 ends of the inverter D10 are connected with the motor M10. The topological graph is characterized in that the three-power vehicle realizes traction transmission topology of three power sources. The direct current bus is also an external physical interface of the three-power vehicle. The battery car direct current bus is a battery single power source traction transmission topology. The direct current bus is also an external physical interface of the television vehicle. The direct current buses of the two vehicles can be connected in parallel, so that the total direct current expansion is realized.
The locomotive with three power sources can be independently used as a shunting locomotive and trunk traction, can be used for reconnecting more intermediate power batteries according to the needs to realize the pure battery trunk traction and rescue occasions of high-power electricity utilization, and can be used for taking the shunting, the big ramp and the rescue function in a tunnel into consideration in trunk traction and rescue occasions of high traction and braking force.
The power battery car is only provided with basic vehicle-mounted equipment such as an air braking system, a traction system, a power battery and the like, and is not provided with equipment such as a wind source system, a cab and the like, so that the required functions are realized, the whole configuration and the cost are simplified, and a control instruction of the power battery car is from a head car.
The three-power locomotive can realize traction of three power sources, select the power source according to the requirement, obtain electric energy provided by other vehicles through the extensible direct current bus of the three-power locomotive, and charge batteries on a power battery car. The traction braking command can be transmitted to the power battery car through the control reconnection.
The invention relates to an extensible traction topological structure, wherein a direct current bus is a locomotive physical external interface, and a plurality of power battery car power battery direct current buses can be connected in parallel.
The invention relates to a three-power locomotive and a three-power locomotive set formed by 1 or more power battery cars with traction and braking functions.
Besides basic locomotive configuration and functions, the three-power locomotive is provided with three power sources of a pantograph, a power battery and a diesel engine and auxiliary systems thereof.
Besides basic vehicle configuration such as body structure, shape-changing part and air brake system, the power battery vehicle features that its power battery and external electric interface are carried by vehicle and at the same time the traction drive system is optionally equipped to realize traction function.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (4)
1. The three-power locomotive unit with the power battery car is characterized by comprising a three-power locomotive and at least one externally-hung power battery car connected with the three-power locomotive, wherein the externally-hung power battery car can be equipped and re-connected as required, and the three-power locomotive is provided with three power sources of a pantograph, a power battery and a diesel engine;
the connection mode of the three-power locomotive and the externally-hung power battery car is an expandable direct current bus traction topological structure;
the three-power locomotive comprises a pantograph, a transformer, a diesel generator set, a main circuit breaker, a rectifier, a storage battery E1, inverters D1-D6 and motors M1-M6, wherein the pantograph is connected with the 1 end of the transformer through the main circuit breaker, the 2 end of the transformer is connected to the ground, the 3 end of the transformer is connected with the 1 end of the rectifier through a switch K1, the diesel generator set is connected with the 2 end of the rectifier through a switch K2, the 3 end of the rectifier, one end of the switch K3, the 1 end of the inverter D1, the 1 end of the inverter D2, the 1 end of the inverter D3, the 1 end of the inverter D4, the 1 end of the inverter D5, the 1 end of the inverter D6, one end of the switch K4, the 2 end of the inverter D2, the 2 end of the inverter D4, the 2 end of the inverter D5, the 2 end of the inverter D6, the motor M4, the other end of the inverter D3 and the motor M6 are all connected to a DC bus, and the 3D 4 end of the inverter D4 is connected with the 3 end of the inverter D6;
the externally hung power battery car is provided with a traction inversion system and a traction motor, control signals of the traction inversion system and the traction motor are provided by reconnection of the three-power locomotive, and additional traction force is provided by adding 4-6 traction driving shafts, so that the starting and traction requirements of a heavy-load train under the condition of a heavy ramp are met;
the traction inversion system comprises inverters D7-D10, and the traction motor comprises motors M7-M10;
the externally hung power battery car comprises a storage battery E2, inverters D7-D10 and motors M7-M10, one end of the storage battery E2 is respectively connected with a direct current bus, 1 end of the inverter D7, 1 end of the inverter D8, 1 end of the inverter D9 and 1 end of the inverter E10 through a switch K5, the other end of the storage battery E2 is respectively connected with the direct current bus, 2 ends of the inverter D7, 2 ends of the inverter D8, 2 ends of the inverter D9 and 2 ends of the inverter D10 through a switch K6, 3 ends of the inverter D7 are connected with the motor M7, 3 ends of the inverter D8 are connected with the motor M8, 3 ends of the inverter D9 are connected with the motor M9, and 3 ends of the inverter D10 are connected with the motor M10.
2. The three-power locomotive consist with the power battery car according to claim 1, wherein the externally hung power battery car is provided with a train braking system, and by adding 4-6 braking shafts, extra braking force is provided under the condition that the rescue train braking system fails, so that the running safety and the ramp stopping requirements of a heavy-load train under the condition of a heavy ramp can be met.
3. The three-power locomotive consist of a powered battery car of claim 1, wherein the battery E1 is a low capacity power battery.
4. The three-power locomotive consist of a powered battery car of claim 1, wherein the battery E2 is a high capacity power battery.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470226.4A CN113997958B (en) | 2021-12-03 | 2021-12-03 | Three-power locomotive consist with power battery car and extensible traction topological structure |
| PCT/CN2022/112354 WO2023098142A1 (en) | 2021-12-03 | 2022-08-15 | Three-power locomotive unit having power battery vehicle and extensible traction topological structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111470226.4A CN113997958B (en) | 2021-12-03 | 2021-12-03 | Three-power locomotive consist with power battery car and extensible traction topological structure |
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| CN113997958A CN113997958A (en) | 2022-02-01 |
| CN113997958B true CN113997958B (en) | 2023-04-28 |
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| CN113997958B (en) * | 2021-12-03 | 2023-04-28 | 中车资阳机车有限公司 | Three-power locomotive consist with power battery car and extensible traction topological structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3911621B2 (en) * | 2000-06-06 | 2007-05-09 | 株式会社日立製作所 | Railway system for battery-powered trains |
| RO126553A0 (en) * | 2010-09-20 | 2011-08-30 | Promat S.R.L. | Diesel-electric locomotive with a.c-a.c. transmission |
| CN203254973U (en) * | 2013-04-22 | 2013-10-30 | 湖北时瑞达重型工程机械有限公司 | Multi-power heavy section car |
| CN103481787B (en) * | 2013-06-24 | 2015-12-23 | 长春轨道客车股份有限公司 | The motor train unit traction system of contact system, power bag and closed-center system hybrid power supply |
| CN203372078U (en) * | 2013-06-24 | 2014-01-01 | 长春轨道客车股份有限公司 | Motor train unit traction system achieving hybrid power supply of overhead line system, power pack and energy storage device |
| CN109278765B (en) * | 2018-09-19 | 2024-02-13 | 中车资阳机车有限公司 | Main line hybrid power locomotive group control system |
| CN110696846A (en) * | 2019-10-23 | 2020-01-17 | 中车大连机车车辆有限公司 | Multi-power-source railway vehicle and main and auxiliary transmission system and method thereof |
| CN111409653B (en) * | 2020-04-21 | 2020-11-03 | 中车资阳机车有限公司 | Power conversion system of working vehicle |
| CN113183766B (en) * | 2021-05-28 | 2022-05-24 | 湖南大学 | Multi-source multi-system electric locomotive traction transmission system topology |
| CN113997958B (en) * | 2021-12-03 | 2023-04-28 | 中车资阳机车有限公司 | Three-power locomotive consist with power battery car and extensible traction topological structure |
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- 2021-12-03 CN CN202111470226.4A patent/CN113997958B/en active Active
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- 2022-08-15 WO PCT/CN2022/112354 patent/WO2023098142A1/en unknown
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| WO2023098142A1 (en) | 2023-06-08 |
| CN113997958A (en) | 2022-02-01 |
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