CN200964061Y - Locomotive distributed assistant circuit electric power system - Google Patents
Locomotive distributed assistant circuit electric power system Download PDFInfo
- Publication number
- CN200964061Y CN200964061Y CNU2006200523151U CN200620052315U CN200964061Y CN 200964061 Y CN200964061 Y CN 200964061Y CN U2006200523151 U CNU2006200523151 U CN U2006200523151U CN 200620052315 U CN200620052315 U CN 200620052315U CN 200964061 Y CN200964061 Y CN 200964061Y
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- Prior art keywords
- inverter
- power supply
- power
- subsidiary engine
- locomotive
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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
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Abstract
Disclosed is a distributed auxiliary circuit power supply system for a locomotive which comprises a main transformer auxiliary winding, two relatively independent rectifiers, more than one inverters controlled by variable frequency and voltage, more than one inverters controlled by fixable frequency and voltage, a plurality of three-phase wire contactors and three-phase automatic switches. The transformer auxiliary winding simultaneously supplies power to two rectifiers which supply power to every inverter through two independent intermediate circuits respectively. The inverters are divided into two kinds: one kind is the inverter controlled by variable frequency and voltage, to supply power to the auxiliary machines controlled by variable frequency and voltage and each auxiliary machine is supplied with power by one inverter; the other kind is the inverter controlled by fixable frequency and voltage, to supply power to the auxiliary machines controlled by fixable frequency and voltage; and each auxiliary machine is supplied with power by one inverter. Every adjacent inverter can redundantly supply power to the auxiliary machine; when an inverter or a plurality of inverters work with faults, the faults can be transformed by the corresponding three-phase contactors (KM) and the corresponding three-phase automatic switches (QA).
Description
Technical field
The utility model belongs to a kind of electric system device of locomotive circuit, refers in particular to a kind of power-supply system of locomotive auxiliary circuit, is mainly used in the auxiliary circuit of electric locomotive, battery-driven car group.
Background technology
The technical merit of existing locomotive auxiliary circuit pattern mainly contains three kinds.First kind is: the auxiliary circuit power-supply system of locomotive is given the power supply of subsidiary engine motor by one or two Arno converters, replaces Arno converter to power for locomotive subsidiary engine motor with a certain traction blower fan when the Arno converter fault.The power factor of sort circuit, efficient are all very low, and the imbalance of three-phase voltage degree is very big, influence performance, reliability and the life-span of subsidiary engine greatly; Power supply is concentrated relatively, in case will cause during two Arno converter et out of orders machine broken; Can not variable-frequency variable-voltage starting, cause power-supply system and the big electric current of subsidiary engine motor easily and damage Circuits System.Second kind is: the auxiliary circuit power-supply system of locomotive is by one or two AuCT power supplies.Though sort circuit has solved some shortcoming of first kind of auxiliary power supply system, as: power factor, efficient increase; Also solved can not variable-frequency variable-voltage starting, cause power-supply system and the big electric current of subsidiary engine motor easily and damage the problem of Circuits System.But still concentrating relatively, power-supply system will cause when one or two current transformer et out of orders locomotive downrating or machine broken.The third is: the auxiliary circuit power-supply system of locomotive is by one or two subordinate inverter power supplies, and subordinate inverter is by the intermediate loop power supply of AC drive locomotive power circuit.Sort circuit has the merits and demerits of second kind of circuit, and simultaneously because the power circuit medium voltage is higher, the insulation voltage grade of considering during circuit layout is also higher so, brings difficulty to circuit layout; The harmonic voltage and the harmonic current of the inverter output of this pattern are very big, cause the loss of associated circuitry very big, and efficient is low; In order to solve above two problems, often install auxiliary transformer additional and solve at the mouth of subordinate inverter, so just increased the cost of ancillary system.Simultaneously the same with second kind of circuit pattern can not resolution system Redundancy Design and reliability problems.This auxiliary circuit power-supply system only is confined to use on AC transmission electric power locomotive, battery-driven car group motor-car, and requires main transmission to have corresponding interface.
In sum, existing locomotive auxiliary circuit pattern all comes with some shortcomings, and therefore, necessary this is improved.
The utility model content
The purpose of this utility model is, the deficiency at existing locomotive auxiliary circuit pattern proposes a kind of power factor, efficient is higher, and the three phasevoltage degree of balance is good.The effective locomotive auxiliary circuit power-supply system of resolution system Redundancy Design and integrity problem.
According to the technology implementation scheme that the purpose of this utility model proposed be: a kind of locomotive auxiliary circuit power-supply system, the entire circuit system takes distributed power supply mode, comprise a main transformer, the main transformer auxiliary winding is the power supply device of entire circuit; At least two relatively independent rectifiers, rectifier are used for the power supply of power rectifier for being fit to the voltage transformer auxiliary winding; The inverter of an above variable ratio frequency changer transformation control and can decide the inverter of level pressure control frequently more than one, wherein, the inverter of variable ratio frequency changer transformation control is used for subsidiary engine (category-A subsidiary engine: as traction blower fan, the blower fan of cooling tower) power supply to the power supply of variable ratio frequency changer transformation; The inverter that can decide level pressure control frequently is used for also comprising parts such as more than one three phase line contactless switch and three-phase automatic switch to subsidiary engine (category-B subsidiary engine: as compressor, AuCT blower fan, oil pump, the water pump etc.) power supply of deciding level pressure power supply frequently in Circuits System.
The power supply mode of whole locomotive auxiliary circuit power-supply system is: give two rectifier power supplies simultaneously by the voltage transformer auxiliary winding, two rectifiers again by two independently intermediate loop respectively to each inverter power supply.Inverter is divided into two classes: a class is the inverter of variable ratio frequency changer transformation control, is subsidiary engine (category-A subsidiary engine: as traction blower fan, the blower fan of cooling tower) power supply of variable ratio frequency changer transformation power supply, and each subsidiary engine is by an inverter power supply; Another kind of for deciding the inverter of level pressure control frequently, be subsidiary engine (category-B the subsidiary engine :) power supply of fixed frequency level pressure power supply as compressor, AuCT blower fan, oil pump, water pump etc., each subsidiary engine is by an inverter power supply.Each adjacent inverter can realize redundant power supply for subsidiary engine, when certain or certain several fault of converter, can by corresponding three-phase contactor (KM) and accordingly three-phase automatic switch (QA) carry out fault conversion.The capacity of taking into account inverter enough can be born the required power supply capacity of two or more subsidiary engine motors and the design of faulty change-over circuit during design, when some inverter et out of order, can work on to guarantee subsidiary engine by the switching of faulty change-over circuit, thereby do not influence normal locomotive, improved the reliability of system greatly.
Simultaneously, in distributed subordinate inverter, be furnished with the distributed communication network control system of locomotive level, make the distributed auxiliary circuit power-supply system of locomotive and be easy to realize various controls, and be easy to realize state-detection, trouble diagnosing, repair and maintenance of power-supply system etc.
Can also guarantee sequential firing, variable-frequency variable-voltage starting and the speed control of inverter by the optimal design of control system, reduced greatly that big electric current has improved performance, reliability and the efficient of system to the impact of subsidiary engine, power-supply system and associated circuitry in the start-up course.
Advantage of the present utility model is:
1, the problem and the shortcoming of existing three kinds of locomotive auxiliary circuit power-supply systems have been solved;
2, be easy to realize state-detection, the trouble diagnosing of auxiliary power system, for repair and maintenance provides great convenience;
3, the capacity of each inverter is less relatively, is easy to realize modularization, seriation design, and components and parts are easy to buying and cost-cutting;
4, be adapted at using on DC drive and AC drive locomotive, the battery-driven car group.
Description of drawings
Fig. 1 is the utility model electric wiring schematic diagram.
Among the figure: 1, voltage transformer; 2, first rectifier; 3, second rectifier; 4, the inverter of variable ratio frequency changer transformation control; 5, can decide the inverter of level pressure control frequently; 6, the subsidiary engine of variable ratio frequency changer transformation power supply; 7, the subsidiary engine of fixed level pressure frequently power supply; 8, contactless switch; 9, automatic switch.
The specific embodiment
Accompanying drawing has provided an embodiment of the present utility model.The utility model will be further described below in conjunction with drawings and Examples.
A kind of locomotive auxiliary circuit power-supply system is taked distributed power supply mode, comprises a main transformer 1, and the main transformer auxiliary winding is the power supply device of entire circuit; Two first relatively independent rectifiers 2 and second rectifier, 3, the first rectifiers 2 and second rectifier 3 are respectively applied for the power supply of power rectifier for being fit to the voltage transformer auxiliary winding; The inverter 4 of an above variable ratio frequency changer transformation control and can decide the inverter 5 of level pressure control frequently more than one, wherein, the inverter 4 of variable ratio frequency changer transformation control is used for subsidiary engine 6 (category-A subsidiary engine: as traction blower fan, the blower fan of cooling tower) power supply to the power supply of variable ratio frequency changer transformation; The inverter 5 that can decide level pressure control frequently is used for also comprising parts such as more than one three phase line contactless switch 8 and three-phase automatic switch 9 to subsidiary engine 7 (category-B subsidiary engine: as compressor, AuCT blower fan, oil pump, the water pump etc.) power supply of deciding level pressure power supply frequently in Circuits System.
The power supply mode of whole locomotive auxiliary circuit power-supply system is: main transformer 1 and first rectifier 2 and second rectifier 3 are electrically connected by electric wire, give two rectifier power supplies simultaneously by the voltage transformer auxiliary winding, first rectifier 2 and second rectifier 3 again by two independently intermediate loop is electrically connected with each inverter respectively, and pass through first rectifier 2 and second rectifier 3 respectively to each inverter power supply.Inverter is divided into two classes: a class is the inverter 4 of variable ratio frequency changer transformation control, is subsidiary engine 6 (category-A subsidiary engine: as traction blower fan, the blower fan of cooling tower) power supply of variable ratio frequency changer transformation power supply, and each subsidiary engine is by an inverter power supply; Another kind of for deciding the inverter 5 of level pressure control frequently, for deciding subsidiary engine 7 (category-B subsidiary engine: as compressor, AuCT blower fan, oil pump, the water pump etc.) power supply of level pressure power supply frequently, each subsidiary engine is by an inverter power supply.Each adjacent inverter can realize redundant power supply for subsidiary engine, when certain or certain several fault of converter, can by corresponding three-phase contactor 8 (KM) and accordingly three-phase automatic switch 9 (QA) carry out fault conversion.The capacity of taking into account inverter enough can be born the required power supply capacity of two or more subsidiary engine motors and the design of faulty change-over circuit during design, when some inverter et out of order, can work on to guarantee subsidiary engine by the switching of faulty change-over circuit, thereby do not influence normal locomotive, improved the reliability of system greatly.
Simultaneously, in distributed subordinate inverter, be furnished with the distributed communication network control system of locomotive level, make the distributed auxiliary circuit power-supply system of locomotive and be easy to realize various controls, and be easy to realize state-detection, trouble diagnosing, repair and maintenance of power-supply system etc.
Can also guarantee sequential firing, variable-frequency variable-voltage starting and the speed control of inverter by the optimal design of control system, reduced greatly that big electric current has improved performance, reliability and the efficient of system to the impact of subsidiary engine, power-supply system and associated circuitry in the start-up course.
Embodiment one
A voltage transformer auxiliary winding (a6-x6) is given two rectifiers (1U and 2U) power supply simultaneously, by two independently intermediate loop give each inverter power supply respectively.Inverter is divided into two classes: a class is the inverter of variable ratio frequency changer transformation control, is subsidiary engine (category-A subsidiary engine: as traction blower fan, the blower fan of cooling tower) power supply of variable ratio frequency changer transformation power supply, and each subsidiary engine is by an inverter power supply; Another kind of for deciding the inverter of level pressure control frequently, for deciding subsidiary engine (category-B subsidiary engine: as compressor, AuCT blower fan, oil pump, the water pump etc.) power supply of level pressure power supply frequently, each subsidiary engine is by an inverter power supply.Each adjacent inverter can realize redundant power supply for subsidiary engine, when certain or certain several fault of converter, can by corresponding three-phase contactor (KM) and accordingly three-phase automatic switch (QA) carry out fault conversion.
Distributed subordinate inverter is furnished with the distributed communication network control system of locomotive level, makes the distributed auxiliary circuit power-supply system of locomotive and is easy to realize various controls, and be easy to realize state-detection, trouble diagnosing, repair and maintenance of power-supply system etc.
Can guarantee sequential firing, variable-frequency variable-voltage starting and the speed control of inverter by the optimal design of control system, reduced greatly that big electric current has improved performance, reliability and the efficient of system to the impact of subsidiary engine, power-supply system and associated circuitry in the start-up course.
Claims (3)
1, the distributed auxiliary circuit power-supply system of a kind of locomotive, it is characterized in that: the entire circuit system takes distributed power supply mode, comprises a main transformer, and the main transformer auxiliary winding is the power supply device of entire circuit; At least two relatively independent rectifiers, rectifier are used for the power supply of power rectifier for being fit to the voltage transformer auxiliary winding; The inverter of an above variable ratio frequency changer transformation control and can decide the inverter of level pressure control frequently more than one, wherein, the inverter of variable ratio frequency changer transformation control is used for the subsidiary engine power supply to the power supply of variable ratio frequency changer transformation; The inverter that can decide level pressure control frequently is used for the subsidiary engine power supply of Xiang Keding level pressure power supply frequently, also comprises parts such as more than one three phase line contactless switch and three-phase automatic switch in Circuits System.
2, the distributed auxiliary circuit power-supply system of locomotive as claimed in claim 1, it is characterized in that: described inverter is divided into two classes: a class is the inverter of variable ratio frequency changer transformation control, be the subsidiary engine power supply of variable ratio frequency changer transformation power supply, each subsidiary engine is by an inverter power supply; Another kind of for deciding the inverter of level pressure control frequently, for deciding the subsidiary engine power supply of level pressure power supply frequently, each subsidiary engine is by an inverter power supply.
3, the distributed auxiliary circuit power-supply system of locomotive as claimed in claim 1, it is characterized in that: described each adjacent inverter can realize redundant power supply for subsidiary engine, when certain or certain several fault of converter, can carry out the fault conversion by corresponding three-phase contactor (KM) and corresponding three-phase automatic switch (QA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200523151U CN200964061Y (en) | 2006-09-26 | 2006-09-26 | Locomotive distributed assistant circuit electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200523151U CN200964061Y (en) | 2006-09-26 | 2006-09-26 | Locomotive distributed assistant circuit electric power system |
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| Publication Number | Publication Date |
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| CN200964061Y true CN200964061Y (en) | 2007-10-24 |
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| CNU2006200523151U Expired - Lifetime CN200964061Y (en) | 2006-09-26 | 2006-09-26 | Locomotive distributed assistant circuit electric power system |
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| CN (1) | CN200964061Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN103835332A (en) * | 2014-03-26 | 2014-06-04 | 上海振华重工(集团)股份有限公司 | Variable frequency driving system of grab machine of grab dredger |
| CN103978902A (en) * | 2014-05-16 | 2014-08-13 | 华北科技学院 | SS3 type electric locomotive assistant conversion system |
| CN104648169A (en) * | 2015-01-27 | 2015-05-27 | 株洲南车时代电气股份有限公司 | Power supplying device for electric locomotive and train |
| CN104972913A (en) * | 2015-06-29 | 2015-10-14 | 株洲南车时代电气股份有限公司 | Auxiliary alternating current system for internal combustion motor train unit |
| CN105398343A (en) * | 2015-11-11 | 2016-03-16 | 南车株洲电力机车有限公司 | Auxiliary power supply system for electric locomotive group |
| CN105804139A (en) * | 2016-03-30 | 2016-07-27 | 中车永济电机有限公司 | Electric driving system for cutter suction dredger |
| CN106671796A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Locomotive traction system |
| CN108306290A (en) * | 2018-03-06 | 2018-07-20 | 北京航天发射技术研究所 | A kind of electric vehicle modularization distribution system and method having interconnection mode |
| CN106274492B (en) * | 2015-05-27 | 2018-10-26 | 中车大连电力牵引研发中心有限公司 | Auxiliary converter device and rail vehicle used for rail vehicle |
-
2006
- 2006-09-26 CN CNU2006200523151U patent/CN200964061Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN102167260B (en) * | 2010-11-30 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN103835332A (en) * | 2014-03-26 | 2014-06-04 | 上海振华重工(集团)股份有限公司 | Variable frequency driving system of grab machine of grab dredger |
| CN103978902A (en) * | 2014-05-16 | 2014-08-13 | 华北科技学院 | SS3 type electric locomotive assistant conversion system |
| CN104648169A (en) * | 2015-01-27 | 2015-05-27 | 株洲南车时代电气股份有限公司 | Power supplying device for electric locomotive and train |
| CN104648169B (en) * | 2015-01-27 | 2017-08-11 | 株洲南车时代电气股份有限公司 | A kind of electric locomotive train power supply device |
| CN106274492B (en) * | 2015-05-27 | 2018-10-26 | 中车大连电力牵引研发中心有限公司 | Auxiliary converter device and rail vehicle used for rail vehicle |
| CN104972913B (en) * | 2015-06-29 | 2017-07-07 | 株洲南车时代电气股份有限公司 | A kind of Diesel Multiple Unit supplementary AC system |
| CN104972913A (en) * | 2015-06-29 | 2015-10-14 | 株洲南车时代电气股份有限公司 | Auxiliary alternating current system for internal combustion motor train unit |
| CN106671796A (en) * | 2015-11-11 | 2017-05-17 | 中车大连电力牵引研发中心有限公司 | Locomotive traction system |
| CN105398343A (en) * | 2015-11-11 | 2016-03-16 | 南车株洲电力机车有限公司 | Auxiliary power supply system for electric locomotive group |
| CN105804139A (en) * | 2016-03-30 | 2016-07-27 | 中车永济电机有限公司 | Electric driving system for cutter suction dredger |
| CN108306290A (en) * | 2018-03-06 | 2018-07-20 | 北京航天发射技术研究所 | A kind of electric vehicle modularization distribution system and method having interconnection mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SOUTH CAR ZHUZHOU ELECTRIC LOCOMOTIVE CO. Free format text: FORMER NAME OR ADDRESS: ZHUZHOU ELECTRIC LOCOMOTIVE CO., LTD., NANCHE GROUP, CHINA |
|
| CP03 | Change of name, title or address |
Address after: Hunan province Zhuzhou City Shifeng Tian Xin Zhuzhou Electric Locomotive Ltd, zip code: 412000 Patentee after: South Locomotive & Rolling Stock Zhuzhou Power Car Co., Ltd. Address before: Hunan province Zhuzhou City Shifeng Tian Xin Zhuzhou Electric Locomotive Ltd, zip code: 412000 Patentee before: Zhuzhou Electric Power Locomotive Co., Ltd., China Nanche Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071024 |
|
| EXPY | Termination of patent right or utility model |