CN201304914Y - Automatic excessive phase controller of electric locomotive and electric locomotive - Google Patents
Automatic excessive phase controller of electric locomotive and electric locomotive Download PDFInfo
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- CN201304914Y CN201304914Y CNU2008202351021U CN200820235102U CN201304914Y CN 201304914 Y CN201304914 Y CN 201304914Y CN U2008202351021 U CNU2008202351021 U CN U2008202351021U CN 200820235102 U CN200820235102 U CN 200820235102U CN 201304914 Y CN201304914 Y CN 201304914Y
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Abstract
The utility model is applicable to the field of railway electric locomotives, and provides an automatic excessive phase controller of a electric locomotive and a electric locomotive thereof; a radio frequency positioning card is arranged on a contact net; a RFID positioning reader which is used to identify the radio frequency positioning card is arranged on the top of the locomotive; a vehicle host calculates and calibrates the distance between advance notice cards at card or phase points before the locomotive by integrating with the current speed of the locomotive according to the positioning information of the radio frequency positioning card acquired by the RFID positioning reader on the top of the locomotive and the kilometer post data read from a TAX box, and carries out separation/combination main circuit breakage control in the passing phase area with the positioning information of the radio frequency positioning card as the primary and the kilometer post data information as the secondary, so as to operate and output the optimal separation main circuit breakage position, reduce the speed loss of the locomotive; and meanwhile, the application of the dual positioning technology also ensures the safety and the reliability of the automatic excessive phase of the locomotive, prevents the omission of checking the passing phase points, and the installation and the maintenance are convenient.
Description
Technical field
The utility model belongs to the railway electric locomotive field, relates in particular to automatically undue phase control setup of a kind of electric locomotive and electric locomotive.
Background technology
China's electric railway traction supply network adopts the single phase industrial frequence ac power supply method.For making the electric system three-phrase burden balance, improve the degree of utilization of electrical network, the contact system of electrified railway adopts segmentation commutation power supply mode, one section insulator is arranged with two-phase contact system electric separating at the commutation point, becomes phase-separating section herein.Damage power equipment supply for fear of traction electric arc, electric locomotive is by the phase-separating section coasting of must cutting off the power supply.The undue phase method of traditional electric locomotive is that the driver indicates that according to disconnected the closing that is provided with on the circuit carrying out M/C breaks with deciliter electrical locomotive power line circuit breaker master, but on quasi high-speed, high-speed line, locomotive per hour will pass through more than ten phase-separating section, M/C is difficult to hold best branch and divides line circuit breaker constantly, also uncontrollable the best falls electric current and rises current rate, thereby cause more locomotive speed loss and bigger locomotive to get excited, this not only influences the comfort level that the passenger rides, and also can shorten the service life of locomotive equipment; Driver operation has the untimely electric arc that will draw of carelessness Huo lookout to burn neutral section insulator slightly simultaneously, directly crisis equipment and traffic safety.
In view of above-mentioned manual switchover mode can't adapt to the especially development of high-speed electric railway of electrified railway, adopt the automatic mode of crossing phase-splitting at present in the world, mainly contain following three kinds: the ground switch automatic switchover scheme that 1, is representative with Japan; 2, be the on-pole switch of the representative scheme of cutting off the power supply automatically with Switzerland AF company; 3, be automatic guidance outage scheme on the car of representative with France, Germany, Britain and Spain.The shortcoming of the 1st kind and the 2nd kind scheme is the disjunction of vacuum load switch on-load, rush of current is arranged during combined floodgate, invest huge, the 3rd kind of scheme has investment less comparatively speaking, the little electric current of a line circuit breaker disjunction subsidiary engine thereby little to the influence of line circuit breaker electric life, be applicable to low speed, Chang Su, quasi high-speed, the plurality of advantages such as train of high-revolving requirement and many bows, but also there are some problems: cut off the power supply for some time on the locomotive, if power-off time is long, then can cause bigger locomotive speed loss, if current control is bad, then can produces electric power and impact and slack action; Adopt the ground induced magnet to discern, lose because of ground magnet easily or reason such as inefficacy causes train operation accidents such as omission generation arcing as phase-splitting point; Because the installation of ground magnet need be constructed on roadbed, it is many to involve department, and difficulty of construction is big.
The utility model content
The purpose of this utility model is to provide automatically undue phase control setup of a kind of electric locomotive and electric locomotive, be intended to solve existing control too mutually automatically in the technical scheme undue phase time easily cause the locomotive speed loss, easily omission phase-splitting point, problem such as performance difficulty is installed.
The utility model is achieved in that the automatically undue phase control setup of a kind of electric locomotive, and described device comprises:
Radio frequency locator card on a plurality of catenarys that are installed on railway contact system along the line, it stores the ID sequence number information of up-downgoing classification information, radio frequency locator card type information and radio frequency locator card; Described radio frequency locator card is divided into the interval card and blocks two types mutually, and described card mutually comprises that advance notice blocks, unloading blocks, minute main disconnected main card that breaks that blocks, closes;
Be installed on the RFID reader of roof, the locating information that is used to gather described radio frequency locator card;
Store the TAX case of kilometer post data;
Obtain the locomotive speed sensor of locomotive speed;
Automatically cross the phase-splitting performance element; And
On-vehicle host, be used for when locomotive during at section operation, the location information of the described interval card that collects according to described RFID reader and the kilometer post data of described TAX case, the current locomotive speed computing of obtaining in conjunction with described locomotive speed sensor is apart from following interval card or predict the distance of blocking mutually;
When locomotive operation was regional to phase-splitting, described on-vehicle host was sent unloading locomotive traction current signal and is divided main break signal the extremely described automatic phase-splitting performance element of crossing according to the described locating information of card mutually that described RFID reader collects; When locomotive is crossed the phase-splitting zone, the described locating information of card mutually that described on-vehicle host presses variable signal and described RFID reader to collect according to detected net is sent and is closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing;
When locomotive operation to phase-splitting zone and can't collect the locating information of described card mutually the time, described on-vehicle host is sent unloading locomotive traction current signal according to the kilometer post data message of described TAX case and is divided main break signal to described automatic phase-splitting performance element; When locomotive was crossed the phase-splitting zone, described on-vehicle host was pressed variable signal and kilometer post data message according to detected net, sent and closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing.
The utility model also provides a kind of electric locomotive, and described electric locomotive comprises:
Be installed on the RFID reader of roof, be used to gather be installed on railway interval card along the line and mutually the card locating information;
Store the TAX case of kilometer post data;
Obtain the locomotive speed sensor of locomotive speed;
Automatically cross the phase-splitting performance element; And
On-vehicle host, be used for when locomotive during at section operation, the location information of the interval card that collects according to described RFID reader and the kilometer post data of described TAX case, the current locomotive speed computing of obtaining in conjunction with described locomotive speed sensor is apart from following interval card or predict the distance of blocking mutually;
When locomotive operation was regional to phase-splitting, described on-vehicle host was sent unloading locomotive traction current signal and is divided main break signal the extremely described automatic phase-splitting performance element of crossing according to the locating information of card mutually that described RFID reader collects; When locomotive is crossed the phase-splitting zone, the locating information of card mutually that described on-vehicle host presses variable signal and described RFID reader to collect according to detected net is sent and is closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing;
When locomotive operation to phase-splitting zone and can't collect the locating information of card mutually the time, described on-vehicle host is sent unloading locomotive traction current signal according to the kilometer post data message of described TAX case and is divided main break signal to described automatic phase-splitting performance element; When locomotive was crossed the phase-splitting zone, described on-vehicle host was pressed variable signal and kilometer post data message according to detected net, sent and closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing.
In the utility model, by the radio frequency locator card is installed on contact system, and the RFID location reader be used to discern this radio frequency locator card is installed at roof, the locating information and the kilometer post data of the radio frequency locator card that on-vehicle host is gathered according to roof RFID location reader, in conjunction with current locomotive speed, calculate, next interval card in adjusting machine spacing the place ahead or the distance of blocking mutually, and in the locating information of undue alpha region based on the radio frequency locator card, with the kilometer post data message is that main disconnected control is divided/closed to the mode of assisting, guarantee the disconnected position of the best master of branch of computing output, reduce the locomotive speed loss, the employing of this dual location technology has simultaneously also guaranteed the automatic safety of crossing phase-splitting of locomotive, reliability, avoid omission phase-splitting point, and convenient for installation and maintenance.
Description of drawings
Fig. 1 is the automatic too structure principle chart of phase control setup of electric locomotive that the utility model embodiment provides;
Fig. 2 is the cloth card scheme drawing of the radio-frequency card that provides of the utility model embodiment;
Fig. 3 is the process scheme drawing of the loading locomotive traction electric current that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Among the utility model embodiment, the radio frequency locator card is installed on contact system, and RF identification (the Radio Frequency Identification be used to discern this radio frequency locator card is installed at roof, RFID) location reader, the locating information and the kilometer post data of the radio frequency locator card that on-vehicle host is gathered according to roof RFID location reader, in conjunction with current locomotive speed, calculate, next interval card in adjusting machine spacing the place ahead or the distance of blocking mutually, and in the locating information of undue alpha region based on the radio frequency locator card, with the kilometer post data message is that main disconnected control is divided/closed to the mode of assisting.
Fig. 1 shows the automatic too structural principle of phase control setup of electric locomotive that the utility model embodiment provides, and for convenience of description, only shows the part relevant with the utility model embodiment.
With reference to Fig. 1, radio frequency locator card 11 is installed on the catenary 10 of contact system, radio frequency locator card 11 can be for passive, also can be for active, the locating information of card stored comprises the up-downgoing classification information, radio frequency locator card type information, and the ID sequence number information of radio frequency locator card etc., wherein the radio frequency locator card is divided into interval card and blocks two types mutually, card comprises the advance notice card again mutually, the unloading card, divide main disconnected card, close main disconnected card, as shown in Figure 2, cloth card principle is that interval card is corresponding with the static kilometer post integral value in ground along the line as far as possible, interval card equidistantly distributes, as 5km, and the distance of advance notice card and interval card before, the distance of closing main disconnected card and interval card afterwards can be less than 5km.Up-downgoing information in the locating information of card stored can be avoided misreading and face ply-yarn drill, the uplink information card is installed on up route, the downlink information card is installed on descending route, wherein, interval card is used to on-vehicle host that locomotive location information is provided, as the computing parameter, and card is used to on-vehicle host that the phase-splitting positional parameter was provided automatically mutually.
On-vehicle host 13 can be installed between machinery, wherein be implanted with kilometer post data and interval static correspondence relationship information of blocking in advance, on-vehicle host 13 according to the kilometer post data of TAX case 11 with and the static correspondence relationship information of inner kilometer post data of planting in advance and interval card, the correctness of the location information of the interval card that the mark checking is collected, when the location information of interval card is correct, on-vehicle host 13 calculates down the distance of opening card according to the kilometer post data and the current speed of locomotive of this location information and TAX case 11, supervise reliably reading of following card internal information, accurate recording skip card phenomenon, wherein the current speed of locomotive can have the locomotive speed sensor 15 on the locomotive to obtain.If when not reading card in the predetermined certain limit that reads card position, as ± 100m, then location information following distance of blocking of computing that be as the criterion in the on-vehicle host 13 above cards that read writes down current skip card information simultaneously.Consecutive numbers Zhang Kawei then (as three) can also be set, trigger fault alarm 17 and report to the police, and write down, store skip card failure incident.
When locomotive operation was regional to phase-splitting, on-vehicle host 13 was sent unloading locomotive traction current and is divided the extremely automatic phase-splitting performance element 16 of crossing of main break signal to carry out the phase-splitting action according to the locating information of the radio frequency locator card 11 that collects; When locomotive is crossed the phase-splitting zone, on-vehicle host 13 is pressed the locating information of variable signal and the radio frequency locator card 11 that collects according to detected net, send and close main break signal and load the locomotive traction current signal to the automatic phase-splitting performance element 16 of crossing, the automatic phase-splitting performance element 16 of crossing carries out finishing signal to on-vehicle host 13 feedbacks one after the corresponding action.
When the locating information that can't collect radio frequency locator card 11 and locomotive operation during (as the damage of radio frequency locator card etc.) to the phase-splitting zone, on-vehicle host 13 send unloading locomotive traction current according to the kilometer post data message of TAX case 11 and divide main break signal to the automatic phase-splitting performance element 16 of crossing to carry out the phase-splitting action; When locomotive is crossed the phase-splitting zone, on-vehicle host is pressed the kilometer post data message of variable signal TAX case 11 according to detected net, send and close main break signal and load the locomotive traction current signal to the automatic phase-splitting performance element 16 of crossing, this locating information based on the radio frequency locator card, with the kilometer post data message be the mode of assisting guaranteed locomotive automatic safety, the reliability of phase-splitting.
Among the utility model embodiment, unloading, loading locomotive traction electric current are the linear slope mode of secondary, various states such as the zero-bit of suitable locomotive, traction, electricity system, Fig. 3 shows the process that loads the locomotive traction electric current, and the main disconnected locomotive traction electric current before of branch closes after main the breaking automatically 8 grades of seats in the plane, automatically the slope loading procedure is divided into secondary, from 0 to 2 grade of seat in the plane of the first order, the second stage are from grade seat in the plane, 2 grades of seats in the plane to 8, and loading Slope Parameters can adjust according to practical application.
On-vehicle host 13 is in the static no speed of locomotive but carry out static self check when being in nominal situation, and principle is as follows: locomotive quiescence, device power-up operation, on-vehicle host 13 real-time each functional module of self check and peripheral circuit interface mode of operations.The self check content comprises roof RFID location reader 12, the kilometer post communication interface of communicating by letter with TAX case 11, peripheral I/O control interface, recording storage module, warning output interface etc.During start, on-vehicle host 13 control annunciators 17 shiny red indicator lamps, after an equipment functional module self check was normal, the indicator lamp virescences were controlled in on-vehicle host 13 outputs, and the buzzer phone yowl sound that " ticks "; If the self check mal, the red flicker of on-vehicle host 13 output control indicator lamps, and buzzer phone sends " ticking " continuant.
On-vehicle host 13 is carried out dynamic self-checking simultaneously when the locomotive on-line operation, principle is as follows: locomotive on-line operation, on-vehicle host 13 are every certain (as 1s) loop cycle self check once.Equipment self-inspection just often, on-vehicle host 13 output control indicator lamps be green, buzzer phone is quiet; If during fault, the red flicker of indicator lamp, and buzzer phone sends " ticking " continuant, and stirring " throwings/incisions pass " up to the driver is to excise the position, and buzzer phone is quiet, and indicator lamp is red Chang Liang.
The utility model embodiment also provides a kind of electric locomotive, comprises the RFID reader that is installed on roof, the TAX case, and on-vehicle host, locomotive speed sensor, and the automatic phase-splitting performance element of crossing, concrete principle of work is as indicated above, repeats no more.
Among the utility model embodiment, by the radio frequency locator card is installed on contact system, and the RFID location reader be used to discern this radio frequency locator card is installed at roof, the locating information and the kilometer post data of the radio frequency locator card that on-vehicle host is gathered according to roof RFID location reader, in conjunction with current locomotive speed, calculate, next interval card in adjusting machine spacing the place ahead or the distance of blocking mutually, and in the locating information of undue alpha region based on the radio frequency locator card, with the kilometer post data message is that main disconnected control is divided/closed to the mode of assisting, guarantee the disconnected position of the best master of branch of computing output, reduce the locomotive speed loss, the employing of this dual location technology has simultaneously also guaranteed the automatic safety of crossing phase-splitting of locomotive, reliability, avoid omission phase-splitting point, and convenient for installation and maintenance.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1, the automatically undue phase control setup of a kind of electric locomotive is characterized in that described device comprises:
Radio frequency locator card on a plurality of catenarys that are installed on railway contact system along the line, it stores the ID sequence number information of up-downgoing classification information, radio frequency locator card type information and radio frequency locator card; Described radio frequency locator card is divided into the interval card and blocks two types mutually, and described card mutually comprises that advance notice blocks, unloading blocks, minute main disconnected main card that breaks that blocks, closes;
Be installed on the RFID reader of roof, the locating information that is used to gather described radio frequency locator card;
Store the TAX case of kilometer post data;
Obtain the locomotive speed sensor of locomotive speed;
Automatically cross the phase-splitting performance element; And
On-vehicle host, be used for when locomotive during at section operation, the location information of the described interval card that collects according to described RFID reader and the kilometer post data of described TAX case, the current locomotive speed computing of obtaining in conjunction with described locomotive speed sensor is apart from following interval card or predict the distance of blocking mutually;
When locomotive operation was regional to phase-splitting, described on-vehicle host was sent unloading locomotive traction current signal and is divided main break signal the extremely described automatic phase-splitting performance element of crossing according to the described locating information of card mutually that described RFID reader collects; When locomotive is crossed the phase-splitting zone, the described locating information of card mutually that described on-vehicle host presses variable signal and described RFID reader to collect according to detected net is sent and is closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing;
When locomotive operation to phase-splitting zone and can't collect the locating information of described card mutually the time, described on-vehicle host is sent unloading locomotive traction current signal according to the kilometer post data message of described TAX case and is divided main break signal to described automatic phase-splitting performance element; When locomotive was crossed the phase-splitting zone, described on-vehicle host was pressed variable signal and kilometer post data message according to detected net, sent and closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing.
2, device as claimed in claim 1 is characterized in that, described interval card and corresponding, the equidistant distribution of the static kilometer post integral value in ground along the line.
3, device as claimed in claim 1 is characterized in that, the described automatic phase-splitting performance element of crossing is connected with described on-vehicle host formation closed loop, finishes signal to described on-vehicle host feedback one after carrying out corresponding action.
4, device as claimed in claim 1 is characterized in that, described device also comprises:
Annunciator obtains the unloading card information in described on-vehicle host, sends unloading locomotive traction current signal and close branchs/when closing main break signal, trigger warning by described on-vehicle host.
5, device as claimed in claim 4 is characterized in that, described annunciator is embedded on the both-end driver's cab operator's station, comprises bi-colour LED, buzzer phone, throwing/incision pass.
6, a kind of electric locomotive is characterized in that, described electric locomotive comprises:
Be installed on the RFID reader of roof, be used to gather be installed on railway interval card along the line and mutually the card locating information;
Store the TAX case of kilometer post data;
Obtain the locomotive speed sensor of locomotive speed;
Automatically cross the phase-splitting performance element; And
On-vehicle host, be used for when locomotive during at section operation, the location information of the interval card that collects according to described RFID reader and the kilometer post data of described TAX case, the current locomotive speed computing of obtaining in conjunction with described locomotive speed sensor is apart from following interval card or predict the distance of blocking mutually;
When locomotive operation was regional to phase-splitting, described on-vehicle host was sent unloading locomotive traction current signal and is divided main break signal the extremely described automatic phase-splitting performance element of crossing according to the locating information of card mutually that described RFID reader collects; When locomotive is crossed the phase-splitting zone, the locating information of card mutually that described on-vehicle host presses variable signal and described RFID reader to collect according to detected net is sent and is closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing;
When locomotive operation to phase-splitting zone and can't collect the locating information of card mutually the time, described on-vehicle host is sent unloading locomotive traction current signal according to the kilometer post data message of described TAX case and is divided main break signal to described automatic phase-splitting performance element; When locomotive was crossed the phase-splitting zone, described on-vehicle host was pressed variable signal and kilometer post data message according to detected net, sent and closed main break signal and load the locomotive traction current signal to the described automatic phase-splitting performance element of crossing.
7, electric locomotive as claimed in claim 6 is characterized in that, the described automatic phase-splitting performance element of crossing is connected with described on-vehicle host formation closed loop, finishes signal to described on-vehicle host feedback one after carrying out corresponding action.
8, electric locomotive as claimed in claim 6 is characterized in that, described electric locomotive also comprises:
Annunciator obtains the unloading card information in described on-vehicle host, sends unloading locomotive traction current signal and close branchs/when closing main break signal, trigger warning by described on-vehicle host.
9, electric locomotive as claimed in claim 8 is characterized in that, described annunciator is embedded on the both-end driver's cab operator's station, comprises bi-colour LED, buzzer phone, throwing/incision pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202351021U CN201304914Y (en) | 2008-12-08 | 2008-12-08 | Automatic excessive phase controller of electric locomotive and electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202351021U CN201304914Y (en) | 2008-12-08 | 2008-12-08 | Automatic excessive phase controller of electric locomotive and electric locomotive |
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| CN201304914Y true CN201304914Y (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008202351021U Expired - Lifetime CN201304914Y (en) | 2008-12-08 | 2008-12-08 | Automatic excessive phase controller of electric locomotive and electric locomotive |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559732B (en) * | 2008-12-08 | 2011-04-06 | 深圳市丰泰瑞达实业有限公司 | Automatic neutral section passover control method of electric locomotive, device thereof, and electric locomotive |
| CN104554350A (en) * | 2014-11-20 | 2015-04-29 | 上海富欣智能交通控制有限公司 | Beacon detection method in train positioning process |
| CN105197069A (en) * | 2014-02-26 | 2015-12-30 | 浙江众合科技股份有限公司 | Method for detecting train beacon misreading |
| CN105691245A (en) * | 2016-03-29 | 2016-06-22 | 三峡大学 | No-impact partition phase conversion system and method for electric locomotive |
| CN106154297A (en) * | 2015-04-16 | 2016-11-23 | 中国铁道科学研究院 | A kind of portable car-mounted bimodulus positioner and train bimodulus localization method |
| CN106364501A (en) * | 2016-10-08 | 2017-02-01 | 中车株洲电力机车有限公司 | Multi-connected vehicles and control system and method for multi-connected vehicles to pass through nonelectric region |
| CN109050580A (en) * | 2018-08-28 | 2018-12-21 | 株洲中车时代电气股份有限公司 | Railroad traction discharging method and device during a kind of locomotive automatic passing over of neutral section |
| CN110884505A (en) * | 2019-10-17 | 2020-03-17 | 株洲中车时代电气股份有限公司 | Control method and system for passing neutral section of train |
| CN114734886A (en) * | 2022-01-25 | 2022-07-12 | 长沙南睿轨道交通电气设备有限公司 | Heavy-duty train and automatic passing neutral section method and device thereof |
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2008
- 2008-12-08 CN CNU2008202351021U patent/CN201304914Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559732B (en) * | 2008-12-08 | 2011-04-06 | 深圳市丰泰瑞达实业有限公司 | Automatic neutral section passover control method of electric locomotive, device thereof, and electric locomotive |
| CN105197069A (en) * | 2014-02-26 | 2015-12-30 | 浙江众合科技股份有限公司 | Method for detecting train beacon misreading |
| CN105197069B (en) * | 2014-02-26 | 2017-01-18 | 浙江众合科技股份有限公司 | Method for detecting train beacon misreading |
| CN104554350A (en) * | 2014-11-20 | 2015-04-29 | 上海富欣智能交通控制有限公司 | Beacon detection method in train positioning process |
| CN106154297A (en) * | 2015-04-16 | 2016-11-23 | 中国铁道科学研究院 | A kind of portable car-mounted bimodulus positioner and train bimodulus localization method |
| CN105691245A (en) * | 2016-03-29 | 2016-06-22 | 三峡大学 | No-impact partition phase conversion system and method for electric locomotive |
| CN106364501A (en) * | 2016-10-08 | 2017-02-01 | 中车株洲电力机车有限公司 | Multi-connected vehicles and control system and method for multi-connected vehicles to pass through nonelectric region |
| CN109050580A (en) * | 2018-08-28 | 2018-12-21 | 株洲中车时代电气股份有限公司 | Railroad traction discharging method and device during a kind of locomotive automatic passing over of neutral section |
| CN110884505A (en) * | 2019-10-17 | 2020-03-17 | 株洲中车时代电气股份有限公司 | Control method and system for passing neutral section of train |
| CN114734886A (en) * | 2022-01-25 | 2022-07-12 | 长沙南睿轨道交通电气设备有限公司 | Heavy-duty train and automatic passing neutral section method and device thereof |
| CN114734886B (en) * | 2022-01-25 | 2023-03-24 | 长沙南睿轨道交通电气设备有限公司 | Heavy-duty train and automatic passing neutral section method and device thereof |
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