CN209191700U - A kind of motor-car trailer system of multi-standard power supply - Google Patents
A kind of motor-car trailer system of multi-standard power supply Download PDFInfo
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- CN209191700U CN209191700U CN201822038028.0U CN201822038028U CN209191700U CN 209191700 U CN209191700 U CN 209191700U CN 201822038028 U CN201822038028 U CN 201822038028U CN 209191700 U CN209191700 U CN 209191700U
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Abstract
The utility model embodiment provides a kind of motor-car trailer system of multi-standard power supply, comprising: exchange pantograph, direct current pantograph, disconnecting switch, ac high-voltage case, high direct voltage case, tractive transformer, traction AuCT and traction electric machine.Wherein, ac high-voltage case is connected with pantograph is exchanged, and disconnecting switch is connected with direct current pantograph, and high direct voltage case is connected with disconnecting switch.Tractive transformer is connected with ac high-voltage case and high direct voltage case, and the primary side of tractive transformer is connected with earthing or grounding means, and the primary side of tractive transformer and ground terminal are provided with current transformer.The input terminal of traction AuCT is connected with tractive transformer, and output end is connected with traction electric machine.As it can be seen that scheme had not only been able to achieve the power supply of AC system formula, but also was able to achieve the power supply of direct current standard, the diversity of EMU is improved.Except this, circuit footprint can also be saved, economic performance is improved using the secondary side winding of tractive transformer as flat wave reactance.
Description
Technical field
The utility model relates to motor-car technical fields, and in particular to a kind of motor-car trailer system of multi-standard power supply.
Background technique
Currently, motor train unit traction system only has a kind of power supply system, for example, using 25kV power supply system, by motor-car
Tractive transformer in group carries out voltage transformation, then by transformed voltage input traction convertor, through over commutation, inversion,
It exports to traction electric machine, and then is embodied as the power supply of traction electric machine.
However as the fast development of EMU, single power supply system limits the diversity of EMU, therefore, how
A kind of motor-car trailer system of multi-standard power supply is provided, the diversity of EMU is improved, is that those skilled in the art are urgently to be resolved
A big technical problem.
Utility model content
In view of this, the utility model embodiment provides a kind of motor-car trailer system of multi-standard power supply, can be improved
The diversity of EMU.
To achieve the above object, the utility model embodiment provides the following technical solutions:
A kind of motor-car trailer system of multi-standard power supply, comprising: exchange pantograph, direct current pantograph, disconnecting switch, exchange
High-voltaghe compartment, high direct voltage case, tractive transformer, traction AuCT and traction electric machine,
The ac high-voltage case is connected with the pantograph that exchanges, for detecting the first electricity for flowing through the exchange pantograph
Whether pressure and the first electric current are Alternating Current Power Supply parameter, exchange pantograph with described if not, disconnecting the ac high-voltage case;
The disconnecting switch is connected with the direct current pantograph, for judging that the voltage form in the direct current pantograph is
It is no be non-dc standard when, if so, disconnecting the disconnecting switch and the direct current pantograph;
The high direct voltage case is connected with the disconnecting switch, for detect flow through the second voltage of the disconnecting switch with
And second electric current whether be direct current supply parameter, if not, disconnecting the high direct voltage case and the disconnecting switch;
The tractive transformer is connected with the ac high-voltage case and the high direct voltage case, the tractive transformer
Primary side is connected with earthing or grounding means, and the primary side of the tractive transformer and ground terminal are provided with current transformer;
The input terminal of the traction AuCT is connected with the tractive transformer, output end and the traction electric machine phase
Even.
Optionally, the disconnecting switch includes: overcurrent detecting device and overcurrent protective device,
The overcurrent detecting device is connected with the direct current pantograph, for detecting described in the direct current pantograph
Whether one electric current is higher than the first current threshold, if so, sending warning message;
The overcurrent protective device is connected with the overcurrent detecting device, for being based on the warning message, described in disconnection
Overcurrent protective device and the overcurrent detecting device.
Optionally, further includes: alarm device,
The alarm device is connected with the disconnecting switch, is based on the warning message, sounds an alarm.
Optionally, the high direct voltage case includes: direct current voltage sensor, DC current sensor and direct current interruption
Device,
The direct current voltage sensor is connected with the disconnecting switch, for detecting the second electricity for flowing through the disconnecting switch
Whether pressure meets DC voltage requirement, if not, sending DC voltage pre-warning signal;
The DC current sensor is connected with the disconnecting switch and the direct current voltage sensor, for detecting
Whether the second electric current for flowing through the disconnecting switch meets DC current requirement, if not, sending DC current pre-warning signal;
The dc circuit breaker is connected with the DC current sensor, for being based on the DC voltage pre-warning signal
And/or the DC current pre-warning signal, disconnect the high direct voltage case and the disconnecting switch.
Optionally, the ac high-voltage case includes: AC voltage transformer, AC current transformer and alternating current interruption
Device,
The AC voltage transformer is connected with the pantograph that exchanges, for detecting the institute for flowing through the exchange pantograph
State whether first voltage meets alternating voltage requirement, if not, sending alternating voltage pre-warning signal;
The AC current transformer and pantograph and the AC voltage transformer of exchanging are connected, for examining
Whether flow measurement meets alternating current requirement through first electric current of the exchange pantograph, if not, it is pre- to send alternating current
Alert signal;
The AC circuit breaker is connected with the AC current transformer, for being based on the alternating voltage pre-warning signal
And/or the alternating current pre-warning signal, the ac high-voltage case, which is disconnected, with described exchanges pantograph.
Optionally, the overcurrent protective device includes direct current arrester.
Optionally, further includes: alarm set,
The alarm set is connected with the disconnecting switch, based on the type of the warning message, issues alerting signal.
Optionally, the exchange pantograph be exchange 25KV pantograph, the direct current pantograph be direct current 750V pantograph,
Direct current 1.5KV pantograph or direct current 3KV pantograph.
Based on the above-mentioned technical proposal, the utility model embodiment provides a kind of motor-car trailer system of multi-standard power supply,
It include: exchange pantograph, direct current pantograph, disconnecting switch, ac high-voltage case, high direct voltage case, tractive transformer, traction auxiliary
Current transformer and traction electric machine.Wherein, the ac high-voltage case is connected with the pantograph that exchanges, and flows through the friendship for detecting
Flow pantograph first voltage and the first electric current whether be Alternating Current Power Supply parameter, if not, disconnect the ac high-voltage case with
The exchange pantograph.The disconnecting switch is connected with the direct current pantograph, for judging the electricity in the direct current pantograph
When whether pressing type is non-dc standard, if so, disconnecting the disconnecting switch and the direct current pantograph.The high direct voltage
Case is connected with the disconnecting switch, for detecting the second voltage for flowing through the disconnecting switch and whether the second electric current is direct current
Power supply parameter, if not, disconnecting the high direct voltage case and the disconnecting switch.The tractive transformer and the ac high-voltage
Case and the high direct voltage case are connected, and the primary side of the tractive transformer is connected with earthing or grounding means, and the tractive transformer
Primary side and ground terminal be provided with current transformer.The input terminal of the traction AuCT and the tractive transformer phase
Even, output end is connected with the traction electric machine.As it can be seen that scheme provides a kind of motor-car trailer system of multi-standard power supply, improve
The diversity of EMU.Except this, it can also save circuit using the secondary side winding of tractive transformer as flat wave reactance and occupy sky
Between, improve economic performance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of the motor-car trailer system of multi-standard power supply provided by the embodiment of the utility model;
Fig. 2 is a kind of schematic diagram of the specific implementation structure of disconnecting switch provided in this embodiment;
Fig. 3 is a kind of schematic diagram of the specific implementation structure of the high direct voltage case provided in the present embodiment;
Fig. 4 is a kind of schematic diagram of the specific implementation structure of the ac high-voltage case provided in the present embodiment;
Fig. 5 is a kind of structural schematic diagram of the motor-car trailer system of multi-standard power supply provided in this embodiment;
Fig. 6 is a kind of another structural schematic diagram of the motor-car trailer system of multi-standard power supply provided in this embodiment;
Fig. 7 is the physical circuit figure for present embodiments providing a kind of motor-car trailer system of multi-standard power supply.
Specific embodiment
Inventors have found that current motor train unit traction system only has a kind of power supply system, made for example, being powered using 25kV
Formula carries out voltage transformation by the tractive transformer in EMU, then by transformed voltage input traction convertor, passes through
Rectification, inversion, output to traction electric machine, and then it is embodied as the power supply of traction electric machine.
However as the fast development of EMU, single power supply system limits the diversity of EMU, more to existing
Supply network under kind power supply system, is unable to satisfy the demand across power supply system transport.
Based on this, a kind of motor-car trailer system of multi-standard power supply is present embodiments provided, referring to Fig. 1, Fig. 1 is this reality
With the structural schematic diagram for the motor-car trailer system that a kind of multi-standard that new embodiment provides is powered.The motor-car of multi-standard power supply
Trailer system include: exchange pantograph 11, direct current pantograph 12, disconnecting switch 13, ac high-voltage case 14, high direct voltage case 15,
Tractive transformer 16, traction AuCT 17 and traction electric machine 18.
Wherein, the ac high-voltage case is connected with the pantograph that exchanges, and flows through the exchange pantograph for detecting
Whether first voltage and the first electric current are Alternating Current Power Supply parameter, if not, disconnect the ac high-voltage case with it is described exchange by
Pantograph.
The disconnecting switch is connected with the direct current pantograph, for judging that the voltage form in the direct current pantograph is
It is no be non-dc standard when, if so, disconnecting the disconnecting switch and the direct current pantograph.
The high direct voltage case is connected with the disconnecting switch, for detect flow through the second voltage of the disconnecting switch with
And second electric current whether be direct current supply parameter, if not, disconnecting the high direct voltage case and the disconnecting switch.
The tractive transformer is connected with the ac high-voltage case and the high direct voltage case, the tractive transformer
Primary side is connected with earthing or grounding means, and the primary side of the tractive transformer and ground terminal are provided with current transformer.
The input terminal of the traction AuCT is connected with the tractive transformer, output end and the traction electric machine phase
Even.
Specifically, pantograph is to obtain electricity from contact net for power supplying for the electrically-driven car including high-speed rail, motor-car
The electrical equipment of energy, is typically mounted on locomotive or motor-car roof.Pantograph can be divided to single armed bow and both arms to bend two kinds, by cunning
The components compositions such as plate, upper frame, lower arm rod (both arms bow lower frame), chassis, rising bow spring, drive cylinder, support insulator.
Wherein, direct current pantograph is used to obtain the power supply of direct current standard from contact net for power supplying.Exchange pantograph be used for from
The power supply of exchange standard is obtained in contact net for power supplying.In the present embodiment, while there is exchange pantograph and direct current pantograph,
So that this motor-car trailer system, which has, is able to carry out multi-standard power supply.
It should be noted that in the present embodiment, exchanging pantograph and direct current pantograph can be one in front and one in back arranged, also
It can be set in the same horizontal line, herein and be not specifically limited, can arbitrarily be arranged according to the actual situation.
Wherein, the exchange pantograph can be exchange 25KV pantograph, and the direct current pantograph can be direct current 750V
Pantograph, direct current 1.5KV pantograph or direct current 3KV pantograph.Specifically, usually using exchange 25KV's in exchange standard
Power supply, usually using direct current 750V pantograph, direct current 1.5KV pantograph, direct current 3KV pantograph and exchange in direct current standard
25KV pantograph.Wherein, different voltages represent pantograph can bear corresponding supply voltage for a long time.
Disconnecting switch is connected with direct current pantograph, for judging whether to have flowed into the power supply of non-dc standard, and is determining
It as a result is when being, to disconnect the connection with direct current pantograph.
As shown in Fig. 2, a kind of specific implementation structure of disconnecting switch is provided in the present embodiment, the disconnecting switch packet
It includes: overcurrent detecting device 21 and overcurrent protective device 22.
Wherein, the overcurrent detecting device is connected with the direct current pantograph, for detecting in the direct current pantograph
Whether first electric current is higher than the first current threshold, if so, sending warning message.
The overcurrent protective device is connected with the overcurrent detecting device, for being based on the warning message, described in disconnection
Overcurrent protective device and the overcurrent detecting device.
Schematically, overcurrent detecting device is connected with direct current pantograph, for detecting whether the electric current flowed through is more than default
Range sends overcurrent alarm signal if being more than.Overcurrent protective device is connected with overcurrent detecting device is handed over, for receiving
The connection with overcurrent detecting device is disconnected after overcurrent alarm signal.
Disconnecting switch comprising overcurrent detecting device and overcurrent protective device is connected with direct current pantograph, utilizes over-current detection
Device differentiates whether the electric current transmitted from direct current pantograph is more than current range that original direct current standard power supply station provides, and
When detecting that flowing through electric current herein is more than the preset range of the electric current, overcurrent alarm signal is issued, to utilize overcurrent protection
Device disconnects the connection with overcurrent detecting device when receiving the overcurrent alarm signal automatically.
When introducing the power supply of exchange standard in direct current pantograph, the supply current of standard is exchanged much larger than direct current standard
Supply current, therefore can determine whether wrong electricity by carrying out over-current detection.Specifically, overcurrent inspection can be undertaken
The component of brake is varied, can be with flexible choice component the most suitable.Overcurrent protective device can be using such as
The similar component such as direct current arrester.
High direct voltage case is connected with disconnecting switch, and whether meeting direct current supply for detecting the voltage and current flowed through wants
It asks, and disconnects the connection with disconnecting switch when not meeting direct current supply requirement.
Ac high-voltage case is connected with pantograph is exchanged, and whether meets Alternating Current Power Supply for detecting the voltage and current flowed through and wants
It asks, and is disconnected and the connection that exchanges pantograph when not meeting Alternating Current Power Supply requirement.
Wherein, the main function of high direct voltage case and ac high-voltage case is whether the voltage and current that detection flows through herein accords with
Corresponding standard power reguirements are closed, and are disconnected and upper one layer of connection when not meeting power reguirements.Undesirable represent passes
The defeated electric energy to come is abnormal, causes abnormal reason that may have very much, such as intermediate some component failure, upper layer abnormal electrical power supply
Etc., because undesirable power supply possibly can not finally obtain what driving train advanced normal through subsequent processing steps
Tractive force.
As shown in figure 3, a kind of specific implementation structure of high direct voltage case is provided in the present embodiment, the high direct voltage luggage
It includes: direct current voltage sensor 31, DC current sensor 32 and dc circuit breaker 33.
Wherein, the direct current voltage sensor is connected with the disconnecting switch, flows through the disconnecting switch for detecting
Whether second voltage meets DC voltage requirement, if not, sending DC voltage pre-warning signal;
The DC current sensor is connected with the disconnecting switch and the direct current voltage sensor, for detecting
Whether the second electric current for flowing through the disconnecting switch meets DC current requirement, if not, sending DC current pre-warning signal;
The dc circuit breaker is connected with the DC current sensor, for being based on the DC voltage pre-warning signal
And/or the DC current pre-warning signal, disconnect the high direct voltage case and the disconnecting switch.
Correspondingly, the class in the component and high direct voltage case that include in corresponding ac high-voltage case under exchange standard power supply
Seemingly, component only need to be all changed to exchange standard.As shown in figure 4, the ac high-voltage case includes: that alternating voltage is mutual
Sensor 41, AC current transformer 42 and AC circuit breaker 43.
Wherein, the AC voltage transformer is connected with the pantograph that exchanges, and flows through the exchange by electricity for detecting
Whether the first voltage of bow meets alternating voltage requirement, if not, sending alternating voltage pre-warning signal;
The AC current transformer and pantograph and the AC voltage transformer of exchanging are connected, for examining
Whether flow measurement meets alternating current requirement through first electric current of the exchange pantograph, if not, it is pre- to send alternating current
Alert signal;
The AC circuit breaker is connected with the AC current transformer, for being based on the alternating voltage pre-warning signal
And/or the alternating current pre-warning signal, the ac high-voltage case, which is disconnected, with described exchanges pantograph.
Tractive transformer is connected with alternating voltage case, and the grounded device of traction convertor primary side is by rail return current to power transformation
It stands, for reducing the supply voltage for the exchange standard that transmission comes.It is mutual that electric current is provided in tractive transformer primary side and ground terminal
Sensor, the differential protection for tractive transformer.
Under DC mode, make flat wave reactance using the tractive winding of tractive transformer, effectively reduce the weight of locomotive, saves
Equipment arrangement space is realized by current transformer internal multi-stage change-over switch.
Its input terminal of AuCT is connected with tractive transformer, output end is connected with traction electric machine for traction, for leading
Draw the power supply that transformer transmission comes and carry out auxiliary converter processing, obtains the traction voltage that traction electric machine uses.
Traction electric machine, for traction voltage to be converted to corresponding tractive force.
As it can be seen that scheme provides a kind of motor-car trailer system of multi-standard power supply, the diversity of EMU is improved.Except this,
Circuit footprint can also be saved, economic performance is improved using the secondary side winding of tractive transformer as flat wave reactance.
On the basis of the above embodiments, as shown in figure 5, present embodiments providing the motor-car traction system of multi-standard power supply
System, further includes: alarm device 51.
Wherein, the alarm device is connected with the disconnecting switch, is based on the warning message, sounds an alarm.
I.e., it is possible to the overcurrent alarm signal is transmitted to train operator room, so that train driving personnel are receiving the overcurrent
Power supply system is changed after alarm signal in time, changes the power supply system of mistake in time from source, when so that direct current pantograph is not long
Between receiving exchange standard high voltage supply, be able to ascend the service life of component.
On the basis of the above embodiments, as shown in fig. 6, present embodiments providing the motor-car traction system of multi-standard power supply
System, further includes: alarm set 61.
Wherein, the alarm set is connected with the disconnecting switch, based on the type of the warning message, issues and reminds letter
Number.
That is, different alerting signals is issued according to the type of the alarm signal received by the alarm set, it is more convenient
There are driving errors to avoid diverting one's attention in the judgement of driver.
Specifically, as shown in fig. 7, present embodiments providing a kind of physical circuit of the motor-car trailer system of multi-standard power supply
Figure.
To sum up, the utility model embodiment provides a kind of motor-car trailer system of multi-standard power supply, comprising: exchange is by electricity
Bow, direct current pantograph, disconnecting switch, ac high-voltage case, high direct voltage case, tractive transformer draw AuCT and lead
Draw motor.Wherein, the ac high-voltage case is connected with the pantograph that exchanges, and described exchanges the of pantograph for detect to flow through
Whether one voltage and the first electric current are Alternating Current Power Supply parameter, are exchanged with described by electricity if not, disconnecting the ac high-voltage case
Bow.The disconnecting switch is connected with the direct current pantograph, for judge the voltage form in the direct current pantograph whether be
When non-dc standard, if so, disconnecting the disconnecting switch and the direct current pantograph.The high direct voltage case is isolated with described
Switch is connected, for detecting the second voltage for flowing through the disconnecting switch and whether the second electric current is direct current supply parameter, such as
Fruit is no, disconnects the high direct voltage case and the disconnecting switch.The tractive transformer and the ac high-voltage case and described
High direct voltage case be connected, the primary side of the tractive transformer is connected with earthing or grounding means, and the primary side of the tractive transformer and
Ground terminal is provided with current transformer.The input terminal of the traction AuCT is connected with the tractive transformer, output end
It is connected with the traction electric machine.As it can be seen that scheme provides a kind of motor-car trailer system of multi-standard power supply, the more of EMU are improved
Sample.Except this, circuit footprint can also be saved, warp is improved using the secondary side winding of tractive transformer as flat wave reactance
Ji performance.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of the utility model.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of motor-car trailer system of multi-standard power supply characterized by comprising exchange pantograph, direct current pantograph, isolation
Switch, ac high-voltage case, high direct voltage case, tractive transformer, traction AuCT and traction electric machine,
The ac high-voltage case is connected with the pantograph that exchanges, when the first voltage and first for flowing through the exchange pantograph
When electric current is non-alternating power supply parameter, the ac high-voltage case is disconnected with described and exchanges pantograph;
The disconnecting switch is connected with the direct current pantograph, when the voltage form in the direct current pantograph is non-dc standard
When, disconnect the disconnecting switch and the direct current pantograph;
The high direct voltage case is connected with the disconnecting switch, when the second voltage for flowing through the disconnecting switch and the second electric current
For non-dc power supply parameter, the high direct voltage case and the disconnecting switch are disconnected;
The tractive transformer is connected with the ac high-voltage case and the high direct voltage case, the primary side of the tractive transformer
It is connected with earthing or grounding means, and the primary side of the tractive transformer and ground terminal are provided with current transformer;
The input terminal of the traction AuCT is connected with the tractive transformer, and output end is connected with the traction electric machine.
2. the motor-car trailer system of multi-standard power supply according to claim 1, which is characterized in that the disconnecting switch packet
It includes: overcurrent detecting device and overcurrent protective device,
The overcurrent detecting device is connected with the direct current pantograph, when first electric current in the direct current pantograph is higher than
When the first current threshold, warning message is sent;
The overcurrent protective device is connected with the overcurrent detecting device, is based on the warning message, disconnects the overcurrent protection
Device and the overcurrent detecting device.
3. the motor-car trailer system of multi-standard power supply according to claim 2, which is characterized in that further include: alarm device,
The alarm device is connected with the disconnecting switch, is based on the warning message, sounds an alarm.
4. the motor-car trailer system of multi-standard power supply according to claim 1, which is characterized in that the high direct voltage luggage
It includes: direct current voltage sensor, DC current sensor and dc circuit breaker,
The direct current voltage sensor is connected with the disconnecting switch, when the second voltage for flowing through the disconnecting switch is not met directly
Galvanic electricity pressure request sends DC voltage pre-warning signal;
The DC current sensor is connected with the disconnecting switch and the direct current voltage sensor, when flow through it is described every
When leaving the second electric current of pass and not meeting DC current requirement, DC current pre-warning signal is sent;
The dc circuit breaker is connected with the DC current sensor, based on the DC voltage pre-warning signal and/or described
DC current pre-warning signal disconnects the high direct voltage case and the disconnecting switch.
5. the motor-car trailer system of multi-standard power supply according to claim 1, which is characterized in that the ac high-voltage luggage
It includes: AC voltage transformer, AC current transformer and AC circuit breaker,
The AC voltage transformer is connected with the pantograph that exchanges, when the first voltage for flowing through the exchange pantograph
When not meeting alternating voltage requirement, alternating voltage pre-warning signal is sent;
The AC current transformer and pantograph and the AC voltage transformer of exchanging are connected, described when flowing through
When first electric current of exchange pantograph does not meet alternating current requirement, alternating current pre-warning signal is sent;
The AC circuit breaker is connected with the AC current transformer, based on the alternating voltage pre-warning signal and/or described
Alternating current pre-warning signal disconnects the ac high-voltage case with described and exchanges pantograph.
6. the motor-car trailer system of multi-standard power supply according to claim 2, which is characterized in that the overcurrent protective device
Including direct current arrester.
7. the motor-car trailer system of multi-standard power supply according to claim 2, which is characterized in that further include: alarm set,
The alarm set is connected with the disconnecting switch, based on the type of the warning message, issues alerting signal.
8. the motor-car trailer system of multi-standard according to claim 1 power supply, which is characterized in that the exchange pantograph is
25KV pantograph is exchanged, the direct current pantograph is direct current 750V pantograph, direct current 1.5KV pantograph or direct current 3KV pantograph.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822038028.0U CN209191700U (en) | 2018-12-05 | 2018-12-05 | A kind of motor-car trailer system of multi-standard power supply |
SG11201911894YA SG11201911894YA (en) | 2018-12-05 | 2018-12-10 | Multi-Power Supply Mode Traction System For Multiple-Unit Train |
PCT/CN2018/120148 WO2020113602A1 (en) | 2018-12-05 | 2018-12-10 | Power car traction system supporting multiple power supply modes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822038028.0U CN209191700U (en) | 2018-12-05 | 2018-12-05 | A kind of motor-car trailer system of multi-standard power supply |
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CN209191700U true CN209191700U (en) | 2019-08-02 |
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CN201822038028.0U Active CN209191700U (en) | 2018-12-05 | 2018-12-05 | A kind of motor-car trailer system of multi-standard power supply |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110014845A (en) * | 2018-12-05 | 2019-07-16 | 中车长春轨道客车股份有限公司 | A kind of motor-car trailer system of multi-standard power supply |
EP4234318A4 (en) * | 2020-10-28 | 2024-04-17 | Zhuzhou CRRC Times Electric Co., Ltd. | Method and system for switching power supply mode of multi-current train, and related component |
-
2018
- 2018-12-05 CN CN201822038028.0U patent/CN209191700U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110014845A (en) * | 2018-12-05 | 2019-07-16 | 中车长春轨道客车股份有限公司 | A kind of motor-car trailer system of multi-standard power supply |
EP4234318A4 (en) * | 2020-10-28 | 2024-04-17 | Zhuzhou CRRC Times Electric Co., Ltd. | Method and system for switching power supply mode of multi-current train, and related component |
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