CN107565542A - A kind of quiet tune power-supply system of urban rail - Google Patents
A kind of quiet tune power-supply system of urban rail Download PDFInfo
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- CN107565542A CN107565542A CN201710884004.4A CN201710884004A CN107565542A CN 107565542 A CN107565542 A CN 107565542A CN 201710884004 A CN201710884004 A CN 201710884004A CN 107565542 A CN107565542 A CN 107565542A
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Abstract
The invention provides a kind of quiet tune power-supply system of urban rail, including 380V AC low-tensions switch cubicle, AC380V/AC590V rectifier transformers cabinet, DC500A/750V rectifier cabinets, direct current incoming line cabinet and the DC feeder cabinet being sequentially connected, AC380V buses access 400V AC low-tension switch cubicles, export to AC380V/AC590V rectifier transformer cabinets, enter after rectified transformer boost phase shift in DC500A/750V rectifier cabinets and pass through rectifier rectification, again by direct current incoming line cabinet, DC feeder cabinet, electric power supply control system is formed.The present invention solves the powerup issue of the direct current main circuit in no DC traction substation or DC Traction Network, in addition, when outside direct current network load is larger, net pressure is unstable, can also disconnect external dc power, use the power supply of AC380V commercial power instead.
Description
Technical field
The invention belongs to power transformation and distribution technique field, more particularly, to a kind of quiet tune power-supply system of urban rail.
Background technology
Static debugging be city rail vehicle general assembly completion after, the important procedure before dynamic debugging, by work step to traction
The part power transmission inspection such as system, high-low pressure equipment, control circuit, confirmation are worked well and could enter dynamic debugging, have electricity consumption
Load is low, power supply quality requires the characteristics of higher.
Existing urban rail is quiet to adjust power-supply system majority to be powered by DC traction substation or DC Traction Network, and power supply quality is easy
Influenceed by external electrical network and transmission range.The present invention is a kind of quiet tune power-supply system of urban rail, by the way of power taking in storehouse, is led to
A set of converter system is crossed, with reference to new computer integrated protection technology, realizes safe and stable DC750V power supplies.
The content of the invention
In view of this, the present invention is directed to propose a kind of quiet tune power-supply system of urban rail, with reality, there are currently no DC traction power transformation
When institute or DC Traction Network are powered, or when outside direct current network power supply quality is poor, solves city using AC380V commercial power
Rail vehicle static debugging powerup issue.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of quiet tune power-supply system of urban rail, including the 380V AC low-tensions switch cubicle, the AC380V/AC590V that are sequentially connected are whole
Convertor transformer cabinet, DC500A/750V rectifier cabinets, direct current incoming line cabinet and DC feeder cabinet, the access 400V exchanges of AC380V buses are low
Compress switch cabinet, exports to AC380V/AC590V rectifier transformer cabinets, enters DC500A/ after rectified transformer boost phase shift
By rectifier rectification in 750V rectifier cabinets, then by direct current incoming line cabinet, DC feeder cabinet, form electric power supply control system.
Further, the 380V AC low-tensions switch cubicle includes frame circuit breaker, current transformer, instrument.
Further, the AC380V/AC590V rectifier transformers cabinet includes the pulse wave rectifier transformer of 6 phase 12, for rising
Press phase shift.
Further, the DC500A/750V rectifier cabinets are made up of the pulse wave full-wave rectification bridge of 6 phase 12, for that will boost it
AC rectification afterwards is the stable direct current of waveform.
Further, be provided with the DC500A/750V rectifier cabinets breaking protection circuit, phase conversion overvoltage protection circuit,
AC excess voltage protection, DC side excess voltage protection, temperature protection circuit.
Relative to prior art, a kind of urban rail of the present invention is quiet to adjust power-supply system to have the advantage that：Present invention solution
Determine the powerup issue of in no DC traction substation or DC Traction Network direct current main circuit, in addition, in external dc electricity
When net load is larger, net pressure is unstable, external dc power can also be disconnected, uses the power supply of AC380V commercial power instead.This scheme supplies
Electric equipment cost is relatively low, can improve static debugging power supply quality, makes not interfereing with each other between the dynamic tune of quiet mediation, improves production, examines
Efficiency is repaiied, there is good economic benefit.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of quiet theory diagram for adjusting power-supply system of urban rail described in the embodiment of the present invention；
Fig. 2 is a kind of quiet structural representation for adjusting power-supply system of urban rail described in the embodiment of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, 2, a kind of quiet tune power-supply system of urban rail of present invention offer, including 380V AC low-tensions switch cubicle,
AC380V/AC590V rectifier transformers cabinet, DC500A/750V rectifier cabinets, DC feeder cabinet and direct current incoming line cabinet.
First, 380V AC low-tensions switch cubicle：Ac low-voltage cabinet for commutation system is connected to 380V ac bus and rectification
Between transformer, mainly it is made up of in cabinet frame circuit breaker, current transformer, instrument.Frame circuit breaker is that pull-out type is intelligently disconnected
Road device.
In order to safe for operation, interlocking should be set between the different elements of switch cubicle and between miscellaneous equipment.Major loop is come
Say, in accordance with following regulation：
(1) when only having the breaker to be in gate-dividing state, breaker movable part could be extracted out or inserted；Work as movable part
In work, testing position, breaker can carry out point, close a floodgate part, otherwise can not carry out point, close a floodgate.Breaker, which is in, to close a floodgate
During state, it is impossible to extract movable part out from the operating position that it is run or be pushed into from testing position.
(2) at operating position, if subsidiary loop access failure, breaker can not close a floodgate breaker movable part.
(3) only after rectifier transformer and rectifier cabinet are closed the door, the breaker in switch cubicle could close a floodgate, and work as rectifier transformer
When the cabinet door of device and any table apparatus of rectifier cabinet is opened, AC circuit breaker will trip therewith.
2nd, AC380V/AC590V rectifier transformers cabinet, including the pulse wave rectifier transformer of 6 phase 12.Main function moves for boosting
Phase.
Basic function：
(1) it is connected with temperature sensor, detects measuring temperature of three-phase winding in real time.
(2) winding high temperature alarm, the tripping operation of winding overtemperature, fan operation/failure, grid, which are opened the door, monitors functions such as (alarms).
(3) various definite values and parameter can be set and changed by keyboard.
(4) overtemperature alarm, superhigh temperature tripping operation and grid enabling etc. should have passive hard contact mode to export.
(5) should be able to real-time display temperature information and fault message, fault message can involution after a local or distant place confirms.
(6) temperature controller input is with high pressure, overcurrent protection, or takes secondary device high insulation measures.
3rd, DC500A/750V rectifier cabinets：Including rectifier, rectifier is made up of the pulse wave full-wave rectification bridge of 6 phase 12.Mainly
It is the stable direct current of waveform to act as the AC rectification after boosting.
In every rectifier planted agent, following protections are set：Internal short-circuit protection, phase conversion overvoltage protection, AC overvoltage
Protection, DC side overvoltage protection, temperature protection.
4th, direct-current switch cabinet
Match somebody with somebody 2 direct-current switch cabinets, i.e. 1 DC feeder cabinet, 1 direct current incoming line cabinet in electric power system altogether.Its main function
It is to be powered control, and provides protection against.
Switch cubicle has safety interlocking function：
(1) only when the direct current quick breaker of DC feeder cabinet is in gate-dividing state, direct current isolating switch cabinet interval
Breaking-closing operating could be carried out by leaving pass；
(2) only in testing position or operating position, direct current quick breaker could close a floodgate handcart of direct-current circuit breaker；
(3) after there was only the closing of DC feeder cabinet cabinet door, its direct current quick breaker could close a floodgate.
The present invention static debugging power-supply system with traditional scheme compared with, devise it is a set of by commercial power boost rectification obtain
To the quiet system for adjusting power supply of railcar, for supplying direct current 750V electricity consumptions for urban rail, when solving no dynamic debugging line, storehouse is utilized
Interior debugging line realizes boosting rectification, cost-effective.
(2) system has integrated protection and safety interlocking function, and overcurrent can be carried out by computer integrated protection system
Protection, thermal overload protection, overvoltage protection etc., equipment and personal safety can be effectively protected.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (5)
- A kind of 1. quiet tune power-supply system of urban rail, it is characterised in that：Including be sequentially connected 380V AC low-tensions switch cubicle, AC380V/AC590V rectifier transformers cabinet, DC500A/750V rectifier cabinets, direct current incoming line cabinet and DC feeder cabinet, AC380V buses 380V AC low-tension switch cubicles are accessed, are exported to AC380V/AC590V rectifier transformer cabinets, after rectified transformer boost phase shift By rectifier rectification in into DC500A/750V rectifier cabinets, then pass through direct current incoming line cabinet, DC feeder cabinet, composition power supply control System processed.
- A kind of 2. quiet tune power-supply system of urban rail according to claim 1, it is characterised in that：The 380V AC low-tensions switch Cabinet includes frame circuit breaker, current transformer, instrument.
- A kind of 3. quiet tune power-supply system of urban rail according to claim 1, it is characterised in that：The AC3800V/AC590V is whole Convertor transformer cabinet includes the pulse wave rectifier transformer of 6 phase 12, for phase shift of boosting.
- A kind of 4. quiet tune power-supply system of urban rail according to claim 1, it is characterised in that：The DC500A/750V rectifications Cabinet is made up of the pulse wave full-wave rectification bridge of 6 phase 12, for being the stable direct current of waveform by the AC rectification after boosting.
- A kind of 5. quiet tune power-supply system of urban rail according to claim 4, it is characterised in that：The DC500A/750V rectifications Breaking protection circuit, phase conversion overvoltage protection circuit, AC excess voltage protection, DC side overvoltage protection are provided with cabinet Circuit, temperature protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884004.4A CN107565542A (en) | 2017-09-26 | 2017-09-26 | A kind of quiet tune power-supply system of urban rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884004.4A CN107565542A (en) | 2017-09-26 | 2017-09-26 | A kind of quiet tune power-supply system of urban rail |
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| Publication Number | Publication Date |
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| CN107565542A true CN107565542A (en) | 2018-01-09 |
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| CN201710884004.4A Pending CN107565542A (en) | 2017-09-26 | 2017-09-26 | A kind of quiet tune power-supply system of urban rail |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210702A (en) * | 2020-03-03 | 2020-05-29 | 广州株电交通设备有限公司 | Subway traction power transformation system training platform |
| CN112670988A (en) * | 2021-01-11 | 2021-04-16 | 重庆中车长客轨道车辆有限公司 | Double-flow control device in trial run static adjustment line and control mode thereof |
| CN113147519A (en) * | 2021-04-21 | 2021-07-23 | 重庆中车长客轨道车辆有限公司 | Power supply system conversion system for rail transit contact network |
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|---|---|---|---|---|
| CN201690203U (en) * | 2010-04-02 | 2010-12-29 | 镇江大全赛雪龙牵引电气有限公司 | Vehicle static debugging power supply device for urban rail |
| CN202046214U (en) * | 2011-05-09 | 2011-11-23 | 株洲变流技术国家工程研究中心有限公司 | Energy-fed traction power supply device |
| 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 |
| CN106335522A (en) * | 2016-08-31 | 2017-01-18 | 天津电力机车有限公司 | Railway locomotive composite cooler restoration method |
-
2017
- 2017-09-26 CN CN201710884004.4A patent/CN107565542A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201690203U (en) * | 2010-04-02 | 2010-12-29 | 镇江大全赛雪龙牵引电气有限公司 | Vehicle static debugging power supply device for urban rail |
| CN202046214U (en) * | 2011-05-09 | 2011-11-23 | 株洲变流技术国家工程研究中心有限公司 | Energy-fed traction power supply device |
| 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 |
| CN106335522A (en) * | 2016-08-31 | 2017-01-18 | 天津电力机车有限公司 | Railway locomotive composite cooler restoration method |
Non-Patent Citations (1)
| Title |
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| 李丽霄: "铁路机车车辆和城轨车辆生产基地静调厂房的供电设计和供电安全性的探讨" * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210702A (en) * | 2020-03-03 | 2020-05-29 | 广州株电交通设备有限公司 | Subway traction power transformation system training platform |
| CN111210702B (en) * | 2020-03-03 | 2022-06-28 | 广州株电交通设备有限公司 | Subway traction power transformation system training platform |
| CN112670988A (en) * | 2021-01-11 | 2021-04-16 | 重庆中车长客轨道车辆有限公司 | Double-flow control device in trial run static adjustment line and control mode thereof |
| CN112670988B (en) * | 2021-01-11 | 2022-08-19 | 重庆中车长客轨道车辆有限公司 | Double-flow control device in trial run static adjustment line and control mode thereof |
| CN113147519A (en) * | 2021-04-21 | 2021-07-23 | 重庆中车长客轨道车辆有限公司 | Power supply system conversion system for rail transit contact network |
| CN113147519B (en) * | 2021-04-21 | 2024-01-23 | 重庆中车长客轨道车辆有限公司 | Power supply system conversion system for rail transit contact network |
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Application publication date: 20180109 |