CN102774385B - Electric locomotive and power supply system and power supply method thereof - Google Patents
Electric locomotive and power supply system and power supply method thereof Download PDFInfo
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- CN102774385B CN102774385B CN201210300533.2A CN201210300533A CN102774385B CN 102774385 B CN102774385 B CN 102774385B CN 201210300533 A CN201210300533 A CN 201210300533A CN 102774385 B CN102774385 B CN 102774385B
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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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a power supply system for electric locomotives, and the power supply system comprises a storage battery and a control device, wherein the storage battery comprises a charging mode, an internal power supply mode and an external power supply mode; the storage battery is switched among the charging mode, the internal power supply mode and the external power supply mode under the action of the control device; when the storage battery needs charging, the work mode of the storage battery is adjusted to the charging mode by the control device; when the storage battery needs to supply power to local equipment, the mode of the storage battery is adjusted to the internal power supply mode by the control device; and when the storage battery needs to supply power to external locomotives, the mode of the storage battery is adjusted to the external power supply mode by the control device, therefore, the power supply system has the external power supply mode for supply power to other locomotives, then the third-track supply of power can be realized and the emergency rescue of electric locomotives is realized. The invention also discloses an electric locomotive comprising the power supply system and a power supply method based on the power supply system.
Description
Technical field
The present invention relates to railway locomotive technical field, particularly relate to a kind of electric power system for electric locomotive.The invention still further relates to a kind of electric locomotive that comprises above-mentioned electric power system, and the method for supplying power to based on above-mentioned electric power system.
Background technology
Electric locomotive is by traction motor, to be driven the locomotive of wheel movement, and electric locomotive, because required electric energy is supplied with by the contact system of electrified railway power supply system, is therefore a kind of non-locomotive that carries the energy.Electric locomotive is large with its power, overload capacity is strong, tractive force is large, speed is fast, the servicing work time is short, maintenance capacity is few, running cost is low, be convenient to realize multi locomotive traction, can adopt the plurality of advantages such as regenerative brake and conserve energy, is applied to more and more widely in Railway Transport Industry; Use electric locomotive traction car team, can improve train running speed and load capacity, thereby improve significantly transport capacity and the carrying capacity of railway.
Traditional electric locomotive uses DC110V to control power supply, and it has two kinds of powering modes, i.e. supply regular power pattern and Ku Nei powering mode; When electric locomotive is during in supply regular power pattern, the Vehicular accumulator cell of electric locomotive is only supplied with DC110V power supply to this machine equipment of this electric locomotive, locomotive vehicle-mounted battery charger can not be to the power supply of car external equipment, and now, storage battery is in the pattern to the power supply of this machine equipment; When electric locomotive is in storehouse during powering mode, vent external DC110V power supply is by power supply base in storehouse to locomotive vehicle-mounted battery charge, and now, storage battery is in charge condition.
The powering mode of above-mentioned electric locomotive only has to in-line power and two kinds of mode of operations of charging, and do not there is outside powering mode, when other electric locomotives need emergency service rescue, this car storage battery cannot be realized outside power supply, cannot realize the 3rd rail of electric power and supply with, also just cannot realize the emergency relief of electric locomotive.
Therefore, in emergency relief situation, how to realize storage battery and power to external device, thus the 3rd rail of realizing electric power supply with, realize the emergency relief of electric locomotive, with regard to becoming those skilled in the art, need the problem of solution badly.
Summary of the invention
The object of this invention is to provide a kind of electric power system for electric locomotive, it not only has charge mode and in-line power pattern, also having can be to the externally fed pattern of other locomotive power supplies, thus the 3rd rail that can realize electric power supply with, and then realized the emergency relief of electric locomotive.Another object of the present invention is to provide a kind of electric locomotive that comprises above-mentioned electric power system, and the method for supplying power to based on this electric power system.
For solving the problems of the technologies described above, the invention provides a kind of electric power system for electric locomotive, comprise storage battery and control setup, described storage battery comprises charge mode, for the in-line power pattern of the equipment of itself power supply of described electric locomotive be the externally fed pattern of other locomotive power supplies; Described storage battery is changed under the effect of described control setup between described charge mode, described in-line power pattern and described externally fed pattern.
Described control setup comprises detecting element and control element;
Described detecting element is for detection of the residing mode of operation of described electric locomotive, and the working state signal detecting is transferred to described control element;
Described control element receives described working state signal, and when described electric locomotive is in storehouse mode of operation, described control element is controlled described storage battery and is converted to described charge mode; When described electric locomotive is during in normal working, described control element is controlled described storage battery and is converted to described in-line power pattern; When described electric locomotive is during in emergency relief mode of operation, described control element is controlled described storage battery and is converted to described externally fed pattern.
Preferably, when described storage battery is during in externally fed pattern, described control element judges whether described electric locomotive meets emergency service condition, and when described electric locomotive meets described emergency service condition, described control element is controlled described storage battery and outwards powered.
Preferably, described control circuit also comprises emergency service contactless switch; When described request switch is during in externally fed position, the master control device of described electric locomotive judges whether described electric locomotive meets emergency service condition, and when described electric locomotive meets described emergency service condition, described emergency service contactless switch is closed.
The present invention also provides a kind of electric locomotive, comprises electric power system, the electric power system that described electric power system is the above.
The present invention also provides a kind of method of supplying power to based on above-mentioned electric power system, comprises the following steps:
51) detect the working state signal of described electric locomotive;
52) receive the working state signal detecting, and judge the residing mode of operation of described electric locomotive, when described electric locomotive is in storehouse mode of operation, enter step 53); When described electric locomotive is during in normal working, enter step 54); When described electric locomotive is during in emergency relief mode of operation, enter step 55).
53) control storage battery and be converted to charge mode;
54) control storage battery and be converted to in-line power pattern;
55) control storage battery and be converted to externally fed pattern.
Further, in step 55) in further comprising the steps of:
551) judge that whether electric locomotive meets emergency service condition, when electric locomotive meets described emergency service condition, enters step 552);
552) controlling storage battery outwards powers.
The present invention also provides a kind of method of supplying power to based on above-mentioned electric power system, comprises the following steps:
71) judge the residing mode of operation of described electric locomotive; When described electric locomotive is in storehouse mode of operation or normal working, enter step 72); When described electric locomotive is during in emergency relief mode of operation, enter step 73).
72) stir request switch to in-line power position, closed in-line power circuit;
73) stir request switch to externally fed position, closed externally fed circuit.
Further, in step 73) in further comprising the steps of:
731) judge that whether electric locomotive meets emergency service condition, when electric locomotive meets described emergency service condition, enters step 732);
732) controlling storage battery outwards powers.
Electric power system provided by the present invention is for electric locomotive, and this electric power system comprises storage battery and control setup, and this storage battery comprises charge mode, in-line power pattern and externally fed pattern; Storage battery is changed under the effect of control setup between charge mode, in-line power pattern and externally fed pattern; When storage battery need to charge, control setup is adjusted into charge mode by the mode of operation of storage battery, when storage battery need to be powered for this machine equipment, control setup is in-line power pattern by the mode adjustment of storage battery, and storage battery is need to be for outside locomotive power supply time, control setup is externally fed pattern by the mode adjustment of storage battery.Like this, this electric power system not only has charge mode and in-line power pattern, and also having can be to the externally fed pattern of other locomotive power supplies, thus the 3rd rail that can realize electric power supply with, and then realized the emergency relief of electric locomotive.
In a kind of specific embodiment, control setup provided by the present invention comprises detecting element and control element; Wherein, detecting element is for detection of the residing mode of operation of electric locomotive, and the working state signal detecting is transferred to control element; Control element receives working state signal, and when electric locomotive is in storehouse mode of operation, control element is controlled described storage battery and is converted to described charge mode; When described electric locomotive is during in normal working, described control element is controlled storage battery and is converted to in-line power pattern; When electric locomotive is during in emergency relief mode of operation, control element is controlled storage battery and is converted to externally fed pattern.Like this, by above-mentioned control policy, can realize simply the conversion of powering mode, and above-mentioned control setup can be integrated in the master control device of electric locomotive, be convenient to the layout of complete machine parts.
In the another kind of specific embodiment, control setup provided by the present invention can be control circuit, described control circuit comprises request switch, in-line power circuit and externally fed circuit, described request switch comprises in-line power position and externally fed position, when described electric locomotive is during in normal working or at storehouse state, described request switch is in in-line power position, described in-line power closing of circuit; When described electric locomotive is during in emergency relief state, described request switch is in externally fed position, described externally fed closing of circuit.Like this, realize conversion and the control of powering mode by the form of control circuit, only need on the existing control loop of storage battery, simple change can realize, less to the improvement of circuit, repacking cost is lower.
