CN104875630B - Power consumption control method for double-source trolleybus - Google Patents
Power consumption control method for double-source trolleybus Download PDFInfo
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- CN104875630B CN104875630B CN201510220498.7A CN201510220498A CN104875630B CN 104875630 B CN104875630 B CN 104875630B CN 201510220498 A CN201510220498 A CN 201510220498A CN 104875630 B CN104875630 B CN 104875630B
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Abstract
The invention discloses a power consumption control method for a double-source trolleybus. Each operating zone consists of a power supply section and an insulating section, and feeding points of the power supply sections are connected with the power grid through wires. During operation in each operating zone, when the trolleybus is close to the corresponding feeding point, the trolleybus gets power from a wire network of the power supply section of the corresponding operating zone; when the trolleybus is away from the corresponding feeding point or in the corresponding insulating section, the trolleybus is powered by an energy source on the trolleybus. The power consumption control method for the double-source trolleybus has the advantages that by intelligent charging strategies and reasonable utilization of wire network facilities, power consumption of the whole trolleybus is controlled actively; when the trolleybus is close to the feeding points, wire networks are adopted for power supply, and when the trolleybus is away from the feeding points or in the insulating sections, the whole trolleybus is controlled to stop getting power from the wire networks, and the energy source on the trolleybus starts to supply power to the trolleybus, so that voltage jump caused by the insulating sections can be prevented effectively, arcing and impact to the wire networks can be reduced, a current collection system and the wire networks are protected from damages, wire network protection is facilitated, and system safety can be improved.
Description
Technical field
The present invention relates to a kind of double source trolleybus power consumption control method.
Background technology
Pure electric coach applies electric drive technology, meets the demand of energy-conserving and environment-protective, but continual mileage is short, high capacity cell
Its development is constrained with the capital construction cost of charging station.And trolleybus can realize the linked network pure motor driving of vehicle, but to line
The dependency of net is strong, it is impossible to which off-grid operation equally restricts its development.Therefore, by the gauze energy or other energy and pure electronic electricity
The double source trackless pure electric vehicle that the pond energy combines receives much concern.Double source trolleybus can depart from trolleybus electrical network traveling,
Which is being driven using vehicle power without aerial line barrier section, while being that vehicle power charging supplements car in time using onboard charger
Carry the energy consumed by power supply；And in the section for having built on stilts gauze, be further continued for travelling using gauze electricity.The main characteristics of this car
As long as being that trolley pole contacts electrical network, vehicle power begins to automatic charging, without the need for especially charging to vehicle power again, you can
Charged with electrical network in operation, the problems such as solving the charging interval length of pure electric vehicle, change electric trouble, it is not required that set up and fill
Electric stake, it is time saving and energy saving, also a saving cost.
In addition, the whole piece feeder line whole story terminal voltage that trolleybus causes because of gauze internal resistance differs greatly, for whole trackless
Electric car electric power system needs many rectification power distribution stations to combine, and gauze is considered between power distribution station and obtains rational power supply and just
In power scheduling, particularly when there is built on stilts power outage so as to which he remains to continue to run with region vehicle, and this is accomplished by whole
Individual trolley wire network sectional power supply region, can play insulating effect disconnecting touching to connect at line, and can be setting that tactile line is linked up
It is standby.That is gauze of powering is divided into several traffic coverages, and each traffic coverage is by the power-feed section that can be powered and phase therewith
The adjacent insulating segment that can not be powered is constituted, and the distributing point of power-feed section connects electrical network by wire.
After its electricity consumption strategy of double source trolleybus is double source pure electric coach trolley pole hanging wire, fill to vehicular energy automatically
Electricity, and persistently use gauze current work.The electricity consumption strategy protocol is simple, be easily achieved, but the power mode Shortcomings it
Place：On the one hand, electric car is in having the running of aerial line barrier section, always using gauze electricity consumption, due to travelling frequently over insulation
Section and cause voltage jump, be also easy to produce arcing, slip ring system and gauze caused damage；On the other hand due to gauze inner resistance
Objective reality, when charging to vehicular energy in hanging wire running, if when from distributing point farther out when still persistently using big
Electric current constant-current charge, it is higher to will result in gauze electric energy loss, wastes electric energy.
The content of the invention
It is an object of the invention to provide a kind of double source trolleybus power consumption control method, to solve existing control mode because of electricity
Car travels frequently over gauze insulating segment and causes voltage jump, damages the problem of slip ring system and gauze.
In order to realize object above, the technical solution adopted in the present invention is：A kind of double source trolleybus power consumption control side
Method, the power supply gauze of trolleybus are divided into several traffic coverages, and each traffic coverage is by the power-feed section that can be powered and therewith
The adjacent insulating segment that can not be powered is constituted, and the distributing point of the power-feed section connects electrical network by wire, and trolleybus is at each
When traffic coverage runs, during close distributing point, gauze power taking of the electric car from traffic coverage power-feed section；Away from distributing point or exhausted
During rim segment, electric car is powered by vehicular energy.
In the setpoint distance of close distributing point, charging current and corresponding Operational Zone of the gauze to electric car vehicular energy
The distance dependent of interior electric car and distributing point：Electric car is bigger with the distance of distributing point, and the supply current is less.
Electric car in each interval running, the power supply current value with electric car and distributing point distance increase and
It is gradually reduced with the trend of linear change.
Electric car in running, when which passes through the insulating segment of each traffic coverage, simultaneously sentence by vehicle collection insulating signal
The traffic coverage that disconnected vehicle is currently located.
In running, Real-time Collection speed information calculates electric car after correspondence traffic coverage insulating segment to electric car
The distance of the distance of traveling, the distance as electric car and distributing point.
Electric car determine in running, by way of GPS location the traffic coverage that electric car is currently located and electric car with
The distance of distributing point.
Double source trolleybus power consumption control method of the present invention adopts intelligent charge strategy, by rationally utilizing netting twine facility,
Active control car load electricity consumption, when electric car is close to distributing point, is powered using gauze, when electric car and distributing point farther out or are in
During insulating segment, control car load stops using gauze to power, and switchs to use vehicular energy, the voltage that can effectively prevent insulating segment from causing
Saltus step, reduces the impact and the appearance of arcing situation to gauze, it is to avoid slip ring system and gauze are caused damage, is conducive to gauze
Protection, improves the safety of system.
In addition, by rationally utilizing netting twine facility, active control car load electricity consumption, control the charging current value of vehicle power with
Current collector is gradually reduced with the increase of the distributing point distance of the traffic coverage, i.e., when current collector is close to distributing point, gauze internal resistance
Little, electric energy loss is low, and entire car controller carries out large current charge to vehicular energy；When current collector is away from distributing point, in gauze
Resistance is big, and entire car controller carries out low current charge or do not charge to vehicular energy, so as to reduce gauze internal resistance consumption.The method
By implementing intelligent charge strategy, can reasonable efficient utilization gauze facility, make gauze internal resistance loss reduction by more than 50%.
Description of the drawings
Fig. 1 is the schematic diagram of double source trolleybus power consumption control embodiment of the method for the present invention 1；
Fig. 2 is 2 schematic diagram of double source trolleybus power consumption control embodiment of the method for the present invention；
Fig. 3 is charging current with the first embodiment schematic diagram of the variation tendency of distance；
Fig. 4 is second embodiment schematic diagram of variation tendency of charging current with distance.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the present invention.
Embodiment 1
The invention provides a kind of double source trolleybus power consumption control method, the control principle of the method is as follows：Trackless electricity
The power supply gauze of car is divided into several traffic coverages, each traffic coverage by the power-feed section that can be powered and it is adjacent thereto can not
The insulating segment of power supply is constituted, and the distributing point of the power-feed section connects electrical network by wire, and trolleybus is transported in each traffic coverage
During row, during close distributing point, gauze power taking of the electric car from traffic coverage power-feed section；Away from distributing point or in insulating segment, stop
Only powered using gauze, electric car is powered by vehicular energy, reach the purpose for actively eliminating voltage jump.
As shown in figure 1, insulating segment i and length adjacent thereto are S1Power-feed section constitute i-th traffic coverage, insulate
Section i+1 and length adjacent thereto are S2Power-feed section constitute i+1 traffic coverage, insulating segment i+2 and adjacent thereto
Latter power-feed section constitutes the i-th+2 traffic coverages, and insulating segment i+3 and latter power-feed section adjacent thereto constitute the i-th+3
Traffic coverage ... ... the like, wherein, in the present embodiment, the distributing point of each traffic coverage is located at the starting of correspondence power-feed section
(other positions can also be located at) at position.In addition, in actual railroad embankment, length S between insulating segmentForIt is solid in advance
Fixed, i.e. S1、S2Etc. being constant.
When electric car is close to distributing point, i.e. electric car and distributing point meets S ＜ S apart from SmaxCondition when, SmaxFor pre-
If value, gauze power taking of the electric car from traffic coverage power-feed section；Away from distributing point or in insulating segment, i.e. electric car and distributing point
S is met apart from Smax≤S≤SForCondition when, electric car is powered by vehicular energy.
Embodiment 2
The present embodiment is to be powered using different power supplys except the diverse location in traffic coverage from the difference of embodiment 1
In addition, in the setpoint distance of close distributing point, charging current and corresponding traffic coverage of the gauze to electric car vehicular energy
The distance dependent of interior electric car and distributing point：Electric car is bigger with the distance of distributing point, and the supply current is less.
As shown in Fig. 2 when electric car is close to distributing point, electric car from the gauze power taking of traffic coverage power-feed section simultaneously, line
Net is to vehicular energy with large current charge；When the distance of electric car and distributing point gradually increases, charging current is tapered into；Work as electricity
When the distance of car and the insulating segment nearest with which is reduced to setting value electric car and is in insulating segment, electric car is powered by vehicular energy.
Embodiment 3
As shown in figure 3, in each traffic coverage, the charging current value of vehicle power is with electric car and the feedback of the traffic coverage
Electricity is put the increase of distance and is gradually reduced with the trend of linear change, wherein, the charging current value I at distributing point is maximum
I0, with current collector and the traffic coverage distributing point apart from S increase, charging current value I constantly reduces, when S reaches setting
Apart from S0When, charging current is minimum, it may even go so far that being directly reduced to 0.Insulated according to two intersegmental apart from SForAnd calculate
The S for going out, sets up current coefficient k (0≤k≤1) control charging current, i.e. k=f (s, sFor), charged according to the adjustment that is continually changing of S
Electric current, sends the control signal of charging current from entire car controller to collection electric controller.
Due to each traffic coverage power-feed section SForLength be possible to incomplete same, then each traffic coverage is corresponding
Setpoint distance S0Can be adjusted according to practical situation.Certainly, setpoint distance S here0Can also be carried out using linear mode
Setting, i.e. S0Meet S0/SForThe condition of=A, wherein, A is the definite value of 0 ＜ A ＜ 1, thus according to each traffic coverage SForReality
It is worth to random setting value S0。
Embodiment 4
As shown in figure 4, being the charging current value of vehicle power in place of the difference of the present embodiment and embodiment 3 with current collector
From correspondence traffic coverage distributing point distance increase and the trend that reduces is different, embodiment 1 is linear change, and the present embodiment be with
Stair-stepping variation tendency is gradually reduced.Fig. 3 show three layers of hierarchic structure change curve, i.e., when current collector and the Operational Zone
Between 0 ＜ S ＜ S of distributing point actual rangeaWhen, vehicle power is with constant current value IaIt is charged, works as Sa＜ S ＜ SbWhen, it is vehicle-mounted
Power supply is with constant current value IbIt is charged, works as Sb＜ S ＜ ScWhen, vehicle power is with constant current value IcIt is charged.Certainly,
The number of plies of hierarchic structure here is not changeless, can be adjusted according to practical situation, and the number of plies can also may be used with more
Being two-layer；In addition, the number of plies of each traffic coverage can be the same, or different, just differ a citing here
Illustrate.
Further, as the premise of control method of the present invention is it needs to be determined that vehicle is actually located in running
Traffic coverage and correspondence traffic coverage residing for physical location, as specific real-time mode is varied, have here
Body provides two kinds and illustrates.
Embodiment 5
First kind of way：Electric car in running, when electric car current collector is by correspondence traffic coverage insulating segment, by collecting
Electric controller gathers insulating signal, sends insulation alarm to entire car controller.After entire car controller receives insulation segment signal, automatically
Count, so as to judge traffic coverage that vehicle is currently located.Vehicle is believed according to the speed of the Real-time Collection in running simultaneously
Breath, calculates vehicle by the distance that travels after correspondence traffic coverage insulating segment by formula ∫ Vdt=S, the distance as electric car and
The distributing point distance of the traffic coverage.
Embodiment 6
The second way：In electric car along travel direction running, can be true in real time by the GPS module of vehicle configuration
Determine the physical location of vehicle, i.e., traffic coverage and electric car and the Operational Zone that electric car is currently located are determined in the way of GPS location
Between distributing point real-time range.
Embodiment 7
The third mode：Electric car Real-time Collection speed in the process of moving, calculates vehicle from bringing into operation to current time
Actual range ability, then the distance for deducting the traffic coverage for having passed through, you can obtain electric car and be presently in traffic coverage and institute
Place's real time position.
Certainly, know that the more than above of the mode of current traffic coverage and physical location is several, do not enumerate here.
Embodiment 8
In place of the present embodiment and the difference of above-described embodiment be do not judged by way of collecting vehicle speed or GPS location be
It is no to be close to insulating segment, but judged using the mode of collection insulating signal, for example keep at a certain distance away two trolley heads of setting,
Previous trolley head is used to gather current collector and the activation signal for contacting gauze, and latter trolley head is for powering to gauze.When first
When trolley head collects insulating signal, control latter trolley head and stop using gauze to power.It is of course also possible to take the device
Two trolley heads are such as made integrated form device etc. by distressed structure, belong to the distressed structure of the present invention.
Embodiment 9
In actual moving process, it is also possible to judge remote between electric car and insulating segment in the way of gathering gauze voltage
Closely, for example, electric car persistently detects gauze terminal voltage in running, when through insulation segment identifier (no matter single line two-wire),
Isolation DC/DC collects the set-point that drops to of voltage by sampling module, then directly turn off DCDC power outputs, now car load
Power is provided by vehicular energy (vehicle-mounted super capacitor and electrokinetic cell), while keeping car load persistently to travel, car load pair is cut off
The power demand of gauze, it is to avoid damage of the arcing to electric shock line and slide block；Gauze terminal voltage is detected persistently, when by segmentation of insulating
Qu Hou, acquisition module detect stable gauze voltage, and after postponing a time T, slow startup power demand works as acquisition module
Detect busbar voltage it is continual and steady when, respond car load power demand.
It should be noted that：Charging current cited by the present invention is with distance between electric car and distributing point with linear or rank
The situation of scalariform change, is the distance on the premise of vehicular energy charging modes are not considered, in actual motion and charging process
In, the actual charging modes of vehicular energy can be taken into account, i.e., when SOC value is relatively low, still be charged with larger current, but
The Long-term change trend reduced with distance increase that its charging current value is still previously mentioned with the present invention, certain reduction trend are not limited to
Aforesaid way, it would however also be possible to employ with the variation pattern of quadratic function downward trend, these are required for considering practical situation, are similar to and become
Change all within the scope of the present invention.
Above example is only used for the core concept for helping understand the present invention, it is impossible to limit the present invention with this, for ability
The technical staff in domain, every thought according to the present invention, modifies to the present invention or equivalent, in specific embodiment
And any change done in range of application, should be included within the scope of the present invention.
Claims (5)
1. a kind of double source trolleybus power consumption control method, the power supply gauze of trolleybus are divided into several traffic coverages, each
Traffic coverage is made up of the power-feed section that can be powered and the adjacent thereto insulating segment that can not be powered, the distributing point of the power-feed section
Electrical network is connected by wire, it is characterised in that：Trolleybus when each traffic coverage runs, near distributing point when, electric car from
The gauze power taking of traffic coverage power-feed section；Away from distributing point or in insulating segment, electric car is powered by vehicular energy；
In the setpoint distance of distributing point, gauze to the charging current of electric car vehicular energy with corresponding traffic coverage
The distance dependent of electric car and distributing point：Electric car is bigger with the distance of distributing point, and the supply current is less.
2. double source trolleybus power consumption control method according to claim 1, it is characterised in that：Electric car is in each interval
In running, the power supply current value is gradually subtracted with the trend of linear change with the increase of distributing point distance with electric car
It is little.
3. double source trolleybus power consumption control method according to claim 1 and 2, it is characterised in that：Electric car was running
Cheng Zhong, when which passes through the insulating segment of each traffic coverage, vehicle collection insulating signal simultaneously judges operation that vehicle is currently located
It is interval.
4. double source trolleybus power consumption control method according to claim 3, it is characterised in that：Electric car is in running
In, Real-time Collection speed information calculates the distance that electric car is travelled after correspondence traffic coverage insulating segment, and the distance is electricity
The distance of car and distributing point.
5. double source trolleybus power consumption control method according to claim 1 and 2, it is characterised in that：Electric car was running
Cheng Zhong, determines the distance of traffic coverage that electric car is currently located and electric car and distributing point by way of GPS location.
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| CN201510220498.7A CN104875630B (en) | 2015-05-04 | 2015-05-04 | Power consumption control method for double-source trolleybus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106828167A (en) * | 2017-02-28 | 2017-06-13 | 中通客车控股股份有限公司 | Double source fills pure electronic many car dynamic power balance control systems and control method soon |
| CN107202945A (en) * | 2017-06-22 | 2017-09-26 | 中通客车控股股份有限公司 | A kind of insulation detecting method of double source trolleybus |
| CN110014866A (en) * | 2017-09-04 | 2019-07-16 | 郑州宇通客车股份有限公司 | Double source trolleybus and its network segment switching charge control system and control method |
| CN108146296B (en) * | 2017-12-27 | 2023-08-11 | 中国煤炭科工集团太原研究院有限公司 | Auxiliary transportation system for mine double-electric overhead line truck |
| CN109986980A (en) * | 2019-05-06 | 2019-07-09 | 徐文辉 | Roadside power supply slip and the road street containing highway for using roadside power supply slip |
| CN113002326B (en) * | 2021-04-16 | 2022-12-20 | 上海申沃客车有限公司 | Electric energy management method for double-source trolley bus during network charging |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE469887B (en) * | 1989-10-25 | 1993-10-04 | Bertil Ingemar Blomstergren Me | Electric vehicle network |
| CN1283493C (en) * | 2003-04-02 | 2006-11-08 | 李东林 | Railless electrically driven vehicle mults set wire line power supply system and its power supply method |
| US8978905B2 (en) * | 2010-07-02 | 2015-03-17 | Liko Research & Development Ab | Lift systems with continuous in-rail charging |
| JP2013159181A (en) * | 2012-02-02 | 2013-08-19 | Mitsubishi Heavy Ind Ltd | Insulated section, power supply rail and track system traffic system |
| DE102012009689A1 (en) * | 2012-05-09 | 2013-11-14 | Db Fernverkehr Ag | Multipart rail vehicle, has end wagons provided with current collectors and converters, which transfer energy from power supply networks of different infrastructure networks into form of power system in rail vehicle |
| CN103192724B (en) * | 2013-03-26 | 2015-06-10 | 郑州宇通客车股份有限公司 | Trolley bus power system and power-grid-connected operation method and power-grid-free operation method thereof |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |