CN108001239A - Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy - Google Patents
Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy Download PDFInfo
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- CN108001239A CN108001239A CN201711258908.2A CN201711258908A CN108001239A CN 108001239 A CN108001239 A CN 108001239A CN 201711258908 A CN201711258908 A CN 201711258908A CN 108001239 A CN108001239 A CN 108001239A
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- Prior art keywords
- locomotive
- net
- phase
- pressure signal
- power supply
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/04—Arrangements for cutting in and out of individual track sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of train to cross split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy, in Train Approaching phase-separating section, locomotive starts to use regenerative braking, locomotive is done step-by-step energy and is provided by contact net to the conversion provided by locomotive traction motor regenerative braking at the same time, then disjunction main circuit breaker, the energy of rail vehicle power supply is all provided by regenerative braking, and when locomotive passes through non-Electric region, locomotive also uninterruptedly can provide DC600V power supplys to rail vehicle；Reduce the action frequency of the motion device such as locomotive and vehicle powering system contactor, improve the utilization rate of electric power system, improve the service life of vehicle powering system, reduce failure rate.Improve the comfort of passenger.
Description
Technical field
The present invention relates to electric locomotive traction technical field, and in particular to a kind of train cross split-phase opportunity car to vehicle not between
Cut-off electric network voltage scheme control strategy.
Background technology
With the promotion and application of the large area of China's AC Drive Technology, electric locomotive dynamic braking is generally using regeneration
Braking technology, the four-quadrant control technology and reverse control technology of locomotive converter system are ripe.Electric locomotive traction passenger
During train, current commonplace way is that locomotive provides DC600V power supplys, when train is by during phase-separating section, machine to vehicle
Car uses sub-main break road device, stops providing DC600V power supplys to vehicle, after excessively complete phase-separating section, powers again to rail vehicle.It is existing
There is the defects of technology to show following two aspects：
(1), when train crosses phase-separating section, there is no electrical source of power on train, air-conditioning, heating on vehicle etc. cannot work.
(2), when locomotive crosses phase-separating section, locomotive and the above-listed confession equipment of vehicle need start-stop, reduce service life, add
Failure rate.
The content of the invention
In view of the above-mentioned defects in the prior art, when the present invention crosses phase-separating section by locomotive, formulate to current transformer, main circuit breaker
Deng control strategy, realize when the passenger train using electric locomotive traction of the friendship orthogonal transmission with DC600V power supplies is crossing split-phase
Qu Shi, can provide the control method of uninterrupted, stable DC600V power supplys to passenger vehicles.
The technical solution adopted in the present invention is that train crosses split-phase opportunity car to the control of vehicle uninterrupted power supply net die pressing type
Strategy, including following 3 steps：
Step 1：Locomotive cross phase-separating section before, main circuit breaker of railway engine closure, contact net for locomotive provide traction power source and to
Train provides DC600V power supplies；
Step 2：When locomotive crosses phase-separating section, when the speed of locomotive is more than 40km/h, when locomotive is connected to the mistake split-phase on ground
After area's anticipating signal, locomotive proceeds by regenerative braking, starts simultaneously at the record time, when the modulation net pressure signal of locomotive is using mutual
After the net pressure signal 3s of sensor, locomotive enters regenerative power generation state, locomotive sub-main break road device, and modulation at this time is netted pressure signal and still adopted
Signal is pressed with mutual inductor net, net pressure signal is modulated after 1s pressure signal is netted using simulation, simulation net pressure signal is adjusted according to 50Hz
System, locomotive use regenerative electric power, uninterruptedly provide DC600V power supplies to vehicle；
Step 3：After locomotive is by non-Electric region, after the net pressure of locomotive detection to contact net, current transformer starts adjustment simulation
Net pressure signal to contact net net presses signal, and adjusts and complete in 2s compared with the net pressure signal waveform detected in real time
Simulation net pressure signal is consistent with contact net net pressure signal, if detecting the recovery signal of co-host break road device, closes main open circuit
Device, locomotive exited split-phase row and supply uninterrupted power supply operating mode, and locomotive energy and train power supply energy start to be provided by contact net, machine
Car completed phase-separating section.
After the locomotive crosses phase-separating section, after simulation net pressure signal is adjusted to mutual inductor net pressure signal, main circuit breaker can
Control.
The beneficial effects of the invention are as follows：The present invention when locomotive crosses phase-separating section, can ensure locomotive to train uninterruptedly into
Row power supply, reduces the action frequency of the motion device such as locomotive and vehicle powering system contactor, improves the profit of electric power system
With rate, the service life of vehicle powering system is improved, reduces failure rate.Improve the comfort of passenger.
Brief description of the drawings
Fig. 1 crosses individual-phase control figure for locomotive.
Fig. 2 crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy figure for train of the present invention.
Embodiment
Invention is described further in conjunction with attached drawing, locomotive of the invention is before phase-separating section is crossed, main circuit breaker of railway engine
In closure state, the power supply of locomotive traction power supply and the DC600V train power supplies powered to passenger vehicles is ultimately derived from contact
Net；In Train Approaching phase-separating section, locomotive starts to use regenerative braking, at the same locomotive be done step-by-step energy by contact net provide to
The conversion provided by locomotive traction motor regenerative braking, then disjunction main circuit breaker, the energy of rail vehicle power supply is all by again
Raw braking provides, and when locomotive passes through non-Electric region, locomotive also uninterruptedly can provide DC600V power supplys to rail vehicle；When locomotive passes through
After phase-separating section, when locomotive detection to contact net has voltage, pressed by the mains frequency and net that compare contact net, rapid adjustment regeneration
The frequency of braking and net are pressed, when both sides reach it is consistent when, after the order of co-host break is obtained, locomotive closure main circuit breaker, train
The energy of power supply is provided by regenerative braking switchs to contact net power supply.During whole split-phase excessively, locomotive continues to train
DC600V loads provide energy, do not interrupt.Whole process is illustrated in fig. 1 shown below.
Crossing split-phase for existing Passenger Electric Locomotive cannot be to passenger vehicles powerup issue, and the present invention provides one kind to have
The control strategy of effect, comprises the following steps：
When locomotive crosses phase-separating section, when the speed of locomotive is more than 40km/h, the phase-separating section of crossing that ground is connected to when locomotive is predicted
After signal, locomotive proceeds by regenerative braking, starts simultaneously at the record time, when the modulation net pressure signal of locomotive is using mutual inductor
After net pressure signal 3s, locomotive enters regenerative power generation state, locomotive sub-main break, and modulation at this time nets pressure signal and still uses mutual inductor net
Signal is pressed, net pressure signal is modulated after 1s pressure signal is netted using simulation, simulation net pressure signal is modulated according to 50Hz, locomotive use
Regenerative electric power, ensures uninterruptedly to provide DC600V power supplies to vehicle.
After locomotive is by non-Electric region, after the net pressure of locomotive detection to contact net, current transformer starts adjustment simulation net pressure letter
Number to contact net net press signal, and in real time with detect net pressure signal waveform compared with, in 2s adjustment complete simulation net
Press signal consistent with contact net net pressure signal.Afterwards if detecting the recovery signal of co-host break, main circuit breaker, locomotive are closed
Exited split-phase row and supply uninterrupted power supply operating mode, locomotive energy and train power supply energy start to be provided by contact net, and locomotive is completed
Cross phase-separating section.Note：The time for crossing phase-separating section above sets and can be adjusted according to the setting of circuit phase-separating section.Specific control strategy
As shown in Figure 2.
Claims (2)
1. train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy, it is characterised in that：Including following 3
Step：
Step 1：For locomotive before phase-separating section is crossed, main circuit breaker of railway engine closure, contact net provides traction power source and to train for locomotive
DC600V power supplies are provided；
Step 2：When locomotive crosses phase-separating section, when the speed of locomotive is more than 40km/h, the phase-separating section excessively that ground is connected to when locomotive is pre-
After accusing signal, locomotive proceeds by regenerative braking, starts simultaneously at the record time, when the modulation net pressure signal of locomotive uses mutual inductor
Net pressure signal 3s after, locomotive enters regenerative power generation state, and locomotive sub-main break road device, modulation net pressure signal is still using mutually at this time
Sensor net presses signal, and net pressure signal is modulated after 1s and nets pressure signal using simulation, simulation net pressure signal is modulated according to 50Hz, machine
Car uses regenerative electric power, uninterruptedly provides DC600V power supplies to vehicle；
Step 3：After locomotive is by non-Electric region, after the net pressure of locomotive detection to contact net, current transformer starts adjustment simulation net pressure
Signal to contact net net presses signal, and in real time compared with the net pressure signal waveform detected, the adjustment completion simulation in 2s
Net pressure signal is consistent with contact net net pressure signal, if detecting the recovery signal of co-host break road device, closes main circuit breaker, machine
Car exited split-phase row and supplies uninterrupted power supply operating mode, and locomotive energy and train power supply energy start to be provided by contact net, and locomotive is complete
Into phase-separating section excessively.
2. train according to claim 1 crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy, its
It is characterized in that：After the locomotive crosses phase-separating section, after simulation net pressure signal is adjusted to mutual inductor net pressure signal, main circuit breaker can
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258908.2A CN108001239A (en) | 2017-12-01 | 2017-12-01 | Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258908.2A CN108001239A (en) | 2017-12-01 | 2017-12-01 | Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy |
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| CN108001239A true CN108001239A (en) | 2018-05-08 |
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| CN201711258908.2A Pending CN108001239A (en) | 2017-12-01 | 2017-12-01 | Train crosses split-phase opportunity car to vehicle uninterrupted power supply net die pressing type control strategy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790956A (en) * | 2018-05-29 | 2018-11-13 | 中国铁道科学研究院集团有限公司 | A kind of double-current system train crosses phase-separating section period control method |
| CN110481388A (en) * | 2019-07-17 | 2019-11-22 | 中车永济电机有限公司 | High-power permanent magnet directly drives locomotive traction system automatic passing over of neutral section control method |
| WO2019242226A1 (en) * | 2018-06-21 | 2019-12-26 | 株洲中车时代电气股份有限公司 | Main circuit of traction system and control method therefor and rail vehicle |
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| WO2019242226A1 (en) * | 2018-06-21 | 2019-12-26 | 株洲中车时代电气股份有限公司 | Main circuit of traction system and control method therefor and rail vehicle |
| CN110481388A (en) * | 2019-07-17 | 2019-11-22 | 中车永济电机有限公司 | High-power permanent magnet directly drives locomotive traction system automatic passing over of neutral section control method |
| CN110481388B (en) * | 2019-07-17 | 2022-11-22 | 中车永济电机有限公司 | Automatic phase-passing control method for traction system of high-power permanent magnet direct-drive locomotive |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190505 Address after: No. 10, Fuxing Road, Haidian District, Beijing Applicant after: CHINA RAILWAY CORPORATION Applicant after: DALIAN LOCOMOTIVE AND ROLLING STOCK CO., LTD. CNR GROUP Address before: No. 51, middle The Strip, Shahekou District, Dalian, Liaoning Applicant before: DALIAN LOCOMOTIVE AND ROLLING STOCK CO., LTD. CNR GROUP |
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Application publication date: 20180508 |
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