CN103204067A - Method and device for controlling power supply of double energy sources - Google Patents
Method and device for controlling power supply of double energy sources Download PDFInfo
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- CN103204067A CN103204067A CN2013100994883A CN201310099488A CN103204067A CN 103204067 A CN103204067 A CN 103204067A CN 2013100994883 A CN2013100994883 A CN 2013100994883A CN 201310099488 A CN201310099488 A CN 201310099488A CN 103204067 A CN103204067 A CN 103204067A
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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
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The embodiment of the invention discloses a method and device for controlling power supply of double energy sources. The method comprises the steps of: judging a power supply mode selected by a locomotive currently based on a locomotive state; when a contact network power supply mode is selected, controlling break-over of a power supply loop of a contact network at the absence of a fault which results in power supply switch-on prohibition of the contact network; and when a power storage battery power supply mode is selected, controlling break-over of a power supply loop of a power storage battery at the absence of a fault which results in power supply switch-on prohibition of the power storage battery. Through the method disclosed by the invention, the locomotive can select a suitable power supply mode based on the practical condition, and can work normally by switching to the power storage battery power supply mode when no contact network exists so as to enhance application adaptability of an electric locomotive.
Description
Technical field
The present invention relates to the railway locomotive field, particularly relate to a kind of dual intensity source method for controlling power supply and device.
Background technology
At present, electric locomotive all adopts the mode of contact system power supply, but because the limitation that contact system is arranged net in the practical application, in locomotive operation, can exist between the no touch barrier or contact system do not have the electricity situation, under above-mentioned any one situation, electric locomotive all can be because losing power supply can not tractor-trailer train, can cause certain limitation to the application of electric locomotive like this, influenced the practicality of electric locomotive.
Based on above-mentioned technical matters, pressing for provides a kind of new type of control method to provide two kinds of power supply modes for electric locomotive, and between the no touch barrier or contact system can continue tractor-trailer train when not having electricity, to strengthen the practicality of electric locomotive.
Summary of the invention
In order to solve the problems of the technologies described above, a kind of dual intensity source method for controlling power supply and device are provided in the embodiment of the present application, can make locomotive select suitable powering mode according to actual conditions, and can switch to power accumulator power supply in the interval of no touch net and make the locomotive normal operation, to strengthen the utilization conformability of electric locomotive.
The embodiment of the invention discloses following technical scheme:
A kind of dual intensity source method for controlling power supply comprises:
Judge the current selected powering mode of locomotive according to locomotive state;
When selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop;
When selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.
Preferably, described according to the current selected powering mode of locomotive state judgement locomotive, comprising:
According to locomotive mobile communication signal identification locomotive state;
When locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
When locomotive is kept in motion, if pressing less than default no net, the current net of contact system presses threshold value, the powering mode that current locomotive is selected switches to the power accumulator power supply, otherwise, keep the powering mode of current locomotive.
Preferably, described according to after the locomotive mobile communication signal judgement locomotive state, also comprise:
When locomotive remains static, can't detect the position of powering mode select switch, the feedback failure diagnosis information is given control center.
Preferably, described when selecting the contact system powering mode, when nothing caused that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop also comprised:
The secondary contact of fast chopper are realized interlocking in the control contact system power supply loop.
Preferably, described when selecting the power accumulator powering mode, when nothing caused that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop also comprised:
The secondary contact of control power accumulator power supply loop mesohigh circuit breaker are realized interlocking.
The application also provides a kind of dual intensity source power supply control apparatus, comprising:
Judge module is used for judging the current selected powering mode of locomotive according to locomotive state;
First control module is used for when selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, and the conducting of control contact system power supply loop;
Second control module is used for when selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, and the conducting of control power accumulator power supply loop.
Preferably, described judge module comprises:
The recognin module is used for according to locomotive mobile communication signal identification locomotive state;
Detection sub-module, be used for when locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
Switching submodule is used for when locomotive is kept in motion, does not have net and presses threshold value if the current net of contact system is pressed less than default, and the powering mode that current locomotive is selected switches to power accumulator and powers, otherwise, keep the powering mode of current locomotive.
Preferably, also comprise: feedback module, be used for working as the position that detection sub-module can't detect the powering mode select switch, the feedback failure diagnosis information is given control center.
Preferably, also comprise: the 3rd control module, be used for when the conducting of first control module control contact system power supply loop, the hardware in the control contact system power supply loop allows the secondary contact of the fast chopper in the ring, realizes interlocking.
Preferably, also comprise: the 4th control module, be used for when the conducting of first control module control contact system power supply loop, the hardware in the control power accumulator power supply loop allows the secondary contact of ring mesohigh circuit breaker, realizes interlocking.
As can be seen from the above-described embodiment, the application's dual intensity source method for controlling power supply is judged the current selected powering mode of locomotive according to locomotive state; When selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop; When selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.Can realize selecting suitable powering mode to provide power for locomotive according to the locomotive actual conditions.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of dual intensity source method for controlling power supply of the embodiment of the present application one announcement;
The method flow diagram of the current selected powering mode of judgement locomotive that Fig. 2 provides for the embodiment of the present application one;
Fig. 3 is the method flow diagram of the another kind of dual intensity source method for controlling power supply of the embodiment of the present application two announcements;
Fig. 4 is the structure drawing of device of a kind of dual intensity source power supply control apparatus of the embodiment of the present application three announcements;
Fig. 5 is the structure drawing of device of the another kind of dual intensity source power supply control apparatus of the embodiment of the present application three announcements.
The specific embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Need to prove that the dual intensity source power supply among the application refers to contact system power supply and two kinds of power supply modes of power accumulator power supply.The electric locomotive of dual intensity source is two kinds of line circuit breakers of necessary assembling just, and a kind of is to exchange line circuit breaker to be used for the contact system power supply, and a kind of is that the direct current line circuit breaker is for the power accumulator power supply.That is, the control circuit of dual intensity source electric locomotive comprises contact network control electricity loop and power accumulator control electricity loop.
Embodiment one
See also Fig. 1, it is the method flow diagram of a kind of dual intensity source method for controlling power supply of the embodiment of the present application one announcement, and this method may further comprise the steps:
Step 101: judge the current selected powering mode of locomotive according to locomotive state;
Preferably, step 101 comprises: the rapid 101A～101C of three small steps, the method flow diagram of the concrete current selected powering mode of judgement locomotive as shown in Figure 2, wherein step 101A: according to locomotive mobile communication signal identification locomotive state;
The state of locomotive comprises static and motion, generally speaking, the state of locomotive is to be judged according to locomotive speed or traction electric machine rotating speed by the traction control unit, send Central Processing Unit (CPU) to by locomotive mobile communication signal MVB then, the logic state that just represents locomotive state that Central Processing Unit (CPU) is received is, such as: logical value 1 expression is static, logical value 0 expression motion.
When identifying locomotive and remain static, begin to detect the position of powering mode select switch, switch bit is equipped with two, and each position is corresponding a kind of powering mode respectively.Position by switch i.e. the powering mode that adopts of current locomotive as can be known.
When identifying locomotive and be kept in motion, the powering mode that locomotive adopts is just determined.If contact system powering mode, judge that whether the net pressure of current contact system is less than predetermined threshold value, no net when so-called predetermined threshold value refers to the contact system power supply is pressed threshold values, such as: the 10kV that present international track industry is all approved is that the no net of AC25kV contact system is pressed threshold value.The no net of the contact system of dissimilar certainly locomotives presses the threshold value meeting different, does not specifically limit threshold size at this.When the current net of contact system was pressed less than nothing net pressure threshold value, contact system just can't be locomotive power supply.Only pressing with default net below is that 10kV is that example describes.
When the net that is in contact system powering mode and current contact system when locomotive was pressed less than 10kV, the powering mode that current locomotive is selected switched to the power accumulator power supply at once by the contact system power supply.
When the net that is in contact system powering mode and current contact system when locomotive was pressed and to be not less than 10kV, the powering mode that current locomotive is selected remained the contact system powering mode.
When locomotive was in the power accumulator power supply, locomotive can keep the power accumulator powering mode always.
Step 102: when selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop;
Wherein, do not have and to cause that the closed fault of forbidding of contact system power supply exists, and refers to meet the following conditions simultaneously generally speaking: power accumulator power supply line circuit breaker be disconnect, the traction control unit allow contact system line circuit breaker closure, air pressure greater than 500kPa, contact system powering mode determine, the phase-splitting request is pressed, do not had to no danger button, the chain case of high pressure drop into the position, contact system does not have under-voltage or overvoltage alarm, net side do not have overcurrent protection, the protection of transless oil temperature, the protection of transless oil stream, do not have the power accumulator of control 77V undervoltage warning.
Certainly, also can exist other to cause that contact system power supply can't other closed faults, these faults are apparent for those skilled in the art, enumerate no longer one by one at this.
Step 103: when selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.
Wherein, cause that in nothing the closed fault of forbidding of power accumulator power supply exists, refer to generally speaking meet the following conditions simultaneously: the contact system line circuit breaker be disconnect, the hyperbaric chamber door be close, the traction control unit allows power accumulator line circuit breaker closure, no danger button to press, do not have the under-voltage alarm of traction power storage battery, the alarm of no traction power storage battery overcurrent, no traction power storage battery heat alert, the alarm of no traction power accumulator capacity, unpowered storage battery branch road insulate alarm, drop into one group of power accumulator at least.Certainly, also can exist other to cause that power accumulator power supply can't other closed faults, these faults are apparent for those skilled in the art, enumerate no longer one by one at this.
By above-described embodiment one as can be seen: judge the current selected powering mode of locomotive according to locomotive state; When selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop; When selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.Be in when static at locomotive, can select suitable powering mode according to the actual requirements, when locomotive is kept in motion, when contact system can't be powered, can controls immediately and switch to the power accumulator power supply.Thereby be embodied as locomotive dual intensity source power supply mode is provided.
Embodiment two
Because breaking down, locomotive selection power supply mode causes to determine any powering mode of current locomotive selection in actual applications, and then just can't utilize among the embodiment one method to control, in order to solve the problems of the technologies described above, the present invention also provides another kind of dual intensity source method for controlling power supply method scheme drawing as shown in Figure 3, specifically comprises:
Step 201: judge the current selected powering mode of locomotive according to locomotive state;
Step 202: when selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop;
Step 203: when selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.
Step 204: in the time can't determining current selected powering mode, the feedback failure diagnosis information is given control center.
In order to prevent that contact system and power accumulator from simultaneously to the main convertor power supply, causing the damage of main convertor.Preferably, described method also comprises:
Step 205: when selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, during the conducting of control contact system power supply loop, the hardware in the control contact system power supply loop allows the secondary contact of the fast chopper in the ring, realizes interlocking.
Step 206: when selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, during the conducting of control power accumulator power supply loop, the hardware in the control power accumulator power supply loop allows the secondary contact of ring mesohigh circuit breaker, realizes interlocking.
By above-described embodiment two as can be seen: this method not only can realize the power supply of dual intensity source, can also be after the selection powering mode breaks down, the feedback failure message is given control center, so that the timely handling failure of locomotive system guarantees locomotive normal operation fast; Simultaneously, can also be when the power supply of control contact system or power accumulator power supply, the control secondary contact are realized hardware interlock, to prevent that contact system and power accumulator from simultaneously to the main convertor power supply, causing the damage of main convertor.
Embodiment three
Corresponding with a kind of dual intensity source method for controlling power supply in above-described embodiment one, the embodiment of the present application provides a kind of dual intensity source power supply control apparatus.Please Parameter Map 4, it is the device scheme drawing of a kind of dual intensity source power supply control apparatus of the embodiment of the present application three announcements, this device comprises: judge module 301, first control module 302 and second control module 303, further introduce its inner structure and annexation below in conjunction with the principle of work of this device.
Preferably, described judge module comprises: recognin module 301A, detection sub-module 301B and switching submodule 301C.
Recognin module 301A is used for according to locomotive mobile communication signal identification locomotive state;
Detection sub-module 301B, be used for when locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
Switching submodule 301C is used for when locomotive is kept in motion, does not have net and presses threshold value if the net of contact system is pressed less than default, and the powering mode that current locomotive is selected switches to power accumulator and powers, otherwise, keep the powering mode of current locomotive.
By in above-described embodiment three as can be seen, device provided by the invention can be realized the power supply control in dual intensity source, and can be implemented in contact system can't be for locomotive power supply the time, switches to the power accumulator powering mode and continues as locomotive power supply.
Embodiment four
Corresponding with a kind of dual intensity source method for controlling power supply in above-described embodiment one, the embodiment of the present application provides a kind of dual intensity source power supply control apparatus.Please Parameter Map 5, it is the device scheme drawing of a kind of dual intensity source power supply control apparatus of the embodiment of the present application three announcements, this device comprises: judge module 401, first control module 402, second control module 403, feedback module 404, further introduce its inner structure and annexation below in conjunction with the principle of work of this device.
Preferably, described judge module comprises: recognin module 301A, detection sub-module 301B and switching submodule 301C.
Recognin module 401A is used for according to locomotive mobile communication signal identification locomotive state;
Detection sub-module 401B, be used for when locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
Switching submodule 401C is used for when locomotive is kept in motion, if the net of contact system is pressed less than predetermined threshold value, the powering mode that current locomotive is selected switches to power accumulator and powers, otherwise, keep the powering mode of current locomotive.
In order to prevent that contact system and power accumulator from simultaneously to the main convertor power supply, causing the damage of main convertor.Preferably, described device also comprises:
The 3rd control module 405 is used for when the conducting of first control module control contact system power supply loop, and the hardware in the control contact system power supply loop allows the secondary contact of the fast chopper in the ring, realizes interlocking.
The 4th control module 406 is used for when the conducting of first control module control contact system power supply loop, and the hardware in the control power accumulator power supply loop allows the secondary contact of ring mesohigh circuit breaker, realizes interlocking.
By above-described embodiment four as can be seen: this device not only can be realized the power supply of dual intensity source, can also be after the selection powering mode breaks down, the feedback failure message is given control center, so that the timely handling failure of locomotive system guarantees locomotive normal operation fast; Simultaneously, can also be when the power supply of control contact system or power accumulator power supply, the control secondary contact are realized hardware interlock, to prevent that contact system and power accumulator from simultaneously to the main convertor power supply, causing the damage of main convertor.
More than a kind of dual intensity source method for controlling power supply provided by the present invention and device are described in detail, used specific embodiment herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a dual intensity source method for controlling power supply is characterized in that, comprising:
Judge the current selected powering mode of locomotive according to locomotive state;
When selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop;
When selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop.
2. method according to claim 1 is characterized in that, and is described according to the current selected powering mode of locomotive state judgement locomotive, comprising:
According to locomotive mobile communication signal identification locomotive state;
When locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
When locomotive is kept in motion, if pressing less than default no net, the current net of contact system presses threshold value, the powering mode that current locomotive is selected switches to the power accumulator power supply, otherwise, keep the powering mode of current locomotive.
3. method according to claim 2 is characterized in that, and is described according to after the locomotive mobile communication signal judgement locomotive state, also comprises:
When locomotive remains static, can't detect the position of powering mode select switch, the feedback failure diagnosis information is given control center.
4. method according to claim 1 is characterized in that, and is described when selecting the contact system powering mode, and when nothing caused that the closed fault of forbidding of contact system power supply exists, the conducting of control contact system power supply loop also comprised:
The secondary contact of fast chopper are realized interlocking in the control contact system power supply loop.
5. method according to claim 1 is characterized in that, and is described when selecting the power accumulator powering mode, and when nothing caused that the closed fault of forbidding of power accumulator power supply exists, the conducting of control power accumulator power supply loop also comprised:
The secondary contact of control power accumulator power supply loop mesohigh circuit breaker are realized interlocking.
6. a dual intensity source power supply control apparatus is characterized in that, comprising:
Judge module is used for judging the current selected powering mode of locomotive according to locomotive state;
First control module is used for when selecting the contact system powering mode, when nothing causes that the closed fault of forbidding of contact system power supply exists, and the conducting of control contact system power supply loop;
Second control module is used for when selecting the power accumulator powering mode, when nothing causes that the closed fault of forbidding of power accumulator power supply exists, and the conducting of control power accumulator power supply loop.
7. device according to claim 6 is characterized in that, described judge module comprises:
The recognin module is used for according to locomotive mobile communication signal identification locomotive state;
Detection sub-module, be used for when locomotive remains static, detect the position of powering mode select switch, when in contact system power supply position, the current selected powering mode of locomotive is the contact system powering mode, when in power accumulator power supply position, the current selected powering mode of locomotive is the power accumulator powering mode;
Switching submodule is used for when locomotive is kept in motion, does not have net and presses threshold value if the current net of contact system is pressed less than default, and the powering mode that current locomotive is selected switches to power accumulator and powers, otherwise, keep the powering mode of current locomotive.
8. device according to claim 6 is characterized in that, also comprises:
Feedback module is used for working as the position that detection sub-module can't detect the powering mode select switch, and the feedback failure diagnosis information is given control center.
9. device according to claim 6 is characterized in that, also comprises:
The 3rd control module is used for when the conducting of first control module control contact system power supply loop, and the hardware in the control contact system power supply loop allows the secondary contact of the fast chopper in the ring, realizes interlocking.
10. device according to claim 6 is characterized in that, also comprises:
The 4th control module is used for when the conducting of first control module control contact system power supply loop, and the hardware in the control power accumulator power supply loop allows the secondary contact of ring mesohigh circuit breaker, realizes interlocking.
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| CN104535833A (en) * | 2014-11-28 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Vehicle power detection method and vehicle power detection system |
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| CN112124152A (en) * | 2020-09-22 | 2020-12-25 | 中车株洲电力机车有限公司 | Power supply circuit and power supply control method for locomotive auxiliary system |
| CN112512857A (en) * | 2018-07-30 | 2021-03-16 | 西门子交通有限公司 | Device for protecting an electrical external power supply connection |
| CN112874389A (en) * | 2021-02-01 | 2021-06-01 | 重庆中车长客轨道车辆有限公司 | Operation protection method, device, equipment and computer readable storage medium |
| CN114312337A (en) * | 2022-01-04 | 2022-04-12 | 中车株洲电力机车有限公司 | Power supply method, computer readable storage medium, power supply system and locomotive |
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| CN106042957A (en) * | 2016-06-01 | 2016-10-26 | 北京交通大学 | Excessive phase control strategy for traction converter of hybrid power motor train unit |
| 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 |
| CN106809037A (en) * | 2016-12-29 | 2017-06-09 | 比亚迪股份有限公司 | Rail vehicle control system and rail vehicle |
| CN107554299A (en) * | 2017-09-20 | 2018-01-09 | 株洲时代电子技术有限公司 | A kind of railway engineering mechanical mixture power source system |
| CN107901791A (en) * | 2017-11-21 | 2018-04-13 | 中车株洲电力机车有限公司 | A kind of multiple feed return circuit detection method, system and device |
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| CN111071269A (en) * | 2018-10-19 | 2020-04-28 | 株洲中车时代电气股份有限公司 | Train storage battery traction control method, device, equipment and system |
| CN111071269B (en) * | 2018-10-19 | 2021-03-23 | 株洲中车时代电气股份有限公司 | Train storage battery traction control method, device, equipment and system |
| CN111391664B (en) * | 2018-12-27 | 2022-04-15 | 比亚迪股份有限公司 | Rail vehicle, traction control system thereof, emergency driving method and device |
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| CN110143204A (en) * | 2019-06-06 | 2019-08-20 | 中车大连机车车辆有限公司 | A kind of city rail vehicle battery emergency traction control method and its control system |
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| CN112124152A (en) * | 2020-09-22 | 2020-12-25 | 中车株洲电力机车有限公司 | Power supply circuit and power supply control method for locomotive auxiliary system |
| CN112124152B (en) * | 2020-09-22 | 2021-12-17 | 中车株洲电力机车有限公司 | Power supply circuit and power supply control method for locomotive auxiliary system |
| CN112874389A (en) * | 2021-02-01 | 2021-06-01 | 重庆中车长客轨道车辆有限公司 | Operation protection method, device, equipment and computer readable storage medium |
| CN114312337A (en) * | 2022-01-04 | 2022-04-12 | 中车株洲电力机车有限公司 | Power supply method, computer readable storage medium, power supply system and locomotive |
| CN114312337B (en) * | 2022-01-04 | 2023-11-07 | 中车株洲电力机车有限公司 | Power supply method, computer readable storage medium, power supply system and locomotive |
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Address after: 412001 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park Patentee after: CRRC ZHUZHOU LOCOMOTIVE CO., LTD. Address before: 412001 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park Patentee before: South Locomotive & Rolling Stock Zhuzhou Power Car Co., Ltd. |