CN204145012U - The complete charging device in a kind of ground for super capacitor energy-storage type tramcar - Google Patents
The complete charging device in a kind of ground for super capacitor energy-storage type tramcar Download PDFInfo
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- CN204145012U CN204145012U CN201420589442.XU CN201420589442U CN204145012U CN 204145012 U CN204145012 U CN 204145012U CN 201420589442 U CN201420589442 U CN 201420589442U CN 204145012 U CN204145012 U CN 204145012U
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Abstract
The utility model discloses the complete charging device in a kind of ground for super capacitor energy-storage type tramcar, comprise circuit breaker Q F and at least two the quick charge unit (1) be connected in parallel, quick charge unit (1) comprises the direct-current isolating switch unit (11) be connected successively, converter cell (12) and the online Disconnecting switch unit (13) for providing charge power supply to export for super capacitor energy-storage type tramcar, the electrode input end of direct-current isolating switch unit (11) is connected with the positive electrode bus of city rail Traction networks by circuit breaker Q F, the negative input of direct-current isolating switch unit (11) is connected with the negative electrode bus of city rail Traction networks.The utility model can utilize existing 1500V or 750V direct current city rail Traction networks, meet that super capacitor energy-storage type tramcar is safe, quick, high-power, the operation demand of large current charge, structure is simpler, avoids overlapping construction, implementation cost is low, and management difficulty is little.
Description
Technical field
The utility model relates to the charging device of super capacitor energy-storage type tramcar, is specifically related to the complete charging device in a kind of ground for super capacitor energy-storage type tramcar.
Background technology
Along with the continuous propelling of Urbanization in China, city size is expanded rapidly, and urban traffic blocking becomes the outstanding problem of restriction urban development.Track traffic due to possess energy consumption low, pollute the various features such as little, the moment is accurate, speed is fast, become and solved urban traffic congestion the most effective mode.Compared with traditional tramcar, adopt super capacitor as the super capacitor energy-storage type tramcar of energy-storage travelling wave tube, can contactless network operation, utilize that super capacitor power density is high, the charge and discharge time short (being no more than 30s), the life-span long (1,000,000 times or 10 years) feature, by electric energy immediate access in large power energy storage element, as the power source that vehicle normally draws; During car brakeing, super capacitor can be used as the device of energy regenerating, and capacity usage ratio is high, is a kind of innovation supply power mode for city rail vehicle.But because super capacitor energy density is far below storage battery, once charge the finite energy that can store, vehicle operating, apart from short, is generally about 2km, therefore needs at each station setting quick charge device, adopt vehicle arrive at a station charging mode, for vehicle provides electric power.Super capacitor energy-storage type tramcar adopts station stopping for charging, section operation adopts vehicle-mounted super capacitor energy-storage to draw, at the complete DC charging device of each station setting, require that each vehicle pull-in charging interval is not more than 30 seconds, in charging process, the trickle charge electric current of car load is 1500A ~ 2400A, the excursion of output voltage is DC400V ~ 900V, also needs the charging curve mating super capacitor in addition.
A kind of DC charging device of quick charge device for super capacitor energy-storage type tramcar, input both can be that to exchange also can be direct current, at present for quick charge device many employings High-voltage AC Network power supply plan of super capacitor energy-storage type tramcar.As shown in Figure 1, quick charge device comprises rectifier transformer, AC/DC translation circuit and DC/DC translation circuit, the alternating voltage inputted from High-voltage AC Network is depressurized to suitable electric pressure by rectifier transformer, then obtain suitable direct voltage through AC/DC translation circuit, eventually pass the charging current needed for the output of DC/DC translation circuit or charge power.
But present stage, Rail Transit System is built up in existing urban, existing 1500V or 750V DC Traction Network in Rail Transit System.Energy storage type tramcar supplementing as City Rail Transit System, charging device, according to High-voltage AC Network power supply plan, construction repeats to some extent with urban track traffic DC Traction Network construction parts.Repeated construction part functionally has repetition on the one hand, makes system configuration become complicated, also can increase construction cost on the other hand, strengthen operation management difficulty.Based on above-mentioned consideration, in the city of existing City Rail Transit System, when building energy storage type tramcar charging device, existing DC Traction Network can be utilized completely as the input of charging device, compare High-voltage AC Network to power, on the basis meeting energy storage type tramcar charging requirement, can make whole electric power system structure simpler, avoid overlapping construction, reduce costs, reduce management difficulty.Therefore, how to use existing city rail Traction networks 1500V or 750V direct current as the input of charging device to operation demand that is safe, quick, high-power after meeting super capacitor energy-storage type tramcar and arriving at a station, large current charge, become a key technical problem urgently to be resolved hurrily.
Utility model content
The technical problems to be solved in the utility model is: for the above-mentioned technical problem of prior art, there is provided one can utilize existing 1500V or 750V direct current city rail Traction networks, meet that super capacitor energy-storage type tramcar is safe, quick, high-power, the operation demand of large current charge, structure be simpler, avoid overlapping construction, implementation cost is low, management difficulty the is little complete charging device in the ground for super capacitor energy-storage type tramcar.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
The complete charging device in a kind of ground for super capacitor energy-storage type tramcar, comprise circuit breaker Q F and at least two the quick charge unit be connected in parallel, described quick charge unit comprises the direct-current isolating switch unit be connected successively, converter cell and the online Disconnecting switch unit for providing charge power supply to export for super capacitor energy-storage type tramcar, the electrode input end of described direct-current isolating switch unit is connected with the positive electrode bus of city rail Traction networks by circuit breaker Q F, the negative input of described direct-current isolating switch unit is connected with the negative electrode bus of city rail Traction networks.
Preferably, described converter cell is the staggered Buck converter in parallel of N, wherein N be more than or equal to 2 integer.
Preferably, the staggered Buck converter in parallel of described N comprises Support Capacitor Cd and N number of IGBT series arm, described N number of IGBT series arm and Support Capacitor Cd be connected in parallel respectively be arranged in converter cell electrode input end, between negative input, described IGBT series arm is composed in series by two IGBT switching devices, the cathode output end of described converter cell is connected with the position between two IGBT switching devices in each IGBT series arm respectively, and the negative input of described converter cell is directly communicated with cathode output end.
Preferably, the output of the staggered Buck converter in parallel of described N is also connected with N number of inductance, described inductance and IGBT series arm one_to_one corresponding, any described inductance is connected in series between the cathode output end of position between two IGBT switching devices in corresponding IGBT series arm, converter cell.
Preferably, the output of described converter cell is provided with isolation contactor; Be parallel with fixing discharge resistance branch road between the electrode input end of described converter cell, negative input, described fixing discharge resistance props up route resistance or plural resistant series composition.
Preferably, described direct-current isolating switch unit comprises contactor KM1, contactor KM2, resistance R1, resistance R2, diode VD1 and filter reactor L1, the electrode input end of described converter cell is successively by filter reactor L1, contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks, described contactor KM1, both resistance R1 are connected in parallel in the two ends of contactor KM2 after being connected in series the charging buffer loop forming Support Capacitor Cd, the discharge loop of described diode VD1 and resistance R2 filter reactor L1 in series, the positive pole of described diode VD1 is connected with the negative electrode bus of city rail Traction networks by resistance R2, the negative pole of described diode VD1 is successively by contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks.
Preferably, described online Disconnecting switch unit comprises contactor KM5 and isolating switch QC1, described isolating switch QC1 arranged in series is between the input and output of online Disconnecting switch unit, and described contactor KM5 arranged in series is between the electrode input end and isolating switch QC1 of online Disconnecting switch unit.
Preferably, described online Disconnecting switch unit also comprises discharge resistance RD1, and described discharge resistance RD1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit.
Preferably, described online Disconnecting switch unit also comprises lightning arrester F1, and described lightning arrester F1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit.
Preferably, the complete charging device in described ground also comprises direct-current switch cabinet, direct current isolating switch cabinet, converter cabinet and online isolating switch cabinet, described circuit breaker Q F is located in described direct-current switch cabinet, the direct-current isolating switch unit of all quick charge unit is located in described direct current isolating switch cabinet, the converter cell of all quick charge unit is located in described converter cabinet, and the online Disconnecting switch unit of all quick charge unit is located in described online isolating switch cabinet.
The complete charging device in ground that the utility model is used for super capacitor energy-storage type tramcar has following advantage:
1, the utility model comprises circuit breaker and at least two quick charge unit be connected in parallel, quick charge unit comprises the direct-current isolating switch unit be connected successively, converter cell and the online Disconnecting switch unit for providing charge power supply to export for super capacitor energy-storage type tramcar, the electrode input end of direct-current isolating switch unit is connected by the positive electrode bus of circuit breaker with city rail Traction networks, the negative input of direct-current isolating switch unit is connected with the negative electrode bus of city rail Traction networks, use existing city rail Traction networks 1500V or 750V direct current as the input of charging device, satisfactory direct current is exported through DC/DC conversion, to meet after super capacitor energy-storage type tramcar arrives at a station, safety, fast, high-power, the operation demand of large current charge, whole electric power system structure can be made simpler, avoid overlapping construction, reduce costs, reduce operation management difficulty.
2, the utility model comprises circuit breaker and at least two quick charge unit be connected in parallel, and can be respectively used to the super capacitor energy-storage type tramcar charging of uplink and downlink on the one hand, can increase charging reliability of the present utility model on the other hand.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of prior art quick charge device.
Fig. 2 is the utility model embodiment is the principle schematic that super capacitor energy-storage type tramcar charges.
Fig. 3 is the frame structure schematic diagram of the utility model embodiment.
Fig. 4 is the circuit principle structure schematic diagram of the utility model embodiment.
Marginal data: 1, quick charge unit; 11, direct-current isolating switch unit; 12, converter cell; 13, online Disconnecting switch unit.
Embodiment
As shown in Figures 2 and 3, the present embodiment is used for the complete charging device in ground of super capacitor energy-storage type tramcar and comprises the quick charge unit 1 that circuit breaker Q F and two is connected in parallel, quick charge unit 1 comprises the direct-current isolating switch unit 11 be connected successively, converter cell 12 and the online Disconnecting switch unit 13 for providing charge power supply to export for super capacitor energy-storage type tramcar, the electrode input end of direct-current isolating switch unit 11 is connected with the positive electrode bus of city rail Traction networks by circuit breaker Q F, the negative input of direct-current isolating switch unit 11 is connected with the negative electrode bus of city rail Traction networks.
In the present embodiment, in direct-current switch cabinet, when quick charge unit 1 normally works, the DC bus of quick charge unit 1 with 1500V or 750V city rail Traction networks is connected by circuit breaker Q F; When quick charge unit 1 fault, circuit breaker Q F plays again the effect isolated with the DC bus of 1500V or 750V city rail Traction networks by quick charge unit 1, and fail safe is good.It should be noted that, the present embodiment adopts the quick charge unit 1 of two parallel runnings, converter cell 12 completes DC converting function, and charge according to the tramcar of charging strategy to super capacitor energy-storage, charging device and super capacitor are kept apart by online Disconnecting switch unit 13, and complete the function of uplink and downlink time-sharing charging, the output of the two-way online Disconnecting switch unit 13 of two quick charge unit 1 connects the charging bus of up vehicle and descending vehicle respectively, realizes the function to the up and descending vehicle time-sharing charging of arriving at a station.In addition, also more quick charge unit 1 can be adopted as required to realize charging to the super capacitor energy-storage type tramcar of varying number, certainly adopt more quick charge unit 1 can meet the charge requirement of single-row vehicle better, the demand of Vehicular charging power can be met on the one hand, the reliability of the present embodiment device can be increased on the other hand.The present embodiment, when providing DC400V ~ 900V charge power supply to export for super capacitor energy-storage type tramcar, specifically can adopt constant current, invariable power or specific charging curve to come for the charging of super capacitor energy-storage type tramcar as required.Being different from prior art adopts High Level AC Voltage as input, the present embodiment had both been applicable to the direct current 1500V electric power system of city rail Traction networks, be applicable to again the direct current 750V electric power system of city rail Traction networks, adopt DC/DC conversion technology, export direct current 400V ~ 900V, export maximum current and can reach 2400A, and time-sharing charging can be carried out according to the super capacitor energy-storage type tramcar of charging strategy needed for super capacitor to uplink and downlink.
As shown in Figure 4, the complete charging device in ground of the present embodiment also comprises direct-current switch cabinet, direct current isolating switch cabinet, converter cabinet and online isolating switch cabinet, circuit breaker Q F is located in direct-current switch cabinet, the direct-current isolating switch unit 11 of all quick charge unit 1 is located in direct current isolating switch cabinet, the converter cell 12 of all quick charge unit 1 is located in converter cabinet, and the online Disconnecting switch unit 13 of all quick charge unit 1 is located in online isolating switch cabinet.
As shown in Figure 4, direct-current isolating switch unit 11 comprises contactor KM1, contactor KM2, resistance R1, resistance R2, diode VD1 and filter reactor L1, the electrode input end of converter cell 12 is successively by filter reactor L1, contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks, contactor KM1, both resistance R1 are connected in series and form the Support Capacitor Cd(detailed circuit structure see following converter cell 12) charging buffer circuit after be connected in parallel in the two ends of contactor KM2, the discharge loop of diode VD1 and resistance R2 filter reactor L1 in series, the positive pole of diode VD1 is connected with the negative electrode bus of city rail Traction networks by resistance R2, the negative pole of diode VD1 is successively by contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks.Contactor KM1, both resistance R1 charge circuit in series charge to the Support Capacitor Cd in converter cabinet, play charging cushioning effect, to protect Support Capacitor Cd, and closed short circuit contactor KM2 after charging complete; Filter reactor L1 is for realizing the filtering isolation between city rail Traction networks and quick charge unit 1; Diode VD1, resistance R2 then form the discharge loop of filter reactor L1.
In the present embodiment, converter cell 12 is the staggered Buck converter in parallel of N, wherein N be more than or equal to 2 integer, output current ripple can be reduced by the staggered Buck converter in parallel of N, increase ripple frequency, improve conversion efficiency, rechargeable electrical energy quality can be improved, extend the useful life of super capacitor Cd.
As shown in Figure 4, the staggered Buck converter in parallel of N comprises Support Capacitor Cd and N number of IGBT series arm, N number of IGBT series arm and Support Capacitor Cd be connected in parallel respectively be arranged in converter cell 12 electrode input end, between negative input, IGBT series arm is composed in series by two IGBT switching devices, the cathode output end of converter cell 12 is connected with the position between two IGBT switching devices in each IGBT series arm respectively, and the negative input of converter cell 12 is directly communicated with cathode output end.
As shown in Figure 4, the output of the staggered Buck converter in parallel of N is also connected with N number of inductance, inductance and IGBT series arm one_to_one corresponding, any inductance is connected in series between the cathode output end of position between two IGBT switching devices in corresponding IGBT series arm, converter cell 12.For the staggered Buck converter in parallel (converter cell 12) of the N of upside, the output of the staggered Buck converter in parallel of N be also connected with N number of inductance (L11, L12 ..., L1N); For the staggered Buck converter in parallel (converter cell 12) of the N of downside, the output of the staggered Buck converter in parallel of N be also connected with N number of inductance (L21, L22 ..., L2N).
As shown in Figure 4, the output of converter cell 12 is provided with isolation contactor, and can realize the isolation in converter cabinet between each converter cell 12 by isolation contactor, inspection and maintenance is more convenient; Be parallel with fixing discharge resistance branch road between the electrode input end of converter cell 12, negative input, by fixing discharge resistance branch road, the voltage of Support Capacitor Cd can be put to safe voltage (36V) below, fail safe is good; Fixing discharge resistance branch road can adopt a resistance or plural resistant series composition as required, for the converter cell 12 of upside, the fixing discharge resistance of this converter cell 12 props up routing resistance R3 and resistance R4 is composed in series, and the output of converter cell 12 is provided with isolation contactor KM3; For the converter cell 12 of downside, the fixing discharge resistance of this converter cell 12 props up routing resistance R5 and resistance R6 is composed in series, and the output of converter cell 12 is provided with isolation contactor KM4.
As shown in Figure 4, online Disconnecting switch unit 13 comprises contactor KM5 and isolating switch QC1, isolating switch QC1 arranged in series is between the input and output of online Disconnecting switch unit 13, and contactor KM5 arranged in series is between the electrode input end and isolating switch QC1 of online Disconnecting switch unit 13; Isolation when contactor KM5 and isolating switch QC1 is mainly used in realizing the present embodiment device connection charging net (i.e. " online "), charge fault between the present embodiment device and super capacitor energy-storage type tramcar, and the time-sharing charging switching control function of uplink and downlink.
As shown in Figure 4, online Disconnecting switch unit 13 also comprises discharge resistance RD1, and discharge resistance RD1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit 13; Discharge resistance RD1 is used for after super capacitor energy-storage type tramcar stoppings leaving from station charging, and by releasing of the online remaining capacity of charging, net of guaranteeing to charge, can the safety of effective guarantee passenger and staff without during Vehicular charging being electroless state; Online Disconnecting switch unit 13 also comprises lightning arrester F1, and lightning arrester F1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit 13, and lightning arrester F1 effectively can reduce the harm of thunderbolt to the present embodiment device.
In sum, the present embodiment adopts the DC/DC conversion technology of double power supply unit parallel running, be applicable to existing 1500V or 750V direct current city rail Traction networks, can meet after super capacitor energy-storage type tramcar arrives at a station, the operation demand of safety, fast (< 30s), high-power, large current charge; And the present embodiment adopts city rail Traction networks direct current as input, adopt high-voltage alternating to input compared with charging device with prior art, the structure of charging device can be simplified, avoid overlapping construction, reduce costs, reduce operation management difficulty; The charge function of the complete charging device in ground of the present embodiment has versatility, when the characteristic of energy storage device changes, just can meet the charge requirement of energy storage device by means of only the controling parameters and charging strategy that adjust charging device; The running status of the complete charging device in ground of the present embodiment can be monitored, after vehicle enters charged area, the complete charging device in ground of the present embodiment just starts charging, Vehicular charging is complete, the complete charging device in ground of the present embodiment stops charging automatically, whole charging process is intervened without the need to personnel, and station can realize unattended operation; And the complete charging device in the ground of the present embodiment is without during Vehicular charging being electroless state, can the safety of effective guarantee passenger and staff.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. the complete charging device in the ground for super capacitor energy-storage type tramcar, it is characterized in that: comprise circuit breaker Q F and at least two the quick charge unit (1) be connected in parallel, described quick charge unit (1) comprises the direct-current isolating switch unit (11) be connected successively, converter cell (12) and the online Disconnecting switch unit (13) for providing charge power supply to export for super capacitor energy-storage type tramcar, the electrode input end of described direct-current isolating switch unit (11) is connected with the positive electrode bus of city rail Traction networks by circuit breaker Q F, the negative input of described direct-current isolating switch unit (11) is connected with the negative electrode bus of city rail Traction networks.
2. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 1, is characterized in that: described converter cell (12) is the staggered Buck converter in parallel of N, wherein N be more than or equal to 2 integer.
3. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 2, it is characterized in that: the staggered Buck converter in parallel of described N comprises Support Capacitor Cd and N number of IGBT series arm, described N number of IGBT series arm and Support Capacitor Cd are connected in parallel the electrode input end being arranged in converter cell (12) respectively, between negative input, described IGBT series arm is composed in series by two IGBT switching devices, the cathode output end of described converter cell (12) is connected with the position between two IGBT switching devices in each IGBT series arm respectively, the negative input of described converter cell (12) is directly communicated with cathode output end.
4. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 3, it is characterized in that: the output of the staggered Buck converter in parallel of described N is also connected with N number of inductance, described inductance and IGBT series arm one_to_one corresponding, any described inductance is connected in series between the cathode output end of position between two IGBT switching devices in corresponding IGBT series arm, converter cell (12).
5. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 4, is characterized in that: the output of described converter cell (12) is provided with isolation contactor; Be parallel with fixing discharge resistance branch road between the electrode input end of described converter cell (12), negative input, described fixing discharge resistance props up route resistance or plural resistant series composition.
6. according to the complete charging device in the ground for super capacitor energy-storage type tramcar in Claims 1 to 5 described in any one, it is characterized in that: described direct-current isolating switch unit (11) comprises contactor KM1, contactor KM2, resistance R1, resistance R2, diode VD1 and filter reactor L1, the electrode input end of described converter cell (12) is successively by filter reactor L1, contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks, described contactor KM1, both resistance R1 are connected in parallel in the two ends of contactor KM2 after being connected in series the charging buffer loop forming Support Capacitor Cd, the discharge loop of described diode VD1 and resistance R2 filter reactor L1 in series, the positive pole of described diode VD1 is connected with the negative electrode bus of city rail Traction networks by resistance R2, the negative pole of described diode VD1 is successively by contactor KM2, circuit breaker Q F is connected with the positive electrode bus of city rail Traction networks.
7. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 6, it is characterized in that: described online Disconnecting switch unit (13) comprises contactor KM5 and isolating switch QC1, described isolating switch QC1 arranged in series is between the input and output of online Disconnecting switch unit (13), and described contactor KM5 arranged in series is between the electrode input end and isolating switch QC1 of online Disconnecting switch unit (13).
8. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 7, it is characterized in that: described online Disconnecting switch unit (13) also comprises discharge resistance RD1, described discharge resistance RD1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit (13).
9. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 8, it is characterized in that: described online Disconnecting switch unit (13) also comprises lightning arrester F1, described lightning arrester F1 is arranged in parallel between the cathode output end, cathode output end of online Disconnecting switch unit (13).
10. the complete charging device in the ground for super capacitor energy-storage type tramcar according to claim 9, it is characterized in that: the complete charging device in described ground also comprises direct-current switch cabinet, direct current isolating switch cabinet, converter cabinet and online isolating switch cabinet, described circuit breaker Q F is located in described direct-current switch cabinet, the direct-current isolating switch unit (11) of all quick charge unit (1) is located in described direct current isolating switch cabinet, the converter cell (12) of all quick charge unit (1) is located in described converter cabinet, the online Disconnecting switch unit (13) of all quick charge unit (1) is located in described online isolating switch cabinet.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319832A (en) * | 2014-10-13 | 2015-01-28 | 株洲时代装备技术有限责任公司 | Ground complete charging device for super-capacitor energy storage type tramcar |
| CN105425071A (en) * | 2015-11-27 | 2016-03-23 | 株洲时代装备技术有限责任公司 | Testing platform of super-capacitance energy storage apparatus and testing method thereof |
| CN105449795A (en) * | 2016-01-11 | 2016-03-30 | 中车青岛四方车辆研究所有限公司 | Tramcar ground charging power supply system and charging control method |
| CN109050544A (en) * | 2018-09-27 | 2018-12-21 | 中车戚墅堰机车有限公司 | A kind of tramcar pure lithium battery driving trailer system |
| US11749846B2 (en) | 2018-05-30 | 2023-09-05 | Milwaukee Electric Tool Corporation | Fast-charging battery pack |
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2014
- 2014-10-13 CN CN201420589442.XU patent/CN204145012U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319832A (en) * | 2014-10-13 | 2015-01-28 | 株洲时代装备技术有限责任公司 | Ground complete charging device for super-capacitor energy storage type tramcar |
| CN105425071A (en) * | 2015-11-27 | 2016-03-23 | 株洲时代装备技术有限责任公司 | Testing platform of super-capacitance energy storage apparatus and testing method thereof |
| CN105449795A (en) * | 2016-01-11 | 2016-03-30 | 中车青岛四方车辆研究所有限公司 | Tramcar ground charging power supply system and charging control method |
| CN105449795B (en) * | 2016-01-11 | 2018-01-19 | 中车青岛四方车辆研究所有限公司 | Tramcar ground charge power supply system and charge control method |
| US11749846B2 (en) | 2018-05-30 | 2023-09-05 | Milwaukee Electric Tool Corporation | Fast-charging battery pack |
| US11894528B2 (en) | 2018-05-30 | 2024-02-06 | Milwaukee Electric Tool Corporation | Fast-charging battery pack |
| CN109050544A (en) * | 2018-09-27 | 2018-12-21 | 中车戚墅堰机车有限公司 | A kind of tramcar pure lithium battery driving trailer system |
| CN109050544B (en) * | 2018-09-27 | 2023-09-01 | 中车戚墅堰机车有限公司 | Pure lithium battery driven traction system for rail electric vehicle |
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