CN104184178A - Train renewable energy absorbing apparatus and system - Google Patents
Train renewable energy absorbing apparatus and system Download PDFInfo
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- CN104184178A CN104184178A CN201310199907.0A CN201310199907A CN104184178A CN 104184178 A CN104184178 A CN 104184178A CN 201310199907 A CN201310199907 A CN 201310199907A CN 104184178 A CN104184178 A CN 104184178A
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Abstract
The invention provides a train renewable energy absorbing apparatus and system. The apparatus comprises: a voltage boost and reduction module, which is used for carrying out voltage reduction processing on a first voltage outputted by a power grid and then inputting the processed first voltage to a charging and discharging module under the control of a control module or is used for carrying out boost processing on a second voltage outputted by the charging and discharging module and then inputting the processed second voltage to the power grid; the charging and discharging module, which is used for receiving the first voltage after the voltage reduction processing by the voltage boost and reduction module or outputting the second voltage to the voltage boost and reduction module,; and the control module, which is used for receiving a charging instruction from a train traction system, controlling the voltage boost and reduction module to carry out voltage reduction on the first voltage and controlling the charging and discharging module to carry out charging or receiving a charging instruction from the train traction system, controlling the charging and discharging module to carry out discharging and controlling the voltage boost and reduction module to carry out boost processing on the second voltage. According to the method and system, on the basis of charging and discharging of the charging and discharging module, wasting of the renewable energy generated by train braking can be prevented.
Description
Technical field
The present invention relates to train traction system, relate in particular to a kind of train Regenerative Energy Absorption Equipment and system.
Background technology
In prior art, train can produce a certain amount of regenerative electric energy when entering the station braking, this part regenerative electric energy (is generally 20%～80% except certain proportion, according to the difference of train operation density and zone distance and different) by other adjacent trains, absorbed outside, remainder will be mainly by the brake resistance of train, the mode with heating consumes.
Yet the frequency of city railway train braking is very high, during long-time running, the electric energy of waste is considerable.
Summary of the invention
The invention provides a kind of train Regenerative Energy Absorption Equipment and system, the regenerative electric energy producing to make full use of train braking.
On the one hand, the invention provides a kind of train Regenerative Energy Absorption Equipment, comprising:
Buck module for receiving the first voltage of electrical network output, and carries out inputing to charge-discharge modules after step-down processing to described the first voltage under the control of control module; Or, the second voltage of output while receiving the electric discharge of described charge-discharge modules, and under the control of described control module, described second voltage is boosted after processing and inputs to described electrical network;
Described charge-discharge modules, for receiving the first voltage after described buck module step-down is processed under the control of described control module; Or, under the control of described control module, to described buck module, export described second voltage;
Described control module, for receiving the charging instruction of train traction system, controls described buck module and described the first voltage is carried out to described step-down processing and control described charge-discharge modules charging; Or, receive the electric discharge instruction of described train traction system, control described charge-discharge modules and discharge and control the processing of boosting described in described second voltage is carried out of described buck module.
On the other hand, the invention provides a kind of train regenerative electric energy absorption system, comprising: electrical network, train traction system and train Regenerative Energy Absorption Equipment as above, wherein:
Described electrical network, the first voltage producing for receiving the train braking of described train traction system output, and export described the first voltage to described train Regenerative Energy Absorption Equipment; Or, for receiving the second voltage through boosting after processing of described train Regenerative Energy Absorption Equipment output, and to the described second voltage through boosting after processing of described train traction system output;
Described train traction system, for when the train braking, described the first voltage that train braking is produced inputs to described electrical network, and the control module in described train Regenerative Energy Absorption Equipment is sent charging instruction; Or when train traction, the control module in described train Regenerative Energy Absorption Equipment is sent electric discharge instruction, and receive the described second voltage through boosting after processing that described electrical network is exported.
Train Regenerative Energy Absorption Equipment provided by the invention and system, when train braking, by charge-discharge modules, absorb the regenerative electric energy that train braking produces, the regenerative electric energy that discharges train braking generation by charge-discharge modules when train traction, for train traction, has been avoided the waste of the regenerative electric energy of train braking generation.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of train Regenerative Energy Absorption Equipment provided by the invention;
Fig. 2 is the structural representation of another embodiment of train Regenerative Energy Absorption Equipment provided by the invention;
Fig. 3 is the structural representation of an embodiment of train regenerative electric energy absorption system provided by the invention.
Embodiment
Below by specific embodiment and accompanying drawing, technical scheme of the present invention is described in further detail.
Fig. 1 is the structural representation of an embodiment of train Regenerative Energy Absorption Equipment provided by the invention.As shown in Figure 1, this device can comprise: buck module 11, charge-discharge modules 12 and control module 13, wherein:
Buck module 11 for receiving the first voltage of electrical network output, and carries out inputing to charge-discharge modules 12 after step-down processing to the first voltage under the control of control module 13; Or, the second voltage of output while receiving charge-discharge modules 12 electric discharge, and under the control of control module 13, second voltage is boosted after processing and inputs to electrical network;
Charge-discharge modules 12, for receiving the first voltage after 11 step-downs of buck module are processed under the control in control module 13; Or, under the control of control module 13, to buck module 11, export second voltages;
Control module 13, for receiving the charging instruction of train traction system, controls 11 pairs of the first voltages of buck module and carries out step-down processing and control charge-discharge modules charging 12; Or, receive the electric discharge instruction of train traction system, control charge-discharge modules 12 and discharge and control the processing of boosting of 11 pairs of second voltages of buck module.
Concrete, when train braking, it is in electrical network that the regenerative electric energy that train traction system produces train braking feeds back to train power supply network, thereby line voltage is raise, wherein, the regenerative electric energy that train braking produces feeds back in electrical network with the form of the first voltage, thereby makes electrical network export this first voltage.Train traction system is sent charging instruction to control module 13 simultaneously; Control module 13 receives after this charging instruction, the first voltage of the electrical network output that 11 pairs of control buck modules receive carries out step-down processing, to generate suitable charging voltage, input to charge-discharge modules 12, control charge-discharge modules 12 simultaneously and receive the first voltage after 11 step-downs of buck module are processed, and complete charging process.
When train traction, train traction system is sent electric discharge instruction to control module 13, control module 13 receives after this electric discharge instruction, control charge-discharge modules 12 electric discharges, the processing of boosting of the second voltage of simultaneously controlling 11 pairs of charge-discharge modules that receive of buck module 12 electric discharge output, inputs to electrical network to generate suitable voltage; Electrical network provides electric energy to train traction system, for train traction system, train is drawn.
Wherein, charge-discharge modules is specifically as follows the existing various equipment with charging/discharging function, such as ultracapacitor etc.
The train Regenerative Energy Absorption Equipment that the present embodiment provides, when train braking, by charge-discharge modules, absorb the regenerative electric energy that train braking produces, the regenerative electric energy that discharges train braking generation by charge-discharge modules when train traction, for train traction, has been avoided the waste of the regenerative electric energy of train braking generation.
Fig. 2 is the structural representation of another embodiment of train Regenerative Energy Absorption Equipment provided by the invention.As shown in Figure 2, this installs on basis embodiment illustrated in fig. 1, can also comprise:
The first protection module 21, for when the first voltage is greater than the first electrical network threshold voltage, or when the first voltage is less than the second electrical network threshold voltage, stops the first voltage to input to buck module 11.
Concrete, the first protection module 21 is electrically connected to electrical network and buck module 11 respectively.When train braking, it is in electrical network that the regenerative electric energy that train traction system produces train braking feeds back to train power supply network, thereby line voltage is raise, wherein, the regenerative electric energy that train braking produces feeds back in electrical network with the form of the first voltage, thereby makes electrical network export this first voltage.Train traction system is sent charging instruction to control module 13 simultaneously; Control module 13 receives after this charging instruction, and the first voltage of the electrical network output that 11 pairs of control buck modules receive by the first protection module 21 carries out step-down processing.And when the first voltage of electrical network output is greater than the first electrical network threshold voltage; or when the first voltage of electrical network output is less than the second electrical network threshold voltage; buck module 11 can not receive by the first protection module 21 the first voltage of electrical network output; avoid buck module 11 occur to damage because of overvoltage, or avoid buck module 11 to occur damaging and charge-discharge modules 12 cannot charge because of low-voltage because of the large electric current of electrical network low voltage.
Further, the first protection module 21 can also be for:
When the second voltage boosting after processing is greater than the 3rd electrical network threshold voltage, stop the second voltage boosting after processing to input to electrical network.
Concrete; when train traction; train traction system is sent electric discharge instruction to control module 13; control module 13 receives after this electric discharge instruction; control charge-discharge modules 12 electric discharges, the second voltage of simultaneously controlling the 12 electric discharge outputs of 11 pairs of charge-discharge modules of buck module inputs to electrical network by the first protection module 21 after boosting and processing.And when the second voltage boosting after processing of buck module 11 outputs is greater than the 3rd electrical network threshold voltage; electrical network can not receive the second voltage boosting after processing of buck module 11 outputs by the first protection module 21, the excessive appearance damage of voltage of avoiding train traction system to provide because of electrical network.
Further, this device can also comprise:
The second protection module 22, while being greater than charge threshold voltage for the first voltage after step-down is processed, the first voltage stopping after step-down is processed inputs to charge-discharge modules 12.
Concrete, the second protection module 22 is electrically connected to buck module 11 and charge-discharge modules 12 respectively.When train braking, control module 13 receives after the charging instruction that train traction system sends, the first voltage after controlling step-down that charge-discharge modules 12 receives 11 outputs of buck modules by the second protection module 22 and processing.And when the first voltage after the step-down of buck module 11 outputs is processed is greater than the charge threshold voltage of charge-discharge modules 12; the first voltage after the step-down that charge-discharge modules 12 can not receive buck module 11 output by the second protection module 22 is processed, avoids charge-discharge modules 12 to occur damaging because of overvoltage.
Further, the second protection module 22, can also be for:
When second voltage is less than discharge threshold voltage, stop second voltage inputing to buck module 11.
Concrete; when train traction; train traction system is sent electric discharge instruction to control module 13; control module 13 receives after this electric discharge instruction; control charge-discharge modules 12 electric discharges, the processing of boosting of the second voltage of simultaneously controlling the 12 electric discharge outputs of 11 pairs of charge-discharge modules that receive by the second protection module 22 of buck module.And when the second voltage of charge-discharge modules 12 electric discharge outputs is less than the discharge threshold voltage of charge-discharge modules 12; buck module 11 can not receive the second voltage of charge-discharge modules 12 electric discharge outputs by the second protection module 22, avoid buck module 11 because of charge-discharge modules 12 low-voltage and high-currents appearance damages.
The train Regenerative Energy Absorption Equipment that the present embodiment provides, when train braking, by charge-discharge modules, absorb the regenerative electric energy that train braking produces, the regenerative electric energy that discharges train braking generation by charge-discharge modules when train traction, for train traction, has been avoided the waste of the regenerative electric energy of train braking generation.
Fig. 3 is the structural representation of an embodiment of train regenerative electric energy absorption system provided by the invention.As shown in Figure 3, this system can comprise: electrical network 31, train traction system 32 and Fig. 1 or the train Regenerative Energy Absorption Equipment 33 providing embodiment illustrated in fig. 2, wherein:
Electrical network 31, the first voltage producing for receiving the train braking of train traction system 32 outputs, and to train Regenerative Energy Absorption Equipment 33 output the first voltages; Or, for receiving the second voltage through boosting after processing of train Regenerative Energy Absorption Equipment 33 outputs, and to the second voltage of train traction system 32 outputs through boosting after processing;
Train traction system 32, for when the train braking, the first voltage that train braking is produced inputs to electrical network 31, and the control module in train Regenerative Energy Absorption Equipment 33 is sent charging instruction; Or when train traction, the control module 13 in train Regenerative Energy Absorption Equipment 33 is sent electric discharge instruction, and receive the second voltage through boosting after processing that electrical network 31 is exported.
Concrete; electrical network 31 is electrically connected to buck module 11 or the first protection module 21 in train traction system 32 and train Regenerative Energy Absorption Equipment 33 respectively, and train traction system 32 is electrically connected to the control module 13 in electrical network 31 and train Regenerative Energy Absorption Equipment 33 respectively.
The operation principle of this train regenerative electric energy absorption system referring to Fig. 1 or embodiment illustrated in fig. 2 in associated description, repeat no more herein.
The train regenerative electric energy absorption system that the present embodiment provides, when train braking, by train Regenerative Energy Absorption Equipment, absorb the regenerative electric energy that train braking produces, the regenerative electric energy that discharges train braking generation by train Regenerative Energy Absorption Equipment when train traction, for train traction, has been avoided the waste of the regenerative electric energy of train braking generation.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a train Regenerative Energy Absorption Equipment, is characterized in that, comprising:
Buck module for receiving the first voltage of electrical network output, and carries out inputing to charge-discharge modules after step-down processing to described the first voltage under the control of control module; Or, the second voltage of output while receiving the electric discharge of described charge-discharge modules, and under the control of described control module, described second voltage is boosted after processing and inputs to described electrical network;
Described charge-discharge modules, for receiving the first voltage after described buck module step-down is processed under the control of described control module; Or, under the control of described control module, to described buck module, export described second voltage;
Described control module, for receiving the charging instruction of train traction system, controls described buck module and described the first voltage is carried out to described step-down processing and control described charge-discharge modules charging; Or, receive the electric discharge instruction of described train traction system, control described charge-discharge modules and discharge and control the processing of boosting described in described second voltage is carried out of described buck module.
2. device according to claim 1, is characterized in that, also comprises:
The first protection module, for when described the first voltage is greater than the first electrical network threshold voltage, or when described the first voltage is less than the second electrical network threshold voltage, stops described the first voltage to input to described buck module.
3. device according to claim 2, is characterized in that, described the first protection module also for:
When the described second voltage boosting after processing is greater than the 3rd electrical network threshold voltage, stop the described second voltage boosting after processing to input to described electrical network.
4. according to the device described in claim 1-3 any one, it is characterized in that, also comprise:
The second protection module, while being greater than charge threshold voltage for the first voltage after described step-down is processed, the first voltage stopping after described step-down is processed inputs to described charge-discharge modules.
5. device according to claim 4, is characterized in that, described the second protection module also for:
When described second voltage is less than discharge threshold voltage, stop described second voltage to input to described buck module.
6. according to the device described in claim 1-3 any one, it is characterized in that, described charge-discharge modules is ultracapacitor.
7. a train regenerative electric energy absorption system, is characterized in that, comprising: the train Regenerative Energy Absorption Equipment described in electrical network, train traction system and claim 1-6 any one, wherein:
Described electrical network, the first voltage producing for receiving the train braking of described train traction system output, and export described the first voltage to described train Regenerative Energy Absorption Equipment; Or, for receiving the second voltage through boosting after processing of described train Regenerative Energy Absorption Equipment output, and to the described second voltage through boosting after processing of described train traction system output;
Described train traction system, for when the train braking, described the first voltage that train braking is produced inputs to described electrical network, and the control module in described train Regenerative Energy Absorption Equipment is sent charging instruction; Or when train traction, the control module in described train Regenerative Energy Absorption Equipment is sent electric discharge instruction, and receive the described second voltage through boosting after processing that described electrical network is exported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199907.0A CN104184178A (en) | 2013-05-24 | 2013-05-24 | Train renewable energy absorbing apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199907.0A CN104184178A (en) | 2013-05-24 | 2013-05-24 | Train renewable energy absorbing apparatus and system |
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| Publication Number | Publication Date |
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| CN104184178A true CN104184178A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310199907.0A Pending CN104184178A (en) | 2013-05-24 | 2013-05-24 | Train renewable energy absorbing apparatus and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162178A (en) * | 2015-06-18 | 2015-12-16 | 安徽天瞳智能科技有限公司 | Control system of supercapacitor energy storage device |
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| CN101633320A (en) * | 2009-08-24 | 2010-01-27 | 青岛易特优电子有限公司 | Storage device of regenerating brake energy of railway track |
| JP2012157217A (en) * | 2011-01-28 | 2012-08-16 | Hitachi Maxell Energy Ltd | Battery unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105162178A (en) * | 2015-06-18 | 2015-12-16 | 安徽天瞳智能科技有限公司 | Control system of supercapacitor energy storage device |
| CN105162178B (en) * | 2015-06-18 | 2018-01-19 | 安徽天瞳智能科技有限公司 | A kind of control system of super capacitor energy storage device |
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Application publication date: 20141203 |
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