CN201961173U - Online anti-icing system of rail traction power supply contact net - Google Patents
Online anti-icing system of rail traction power supply contact net Download PDFInfo
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- CN201961173U CN201961173U CN2011200337568U CN201120033756U CN201961173U CN 201961173 U CN201961173 U CN 201961173U CN 2011200337568 U CN2011200337568 U CN 2011200337568U CN 201120033756 U CN201120033756 U CN 201120033756U CN 201961173 U CN201961173 U CN 201961173U
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Abstract
The utility model relates to a online anti-icing system of rail traction power supply contact net, the first end and the tail end of the contact network are provided with a perception inductive reactive source and a capacitive reactive power source respectively; The perception inductive reactive source is used to make contact net current and heating, realization of anti-icing or ice-melt; The capacitive reactive power source is used for the contact net reactive power compensation, realization of catenary dynamic reactive power balance.etc. The system also comprises a meteorological monitoring device and an online control ware, and the meteorological monitoring device is used for monitoring the meteorological parameter, sends meteorological parameter to online control ware; The online control ware, be used for according to the meteorological parameter judge that needs are anti-icing, ice-melt or dynamic reactive power compensation, move in relevant perception inductive reactive source and capacitive reactive power source. The utility model can realize the contact net for anti-icing, ice-melt, balanced and dynamic reactive power compensation system reduce loss, improve the quality of electric energy.
Description
Technical field
The utility model relates to the power system power supply field, the online anti of particularly a kind of rail traction contact net for power supplying.
Background technology
Flourish along with Chinese Railway transportation, railway is being undertaken more and more important effect in national economic development and national defense construction, expect the year two thousand twenty, the china railway operation mileage is with ten thousand kilometers of great-leap-forward developments to 10, main busy trunk lines realizes separating lines for passenger and freight, complex line rate and electrochemical rate all reach more than 50%, and Chinese Railway will form the grand blueprint of the high speed railway net of " four horizontal four is vertical ".
Recent years, influenced by global warming, extreme weather, climate damage incident are more frequent, with south, Central China, the East China of China the historical rare ice and snow disaster of congealing has all appearred abroad, especially in the Hunan, the most of area in Guizhou, Guangxi, Jiangxi is disaster-stricken serious, electric power facility has suffered unprecedented destruction, because of sleet, ice and snow harm cause that the accident of power failure is very serious and frequent.For guaranteeing train safe operation under extreme hazard weather situation such as sleet and ice and snow, the demand anti-icing to electrification railway contact net also becomes increasingly conspicuous.
Behind the rail traction contact net for power supplying icing, will seriously influence locomotive on the one hand and be flowed; On the other hand when the pantograph of locomotive contacts with ice coating wire, can produce the arcing phenomenon, lead and pantograph wearing and tearing are strengthened, cause the havoc of contact system sometimes, and then occur that contact system is waved and even fall accidents such as bar, the net that collapses, make train lose the power of operation, have a strong impact on safe, the reliable and running on time of train.Therefore, contact system especially contact wire being taked necessary ice control is the technical barrier who demands urgently capturing.
At present, increase reactor or resistor mode in the more employing of the rail traction contact net for power supplying loop.This mode seals in fixedly classification reactor in traction contact system loop, under the no locomotive situation, produce the heat that electric current is kept the traction power supply contact system, realizes anti-icing purpose.Theoretically, adopt the anti-icing technology of this mode simple, effective, producing joule heat by big electric current carries out anti-icing, but, this mode is installed loss ratio in operational process bigger, simultaneously electric power system produced a large amount of harmonic waves, so cause the traction power supply power rate low excessively, have a strong impact on quality of power supply, and need stop and put into operation, complicated operation, can't be implemented in line control and dynamic switching.
The utility model content
The purpose of this utility model provides a kind of rail traction contact net for power supplying online anti, and this system can realize anti-icing, the ice-melt of contact system, and feasible system dynamic reactive balance, reduces system loss.
The online anti of a kind of rail traction contact net for power supplying of the utility model, the head end of contact system and end are provided with perceptual reactive source and capacitive reactive power source respectively, or capacitive reactive power source and perceptual reactive source are set respectively; Described perceptual reactive source is used to make contact system galvanization and heating, realizes anti-icing or ice-melt; Described capacitive reactive power source is used for the contact system reactive-load compensation, realizes contact system dynamic reactive balance.
Preferably, this system also comprises weather monitoring device and on-line controller: described weather monitoring device, be used to monitor meteorologic parameter, and send meteorologic parameter to on-line controller; Described on-line controller, be used for according to meteorologic parameter judge that needs are anti-icing, ice-melt or dynamic passive compensation, move in relevant perceptual reactive source of control and capacitive reactive power source.
Preferably, single line or multiple line contact system comprise uplink contact system and downlink contact system, and the uplink contact system all is connected a perceptual reactive source or capacitive reactive power source with downlink contact system end.
Preferably, the weather monitoring device comprises air velocity transducer, temperature sensor, reaches humidity sensor: described air velocity transducer is used to obtain the wind speed parameter; Described temperature sensor is used to obtain temperature parameter; Described humidity sensor is used to obtain humidity parameter.
Preferably, perceptual reactive source is TCR, SVG, MCR, TSR or MSR; The capacitive reactive power source is FC, TSC or SVG.
Compared with prior art, the utlity model has following advantage:
When the utility model icing occurs at contact system, enter anti-icing pattern, anti-contact wire icing is also taken into account no-power compensation function, and system loss is little; After during the contact system skylight, enter ice-melt mode, can realize local area and transregional ice-melt; When weather is good, enter the dynamic passive compensation pattern, can carry out dynamic passive compensation according to condition of loading, improve the quality of power supply of railway power supply system, reach the effect of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the online anti of the utility model rail traction contact net for power supplying;
Fig. 2 is another embodiment of the online anti of the utility model rail traction contact net for power supplying;
Fig. 3 is that the terminal perceptual reactive source of contact system is the embodiment of TCR;
Fig. 4 is that the terminal perceptual reactive source of contact system is the embodiment of SVG;
Fig. 5 is that the terminal perceptual reactive source of contact system is the embodiment of MCR;
Fig. 6 is that the terminal perceptual reactive source of contact system is the embodiment of TSR;
Fig. 7 is that the terminal perceptual reactive source of contact system is the embodiment of MSR;
Fig. 8 is that the terminal capacitive reactive power of contact system source is the embodiment of FC;
Fig. 9 is that the terminal capacitive reactive power of contact system source is the embodiment of TSC;
Figure 10 is that the terminal capacitive reactive power of contact system source is the embodiment of SVG.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The utility model is provided with reactive source at rail traction contact system first and last end, and the various combination by reactive source is realized the reactive balance of contact system, makes contact system flow through a large amount of reactive component of currents, produces calorific effect on the line, realizes the anti-icing purpose of contact system.
Referring to Fig. 1, the online anti of the utility model rail traction contact net for power supplying is shown.Reactive source 17 is arranged on the contact system head end, and substation A place is connected with contact system by switch 1; Reactive source 18 is arranged on the contact system end, and the subregion booth place between A of substation and the B of substation is connected with contact system by switch 3, and switch 4 is set in the subregion booth.
This anti also comprises weather monitoring device 19, and weather monitoring device 19 can be installed in zones such as substation, subregion booth, contact system somewhere along the line respectively according to actual condition needs such as electrified railway climate changes along the line.Weather monitoring device 19 is made up of data logger and a plurality of meteorological sensor, and meteorological sensor comprises air velocity transducer, wind transducer, temperature sensor, reaches humidity sensor etc., also can add the solar power protective case, prevents that above-mentioned meteorological sensor is damaged.Meteorological sensor is mainly measured microenvironment meteorologic parameters such as air themperature, air humidity, wind speed, wind direction, and this meteorologic parameter is sent to data logger preserves.
This anti also is included in lane controller 20, on on-line controller 20 and weather monitoring device 19, the contact system in each switch, reactive source 17, reactive source 18 and the substation relevant device be connected.Weather monitoring device 19 is sent to on-line controller 20 with meteorologic parameter.
Influence the contact system icing and depend primarily on ambient air temperature (below 0 ℃), relative humidity (per day relative humidity is greater than 86%), three factors of wind speed (less than 3m/s).On-line controller 20 is mainly with the transformation point of these three factors as judgement icing condition, logic determines goes out contact system and whether reaches the icing transformation point, and parameters such as the traction power supply bus current of comprehensive on-line controller 20 collection in real time and net pressure, control reactive source 17 and reactive source 18 actions realize reactive balance, the online anti-icing and ice-melt of contact system.
Above-mentioned anti is by reasonably control and operation, can realize online anti-icing, ice-melt, three kinds of functions of dynamic passive compensation.
The utility model reactive source 17 and reactive source 18 are perceptual reactive source or capacitive reactive power source.When reactive source 18 is perceptual reactive source, when reactive source 17 was the capacitive reactive power source, the anti controlled step was as follows.
(I) on-line controller 20 comprehensive meteorologic parameters, judgement need enter anti-icing pattern, and controlled step is as follows:
1), switch 2 closes a floodgate, the A of substation is communicated with contact system;
2), switch 3 closes a floodgate, reactive source 18 puts into operation, reactive source 18 be perceptual reactive source, contact system has electric current to pass through, this size of current satisfies makes the contact system heating, prevents freezing effect to reach; Because of reactive source 18 is perceptual reactive source, reduce the voltage of contact system during its work, have a strong impact on the quality of power supply;
3), switch 1 closes a floodgate, reactive source 17 puts into operation, reactive source 17 be the capacitive reactive power source, effectively promotes the voltage of contact system, the assurance contact system reactive balance and the quality of power supply make the normal operation of locomotive.
On-line controller 20 comprehensive meteorologic parameters are in that (suspend passing through of train in a bit of time, to circuit, equipment such as contact system overhaul etc., cry the skylight during this period of time, also are the skylight point for some unit during the skylight of inclement condition.) afterwards, judgement need enter ice-melt mode, the control that realizes the ice-melt of local area contact system is identical with the step of above-mentioned (I), difference is, on-line controller 20 needs control reactive source 18 and reactive source 17 to drop into more groups of equipment, to strengthen the electric current of contact system circulation, make the local area contact system produce bigger calorific effect, to reach the effect of ice-melt.
(II) on-line controller 20 comprehensive meteorologic parameters, during the skylight of inclement condition after, judgement need enter ice-melt mode, more the district realizes substation's B place contact system ice-melt, controlled step is as follows:
1), switch 2 separating brakes, contact system and the A of substation disconnect;
2), switch 4 and switch 5 close a floodgate, contact system is communicated with the B of substation;
3), switch 3 closes a floodgate, reactive source 18 puts into operation, reactive source 18 be perceptual reactive source, the traction power supply contact system has big electric current to pass through, this electric current satisfies the bigger calorific effect of contact system generation, to reach the effect of ice-melt.
(III) on-line controller 20 comprehensive meteorologic parameters, judgement need be withdrawed from anti-icing pattern, enters the control step of dynamic passive compensation:
1), switch 3 separating brakes, reactive source 18 disconnects with contact system;
2), switch 1 closes a floodgate, according to system's design-calculated configuration in advance, equipment component work in the reactive source 17 keeps the dynamic passive compensation part, and contact system is carried out reactive-load compensation.
The utility model reactive source 17 and reactive source 18 are used for anti-icing, ice-melt when icing appears in contact system; When not bearing anti-icing work, according to the electric power system actual needs, carry out dynamic passive compensation, improve the quality of power supply, improve the effective rate of utilization of equipment, realize the purpose of energy-conserving and environment-protective, energy-saving and emission-reduction.
Under the above-mentioned various state, the utility model can be realized contact system dynamic reactive balance by effectively controlling the correlation parameter of reactive source 17 and reactive source 18, improves the quality of power supply, sees formula 1.
∑ Q
Sense 18+ ∑ Q
T=∑ Q
Hold 17(1)
Wherein, ∑ Q
Sense 18For reactive source 18 produce perceptual idle; ∑ Q
Hold 17Be the capacitive reactive power that reactive source 17 produces, ∑ Q
TFor locomotive produce perceptual idle.
When reactive source 17 is perceptual reactive source, when reactive source 18 was the capacitive reactive power source, the anti controlled step was as follows.
(I) on-line controller 20 comprehensive meteorologic parameters, judgement need enter anti-icing pattern, and controlled step is as follows:
1), switch 2 closes a floodgate, the A of substation is communicated with contact system;
2), switch 1 closes a floodgate, reactive source 17 puts into operation, reactive source 17 be perceptual reactive source, the traction power supply contact system has electric current to pass through, this size of current satisfies makes the contact system heating, prevents freezing effect to reach; Because of reactive source 18 is perceptual reactive source, reduce the voltage of contact system during its work, have a strong impact on the quality of power supply;
3), switch 3 closes a floodgate, reactive source 18 puts into operation, reactive source 18 be the capacitive reactive power source, effectively promotes the voltage of contact system, guarantees the contact system reactive balance, and the normal operation of assurance locomotive.
Need explanation to be, also can put reactive source 18 into operation earlier in this place, reactive source 17 is put into operation again, can reach anti-freezing effect equally.
On-line controller 20 comprehensive meteorologic parameters, after during the skylight of inclement condition, judgement need enter ice-melt mode, the control that realizes the ice-melt of local area contact system is identical with the step of above-mentioned (I), difference is that on-line controller 20 needs control reactive source 18 and reactive source 17 to drop into more groups of equipment, to strengthen the electric current of contact system circulation, make the local area contact system produce bigger calorific effect, to reach the effect of ice-melt.
(II) on-line controller 20 comprehensive meteorologic parameters, during the skylight of inclement condition after, judgement need enter ice-melt mode, more the district realizes substation's B place contact system ice-melt, controlled step is as follows:
1), switch 2 separating brakes, contact system and the A of substation disconnect;
2), switch 4 and switch 5 close a floodgate, contact system is communicated with the B of substation;
3), switch 3 closes a floodgate, reactive source 18 puts into operation, reactive source 18 be the capacitive reactive power source, the traction power supply contact system has big electric current to pass through, this electric current satisfies the bigger calorific effect of contact system generation, to reach the effect of ice-melt.
(III) on-line controller 20 comprehensive meteorologic parameters, judgement need be withdrawed from anti-icing pattern, enters dynamic passive compensation pattern control step:
1), switch 3 separating brakes, reactive source 18 disconnects with contact system;
2), switch 1 closes a floodgate, according to anti design-calculated configuration in advance, equipment component work in the reactive source 17 keeps the dynamic passive compensation part, carries out the reactive-load compensation of contact system.
Under the above-mentioned various state, the utility model can be realized contact system dynamic reactive balance by effectively controlling the correlation parameter of reactive source 17 and reactive source 18, improves the quality of power supply, sees formula 2.
∑ Q
Sense 17+ ∑ Q
T=∑ Q
Hold 18(2)
Wherein, ∑ Q
Sense 17For reactive source 17 produce perceptual idle; ∑ Q
Hold 18Be the capacitive reactive power that reactive source 18 produces, ∑ Q
TFor locomotive produce perceptual idle.
Referring to Fig. 2, another embodiment of the online anti of the utility model rail traction contact net for power supplying is shown, comprise by switch 7 and be connected reactive source 22 on the A of the substation outlet line, be connected the reactive source 21 of contact system downlink and be connected the reactive source 23 of contact system uplink by switch 6 by switch 5; Uplink is connected with the A of substation, the B of substation respectively by switch 1, switch 15 respectively, and downlink is connected with the A of substation, the B of substation respectively by switch 2, switch 16 respectively, and uplink is connected with switch 9 by switch 8 respectively with downlink;
This anti also comprises weather monitoring device 19 and on-line controller 20, and the controllable function of weather monitoring device 19 and on-line controller 20 and annexation repeat no more with embodiment illustrated in fig. 1 identical.This anti is by reasonably control and operation, can realize online anti-icing, ice-melt, three kinds of functions of dynamic passive compensation.
(I) on-line controller 20 comprehensive meteorologic parameters, judgement need enter anti-icing pattern, and control substation A place uplink and downlink contact system enters anti-icing pattern control step:
1), switch 1 closes a floodgate switch 3 combined floodgates, reactive source 22 and the connection of uplink contact system;
2), switch 2 closes a floodgate switch 4 combined floodgates, reactive source 22 and the connection of downlink contact system;
3), switch 6 closes a floodgate, switch 5 closes a floodgate, reactive source 23 is communicated with the uplink contact system, reactive source 23 be perceptual reactive source, the uplink contact system has electric current to pass through, this electric current is satisfied to be generated heat up contact system and plays and prevent freezing effect; Reactive source 21 is communicated with descending contact system, and reactive source 21 is perceptual reactive source, and descending contact system has electric current to pass through, and this electric current satisfies makes descending contact system heating play anti-freezing effect; Reduce the voltage of contact system when its reactive source 21 and reactive source 23 work, have a strong impact on the quality of power supply;
4), switch 7 closes a floodgate, reactive source 22 puts into operation, reactive source 22 is the capacitive reactive power source, effectively promotes the voltage of uplink and downlink contact system, guarantees the contact system reactive balance and the quality of power supply, makes the normal operation of locomotive.
(II) on-line controller 20 comprehensive meteorologic parameters, during the skylight of inclement condition after, judgement need enter ice-melt mode, control substation A place up contact system ice-melt mode step:
1), switch 5 separating brakes, switch 6 separating brakes, switch 7 separating brakes, reactive source 21, reactive source 22 and reactive source 23 disconnect with contact system respectively;
2), switch 4 separating brakes, switch 8 closes a floodgate, downlink contact system bonded assembly perception reactive source is connected with the uplink contact system;
3), switch 5 closes a floodgate switch 6 combined floodgates, switch 7 combined floodgates, reactive source 21, reactive source 22 and reactive source 23 are communicated with the place contact system respectively, and control up contact system and have big electric current to pass through, make up contact system produce bigger calorific effect, to reach the effect of ice-melt.
(III) on-line controller 20 comprehensive meteorologic parameters, during the skylight of inclement condition after, judgement need enter ice-melt mode, control substation A place descending contact system ice-melt mode step:
1), switch 5 separating brakes, switch 6 separating brakes, switch 7 separating brakes, reactive source 21, reactive source 22 and reactive source 23 disconnect with contact system respectively;
2), switch 3 separating brakes, switch 4 closes a floodgate, switch 8 closes a floodgate, the perceptual reactive source of uplink contact system is connected with the downlink contact system;
3), switch 5 closes a floodgate switch 6 combined floodgates, switch 7 combined floodgates, reactive source 21, reactive source 22 and reactive source 23 are communicated with the place contact system respectively, and control descending contact system and have big electric current to pass through, make descending contact system produce bigger calorific effect, to reach the effect of ice-melt.
(IV) on-line controller 20 comprehensive meteorologic parameters, during the skylight of inclement condition after, judgement need enter ice-melt mode, more the district realizes uplink contact system ice-melt mode step:
1), switch 5 separating brakes, switch 6 separating brakes, switch 7 separating brakes, reactive source 21, reactive source 22 and reactive source 23 disconnect with contact system respectively;
2), switch 3 separating brakes, switch 4 separating brakes, switch 8 separating brakes, upper and lower line contact system and the A of substation disconnect;
3), switch 10 closes a floodgate switch 11 combined floodgates, uplink contact system and the B of substation connection;
4), switch 12 closes a floodgate switch 13 separating brakes, downlink contact system and the B of substation disconnection;
5), switch 9 closes a floodgate, the perceptual reactive source of downlink contact system is connected with the uplink contact system;
6), switch 5 closes a floodgate, switch 6 closes a floodgate, reactive source 21 and reactive source 23 are communicated with the place contact system respectively, control uplink contact system has big electric current to pass through, this electric current satisfies the bigger calorific effect of uplink contact system generation, to reach the effect of ice-melt.
Ice-melt mode needs big electric current and passes through contact system, this electric current is about 2 times of the required electric current of anti-icing pattern, the utility model closes a floodgate and separating brake by reasonable master cock, allow reactive source 21 and reactive source 23 for being the service of uplink contact system simultaneously, reactive source 21 and reactive source 23 can be shared this big electric current like this, reduce the required electric current of bearing of single reactive source, so reactive source 21 and reactive source 23 inner structures and section post are arranged and are simplified, and effectively reduce equipment cost.
In like manner as can be known, the utility model also can be got over the ice-melt that the district realizes the downlink contact system separately by reasonably controlling the separating brake and the combined floodgate of each switch.
(IV) on-line controller 20 comprehensive meteorologic parameters, judgement need be withdrawed from anti-icing pattern, enters dynamic passive compensation pattern control step:
1), switch 5 separating brakes, switch 6 separating brakes, reactive source 21 and reactive source 23 disconnect with contact system respectively;
2), switch 7 closes a floodgate, according to system's design-calculated configuration in advance, equipment component work in the reactive source 22 keeps the dynamic passive compensation part, carries out the reactive-load compensation of contact system.
In like manner as can be known, be the capacitive reactive power source at reactive source 21 and reactive source 23, when reactive source 22 was perceptual reactive source, by the separating brake and the combined floodgate of reasonable each switch of control, the utility model also can be realized online anti-icing, ice-melt, three kinds of functions of dynamic passive compensation.
The utility model perception reactive source can be TCR (Thyristor Controlled Reactor thyristor-controlled reactor) (see figure 3), SVG (Static Var Generator static reacance generator) (see figure 4), MCR (Magnetically Controlled Reactor magnet controlled reactor) (see figure 5), TSR (Thyristor Switched Reactor thuristor throw-in and throw-off reactor) (see figure 6), MSR (Mechanically Switched Reactor machinery switching reactor) (see figure 7).
The capacitive reactive power source can be FC (compensation of Fixed Capcitor fixed capacity) (see figure 8), TSC (Thyristor Switched Capcitor thyristor control capacitor) (see figure 9), SVG (Static Var Generator static reacance generator) (see figure 10), and the installed capacity of perceptual reactive source can be set according to the anti-icing required current value of contact system and (two conductors or three conductors) contact wire.
The utility model is provided with respectively at novel electrification railway contact net first and last end and is perceptual reactive source and is the capacitive reactive power source, or be the capacitive reactive power source and be perceptual reactive source, utilize perceptual inactivity to make the contact system galvanization, produce calorific effect, realize anti-icing, ice-melt, utilize the capacitive reactive power source that contact system is carried out reactive balance, this method not only is adapted to two conductors and three types of conductors contact systems and can extensively be adapted to single (answering) line contact system.
When the utility model icing occurs at contact system, enter anti-icing pattern, anti-contact wire icing is also taken into account no-power compensation function, and system loss is little; After during the contact system skylight, enter ice-melt mode, can realize local area and transregional ice-melt.When weather is good, enter the dynamic passive compensation pattern, can carry out dynamic passive compensation according to condition of loading, improve the quality of power supply of railway power supply system, reach the effect of energy-saving and emission-reduction.
The above only is a preferred implementation of the present utility model, does not constitute the qualification to the utility model protection domain.Any any modification 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 claim protection domain of the present utility model.
Claims (5)
1. the online anti of rail traction contact net for power supplying is characterized in that, the head end of contact system and end are provided with perceptual reactive source and capacitive reactive power source respectively, or capacitive reactive power source and perceptual reactive source are set respectively;
Described perceptual reactive source is used to make contact system galvanization and heating, realizes anti-icing or ice-melt;
Described capacitive reactive power source is used for the contact system reactive-load compensation, realizes contact system dynamic reactive balance.
2. the system as claimed in claim 1 is characterized in that, this system also comprises weather monitoring device and on-line controller:
Described weather monitoring device is used to monitor meteorologic parameter, sends meteorologic parameter to on-line controller;
Described on-line controller, be used for according to meteorologic parameter judge that needs are anti-icing, ice-melt or dynamic passive compensation, move in relevant perceptual reactive source of control and capacitive reactive power source.
3. the system as claimed in claim 1 is characterized in that, single line or multiple line contact system comprise uplink contact system and downlink contact system, and the uplink contact system all is connected a perceptual reactive source or capacitive reactive power source with downlink contact system end.
4. as claim 1,2 or 3 described systems, it is characterized in that the weather monitoring device comprises air velocity transducer, temperature sensor, reaches humidity sensor:
Described air velocity transducer is used to obtain the wind speed parameter;
Described temperature sensor is used to obtain temperature parameter;
Described humidity sensor is used to obtain humidity parameter.
5. as claim 1,2 or 3 described systems, it is characterized in that perceptual reactive source is TCR, SVG, MCR, TSR or MSR; The capacitive reactive power source is FC, TSC or SVG.
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| CN2011200337568U CN201961173U (en) | 2011-01-31 | 2011-01-31 | Online anti-icing system of rail traction power supply contact net |
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| CN2011200337568U CN201961173U (en) | 2011-01-31 | 2011-01-31 | Online anti-icing system of rail traction power supply contact net |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431468A (en) * | 2011-10-25 | 2012-05-02 | 成都交大许继电气有限责任公司 | Icing preventing and ice melting method for high speed railway and system for realizing method |
| CN102616152A (en) * | 2011-01-31 | 2012-08-01 | 株洲变流技术国家工程研究中心有限公司 | Online anti-icing system and method of rail traction power supply contact net |
| CN102638019A (en) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | Direct-current catenary de-icing method of high-speed electrified railway |
| CN102832582A (en) * | 2012-09-12 | 2012-12-19 | 西南交通大学 | Online anti-icing and de-icing control system of alternating current electrified railway catenary |
-
2011
- 2011-01-31 CN CN2011200337568U patent/CN201961173U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616152A (en) * | 2011-01-31 | 2012-08-01 | 株洲变流技术国家工程研究中心有限公司 | Online anti-icing system and method of rail traction power supply contact net |
| CN102616152B (en) * | 2011-01-31 | 2014-02-05 | 株洲变流技术国家工程研究中心有限公司 | Online anti-icing system and method of rail traction power supply contact net |
| CN102431468A (en) * | 2011-10-25 | 2012-05-02 | 成都交大许继电气有限责任公司 | Icing preventing and ice melting method for high speed railway and system for realizing method |
| CN102431468B (en) * | 2011-10-25 | 2014-09-17 | 成都交大许继电气有限责任公司 | Icing preventing and ice melting method for high speed railway and system for realizing method |
| CN102638019A (en) * | 2012-04-09 | 2012-08-15 | 株洲变流技术国家工程研究中心有限公司 | Direct-current catenary de-icing method of high-speed electrified railway |
| CN102638019B (en) * | 2012-04-09 | 2015-02-25 | 株洲变流技术国家工程研究中心有限公司 | Direct-current catenary de-icing method of high-speed electrified railway |
| CN102832582A (en) * | 2012-09-12 | 2012-12-19 | 西南交通大学 | Online anti-icing and de-icing control system of alternating current electrified railway catenary |
| CN102832582B (en) * | 2012-09-12 | 2015-03-25 | 西南交通大学 | Online anti-icing and de-icing control system of alternating current electrified railway catenary |
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