Except above-mentioned control setup, the present invention also provides a kind of electric locomotive that comprises above-mentioned control setup, and the control method based on this control setup, because electric locomotive and control method all have identical inventive concept with this control setup, both are identical with the resulting beneficial effect of control setup, do not repeat them here.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of specific embodiment of control setup provided by the present invention;
Fig. 2 is the main circuit diagram with the locomotive control power of externally fed pattern provided by the present invention;
Fig. 3 is the structural representation of method of supplying power to the first specific embodiment provided by the present invention;
Fig. 4 is the structural representation of method of supplying power to the second specific embodiment provided by the present invention;
Fig. 5 is the structural representation of the third specific embodiment of method of supplying power to provided by the present invention;
Fig. 6 is the structural representation of method of supplying power to the first specific embodiment provided by the present invention.
The specific embodiment
Core of the present invention is to provide a kind of electric power system for electric locomotive, it not only has charge mode and in-line power pattern, also having can be to the externally fed pattern of other locomotive power supplies, thus the 3rd rail that can realize electric power supply with, and then realized the emergency relief of electric locomotive.Another core of the present invention is to provide a kind of electric locomotive that comprises above-mentioned electric power system, and the method for supplying power to based on this electric power system.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Electric power system provided by the present invention is for electric locomotive, and this electric power system comprises storage battery 3 and control setup, and this storage battery 3 comprises charge mode, in-line power pattern and externally fed pattern; Storage battery 3 is changed under the effect of control setup between charge mode, in-line power pattern and externally fed pattern; When storage battery 3 need to charge, control setup is adjusted into charge mode by the mode of operation of storage battery 3, when storage battery 3 need to be powered for this machine equipment, control setup is in-line power pattern by the mode adjustment of storage battery 3, and storage battery 3 is need to be for outside locomotive power supply time, control setup is externally fed pattern by the mode adjustment of storage battery 3.Like this, this electric power system not only has charge mode and in-line power pattern, and also having can be to the externally fed pattern of other locomotive power supplies, thus the 3rd rail that can realize electric power supply with, and then realized the emergency relief of electric locomotive.
According to using needs, the out-put supply of storage battery 3 mostly is DC110V power supply, and in electric locomotive during in charge mode, outside what provide for storage battery 3 is also DC110V power supply.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of specific embodiment of control setup provided by the present invention.
In a kind of specific embodiment, the control setup of electric power system provided by the present invention comprises detecting element 1 and control element 2; Wherein, detecting element 1 is for detection of the residing mode of operation of electric locomotive, and the working state signal detecting is transferred to control element 2; Control element 2 receives working state signal, and when electric locomotive is in storehouse mode of operation, control element 2 is controlled storage battery 3 and is converted to charge mode; When electric locomotive is during in normal working, control element 2 is controlled storage batterys 3 and is converted to described in-line power pattern; When electric locomotive is during in emergency relief mode of operation, control element 2 is controlled storage batterys 3 and is converted to externally fed pattern.Like this, by above-mentioned control policy, can realize simply the conversion of powering mode, and above-mentioned control setup can be integrated in the master control device of electric locomotive, be convenient to the layout of complete machine parts.
Above-mentioned detecting element 1 can be speed detecting element 1, and the friction speed according to electric locomotive under different operating state is interval, determines the actual residing mode of operation of electric locomotive; From theory, detecting element 1 can be various ways, as long as can detect the actual residing mode of operation of electric locomotive, for example, can detect the residing position of electric locomotive by GPS position fixing system, thereby obtain its mode of operation.
Above-mentioned control element 2 can be the master control device of electric locomotive, the controller that also can put for Independent.
Further, when storage battery 3 is during in externally fed pattern, control setup judges whether electric locomotive meets emergency service condition, and when electric locomotive meets emergency service condition, control element 2 is controlled storage batterys 3 and outwards powered.
Usually, according to the actual service condition of locomotive, above-mentioned emergency service condition comprises: locomotive static (locomotive speed V=0KM/H); Locomotive emergency service request switch is in emergency service position; Locomotive vehicle-mounted storage battery 3 battery charger troubles free; Locomotive vehicle-mounted storage battery 3 battery chargers are devoted oneself to work; Motorcycle pantograph rises; Line circuit breaker is closed; Subordinate inverter starts; These emergency service conditions can judge whether to meet by the master control device of locomotive.Like this, when electric locomotive meets emergency service condition, just outwards power supply, avoids outwards powering when the unable power supply of electric locomotive, has guaranteed the safety of electric locomotive self.
Control setup provided by the present invention is not limited to the mode of above-mentioned control system, the mode that also can adopt circuit to control.
Please refer to Fig. 2, Fig. 2 is the main circuit diagram with the locomotive control power of externally fed pattern provided by the present invention.
In the another kind of specific embodiment, control setup provided by the present invention is control circuit, this control circuit comprises request switch, in-line power circuit and externally fed circuit, described request switch comprises in-line power position and externally fed position, when described electric locomotive is during in normal working or at storehouse state, described request switch is in in-line power position, described in-line power closing of circuit; When described electric locomotive is during in emergency relief state, described request switch is in externally fed position, described externally fed closing of circuit.Like this, realize conversion and the control of powering mode by the form of control circuit, only need on the existing control loop of storage battery 3, simple change can realize, less to the improvement of circuit, repacking cost is lower.
Control circuit also comprises emergency service contactless switch; When described request switch is during in externally fed position, the master control device of described electric locomotive detects described electric locomotive and whether meets emergency service condition, and when described electric locomotive meets described emergency service condition, described emergency service contactless switch is closed.Like this, when electric locomotive meets emergency service condition, just outwards power supply, avoids outwards powering when the unable power supply of electric locomotive, has guaranteed the safety of electric locomotive self.
Particularly, locomotive control circuit arranges storage battery 3 control change-overs swith and divides two positions: normal position, isolation, storage battery 3 is controlled change-over swith when isolated bit, locomotive emergency service contactless switch 32-K02 disconnects, and outside DC110V power supply can be controlled change-over swith to locomotive storage batteries 3 chargings by storage battery 3; When storage battery 3 is controlled change-over swith in normal position, outside DC110V power supply can not be controlled change-over swith to locomotive storage batteries 3 chargings by storage battery 3.When locomotive control change-over swith is when opening, this car battery charger can be by urgent charging contactor and supplying power for outside socket to other locomotive power supplies.Locomotive control circuit arranges emergency service request switch, when emergency service request switch can not activate emergency service pattern in non-emergent for current potential car on opportunity; When emergency service request switch is during in emergency service position, locomotive control detects emergency service request, and locomotive will judge whether locomotive meets emergency service condition; If locomotive meets emergency service condition, it is closed that locomotive master control system will be controlled emergency service contactless switch, and locomotive is in emergency service pattern.
Locomotive is after emergency service mode activation, and locomotive vehicle-mounted storage battery 3 battery chargers will detect locomotive in emergency service mode activation pattern, and storage battery 3 battery chargers will be in current limliting 60A output mode.
This control circuit is provided with diode, with prevent storage battery 3 when not satisfying condition to externally fed, guarantee the safety performance of electric power system.
In this kind of specific embodiment, locomotive rescue process and each locomotive power supply pattern are:
While being put isolated bit by breakdown locomotive storage battery 3 control change-overs swith, storage battery 3 is controlled change-over swith main contacts 11,12 and 21,21 disconnect, main contact 23,24 and 13,14 closures, outside DC110V power supply can be by external power receptacle 32-X72 to storage battery 3 chargings, and locomotive is in charge mode.
The locomotive storage batteries 3 of suing and labouring is controlled change-over swith and is put supply regular power position, storage battery 3 is controlled change-over swith main contact 23,24 and 13,14 disconnect, main contact 11,12 and 21,21 closures, this locomotive 110V power supply can provide DC110V power supply to outside locomotive by emergency service contactless switch 32-K02 and 32-X72, and locomotive is in external charging pattern.
The activation of emergency service pattern is, locomotive control circuit arranges emergency service request switch, and CCU monitoring locomotive control circuit arranges the state of emergency service request switch.When emergency service request switch can not activate emergency service pattern in non-emergent for current potential car on opportunity, emergency service contactless switch disconnects, and locomotive does not provide power supply to outside locomotive; When emergency service request switch during in emergency service position locomotive and locomotive meet supplying power for outside condition, emergency service contactless switch 32-K02 is closed, locomotive provides power supply to outside locomotive.
The current limit control process of emergency service pattern is that locomotive vehicle-mounted storage battery 3 battery chargers are monitored the state of locomotive emergency service contactless switchs.When locomotive meets after emergency service condition, locomotive emergency service contactless switch is closed, and Vehicular accumulator cell 3 battery charger monitor and detections limit the external outgoing current 60A of battery charger with protection battery charger overload fault after this signal.
Except above-mentioned electric power system, the present invention also provides a kind of electric locomotive that comprises above-mentioned electric power system, and other each several part structures of this electric locomotive please refer to prior art, do not repeat them here.
The present invention also provides a kind of method of supplying power to based on above-mentioned electric power system.
Please refer to Fig. 3, Fig. 3 is the structural representation of method of supplying power to the first specific embodiment provided by the present invention.
In the first specific embodiment, method of supplying power to provided by the present invention comprises the following steps:
S11: the working state signal that detects electric locomotive;
S12: according to the working state signal detecting, the residing mode of operation of judgement electric locomotive; When electric locomotive is in storehouse mode of operation, enter step S13; When electric locomotive is during in normal working, enter step S14; When electric locomotive is during in emergency relief mode of operation, enter step S15.
S13: control storage battery 3 and be converted to charge mode;
S14: control storage battery 3 and be converted to in-line power pattern;
S15: control storage battery 3 and be converted to externally fed pattern.
Like this, this electric power system not only has charge mode and in-line power pattern, and also having can be to the externally fed pattern of other locomotive power supplies, thus the 3rd rail that can realize electric power supply with, and then realized the emergency relief of electric locomotive.
Please refer to Fig. 4, Fig. 4 is the structural representation of method of supplying power to the second specific embodiment provided by the present invention.
In the second specific embodiment, method of supplying power to provided by the present invention can comprise the following steps:
S21: detect the residing mode of operation of electric locomotive;
S22: receive the working state signal detecting, when electric locomotive is in storehouse mode of operation, enter step S23; When electric locomotive is during in normal working, enter step S24; When electric locomotive is during in emergency relief mode of operation, enter step S25.
S23: control storage battery 3 and be converted to charge mode;
S24: control storage battery 3 and be converted to in-line power pattern;
S25: control storage battery 3 and be converted to externally fed pattern, and judge whether electric locomotive meets emergency service condition, when electric locomotive meets described emergency service condition, enter step S26;
S26: control storage battery 3 and outwards power.
Like this, when electric locomotive meets emergency service condition, just outwards power supply, avoids outwards powering when the unable power supply of electric locomotive, has guaranteed the safety of electric locomotive self.
Please refer to Fig. 5, Fig. 5 is the structural representation of the third specific embodiment of method of supplying power to provided by the present invention.
In the third specific embodiment, method of supplying power to provided by the present invention comprises the following steps:
S31: the residing mode of operation of judgement electric locomotive; When electric locomotive is in storehouse mode of operation or normal working, enter step S32; When electric locomotive is during in emergency relief mode of operation, enter step S33.
S32: stir request switch to in-line power position, closed in-line power circuit;
S33: stir request switch to externally fed position, closed externally fed circuit.
Please refer to Fig. 6, Fig. 6 is the structural representation of method of supplying power to the first specific embodiment provided by the present invention.
In the 4th kind of specific embodiment, method of supplying power to provided by the present invention comprises the following steps:
S41: detect the residing mode of operation of electric locomotive; When electric locomotive is in storehouse mode of operation or normal working, enter step S42; When electric locomotive is during in emergency relief mode of operation, enter step S43.
S42: stir request switch to in-line power position, closed in-line power circuit;
S43: stir request switch to externally fed position, closed externally fed circuit, and judge whether electric locomotive meets emergency service condition, when electric locomotive meets emergency service condition, enter step S44;
S44: control storage battery 3 and outwards power.
Above a kind of electric locomotive provided by the present invention and electric power system thereof and method of supplying power to are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (8)
1. the electric power system for electric locomotive, comprise storage battery and control setup, it is characterized in that, described storage battery (3) comprises charge mode, for the in-line power pattern of the equipment of itself power supply of described electric locomotive be the externally fed pattern of other locomotive power supplies; Described storage battery (3) is changed under the effect of described control setup between described charge mode, described in-line power pattern and described externally fed pattern;
Described control setup comprises detecting element (1) and control element (2);
Described detecting element (1) is for detection of the residing mode of operation of described electric locomotive, and the working state signal detecting is transferred to described control element (2);
Described control element (2) receives described working state signal, and when described electric locomotive is in storehouse mode of operation, described control element (2) is controlled described storage battery (3) and is converted to described charge mode; When described electric locomotive is during in normal working, described control element (2) is controlled described storage battery (3) and is converted to described in-line power pattern; When described electric locomotive is during in emergency relief mode of operation, described control element (2) is controlled described storage battery (3) and is converted to described externally fed pattern.
2. the electric power system for electric locomotive according to claim 1, it is characterized in that, when described storage battery (3) is during in externally fed pattern, described control element (2) judges whether described electric locomotive meets emergency service condition, when described electric locomotive meets described emergency service condition, described control element (2) is controlled described storage battery (3) and is outwards powered.
3. the electric power system for electric locomotive according to claim 2, is characterized in that, described control circuit also comprises emergency service contactless switch; When described request switch is during in externally fed position, the master control device of described electric locomotive judges whether described electric locomotive meets emergency service condition, and when described electric locomotive meets described emergency service condition, described emergency service contactless switch is closed.
4. an electric locomotive, comprises electric power system, it is characterized in that, described electric power system is the electric power system as described in claims 1 to 3 any one.
5. a method of supplying power to for the electric power system based on described in claims 1 to 3 any one, is characterized in that, comprises the following steps:
51) detect the working state signal of described electric locomotive;
52) receive the working state signal detecting, and judge the residing mode of operation of described electric locomotive, when described electric locomotive is in storehouse mode of operation, enter step 53); When described electric locomotive is during in normal working, enter step 54); When described electric locomotive is during in emergency relief mode of operation, enter step 55);
53) control storage battery (3) and be converted to charge mode;
54) control storage battery (3) and be converted to in-line power pattern;
55) control storage battery (3) and be converted to externally fed pattern.
6. method of supplying power to according to claim 5, is characterized in that, in step 55) in further comprising the steps of:
551) judge that whether electric locomotive meets emergency service condition, when electric locomotive meets described emergency service condition, enters step 552);
552) controlling storage battery (3) outwards powers.
7. a method of supplying power to for the electric power system based on described in claims 1 to 3 any one, is characterized in that, comprises the following steps:
71) judge the residing mode of operation of described electric locomotive; When described electric locomotive is in storehouse mode of operation or normal working, enter step 72); When described electric locomotive is during in emergency relief mode of operation, enter step 73);
72) stir request switch to in-line power position, closed in-line power circuit;
73) stir request switch to externally fed position, closed externally fed circuit.
8. method of supplying power to according to claim 7, is characterized in that, in step 73) in further comprising the steps of:
731) judge that whether electric locomotive meets emergency service condition, when electric locomotive meets described emergency service condition, enters step 732);
732) controlling storage battery (3) outwards powers.
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| CN106515502B (en) * | 2016-12-23 | 2019-12-10 | 株洲壹星科技股份有限公司 | Short-distance self-walking method and traction system for alternating current electric locomotive |
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| CN107901791B (en) * | 2017-11-21 | 2021-03-26 | 中车株洲电力机车有限公司 | Method, system and device for detecting multi-power supply loop |
| 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 |
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| TWM267735U (en) * | 2004-11-15 | 2005-06-11 | Ruei-Feng Lin | Multifunctional uninterrupted power system |
| JP4520959B2 (en) * | 2005-04-22 | 2010-08-11 | アイシン精機株式会社 | Power supply system |
| JP4835440B2 (en) * | 2007-01-04 | 2011-12-14 | トヨタ自動車株式会社 | Connection structure between electrical connection and oil supply connection and hybrid vehicle |
| CN101102052B (en) * | 2007-06-13 | 2010-08-18 | 华为技术有限公司 | Power supply unit, power supply device and system and power supply method |
| CN202764966U (en) * | 2012-08-22 | 2013-03-06 | 南车株洲电力机车有限公司 | Electric locomotive and power supply system thereof |
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2012
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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. |