CN205395787U - City rail train auxiliary power supply system - Google Patents
City rail train auxiliary power supply system Download PDFInfo
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- CN205395787U CN205395787U CN201620154307.1U CN201620154307U CN205395787U CN 205395787 U CN205395787 U CN 205395787U CN 201620154307 U CN201620154307 U CN 201620154307U CN 205395787 U CN205395787 U CN 205395787U
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Abstract
The utility model discloses a city rail train auxiliary power supply system, including two supplementary power supply unit (1), supplementary power supply unit (1) is including two power supply generating lines (2) and two at least supplementary power supply (3), power supply generating line (2) is connected with one supplementary power supply (3) at least, ordinary AC load (4) of city rail train only are connected with a power supply generating line (2), crucial AC load (5) of city rail train are connected with two power supply generating lines (2) simultaneously. The utility model provides an under the power supply mode that is incorporated into the power networks at present, the generating line short circuit brings the paralytic problem of train, has the power supply mode that can switch city rail train in a flexible way, has crossfeed, extension power supply concurrently and is incorporated into the power networks the advantage of power supply.
Description
Technical field
This utility model relates to a kind of auxiliary power supply system on the municipal rail train such as subway, light rail.
Background technology
At present, the auxiliary power supply system of the municipal rail train such as China's subway, light rail mainly has crossfeed, extension power supply and three kinds of powering modes of grid-connected power supply.As it is shown in figure 1, crossfeed pattern, the full car of municipal rail train arranges two groups of power supply buses, and full car load is divided into two parts as required, is connected with two groups of power supply buses respectively, two auxiliary electric power supply equipment respectively two groups of power supply buses power.As shown in Figure 2, extension powering mode, the full car of municipal rail train arranges one group of power supply buses, this power supply buses is divided into two unit, load is all connected with power supply buses, and two auxiliary electric power supplies are respectively in unit the power supply buses of (half car) and power, when an auxiliary electric power supply breaks down, by extending, another auxiliary electric power supply it is full car load supplying.As it is shown on figure 3, grid-connected powering mode, municipal rail train only arranges one group of power supply buses, and multiple stage auxiliary electric power supply is all connected with this power supply buses, and load is all connected with this power supply buses, and multiple stage auxiliary electric power supply is full car load supplying by power supply buses simultaneously.Grid-connected powering mode starts by railcar secondary power system wide popularization and application in recent years because of advantages such as its power supply redundancy degree height, advanced technology.But because the auxiliary electric power supply of permutation car is exported whole through power supplies by it, such as power supply buses short circuit, then all auxiliary electric power supplies are all protected, and there is the risk of municipal rail train paralysis.
Utility model content
The technical problems to be solved in the utility model is that for the technical problem that prior art exists; this utility model provides a kind of reliability height, reduction to cause municipal rail train paralysis risk because auxiliary electric power supply protection; powering mode can be arranged flexibly, has crossfeed and, extension power supply and the municipal rail train auxiliary power supply system of grid-connected power supply advantage simultaneously.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is: a kind of municipal rail train auxiliary power supply system, including two auxiliary power unit, described auxiliary power unit includes two power supply buses and at least two auxiliary electric power supplies；Described power supply buses is at least connected with an auxiliary electric power supply；The common AC load of municipal rail train is only connected with a power supply buses；The crucial AC load of municipal rail train is connected with two power supply buses simultaneously.
As further improvement of the utility model, the common AC load of described municipal rail train is only connected with a power supply buses and includes: common AC Load Balanced is divided into two groups according to vehicle by described municipal rail train, one group is connected with a power supply buses of this vehicle place auxiliary power unit, and another group is connected with another power supply buses of this vehicle place auxiliary power unit.
As further improvement of the utility model, described auxiliary electric power supply is connected with power supply buses by catalyst；Described common AC load is connected with power supply buses by catalyst；Described crucial AC load is connected with power supply buses by catalyst.
As further improvement of the utility model, in described auxiliary power unit, one end of two power supply buses respectively connects a bus catalyst, and described two power supply buses are in parallel by bus catalyst.
As further improvement of the utility model, also including a total bus, described total bus will adhere to two power supply buses series connection after the parallel connection of two auxiliary power unit separately.
As further improvement of the utility model, described common AC load refers to not affect the AC load of city rail train, braking, including air-conditioning equipment, luminaire；Described crucial AC load refers to affect the AC load of city rail train, braking, including traction Fan Equipment, braking resistor Fan Equipment, Air Compressor Equipment.
Compared with prior art, the utility model has the advantage of: the electric power system of municipal rail train is divided into two power supply units by this utility model, crossfeed is adopted in power supply unit, when ensure that the short circuit of train ac bus, short-circuit busbar can be isolated, it is ensured that trouble unit, critical loads and the general common normal invocation point of AC load, fault-free unit is unaffected, solves under current grid-connected powering mode, and busbar short-circuit brings the problem that train is paralysed.By the state of bus catalyst, the powering mode of municipal rail train can be switched flexibly, the advantage having crossfeed, extension power supply and grid-connected power supply concurrently.
Accompanying drawing explanation
Fig. 1 is crossfeed principle schematic in prior art.
Fig. 2 is extension power supply the principle schematic diagram in prior art.
Fig. 3 is grid-connected power supply the principle schematic diagram in prior art.
Fig. 4 is this utility model power supply the principle schematic diagram.
Marginal data: 1, auxiliary power unit；2, power supply buses；3, auxiliary electric power supply；4, common AC load；5, crucial AC load；6, catalyst；7, bus catalyst；8, total bus.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, this utility model is further described, but does not therefore limit protection domain of the present utility model.
The present embodiment one municipal rail train auxiliary power supply system, including two auxiliary power unit 1, auxiliary power unit 1 includes two power supply buses 2 and at least two auxiliary electric power supplies 3；Power supply buses 2 is at least connected with an auxiliary electric power supply 3；The common AC(exchange of municipal rail train) load 4 is only connected with a power supply buses 2；The crucial AC load 5 of municipal rail train is connected with two power supply buses 2 simultaneously.Municipal rail train generally adopts symmetrical marshalling, in the present embodiment, as shown in Figure 4, municipal rail train includes 6 joint vehicles, auxiliary power supply system is divided into two auxiliary power unit 1, and each auxiliary power unit 1 includes two power supply buses 2 and two auxiliary electric power supplies 3, and each auxiliary power unit 1 includes 3 joint vehicles, the auxiliary electrical equipment being responsible for this 3 joint vehicle is powered, and auxiliary electrical equipment includes common AC load and crucial AC load.Key AC load 5 being connected with two power supply buses 2, it is ensured that when wherein power supply buses 2 dead electricity, crucial AC load 5 still can pass through another power supply buses 2 obtain electric energy simultaneously, it is ensured that crucial AC load 5 properly functioning.
In the present embodiment, the common AC load 4 of municipal rail train is only connected with a power supply buses 2 and refers to: common AC load 4 is uniformly divided into two groups according to vehicle by municipal rail train, one group is connected with a power supply buses 2 of this vehicle place auxiliary power unit 1, and another group is connected with another power supply buses 2 of this vehicle place auxiliary power unit 1.By common AC load 4 is grouped, it is connected with two power supply buses 2 respectively, when wherein power supply buses 2 dead electricity, remains able to ensure that municipal rail train has the common AC load 4 of half can be properly functioning.
In the present embodiment, auxiliary electric power supply 3 is connected with power supply buses 2 by catalyst 6；Common AC load 4 is connected with power supply buses 2 by catalyst 6；Crucial AC load 5 is connected with power supply buses 2 by catalyst 6.Can ensure that when auxiliary electric power supply 3, common AC load 4 or crucial AC load 5 are broken down, it is possible to independent faulty equipment is cut out, it is ensured that electric power system properly functioning.
In the present embodiment, one end of interior two power supply buses 2 of auxiliary power unit 1 respectively connects a bus catalyst 7, and two power supply buses 2 are in parallel by bus catalyst 7.Also including a total bus 8, two power supply buses 2 after adhering to the parallel connection of two auxiliary power unit 1 separately are connected by total bus 8.In the present embodiment, by the disconnection of bus catalyst 7 and closure state, it is possible to arrange the powering mode of municipal rail train flexibly, 4 power supply buses in two auxiliary power unit 1 of municipal rail train can independent operating, respectively respective load supplying；Two auxiliary power unit 1 can also be connected, be powered for municipal rail train by 4 auxiliary electric power supplies 3 are grid-connected.Flexibly the fault power supply buses 2 of short circuit can be cut out auxiliary power supply system by bus catalyst 7, not affect the properly functioning of other power supply buses 2.
In the present embodiment, common AC load 4 refers to not affect the AC load of city rail train, braking, including air-conditioning equipment, luminaire；Crucial AC load 5 refers to affect the AC load of city rail train, braking, including traction Fan Equipment, braking resistor Fan Equipment, Air Compressor Equipment.
Above-mentioned simply preferred embodiment of the present utility model, not does any pro forma restriction to this utility model.Although this utility model is disclosed above with preferred embodiment, but it is not limited to this utility model.Therefore, every content without departing from technical solutions of the utility model, according to this utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (6)
1. a municipal rail train auxiliary power supply system, it is characterised in that: including two auxiliary power unit (1), described auxiliary power unit (1) includes two power supply buses (2) and at least two auxiliary electric power supplies (3)；Described power supply buses (2) is at least connected with an auxiliary electric power supply (3)；The common AC load (4) of municipal rail train is only connected with a power supply buses (2)；The crucial AC load (5) of municipal rail train is connected with two power supply buses (2) simultaneously.
