CN201821310U - Alternating-current auxiliary transmission control system for diesel locomotive - Google Patents
Alternating-current auxiliary transmission control system for diesel locomotive Download PDFInfo
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- CN201821310U CN201821310U CN2010205108611U CN201020510861U CN201821310U CN 201821310 U CN201821310 U CN 201821310U CN 2010205108611 U CN2010205108611 U CN 2010205108611U CN 201020510861 U CN201020510861 U CN 201020510861U CN 201821310 U CN201821310 U CN 201821310U
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Abstract
The utility model discloses an alternating-current auxiliary transmission control system for a diesel locomotive. An auxiliary generator (1) is driven by a diesel engine which serves as a power unit of the locomotive, alternating-current power generated from the auxiliary generator (1) is rectified into direct-current power through a rectifier (2), the direct-current power is independently supplied to each auxiliary inverter though a filter reactor and a filter capacitor respectively, and then is converted into alternating-current power via the various auxiliary inverters to be further output to an alternating-current auxiliary motor of each auxiliary locomotive driving device. Each auxiliary inverter consists of three identical modules composed of three pairs of power devices IGBT (insulated gate bipolar transistors) and six fast-recovery diodes, wherein each module is composed of a pair of power devices IGBT and two fast-recovery diodes. By the aid of the alternating-current auxiliary transmission control system for the diesel locomotive, output voltage of the alternating-current auxiliary motors of the auxiliary locomotive driving devices can be increased to a constant value when the diesel engine serving as the power unit of the diesel locomotive works in a low-revolution sector, so that the output voltage of the alternating-current auxiliary motors within the whole revolution range is guaranteed to be not lower than a certain value and normal starting of auxiliary devices is guaranteed.
Description
Technical field
The invention belongs to the equipment technology field, be specifically related to the auxiliary A/C transmission control system of a kind of diesel locomotive.
Background technology
Because the rotation speed change scope of the power set diesel engine of diesel locomotive is very big, generally between 400～1000r/min or 600～1800r/min, the original subordinate inverter of diesel locomotive adopts the Sine Modulated control circuit, usually auxiliary generator output voltage and diesel engine speed rotating speed are linear, when the power set diesel engine starting process and the diesel engine slow-speed of revolution, the auxiliary generator output voltage is very low, cause the brownout that is transported to the interchange auxiliary motor that drives each servicing unit of locomotive at last, cause exchanging auxiliary motor and start difficulty.
For solving the problems of the technologies described above, the method that tradition adopts is: when diesel engine low speed, by auxiliary generator is added magnet excitation, improving the output voltage of closed-loop control sets, improve exciting current, thereby improve the auxiliary generator output voltage, promptly improved the ratio-voltage-frequency ratio of electric voltage frequency.But this method must improve busbar voltage is the basis, can not keep under the certain situation of busbar voltage, it is low to exchange the auxiliary motor output voltage when solving the diesel engine low cruise of original locomotive subordinate inverter Sine Modulated control circuit existence, cause starting torque lower, cause servicing unit to start the deficiency of difficulty.
Summary of the invention
The technical problems to be solved in the utility model is by the appropriate design to the auxiliary A/C transmission control system configuration of diesel locomotive, manage to make diesel engine when slow-speed of revolution work section, the output voltage that exchanges auxiliary motor is brought up to certain value, guarantee to exchange auxiliary motor output voltage in the full range of speeds and be not less than certain value, be implemented in the normal startup that all can guarantee servicing unit under the various operating modes.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: auxiliary generator is directly driven by the power set diesel engine of locomotive, the alternating current that auxiliary generator sends, become direct current through rectifier rectification, difference is wave reactor, filtering capacitor after filtration, independently-powered to each subordinate inverter, be made into alternating current again by each subordinate inverter and output to and respectively exchange auxiliary motor.
As a kind of preferred version of the present utility model, each subordinate inverter is made up of three equal modules that three couples of power device IGBT and six fast recovery diodes constitute, each module is made up of a pair of power device IGBT and two fast recovery diodes, by turning on and off of IGBT gate drive signal control IGBT, when the IGBT signal is positive level, IGBT is open-minded, and diode turn-offs; When the IGBT gate drive signal was negative level, IGBT turn-offed, by the afterflow of fast recovery diode realization to load.
As further a kind of preferred version of the present utility model, described subordinate inverter circuit structure is identical.
As further a kind of preferred version of the present utility model, realize with busbar voltage VD inversion being that the circuit module structure of three tunnel output voltage V A, VB, VC is identical in described each subordinate inverter.
The utility model is by the enforcement of such scheme, overcome when there is the diesel engine low cruise in original locomotive subordinate inverter Sine Modulated control circuit in the prior art that to exchange the auxiliary motor output voltage low, cause starting torque lower, cause servicing unit to start the deficiency of difficulty, realize that servicing unit all can start smoothly under various operating modes.
Description of drawings
Fig. 1 diesel locomotive is assisted the A/C transmission control system block diagram.
Fig. 2 subordinate inverter main circuit diagram.
Embodiment
Now the utility model is described in further detail in conjunction with the accompanying drawings:
Fig. 1 is the auxiliary alternating-current actuating system block diagram of described diesel locomotive:
A kind of diesel locomotive is assisted the A/C transmission control system, auxiliary generator 1 is directly driven by the power set diesel engine of locomotive, the alternating current that auxiliary generator 1 sends, be rectified into direct current through rectifier 2, it is characterized in that: be rectified into direct current through rectifier 2, difference is wave reactor 3, filtering capacitor 6 after filtration, supplies power to subordinate inverter 9, becomes alternating current again by subordinate inverter 9 and outputs to interchange auxiliary motor 12; Be rectified into direct current through rectifier 2, difference is wave reactor 4, filtering capacitor 7 after filtration, supplies power to subordinate inverter 10, becomes alternating current again by subordinate inverter 10 and outputs to interchange auxiliary motor 13; Be rectified into direct current through rectifier 2, difference is wave reactor 5, filtering capacitor 8 after filtration, supplies power to subordinate inverter 11, becomes alternating current again by subordinate inverter 11 and outputs to interchange auxiliary motor 14.
Fig. 2 is described subordinate inverter main circuit diagram:
Subordinate inverter 9,10,11 structures are identical among the figure.
Realize with busbar voltage VD inversion being that the circuit module structure of three tunnel output voltage V A, VB, VC is identical among the figure in the subordinate inverter.
Described realization is that the circuit module structure of output voltage V A is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBTA+ meets busbar voltage VD, the collector electrode of the following brachium pontis IGBTA-that emitter is corresponding with it joins, following brachium pontis IGBT A-grounded emitter, the plus earth of a fast recovery diode D2, the negative pole of another fast recovery diode D1 meets busbar voltage VD, the other end of two diodes links to each other and joins output voltage V A with the junction of two power device IGBT.
Described realization is that the circuit module structure of output voltage V B is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBTB+ meets busbar voltage VD, the collector electrode of the following brachium pontis IGBT B-that emitter is corresponding with it joins, following brachium pontis IGBT B-grounded emitter, the plus earth of a fast recovery diode D4, the negative pole of another fast recovery diode D3 meets busbar voltage VD, the other end of two diodes links to each other and joins output voltage V B with the junction of two power device IGBT.
Described realization is that the circuit module structure of output voltage V C is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBTC+ meets busbar voltage VD, and the collector electrode of the following brachium pontis IGBT C-that emitter is corresponding with it joins, following brachium pontis IGBT C-grounded emitter.The plus earth of a fast recovery diode D6, the negative pole of another fast recovery diode D5 meets busbar voltage VD, and the other end of two diodes links to each other and joins output voltage V C with the junction of two power device IGBT.
Realize with busbar voltage VD inversion being the circuit module of three tunnel output voltage V A, VB, VC in described each subordinate inverter 9,10,11, be preferably the SKAI 3001GD12-1455K that Xi Menkang company produces.
Described filter reactor 3,4,5 models are identical, and being preferably the model of newly earning every day in Dalian is the KGH-0.5 reactor.
Described filtering capacitor 6,7,8 models are identical, be preferably Dalian energetically the model of New Tech S. R. L. be the 40132259-II capacitor.
Though described execution mode of the present utility model in conjunction with the accompanying drawings, it is apparent to a person skilled in the art that this only illustrates, can make numerous variations or modification to this implementation method, and not deviate from principle of the present invention and essence.
Claims (9)
1. a diesel locomotive exchanges the accessory drives control system, and auxiliary generator (1) is directly driven by the power set diesel engine of locomotive, and the alternating current that auxiliary generator (1) sends is rectified into direct current through rectifier (2), it is characterized in that:
The direct current that is rectified into through rectifier (2), difference is wave reactor (3), filtering capacitor (6) after filtration, supply power to subordinate inverter (9), become alternating current again by subordinate inverter (9) and output to the interchange auxiliary motor (12) that drives the locomotive auxiliary equipment;
The direct current that is rectified into through rectifier (2), difference is wave reactor (4), filtering capacitor (7) after filtration, supply power to subordinate inverter (10), become alternating current again by subordinate inverter (10) and output to the interchange auxiliary motor (13) that drives the locomotive auxiliary equipment;
The direct current that is rectified into through rectifier (2), difference is wave reactor (5), filtering capacitor (8) after filtration, supply power to subordinate inverter (11), become alternating current again by subordinate inverter (11) and output to the interchange auxiliary motor (14) that drives the locomotive auxiliary equipment.
2. exchange the accessory drives control system according to the described a kind of diesel locomotive of claim 1, it is characterized in that: described subordinate inverter (9), (10), (11) circuit structure are identical.
3. exchange the accessory drives control system according to the described a kind of diesel locomotive of claim 2, it is characterized in that: realize with busbar voltage VD inversion being that the circuit module structure of three tunnel output voltage V A, VB, VC is identical in described each subordinate inverter (9), (10), (11).
4. exchange the accessory drives control system according to the described a kind of diesel locomotive of claim 3, it is characterized in that: described realization is that the circuit module of output voltage V A is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBT A+ meets busbar voltage VD, the collector electrode of the following brachium pontis IGBTA-that emitter is corresponding with it joins, following brachium pontis IGBT A-grounded emitter, the plus earth of a fast recovery diode D2, the negative pole of another fast recovery diode D1 meets busbar voltage VD, the other end of two diodes links to each other and joins output voltage V A with the junction of two power device IGBT.
5. exchange the accessory drives control system according to the described a kind of diesel locomotive of claim 3, it is characterized in that: described realization is that the circuit module of output voltage V B is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBT B+ meets busbar voltage VD, the collector electrode of the following brachium pontis IGBT B-that emitter is corresponding with it joins, following brachium pontis IGBT B-grounded emitter, the plus earth of a fast recovery diode D4, the negative pole of another fast recovery diode D3 meets busbar voltage VD, the other end of two diodes links to each other and joins output voltage V B with the junction of two power device IGBT.
6. exchange the accessory drives control system according to the described a kind of diesel locomotive of claim 3, it is characterized in that: described realization is that the circuit module of output voltage V C is with busbar voltage VD inversion: the collector electrode of going up brachium pontis IGBT C+ meets busbar voltage VD, the collector electrode of the following brachium pontis IGBT C-that emitter is corresponding with it joins, following brachium pontis IGBT C-grounded emitter.The plus earth of a fast recovery diode D6, the negative pole of another fast recovery diode D5 meets busbar voltage VD, and the other end of two diodes links to each other and joins output voltage V C with the junction of two power device IGBT.
7. exchange the accessory drives control system according to claim 4,5 or 6 described a kind of diesel locomotives, it is characterized in that: described is the circuit module of three tunnel output voltage V A, VB, VC with busbar voltage VD inversion, is preferably the SKAI 3001GD12-1455K that Xi Menkang company produces.
8. exchange the accessory drives control system according to claim 1 or 2 described a kind of diesel locomotives, it is characterized in that: described filter reactor (3), (4), (5) model are identical, and being preferably the model of newly earning every day in Dalian is the KGH-0.5 reactor.
9. exchange the accessory drives control system according to claim 1 or 2 described a kind of diesel locomotives, it is characterized in that: described filtering capacitor (6), (7), (8) model are identical, be preferably Dalian energetically the model of New Tech S. R. L. be the 40132259-II capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108611U CN201821310U (en) | 2010-08-28 | 2010-08-28 | Alternating-current auxiliary transmission control system for diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205108611U CN201821310U (en) | 2010-08-28 | 2010-08-28 | Alternating-current auxiliary transmission control system for diesel locomotive |
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| Publication Number | Publication Date |
|---|---|
| CN201821310U true CN201821310U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205108611U Expired - Lifetime CN201821310U (en) | 2010-08-28 | 2010-08-28 | Alternating-current auxiliary transmission control system for diesel locomotive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383305A (en) * | 2015-11-28 | 2016-03-09 | 中国北车集团大连机车车辆有限公司 | Power supply circuit for railroad vehicle |
| CN111917359A (en) * | 2020-08-05 | 2020-11-10 | 中车大连机车车辆有限公司 | Control method for motor voltage of train alternating current auxiliary transmission system |
-
2010
- 2010-08-28 CN CN2010205108611U patent/CN201821310U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383305A (en) * | 2015-11-28 | 2016-03-09 | 中国北车集团大连机车车辆有限公司 | Power supply circuit for railroad vehicle |
| CN111917359A (en) * | 2020-08-05 | 2020-11-10 | 中车大连机车车辆有限公司 | Control method for motor voltage of train alternating current auxiliary transmission system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee after: CRRC DALIAN Co.,Ltd. Address before: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee before: DALIAN LOCOMOTIVE AND ROLLING STOCK CO., LTD. CNR Group |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160527 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY Corp. Patentee after: CRRC DALIAN Co.,Ltd. Address before: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee before: CRRC DALIAN Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |