CN111775976A - Hybrid shunting locomotive control system based on four-quadrant rectification - Google Patents
Hybrid shunting locomotive control system based on four-quadrant rectification Download PDFInfo
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- CN111775976A CN111775976A CN202010795666.6A CN202010795666A CN111775976A CN 111775976 A CN111775976 A CN 111775976A CN 202010795666 A CN202010795666 A CN 202010795666A CN 111775976 A CN111775976 A CN 111775976A
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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
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a hybrid shunting locomotive control system based on four-quadrant rectification, which is characterized by at least comprising: the system comprises a power battery, a diesel generator set, a four-quadrant rectification module, a pre-charging module and a traction motor; the power battery is electrically connected with the traction motor through a pre-charging module; the diesel generator set is respectively connected with a pre-charging module and a power battery through the four-quadrant rectification module and is electrically connected with a traction motor through the pre-charging module; and supplying power to the traction motor through the power battery and/or the diesel generator set. The control system solves the problems of complex control strategy and high control difficulty in the traditional technology through the structural arrangement.
Description
Technical Field
The invention belongs to the technical field of new energy shunting locomotives, and particularly relates to a hybrid shunting locomotive control system based on four-quadrant rectification.
Background
The existing shunting locomotives are basically diesel engine-based electric transmission or hydraulic transmission shunting locomotives and have no control logic in the aspect of hybrid power. A part of new energy hybrid shunting locomotives are based on a special diesel engine and a main generator and are mainly matched according to a diesel engine characteristic curve and a main generator characteristic curve, so that the control strategy is complex and the control difficulty is high.
Therefore, a shunting control system for hybrid power is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a control system of a hybrid shunting locomotive based on four-quadrant rectification, and the control system solves the problems of complex control strategy and high control difficulty in the prior art through the structural arrangement of the control system.
The purpose of the invention is realized by the following technical scheme:
a hybrid shunting locomotive control system based on four-quadrant rectification, the shunting locomotive control system comprising at least: the system comprises a power battery, a diesel generator set, a four-quadrant rectification module, a pre-charging module and a traction motor; the power battery is electrically connected with the traction motor through a pre-charging module; the diesel generator set is respectively connected with a pre-charging module and a power battery through the four-quadrant rectification module and is electrically connected with a traction motor through the pre-charging module; and supplying power to the traction motor through the power battery and/or the diesel generator set.
According to a preferred embodiment, the shunting locomotive control system further comprises an industrial generator set, and the industrial generator set is respectively connected with the power battery and the traction motor through the four-quadrant rectification module.
According to a preferred embodiment, the shunting locomotive control system further comprises a locomotive auxiliary system, and the power battery is connected with the locomotive auxiliary system through the four-quadrant rectification module and supplies power to the locomotive auxiliary system; the diesel generator set and the industrial generator set are connected with the locomotive auxiliary system to supply power to the locomotive auxiliary system; the locomotive auxiliary system includes at least a traction motor ventilator and an air conditioning/life power unit.
According to a preferred embodiment, when the shunting locomotive control system is in a pure electric working condition, the power battery supplies power to the traction motor, and meanwhile, the power battery supplies power to the auxiliary system through the four-quadrant rectification module.
According to a preferred embodiment, when the shunting locomotive control system is in a pure electric working condition, the four-quadrant rectification module works in an inversion mode, the four-quadrant rectification module is used as an inverter to output 380V/50Hz alternating current, and the alternating current is supplied to an auxiliary system for power consumption after being subjected to sine wave filtering.
According to a preferred embodiment, when the shunting locomotive control system is in a pure diesel working condition, the power battery is disconnected with the pre-charging module, the diesel generator set supplies power to the traction motor through a four-quadrant rectification module,
according to a preferred embodiment, when the shunting locomotive control system is in a pure diesel condition, the four-quadrant rectification module works in a PWM rectification mode and outputs a constant DC608V DC voltage.
According to a preferred embodiment, when the shunting locomotive control system is in a mixed working condition, when the shunting locomotive is in a low handle position, the power battery preferentially supplies power to the traction motor, when the SOC of the power battery is lower than 30%, the diesel generator set is started to supply power to the traction motor, and when the diesel generator set meets the traction power requirement, the residual power charges the power battery; when the shunting locomotive is at a high handle position, the diesel generator is started, and the output of the four-quadrant rectification module is controlled to realize the mixing of the diesel generator set and the power battery to supply power to the traction motor.
According to a preferred embodiment, when the shunting locomotive control system is in a mixed working condition and the shunting locomotive is in a low handle position, the four-quadrant rectification module works in a PWM rectification mode, and the four-quadrant rectification module controls to output constant current to charge the power battery until the SOC of the power battery is higher than 95%, and the diesel generator set stops working.
According to a preferred embodiment, when the shunting locomotive control system is in a ground charging mode, the industrial generator set charges the power battery through the four-quadrant rectification module, the four-quadrant rectification module operates in a PWM rectification mode, and the four-quadrant rectification module controls to output constant current to charge the power battery.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
The invention has the beneficial effects that: the four-quadrant rectifier module has two working modes, and can be used as a PWM rectifier and an inverter, so that the system configuration is simplified, and the four-quadrant rectifier module is favorable for overhauling and maintenance. And a perfect software control strategy is adopted, so that perfect mixed operation of the diesel generating set and the power battery is realized.
Drawings
FIG. 1 is a system topology diagram of a shunting locomotive control system of the present invention;
FIG. 2 is a schematic diagram of the power battery power-on logic of the shunting locomotive control system of the present invention;
FIG. 3 is a schematic diagram of the start-up logic of the diesel engine in the control system of the shunting locomotive according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations and positional relationships that are conventionally used in the products of the present invention, and are used merely for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the 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 otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, it should be noted that, in the present invention, if the specific structures, connection relationships, position relationships, power source relationships, and the like are not written in particular, the structures, connection relationships, position relationships, power source relationships, and the like related to the present invention can be known by those skilled in the art without creative work on the basis of the prior art.
Example 1:
referring to fig. 1, the invention discloses a control system of a hybrid shunting locomotive based on four-quadrant rectification. The shunting locomotive control system comprises: the system comprises a power battery, a diesel generating set, an industrial generating set, a four-quadrant rectifier module, a pre-charging module, a traction motor and a locomotive auxiliary system. The industrial generator set includes, but is not limited to, a hydroelectric generator set, a wind turbine generator set, a thermal power generator set and the like.
Preferably, the power battery is electrically connected with the traction motor through a pre-charging module. The diesel generator set is respectively connected with the pre-charging module and the power battery through the four-quadrant rectification module and is electrically connected with the traction motor through the pre-charging module. And supplying power to the traction motor through the power battery and/or the diesel generator set.
Preferably, the industrial generator set is respectively connected with the power battery and the traction motor through the four-quadrant rectification module.
Preferably, the power battery is connected with the locomotive auxiliary system through the four-quadrant rectification module to supply power to the locomotive auxiliary system.
Preferably, the diesel generator set and the industrial generator set are connected with the locomotive auxiliary system to supply power to the locomotive auxiliary system.
Preferably, the locomotive auxiliary system includes at least a traction motor ventilator and an air conditioning/utility power unit.
The shunting locomotive control system adopts a four-quadrant rectification module to boost the electricity generated by an industrial general generator set and a diesel generator set and then independently supply power to a traction circuit or supply power to the traction circuit together with a power battery; when the industrial generator set and the diesel generator set do not work, the four-quadrant rectification module is used as an inverter to output 380V/50Hz alternating current, and the alternating current is supplied to an auxiliary system for power consumption after being subjected to sine wave filtering. Namely, the four-quadrant rectifier module has two working modes, can be used as a PWM rectifier and an inverter, simplifies system configuration and is beneficial to overhaul and maintenance.
Preferably, when the shunting locomotive control system is in a pure electric working condition, the power battery supplies power to the traction motor, and meanwhile, the power battery supplies power to the auxiliary system through the four-quadrant rectification module.
Further, when the shunting locomotive control system is in a pure electric working condition, the four-quadrant rectification module works in an inversion mode, outputs 380V/50Hz alternating current as an inverter, and supplies power to an auxiliary system after sine wave filtering.
Preferably, under the pure electric working condition, the power battery directly supplies power to the traction loop or the traction motor, the power is supplied to the traction inverter during traction, the locomotive control unit gives torque according to the position of the handle of the locomotive, and the frequency converter controls the torque of the motor. During regenerative braking, the locomotive control unit gives the braking power of the traction inverter according to the position of the locomotive handle, and limits the regenerative braking current through controlling the power.
Preferably, the lowest available SOC of the power battery under the pure electric working condition is limited to 15%. Meanwhile, the locomotive control unit controls the four-quadrant rectification module to work in an inversion mode, the four-quadrant rectification module serves as an inverter to output 380V/50Hz alternating current, and the alternating current is supplied to an auxiliary system for power consumption after being filtered by sine waves.
Preferably, as shown with reference to fig. 2. Power battery power-on logic: after the control power supply is powered on, the locomotive sends a wake-up signal to the BMS system under the condition that the locomotive control unit normally works, and the BMS management system starts to work. When the key switch is turned on, the locomotive control unit receives a master control key switch signal, the locomotive control unit system outputs a power-on signal to the BMS system, and the BMS management system closes the high-voltage box contactor. When the locomotive control unit monitors a BMS system high-voltage box contactor closing signal, the locomotive control unit controls a power battery pre-charging contactor to be closed, a power battery charges a middle direct current loop capacitor through a pre-charging resistor, when the middle direct current loop voltage is larger than 480V, a discharging contactor is switched on, and the power battery starts to supply power to a middle direct current loop, so that power supply to a traction motor is realized.
Furthermore, during the power battery power-on process, the locomotive control unit detects whether the relevant system has a fault with an upper voltage influence. The locomotive control unit is communicated with the BMS, the BMS sends self-checking state data, if the fault data of the upper high voltage is not influenced, the relevant system of the locomotive control unit also does not influence the existence of the fault of the upper high voltage, and the locomotive control unit sends a signal of the upper high voltage to the BMS. The locomotive control unit detects whether a fault of high voltage needing to be cut off exists in a related system, and the locomotive control unit and the BMS communication receiving BMS system detect whether a fault of high voltage needing to be cut off exists. If a fault needing to lower the high voltage exists, the locomotive control unit firstly controls the locomotive to unload, stops the work of discharging or charging the power battery, and cancels the 'high voltage signal' after the relevant contactor is disconnected.
Preferably, when the shunting locomotive control system is in a pure diesel working condition, the power battery is disconnected with the pre-charging module, and the diesel generator set supplies power to the traction motor through the four-quadrant rectification module. And the pure diesel oil working condition prohibits the regenerative braking.
Further, when the shunting locomotive control system is in a pure diesel oil working condition, the four-quadrant rectification module works in a PWM rectification mode and outputs constant DC608V direct-current voltage.
Preferably as shown in fig. 3. When the shunting locomotive control system is in a mixed working condition. When the shunting locomotive is in a low handle position, for example, the handle position is lower than 5. The power battery preferentially supplies power to the traction motor, when the SOC of the power battery is lower than 30%, the diesel generator set is started to supply power to the traction motor, and the residual power of the diesel generator set charges the power battery under the condition that the traction power requirement is met. When the shunting locomotive is in the high handle position, for example, the handle position is higher than 5. And starting the diesel generator, and controlling the output of the four-quadrant rectification module to realize the mixing of the diesel generator set and the power battery to supply power to the traction motor. Wherein, high handle position and low handle position refer to the driver's controller's that the driver operates high gear and low gear position, and high handle position means the locomotive is accelerating.
Further, when the shunting locomotive control system is in a mixed working condition and the shunting locomotive is in a low handle position, the four-quadrant rectification module works in a PWM rectification mode, the four-quadrant rectification module controls to output constant current to charge the power battery, and the diesel generator set stops working until the SOC of the power battery is higher than 95%.
Preferably, when the shunting locomotive control system is in a ground charging mode, the industrial generator set charges the power battery through the four-quadrant rectification module, the four-quadrant rectification module works in a PWM rectification mode, and the four-quadrant rectification module controls to output a constant current to charge the power battery.
The four-quadrant rectifier module has two working modes, and can be used as a PWM rectifier and an inverter, so that the system configuration is simplified, and the four-quadrant rectifier module is favorable for overhauling and maintenance. And a perfect software control strategy is adopted, so that perfect mixed operation of the diesel generating set and the power battery is realized.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will. Numerous combinations will be known to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A hybrid shunting locomotive control system based on four-quadrant rectification, characterized in that the shunting locomotive control system at least comprises: the system comprises a power battery, a diesel generator set, a four-quadrant rectification module, a pre-charging module and a traction motor;
the power battery is electrically connected with the traction motor through a pre-charging module;
the diesel generator set is respectively connected with a pre-charging module and a power battery through the four-quadrant rectification module and is electrically connected with a traction motor through the pre-charging module;
and supplying power to the traction motor through the power battery and/or the diesel generator set.
2. The control system of claim 1, further comprising an industrial generator set, wherein the industrial generator set is connected to the power battery and the traction motor via the four-quadrant rectification module.
3. The hybrid shunting locomotive control system based on four-quadrant rectification of claim 2, wherein the shunting locomotive control system further comprises a locomotive auxiliary system,
the power battery is connected with the locomotive auxiliary system through the four-quadrant rectification module to supply power to the locomotive auxiliary system;
the diesel generator set and the industrial generator set are connected with the locomotive auxiliary system to supply power to the locomotive auxiliary system;
the locomotive auxiliary system includes at least a traction motor ventilator and an air conditioning/life power unit.
4. The hybrid shunting locomotive control system based on four-quadrant rectification of claim 3, wherein when the shunting locomotive control system is in a pure electric operating condition, the traction motor is powered by the power battery, and the power battery simultaneously powers an auxiliary system through the four-quadrant rectification module.
5. The hybrid shunting locomotive control system based on four-quadrant rectification of claim 4, wherein when the shunting locomotive control system is in a pure electric operating condition, the four-quadrant rectification module operates in an inversion mode, and the four-quadrant rectification module is used as an inverter to output 380V/50Hz alternating current, and the alternating current is supplied to an auxiliary system for power consumption after being subjected to sine wave filtering.
6. The control system of claim 4, wherein the power battery is disconnected from the pre-charge module when the locomotive control system is in a pure diesel condition, and the diesel generator set supplies power to the traction motor via the four-quadrant rectification module.
7. The control system of claim 6, wherein the four-quadrant rectification module operates in a PWM rectification mode and outputs a constant DC608V DC voltage when the locomotive control system is in a pure diesel condition.
8. The control system of claim 6, wherein when the locomotive control system is in a hybrid mode,
when the shunting locomotive is at a low handle position, the power battery preferentially supplies power to the traction motor, when the SOC of the power battery is lower than 30%, the diesel generator set is started to supply power to the traction motor, and the residual power of the diesel generator set charges the power battery under the condition of meeting the traction power requirement;
when the shunting locomotive is at a high handle position, the diesel generator is started, and the output of the four-quadrant rectification module is controlled to realize the mixing of the diesel generator set and the power battery to supply power to the traction motor.
9. The control system of claim 8, wherein when the locomotive control system is in a hybrid mode and the locomotive is in a low handle position,
the four-quadrant rectification module works in a PWM rectification mode, the four-quadrant rectification module controls output constant current to charge the power battery, and the diesel engine generator set stops working until the SOC of the power battery is higher than 95%.
10. The control system of claim 8, wherein the power battery is charged by the industrial genset via the four quadrant rectification module when the shunting locomotive control system is in a ground charging mode,
and the four-quadrant rectification module works in a PWM rectification mode, and the four-quadrant rectification module controls output constant current to charge the power battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010795666.6A CN111775976A (en) | 2020-08-10 | 2020-08-10 | Hybrid shunting locomotive control system based on four-quadrant rectification |
| PCT/CN2021/110502 WO2022033369A1 (en) | 2020-08-10 | 2021-08-04 | Four-quadrant rectification-based hybrid power shunting locomotive control system |
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| CN202010795666.6A CN111775976A (en) | 2020-08-10 | 2020-08-10 | Hybrid shunting locomotive control system based on four-quadrant rectification |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291329A (en) * | 2021-06-11 | 2021-08-24 | 中车大连机车研究所有限公司 | Hybrid power mechanical transmission system for industrial and mining railway shunting locomotive |
| WO2022033369A1 (en) * | 2020-08-10 | 2022-02-17 | 中车资阳机车有限公司 | Four-quadrant rectification-based hybrid power shunting locomotive control system |
| CN114228758A (en) * | 2022-01-17 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Full-automatic shunting method and device and vehicle |
| CN115556634A (en) * | 2022-11-09 | 2023-01-03 | 中车大连机车车辆有限公司 | Energy self-adaptive control method for hybrid shunting locomotive |
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| CA2011563C (en) * | 1989-03-08 | 1994-05-10 | Kiyoshi Nakata | Power conversion system |
| 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 |
| CN106042957B (en) * | 2016-06-01 | 2019-04-30 | 北京交通大学 | A kind of hybrid power traction converter of motor train unit crosses individual-phase control strategy |
| CN106494238A (en) * | 2016-11-24 | 2017-03-15 | 中车永济电机有限公司 | A kind of urban tram permanent magnetism electric drive system |
| CN111775976A (en) * | 2020-08-10 | 2020-10-16 | 中车资阳机车有限公司 | Hybrid shunting locomotive control system based on four-quadrant rectification |
-
2020
- 2020-08-10 CN CN202010795666.6A patent/CN111775976A/en active Pending
-
2021
- 2021-08-04 WO PCT/CN2021/110502 patent/WO2022033369A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033369A1 (en) * | 2020-08-10 | 2022-02-17 | 中车资阳机车有限公司 | Four-quadrant rectification-based hybrid power shunting locomotive control system |
| CN113291329A (en) * | 2021-06-11 | 2021-08-24 | 中车大连机车研究所有限公司 | Hybrid power mechanical transmission system for industrial and mining railway shunting locomotive |
| CN114228758A (en) * | 2022-01-17 | 2022-03-25 | 中车青岛四方机车车辆股份有限公司 | Full-automatic shunting method and device and vehicle |
| CN115556634A (en) * | 2022-11-09 | 2023-01-03 | 中车大连机车车辆有限公司 | Energy self-adaptive control method for hybrid shunting locomotive |
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| Publication number | Publication date |
|---|---|
| WO2022033369A1 (en) | 2022-02-17 |
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