2. municipal rail train auxiliary power supply system according to claim 1, it is characterized in that, the common AC load (4) of described municipal rail train is only connected with a power supply buses (2) and includes: common AC load (4) is uniformly divided into two groups according to vehicle by described municipal rail train, one group is connected with a power supply buses (2) at this vehicle place auxiliary power unit (1), and another group is connected with another power supply buses (2) at this vehicle place auxiliary power unit (1).
3. municipal rail train auxiliary power supply system according to claim 1, it is characterised in that: described auxiliary electric power supply (3) is connected with power supply buses (2) by catalyst (6)；Described common AC load (4) is connected with power supply buses (2) by catalyst (6)；Described crucial AC load (5) is connected with power supply buses (2) by catalyst (6).
4. municipal rail train auxiliary power supply system according to claim 1, it is characterized in that: one end of interior two power supply buses (2) of described auxiliary power unit (1) respectively connects a bus catalyst (7), described two power supply buses (2) are in parallel by bus catalyst (7).
5. municipal rail train auxiliary power supply system according to claim 4, it is characterised in that: also including a total bus (8), described total bus (8) will adhere to two power supply buses (2) series connection after the parallel connection of two auxiliary power unit (1) separately.
6. the municipal rail train auxiliary power supply system according to any one of claim 1 to 5, it is characterised in that: described common AC load (4) refers to not affect the AC load of city rail train, braking, including air-conditioning equipment, luminaire；Described crucial AC load (5) refers to affect the AC load of city rail train, braking, including traction Fan Equipment, braking resistor Fan Equipment, Air Compressor Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154307.1U CN205395787U (en) | 2016-03-01 | 2016-03-01 | City rail train auxiliary power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154307.1U CN205395787U (en) | 2016-03-01 | 2016-03-01 | City rail train auxiliary power supply system |
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| CN205395787U true CN205395787U (en) | 2016-07-27 |
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| CN201620154307.1U Active CN205395787U (en) | 2016-03-01 | 2016-03-01 | City rail train auxiliary power supply system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187318A (en) * | 2017-04-26 | 2017-09-22 | 中车长春轨道客车股份有限公司 | CRH5 EMUs medium-pressure electricity supply control method |
| CN107895944A (en) * | 2017-11-27 | 2018-04-10 | 中车株洲电力机车有限公司 | A kind of power supply circuit for train |
| CN109038565A (en) * | 2018-08-16 | 2018-12-18 | 中车唐山机车车辆有限公司 | The grid-connected method of supplying power to of auxiliary power supply system and management system |
| CN109941108A (en) * | 2019-04-02 | 2019-06-28 | 中车株洲电力机车有限公司 | Rail traffic vehicles and its fault protecting method |
| CN111628526A (en) * | 2020-06-09 | 2020-09-04 | 中车青岛四方车辆研究所有限公司 | Grid-connected control method based on multiple buses and multiple contactors |
-
2016
- 2016-03-01 CN CN201620154307.1U patent/CN205395787U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187318A (en) * | 2017-04-26 | 2017-09-22 | 中车长春轨道客车股份有限公司 | CRH5 EMUs medium-pressure electricity supply control method |
| CN107895944A (en) * | 2017-11-27 | 2018-04-10 | 中车株洲电力机车有限公司 | A kind of power supply circuit for train |
| WO2019100917A1 (en) * | 2017-11-27 | 2019-05-31 | 中车株洲电力机车有限公司 | Train power supply circuit |
| CN107895944B (en) * | 2017-11-27 | 2020-04-17 | 中车株洲电力机车有限公司 | Train power supply circuit |
| CN109038565A (en) * | 2018-08-16 | 2018-12-18 | 中车唐山机车车辆有限公司 | The grid-connected method of supplying power to of auxiliary power supply system and management system |
| CN109941108A (en) * | 2019-04-02 | 2019-06-28 | 中车株洲电力机车有限公司 | Rail traffic vehicles and its fault protecting method |
| WO2020199680A1 (en) * | 2019-04-02 | 2020-10-08 | 中车株洲电力机车有限公司 | Rail transit train and fault protection method thereof |
| CN109941108B (en) * | 2019-04-02 | 2021-11-12 | 中车株洲电力机车有限公司 | Rail transit vehicle and fault protection method thereof |
| CN111628526A (en) * | 2020-06-09 | 2020-09-04 | 中车青岛四方车辆研究所有限公司 | Grid-connected control method based on multiple buses and multiple contactors |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |