CN110001457A - A kind of power train does not power off excessive section control system and its method - Google Patents
A kind of power train does not power off excessive section control system and its method Download PDFInfo
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- CN110001457A CN110001457A CN201910316628.5A CN201910316628A CN110001457A CN 110001457 A CN110001457 A CN 110001457A CN 201910316628 A CN201910316628 A CN 201910316628A CN 110001457 A CN110001457 A CN 110001457A
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- 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
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Abstract
The invention discloses a kind of power trains not to power off excessive section control system and its method, is related to the technical field of rail traffic three-phase power supply system.The control system includes variable-frequency variable-voltage equipment, positioning unit, electronic switch and ground fortune control system；Variable-frequency variable-voltage equipment is used to provide three phase supply to power train；Positioning unit installation is segmented place close to power rail；Electronic switch is in parallel at the segmentation of power rail, and ground fortune control system one end is connect with variable-frequency variable-voltage equipment and positioning unit, and the other end is connect with variable-frequency variable-voltage equipment and the electronic switch.Therefore, present invention cooperated power supply when power train passes through sectional power supply transition region by the variable-frequency variable-voltage equipment of coordinated control adjacent interval, it is not only able to achieve " unaware " and does not power off excessive section, also carrying and the power supply efficiency of power train can be improved, also economic cost is substantially reduced, while also created favorable conditions for the driving of artificial Intelligent unattended.
Description
Technical field
The present invention relates to Train electrical for electrical domain more particularly to a kind of power train do not power off excessive section control system and
Its method.
Background technique
Existing power train is by power frequency single-phase ac power supply system power supply, on the locomotive and motor-car of power train, electrically
Equipment occupies an important position, and most important one is exactly to hand over straight friendship traction drive.Hand over straight friendship traction drive by vehicle-mounted
Tractive transformer, traction convertor and traction electric machine are connected in series, and drive traction electric machine and change traction electricity by frequency modulation, pressure regulation
Machine revolving speed come achieve the purpose that power train driving and speed governing operation, this process be known as power train drive.In general, real feelings
Under condition, power train driving is completed by manual operation, and minority is automatic Pilot.Here there are some problems.First is that
Straight friendship traction drive is handed over to occupy absolute component in electrical equipment on main line railway locomotive, motor-car, weight is big, volume
Greatly；Weight is increased by greatly axis weight, and axis is again bigger, and route cost is higher, and volume is big, and the preciousness for more occupying locomotive and motor-car is empty
Between, reduce power density and efficiency.Second is that intelligent control and automatic Pilot (ATC) replace pilot steering to be only way, but
It is under existing power train and power supply mode, to drive required control equipment and be installed on power train, power train is
It is mobile, even high-speed mobile, and the order of automatic Pilot (ATC) and tissue-derived in ground control centre, the two
Between cannot directly carry out, need wireless system to contact, and wireless system failure or failure will cause certain security risk.
In view of above-mentioned technical problem, inventor team, which proposes, " saves electric apparatus mounted on vehicle and the control by surface power supply
The new power supply mode of system ", the technical solution which is embodied mainly include two aspects: 1) saving vehicle-mounted traction
Transformer, traction convertor mitigate electric apparatus mounted on vehicle weight, drop low-axis-load, realize power train lightness, improve electric power column
Vehicle load-carrying efficiency improves locomotive and motor-car power density, adapts to higher speed operation；2) it is directly realized by by surface power supply to electricity
The automatic control of power train operation and unmanned.
Present technical problems to be solved are: how are controlled by power train sectional power supply so that power train is stable
Across two adjacent sectional power rails, realization does not power off excessive section.
Summary of the invention
In consideration of it, it is an object of the present invention to provide a kind of power train sectional power supply control system and its method, it can not only
Make power train smoothly across traveling between each sectional power supply rail, realization does not power off excessive section, but also can control
The acceleration and deceleration and start and stop of power train.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is specific as follows:
A kind of power train does not power off excessive section control system, is used for rail traffic three-phase power supply system, and the track is handed over
Logical three-phase power supply system includes three phase supply rail, the power rail be segmented into section 0, section 1, section 2, section 3 ... area
Between n, wherein the control system includes:
Variable-frequency variable-voltage equipment, specially 0 variable-frequency variable-voltage equipment of section, 1 variable-frequency variable-voltage equipment of section, 2 variable-frequency variable-voltage of section
Equipment, 3 variable-frequency variable-voltage equipment of section ... section n variable-frequency variable-voltage equipment, and respectively with the section 0, section 1, section 2, area
Between 3 ... section n is correspondingly connected with, for power train provide three phase mains；
Positioning unit, installation close to the power rail are segmented place, for obtain power train position and speed information,
The relative position of power train and the i-th power rail insulation layer；
Electronic switch, it is in parallel at the segmentation of the power rail, for the conducting and disconnection at the segmentation of the power rail；
Control system is transported on ground, and input terminal is connect with the variable-frequency variable-voltage equipment and the positioning unit respectively, is exported
End is connect with the variable-frequency variable-voltage equipment and the electronic switch respectively, for controlling power train start and stop and acceleration-deceleration.
Preferably, the section 0, section 1, section 2, section 3 ... at the segmentation between adjacent two section of section n
For the i-th power rail insulation layer, and i ∈ [0, (n-1)]；The i-th power rail insulation layer can be the first power rail insulation layer, the
Two power rail insulation layers, third power rail insulation layer, the 4th power rail insulation layer ... or the n-th power rail insulation layer.
Preferably, the positioning unit includes 0 positioning unit of section, 1 positioning unit of section, 2 positioning unit of section, section
3 positioning units ... section n positioning unit, 0 positioning unit of section, 1 positioning unit of section, 2 positioning unit of section, area
Between 3 positioning units ... section n positioning unit is successively installed respectively close to the section 0, section 1, section 2, section
3 ... the right end of section n.
It is further preferred that electronic switch includes the electronic switch of the first power rail insulation layer, the second power rail insulation layer
Electronic switch, the electronic switch of third power rail insulation layer, the 4th power rail insulation layer electronic switch ... the n-th power supply
The electronic switch of rail insulation layer, the electronic switch of the first power rail insulation layer, the electronic switch of the second power rail insulation layer, third
The electronic switch of power rail insulation layer, the 4th power rail insulation layer electronic switch ... the electronic cutting of the n-th power rail insulation layer
It closes, insulate respectively with the corresponding first power rail insulation layer, the second power rail insulation layer, the third power rail
Area, the 4th power rail insulation layer ... the n-th power rail insulation layer is in parallel.
Preferably, the ground fortune control system includes:
Data acquisition module, the electric current for acquiring the positioning unit signal and the variable-frequency variable-voltage equipment in real time are believed
Number；
Data processing module is connect with the data acquisition module, real for live signal conversion process and logical algorithm
It is existing；
Memory module is connect with the data processing module, for storing information in real time；
Communication module is connect with the data processing module, is used for the variable-frequency variable-voltage equipment and the electronic switch
Send control instruction.
It is further preferred that the data acquisition module connects with the positioning unit and the variable-frequency variable-voltage equipment respectively
It connects；The communication module is connect with the electronic switch and the variable-frequency variable-voltage equipment respectively.
Preferably, 0 positioning unit of section, 1 positioning unit of section, 2 positioning unit of section, section 3 position list
Member ... section n positioning unit is respectively position sensor.
In order to solve the above-mentioned technical problem, another technical solution of the present invention is specific as follows:
A kind of power train not powering off excessive section control system using power train described in above-mentioned technical proposal is continuous
Electricity crosses segmentation control method, wherein the control method comprises the following specific steps that:
Step 1: the output electric current I of power train position and speed information, section i variable-frequency variable-voltage equipment is obtained in real timeAi,
Wherein [0, (n-1)] i ∈；
Step 2: when power train runs to section (i+1) from the section area i transition, power train is obtained according to real-time
Position and speed, ground fortune control system judge whether power train enters the i-th power rail insulation layer；If so, ground fortune control system
The electronic switch triggering and conducting of system the i-th power rail insulation layer of control, section i variable-frequency variable-voltage equipment and section (i+1) variable-frequency variable-voltage
Equipment provides three phase mains to the i-th power rail insulation layer and section (i+1) jointly, when the output electricity of section i variable-frequency variable-voltage equipment
Flow IAiWhen being decreased to zero, the electronic switch of the i-th power rail insulation layer disconnects and independent by section (i+1) variable-frequency variable-voltage equipment automatically
It powers to section (i+1)；Conversely, then return step one.
Preferably, the section i variable-frequency variable-voltage equipment described in step 2 and section (i+1) variable-frequency variable-voltage equipment are jointly to
I power rail insulation layer and section (i+1) provide the method for three phase mains, specifically:
Ground fortune control system obtains the output voltage amplitude and phase information of section i variable-frequency variable-voltage equipment in real time, and in real time
Pass to section (i+1) variable-frequency variable-voltage equipment；
Synchronous averaging control interval (i+1) variable-frequency variable-voltage equipment is powered to the i-th power rail insulation layer and section (i+1), is made
Its output voltage amplitude and phase is identical as the output voltage amplitude of section i variable-frequency variable-voltage equipment and phase, remembers section i at this time
The output size of current of variable-frequency variable-voltage equipment is IA；
Synchronously control section (i+1) variable-frequency variable-voltage equipment exports electric current IAi+1It is gradually increased to IABecome with control interval i frequency conversion
Press the output electric current I of equipmentAiFrom electric current IAIt is decreased to zero；
As the output electric current I of section i variable-frequency variable-voltage equipmentAiWhen being decreased to zero, the electronic switch of the i-th power rail insulation layer is certainly
Dynamic circuit breaker is opened, while sending halt instruction to section i variable-frequency variable-voltage equipment, makes section i variable-frequency variable-voltage equipment downtime.
It is further preferred that section (i+1) the variable-frequency variable-voltage equipment exports electric current IAi+1Be gradually increased speed with it is described
The output electric current I of section i variable-frequency variable-voltage equipmentAiIt is equal to reduce speed.
Compared with prior art, the beneficial effects of the present invention are: above-mentioned technical proposal of the present invention is by using electronics
The variable-frequency variable-voltage equipment that switch, positioning unit and ground fortune control system carry out coordinated control adjacent interval passes through in power train divides
Cooperated power supply when section power supply transition region, is able to achieve " unaware " and crossing of not powering off is segmented, and economic cost substantially reduces, also for
Artificial intelligence is unmanned to create advantage.
Detailed description of the invention
Fig. 1 is the circuit theory schematic diagram that power train described in the embodiment of the present invention one does not power off excessive section control system.
Fig. 2 is the concrete structure schematic diagram that power train described in the embodiment of the present invention one does not power off excessive section control system.
Fig. 3 is enlarged view at I in Fig. 2.
Fig. 4 is the inner frame schematic diagram that power train described in the embodiment of the present invention one does not power off excessive section control system.
Fig. 5 is the basic flow chart that power train described in the embodiment of the present invention two does not power off excessive section control method.
Fig. 6 is to start to control the side that the electronic switch triggering of the i-th power rail insulation layer disconnects described in the embodiment of the present invention two
Method flow chart.
Specific embodiment
In order to be best understood from the invention, present invention work is further retouched with reference to the accompanying drawings and detailed description
It states.
Embodiment one
As depicted in figs. 1 and 2, a kind of power train does not power off excessive section control system, is used for rail traffic three phase supply
System, the rail traffic three-phase power supply system include three phase supply rail TR, and the power rail TR is segmented into section 0S0, area
Between 1S1, section 2S2, section 3S3... section nSn, wherein the control system includes variable-frequency variable-voltage equipment A, positioning unit
P, control system EC is transported on electronic switch K and ground.
The variable-frequency variable-voltage equipment A is specially 0 variable-frequency variable-voltage equipment A of section0, 1 variable-frequency variable-voltage equipment A of section1, section 2 become
Frequency potential device A2, 3 variable-frequency variable-voltage equipment A of section3... section n variable-frequency variable-voltage equipment An, and respectively with the section 0S0、
Section 1S1, section 2S2, section 3S3... section nSnIt is correspondingly connected with, for providing three phase mains to power train LC；It is described
Positioning unit P installation close to the power rail TR is segmented place, for obtain power train LC position and speed information and
Power train LC and the i-th power rail insulation layerRelative position；The segmentation of the electronic switch K and the power rail TR
Place is in parallel, for the conducting and disconnection at the segmentation of the power rail TR；The input terminal of ground fortune control system EC respectively with
The variable-frequency variable-voltage equipment A is connected with the positioning unit P, output end respectively with the variable-frequency variable-voltage equipment A and the electricity
Sub switch K connection, for controlling power train LC start and stop and acceleration-deceleration.
As shown in connection with fig. 3, the three phase supply rail TR of the rail traffic three-phase power supply system is by the first power rail TR1,
Two power rail TR2With third power rail TR3Composition, the first power rail TR1, the second power rail TR2With third power rail TR3Point
It Tong Guo not the first collector shoe CS1, the second collector shoe CS2With the three-phase drive on third collector shoe CS3 and the power train LC around
Group (not shown) connection.Therefore, in the embodiment of the present invention, in each section 0S0, section 1S1, section 2S2, section 3S3、……
Section nSnThe corresponding electronic switch K of the interior installation and positioning unit P is respectively three and is respectively arranged in and states first
Power rail TR1, the second power rail TR2With third power rail TR3On.
The section 0S0, section 1S1, section 2S2, section 3S3... section nSnAdjacent two section between segmentation at
For the i-th power rail insulation layerAnd i ∈ [0, (n-1)]；The i-th power rail insulation layerIt can be the first power supply
Rail insulation layerSecond power rail insulation layerThird power rail insulation layer4th power rail insulation layer... or the n-th power rail insulation layerIn embodiments of the present invention, which refers to adjacent twoth area
Between between connected by power rail sectionaliser and mutually insulated between section, but inventive concept is not limited and is only segmented by power rail
A kind of connection type of device, other can reach effect same or like with power rail sectionaliser can be with.
The positioning unit P includes 0 positioning unit P of section0, 1 positioning unit P of section1, 2 positioning unit P of section2, section 3
Positioning unit P3... section n positioning unit Pn, the 0 positioning unit P of section0, 1 positioning unit P of section1, section 2 position list
First P2, 3 positioning unit P of section3... section n positioning unit PnIt is successively installed respectively close to the section 0S0, section 1S1、
Section 2S2, section 3S3... section nSnRight end.In embodiments of the present invention, the 0 positioning unit P of section0, section 1 it is fixed
Bit location P1, 2 positioning unit P of section2, 3 positioning unit P of section3... section n positioning unit PnIt is respectively position sensing
Device.
The electronic switch K includes the electronic switch K of the first power rail insulation layer1, the second power rail insulation layer electronics
Switch K2, third power rail insulation layer electronic switch K3, the 4th power rail insulation layer electronic switch K4... the n-th power rail
The electronic switch K of insulation layern, the electronic switch K of the first power rail insulation layer1, the second power rail insulation layer electronic switch K2、
The electronic switch K of third power rail insulation layer3, the 4th power rail insulation layer electronic switch K4... the n-th power rail insulation layer
Electronic switch Kn, respectively with the corresponding first power rail insulation layerThe second power rail insulation layer
The third power rail insulation layerThe 4th power rail insulation layer... the n-th power rail insulation layerIt is in parallel.
As shown in figure 4, the ground fortune control system EC includes data acquisition module AD, data processing module DP, storage mould
Block ST and communication module CM, the data acquisition module AD become for acquiring the positioning unit P signal and the frequency conversion in real time
Press electric current, voltage and the frequency signal of the output of equipment A；The data processing module DP and data acquisition module AD connects
It connects, is realized for live signal conversion process and logical algorithm；The memory module ST is connect with the data processing module DP,
For storing information in real time；The communication module CM is connect with the data processing module DP, for setting to the variable-frequency variable-voltage
The standby A and electronic switch K sends control instruction.
The data acquisition module AD is connect with the positioning unit P and the variable-frequency variable-voltage equipment A respectively；The communication
Module CM is connect with the electronic switch K and the variable-frequency variable-voltage equipment A respectively.
Embodiment two
As shown in Figure 5 and Figure 6, the embodiment of the invention provides a kind of power trains not to power off excessive section control method,
In, which comprises the following specific steps that:
Step 1: power train LC position and speed information, section i variable-frequency variable-voltage equipment A are obtained in real timeiOutput electric current
IAi, wherein [0, (n-1)] i ∈；
Step 2: when power train LC is from section iSiTransition runs to section (i+1) Si+1When, electric power is obtained according to real-time
Train LC position and speed, ground fortune control system EC judge whether power train LC enters the i-th power rail insulation layerIf
It is that then ground fortune control system (EC) controls the electronic switch K of the i-th power rail insulation layeriTriggering and conducting, section i variable-frequency variable-voltage are set
Standby AiWith section (i+1) variable-frequency variable-voltage equipment Ai+1Jointly to the i-th power rail insulation layerWith section (i+1) Si+1There is provided three
Phase power supply, as section i variable-frequency variable-voltage equipment AiOutput electric current IAiWhen being decreased to zero, the electronic switch of the i-th power rail insulation layer
KiIt is automatic to disconnect and by section (i+1) variable-frequency variable-voltage equipment Ai+1Individually to section (i+1) Si+1Power supply；Conversely, then return step
One.
In embodiments of the present invention, the section i variable-frequency variable-voltage equipment A described in step 2iWith section (i+1) variable-frequency variable-voltage
Equipment Ai+1Jointly to the i-th power rail insulation layerWith section (i+1) Si+1The method of three phase mains is provided, specifically:
Ground fortune control system EC obtains section i variable-frequency variable-voltage equipment A in real timeiOutput voltage amplitude and phase information, and
Real-time delivery gives section (i+1) variable-frequency variable-voltage equipment Ai+1；
Synchronous averaging control interval (i+1) variable-frequency variable-voltage equipment Ai+1To the i-th power rail insulation layerWith section (i+1)
Si+1Power supply makes its output voltage amplitude and phase and section i variable-frequency variable-voltage equipment AiOutput voltage amplitude and phase phase
Together, section i variable-frequency variable-voltage equipment A is remembered at this timeiOutput size of current be IA；
Synchronously control section (i+1) variable-frequency variable-voltage equipment Ai+1Export electric current IAi+1It is gradually increased to IABecome with control interval i
Frequency potential device AiOutput electric current IAiFrom electric current IAIt is decreased to zero；
As section i variable-frequency variable-voltage equipment AiOutput electric current IAiWhen being decreased to zero, the electronic switch of the i-th power rail insulation layer
KiIt is automatic to disconnect, while to section i variable-frequency variable-voltage equipment AiHalt instruction is sent, section i variable-frequency variable-voltage equipment A is madeiIt shuts down.
In embodiments of the present invention, section (i+1) variable-frequency variable-voltage equipment (Ai+1) output electric current IAi+1It is gradually increased speed
Degree and the section i variable-frequency variable-voltage equipment (Ai) output electric current IAiIt is equal to reduce speed.
Embodiment for a better understanding of the present invention is now described as follows:
When power train LC is from the section area i SiTransition runs to section (i+1) Si+1When, control system EC is transported according to reality in ground
When obtain power train LC position and speed information, judge whether power train LC enters the i-th power rail insulation layer
Then the electronic switch K of the i-th power rail insulation layer is controllediTriggering and conducting, section i variable-frequency variable-voltage equipment AiThree phase mains is provided to arrive
Section (i+1) Si+1.At this point, the section i variable-frequency variable-voltage equipment A that ground fortune control system EC will be obtained in real timeiOutput voltage amplitude
And phase information, pass to section (i+1) variable-frequency variable-voltage equipment Ai+1, and start control interval (i+1) variable-frequency variable-voltage equipment Ai+1,
Make its output voltage amplitude and phase and section i variable-frequency variable-voltage equipment AiOutput voltage amplitude it is identical with phase.
Remember section i variable-frequency variable-voltage equipment A at this timeiOutput size of current be IA, control interval i variable-frequency variable-voltage equipment Ai's
Output electric current gradually decreases to zero, while control interval (i+1) variable-frequency variable-voltage equipment Ai+1Output electric current IAi+1Be gradually increased to
IA, and IAi+1Push the speed and IAiReduction speed it is equal.Control system EC is transported to section i variable-frequency variable-voltage equipment A in ground lateri
Send halt instruction, section i variable-frequency variable-voltage equipment AiIt shuts down, electric locomotive LC is by section (i+1) variable-frequency variable-voltage equipment Ai+1Individually
Power supply.
When next column power train runs to next section from a certain section transition, control system EC is transported to a certain area in ground
Between variable-frequency variable-voltage device, next section variable-frequency variable-voltage device and electronic switch K repeat above-mentioned control strategy, complete to electric power
The control of train, to realize that the train on whole working line does not power off excessive section control.
Due to only a power train being allowed to pass through in each section of above-mentioned power rail, control system EC is transported on ground should basis
The power train position signal in each section adjusts the output frequency and voltage of the variable-frequency variable-voltage equipment in each section, makes every
The power train relative position in a section is in the range of a setting.
Therefore, power train of the present invention does not power off excessive section control system and its method is able to achieve " unaware ", no
Crossing for power-off is segmented, and economic cost is low, also creates advantage for the driving of artificial Intelligent unattended.
Claims (10)
1. a kind of power train does not power off excessive section control system, it to be used for rail traffic three-phase power supply system, the rail traffic
Three-phase power supply system includes three phase supply rail (TR), and the power rail (TR) is segmented into 0 (S of section0), 1 (S of section1), section 2
(S2), 3 (S of section3) ... section n (Sn), which is characterized in that the control system includes:
Variable-frequency variable-voltage equipment (A), specially 0 variable-frequency variable-voltage equipment (A of section0), 1 variable-frequency variable-voltage equipment (A of section1), section 2 become
Frequency potential device (A2), 3 variable-frequency variable-voltage equipment (A of section3) ... section n variable-frequency variable-voltage equipment (An), and respectively with the area
Between 0 (S0), 1 (S of section1), 2 (S of section2), 3 (S of section3) ... section n (Sn) be correspondingly connected with, it is used for power train (LC)
Three phase mains is provided；
Positioning unit (P) is installed close at the segmentation between the power rail (TR) adjacent interval, for obtaining power train
(LC) position and speed information and power train (LC) and the i-th power rail insulation layerRelative position；
Electronic switch (K), it is in parallel at the segmentation of the power rail (TR), for the conducting at the segmentation of the power rail (TR)
And disconnection；
Control system (EC) is transported on ground, and input terminal is connect with the variable-frequency variable-voltage equipment (A) and the positioning unit (P) respectively,
Its output end is connect with the variable-frequency variable-voltage equipment (A) and the electronic switch (K) respectively, is opened for controlling power train (LC)
Stop and acceleration-deceleration.
2. a kind of power train according to claim 1 does not power off excessive section control system, which is characterized in that the section
0(S0), 1 (S of section1), 2 (S of section2), 3 (S of section3) ... section n (Sn) adjacent two section between segmentation at be i-th
Power rail insulation layerAnd i ∈ [0, (n-1)]；The i-th power rail insulation layerIt can be the first power supply
Rail insulation layerSecond power rail insulation layerThird power rail insulation layer4th power rail is exhausted
Edge area... or the n-th power rail insulation layer
3. a kind of power train according to claim 1 does not power off excessive section control system, which is characterized in that the positioning
Unit (P) includes 0 positioning unit (P of section0), 1 positioning unit (P of section1), 2 positioning unit (P of section2), 3 positioning unit of section
(P3) ... section n positioning unit (Pn), the 0 positioning unit (P of section0), 1 positioning unit (P of section1), section 2 position list
Member (P2), 3 positioning unit (P of section3) ... section n positioning unit (Pn) successively installed respectively close to the 0 (S of section0)、
1 (S of section1), 2 (S of section2), 3 (S of section3) ... section n (Sn) right end.
4. a kind of power train according to claim 2 does not power off excessive section control system, which is characterized in that electronic switch
(K) include the first power rail insulation layer electronic switch (K1), the electronic switch (K of the second power rail insulation layer2), third power supply
Electronic switch (the K of rail insulation layer3), the electronic switch (K of the 4th power rail insulation layer4) ... the electricity of the n-th power rail insulation layer
Sub switch (Kn), the electronic switch (K of the first power rail insulation layer1), the electronic switch (K of the second power rail insulation layer2), third
Electronic switch (the K of power rail insulation layer3), the electronic switch (K of the 4th power rail insulation layer4) ... the n-th power rail insulation layer
Electronic switch (Kn), respectively with the corresponding first power rail insulation layerThe second power rail insulation layerThe third power rail insulation layerThe 4th power rail insulation layer... described n-th
Power rail insulation layerIt is in parallel.
5. a kind of power train according to claim 1 does not power off excessive section control system, which is characterized in that the ground
Transporting control system (EC) includes:
Data acquisition module (AD), for acquiring the defeated of the positioning unit (P) signal and the variable-frequency variable-voltage equipment (A) in real time
Electric current, voltage and frequency signal out；
Data processing module (DP) is connect with the data acquisition module (AD), is calculated for live signal conversion process and logic
Method is realized；
Memory module (ST) is connect with the data processing module (DP), for storing information in real time；
Communication module (CM) is connect with the data processing module (DP), is used for the variable-frequency variable-voltage equipment (A) and the electricity
Sub switch (K) sends control instruction.
6. a kind of power train according to claim 5 does not power off excessive section control system, which is characterized in that the data
Acquisition module (AD) is connect with the positioning unit (P) and the variable-frequency variable-voltage equipment (A) respectively；The communication module (CM) point
It is not connect with the electronic switch (K) and the variable-frequency variable-voltage equipment (A).
7. a kind of power train according to claim 3 does not power off excessive section control system, which is characterized in that the section
0 positioning unit (P0), 1 positioning unit (P of section1), 2 positioning unit (P of section2), 3 positioning unit (P of section3) ... section n
Positioning unit (Pn) it is respectively position sensor.
8. a kind of do not power off excessive section control system using power train described in any one of the claims 1 to 7
Power train does not power off excessive section control method, which is characterized in that the control method comprises the following specific steps that:
Step 1: power train (LC) position and speed information, section i variable-frequency variable-voltage equipment (A are obtained in real timei) output electric current
IAi, wherein [0, (n-1)] i ∈；
Step 2: when power train (LC) is from the section area i (Si) transition runs to section (i+1) (Si+1) when, it is obtained according to real-time
Power train (LC) position and speed, ground fortune control system (EC) judge whether power train (LC) enters the i-th power rail and insulate
AreaIf so, ground fortune control system (EC) controls the electronic switch (K of the i-th power rail insulation layeri) triggering and conducting, area
Between i variable-frequency variable-voltage equipment (Ai) and segmentation (i+1) variable-frequency variable-voltage equipment (Ai+1) jointly to the i-th power rail insulation layer
With section (i+1) (Si+1) three phase supply is provided, as section i variable-frequency variable-voltage equipment (Ai) output electric current IAiWhen being decreased to zero, the
Electronic switch (the K of i power rail insulation layeri) disconnect automatically and by section (i+1) variable-frequency variable-voltage equipment (Ai+1) individually to section (i
+1)(Si+1) power supply；Conversely, then return step one.
9. a kind of power train according to claim 8 does not power off excessive section control method, which is characterized in that in step 2
Described in section i variable-frequency variable-voltage equipment (Ai) and section (i+1) variable-frequency variable-voltage equipment (Ai+1) jointly to the i-th power rail insulation layerWith section (i+1) (Si+1) method of three phase supply is provided, specifically:
It transports control system (EC) and obtains section i variable-frequency variable-voltage equipment (A in real time in groundi) output voltage amplitude and phase information, and it is real
When pass to section (i+1) variable-frequency variable-voltage equipment (Ai+1)；
Synchronous averaging control interval (i+1) variable-frequency variable-voltage equipment (Ai+1) to the i-th power rail insulation layerWith section (i+
1)(Si+1) power supply, make its output voltage amplitude and phase and section i variable-frequency variable-voltage equipment (Ai) output voltage amplitude and phase
Position is identical, remembers section i variable-frequency variable-voltage equipment (A at this timei) output size of current be IA；
Synchronously control section (i+1) variable-frequency variable-voltage equipment (Ai+1) output electric current IAi+1It is gradually increased to IAWith control interval i frequency conversion
Potential device (Ai) output electric current IAiFrom electric current IAIt is decreased to zero；
As section i variable-frequency variable-voltage equipment (Ai) output electric current IAiWhen being decreased to zero, the electronic switch of the i-th power rail insulation layer
(Ki) it is automatic disconnect, while to section i variable-frequency variable-voltage equipment (Ai) halt instruction is sent, make section i variable-frequency variable-voltage equipment (Ai) stop
Machine.
10. a kind of power train according to claim 9 does not power off excessive section control method, which is characterized in that the area
Between (i+1) variable-frequency variable-voltage equipment (Ai+1) output electric current IAi+1It is gradually increased speed and the section i variable-frequency variable-voltage equipment (Ai)
Export electric current IAiIt is equal to reduce speed.
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