CN106356929B - A kind of super capacitor energy-storage system - Google Patents
A kind of super capacitor energy-storage system Download PDFInfo
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- CN106356929B CN106356929B CN201610835039.4A CN201610835039A CN106356929B CN 106356929 B CN106356929 B CN 106356929B CN 201610835039 A CN201610835039 A CN 201610835039A CN 106356929 B CN106356929 B CN 106356929B
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- Prior art keywords
- capacitor
- capacitor box
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- grid
- box
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
Abstract
The invention discloses a kind of super capacitor energy-storage systems; including bidirectional converter, control protective unit and the super-capacitor device being made of several capacitor box; the capacitor box includes: monitor component; for monitoring the malfunction of the capacitor box, grid-connected operation signal is taken off according to the generation of the malfunction of the capacitor box and is sent to de- and screen component；The de- and screen component takes off grid-connected operation signal for what is sent according to the monitor component received, carries out corresponding de- and net operation to the capacitor box.The technical solution of the embodiment of the present invention automatically controls the de- and net operation of capacitor box by the malfunction of monitoring capacitor box, and the operation of system intelligence adjusting power reduces Single Point of Faliure outage rate, improves the reliability and working efficiency of system, save labour turnover.
Description
Technical field
The present embodiments relate to super capacitor energy-storage system control technique more particularly to a kind of super capacitor energy-storage systems
System.
Background technique
Subway train becomes important public transport mode in city now, and wherein the station of subway train is equipped with energy storage system
System carries out energy regenerating in braking for subway train, realizes energy conservation.
In the prior art, super-capacitor device by electric capacity module directly forms greatly whole in energy-storage system after series-parallel
Body, as shown in Figure 1, super capacitor energy-storage system includes bidirectional converter 110, control protective unit 120 and super-capacitor device
130；Super-capacitor device 130 is made of in series and parallel electric capacity module 131, and including monitor component 132, if electric capacity module 131 by
A dry capacitor monomer forms in series and parallel, and control protective unit 120 monitors the failure shape of electric capacity module 131 by monitor component 132
State.
After any electric capacity module in super-capacitor device breaks down, have no idea fault capacitance mould group from energy storage
It is separated in the super-capacitor device of system, energy-storage system cannot rerun, can only direct maintenance down.
Summary of the invention
The present invention provides a kind of super capacitor energy-storage system, to realize the capacitor automatically controlled in super capacitor energy-storage system
The de- and net operation of cabinet.
The embodiment of the invention provides a kind of super capacitor energy-storage system, including bidirectional converter, control protective unit and
The super-capacitor device being made of several capacitor box, the capacitor box include:
Monitor component generates de- for monitoring the malfunction of the capacitor box according to the malfunction of the capacitor box
Grid-connected operation signal is simultaneously sent to de- and screen component；；
The de- and screen component, for taking off grid-connected operation signal according to the described of monitor component transmission received,
Corresponding de- and net operation is carried out to the capacitor box.
Further, the monitor component is specifically used for:
Monitor the malfunction of electric capacity module in the capacitor box；
The malfunction of the capacitor box is determined according to the malfunction of the electric capacity module.
Further,
The control protective unit, the fault status signal of the capacitor box for being reported according to the monitor component generate de-
Cutting-in control order is simultaneously issued to the monitor component；
Correspondingly, the monitor component, for monitoring the malfunction of the capacitor box, and by the failure of the capacitor box
Status signal reports to the control protective unit, is ordered according to the de- cutting-in control that the control protective unit received issues
It enables generating and takes off grid-connected operation signal and be sent to the de- and screen component.
Further, described de- and net operation includes: the capacitor box to be incorporated to the super-capacitor device and will be described
Capacitor box is detached from least one of described super-capacitor device.
Further, the control protective unit further include:
Man-machine operating device for multistage configures the charge-discharge parameter of the capacitor box for the input according to user.
Further, the charge-discharge parameter of the capacitor box includes: that cabinet charging current, cabinet charging current protection point, cabinet are put
At least one of electric current and cabinet discharge current protection point.
Further, the monitor component, is also used to monitor the de- grid connection state of the capacitor box, and by the capacitor box
De- grid connection state signal reporting to the control protective unit；
Correspondingly, the control protective unit is specifically used for:
According to the de- grid connection state signal for the capacitor box that the monitor component reports, the institute for being in grid connection state is determined
State the quantity of capacitor box；
According to the charge-discharge parameter of the quantity of the capacitor box in grid connection state and the capacitor box, calculate described super
The charge-discharge parameter of grade capacitive means；
According to bidirectional converter described in the charge-discharge parameter real-time control of the super-capacitor device to the super capacitor
Device carries out charge and discharge.
Further, described de- and screen component includes breaker, be connected to the capacitor box and the bidirectional converter it
Between, for being incorporated to or being detached from the super-capacitor device for the capacitor box depending on the user's operation.
Further, the de- and screen component includes contactor, for taking off grid-connected operation signal according to described, to the electricity
Hold cabinet and executes the de- and net operation.
The present invention automatically controls the de- and net operation of capacitor box by the malfunction of monitoring capacitor box, and system is intelligently adjusted
Power operation, solution in the prior art can not separate fault capacitance mould group from super-capacitor device, can only maintenance down
Problem reduces Single Point of Faliure outage rate, improves the reliability and working efficiency of system, save labour turnover.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art super capacitor energy-storage system；
Fig. 2 is the structural schematic diagram of one of embodiment of the present invention one super capacitor energy-storage system；
Fig. 3 is the structural schematic diagram of one of embodiment of the present invention two super capacitor energy-storage system；
Fig. 4 is the structural schematic diagram of one of embodiment of the present invention three super capacitor energy-storage system.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 2 is a kind of structural schematic diagram for super capacitor energy-storage system that the embodiment of the present invention one provides, the super capacitor
Energy-storage system can be configured at subway train station, for the Brake energy recovery of subway train, super capacitor energy-storage system packet
Include bidirectional converter 210, control protective unit 220 and the super-capacitor device 230 being made of several capacitor box 231, capacitor
Cabinet 231 includes:
Monitor component 2311 is generated for monitoring the malfunction of capacitor box 231 according to the malfunction of capacitor box 231
It takes off grid-connected operation signal and is sent to de- and screen component 2312.Wherein, monitor component 2311 is configured in each capacitor box 231,
To monitor the malfunction of capacitor box 231, optionally, monitor component 2311 monitors the failure of electric capacity module in capacitor box 231
State；The malfunction of capacitor box 231 is determined according to the malfunction of electric capacity module.When monitor capacitor box over-voltage, cabinet overcurrent,
When the over-voltage of mould group, mould group excess temperature or at least one of the unbalanced situation of module monomer voltage, determine that the capacitor box is in failure
In.
De- and screen component 2312 takes off grid-connected operation signal for what is sent according to the monitor component 2311 received, to electricity
Hold cabinet 231 and carries out de- and net operation accordingly.Wherein, it takes off and screen component 2312 is arranged in super-capacitor device 230 and two-way change
It flows between device 210, bidirectional converter 210 is also connect with external contact power grid.
Optionally, the malfunction for the capacitor box 231 that control protective unit 220 is used to be reported according to monitor component 2311 is believed
Number de- cutting-in control order is generated, and de- cutting-in control order is issued to monitor component 2311.Correspondingly, monitor component 2311
Control protective unit 220 is reported to for monitoring the malfunction of capacitor box 231, and by the fault status signal of capacitor box 231,
The de- cutting-in control order generation issued according to the control protective unit 220 received, which takes off grid-connected operation signal and is sent to, to be taken off simultaneously
Screen component 2312.It should be noted that the grid-connected operation signal that takes off that monitor component 2311 is sent to de- and screen component 2312 is electricity
Ordinary mail number, and the malfunction of the capacitor box 231 monitored according to monitor component 2311 directly generates, or according to control
What the de- cutting-in control order that protective device 220 processed issues generated.
Monitor component 2311 is according to the series-parallel feelings of electric capacity module in the fault status signal and capacitor box of electric capacity module
Condition determines the malfunction of capacitor box 231, and directly generated according to the malfunction of capacitor box 231 and take off grid-connected operation signal, or
The fault status signal of electric capacity module in capacitor box 231 is reported to control protective unit 220 by person's monitor component 2311, by controlling
Protective device 220 is determined according to the series-parallel situation of electric capacity module in the fault status signal and capacitor box 231 of electric capacity module
The malfunction of capacitor box, and generate de- cutting-in control order and be issued to monitor component 2311 for the capacitor box in failure, such as
Fruit fault capacitance cabinet is in off-grid state, then keeps its off-grid state, and taking off grid-connected operation signal is that off-grid keeps signal；If therefore
Barrier capacitor box is in grid connection state, then handles its off-grid, and taking off grid-connected operation signal is off-grid operation signal.For normal electricity
Hold cabinet, if normal capacitor box is in off-grid state, by its grid-connected processing, taking off grid-connected operation signal is grid-connected operation signal；
If normal capacitor box is in grid connection state, its grid connection state is kept, taking off grid-connected operation signal is grid-connected holding signal.
De- and screen component 2312 takes off grid-connected operation signal according to what the monitor component 2311 received was sent, to each capacitor box
Carry out corresponding de- and net operation.The fault capacitance cabinet of grid connection state is detached from super-capacitor device 230, just by off-grid state
Normal capacitor box is incorporated to super-capacitor device 230, keeps the fault capacitance cabinet of off-grid state to be detached from super-capacitor device 230, keeps
The normal capacitor box of grid connection state is incorporated to super-capacitor device 230.
The technical solution of the present embodiment, by monitoring the malfunction of capacitor box, automatically control capacitor box takes off grid-connected behaviour
Make, solves the problem of fault capacitance mould group can not to be separated from super-capacitor device in the prior art can only maintenance down, reality
It now saves labour turnover, improves the effect of working efficiency, reduce Single Point of Faliure outage rate.
Embodiment two
Fig. 3 is a kind of structural schematic diagram of super capacitor energy-storage system provided by Embodiment 2 of the present invention, in above-mentioned technology
On the basis of scheme, control protective unit 220 further include: man-machine operating device for multistage 221, for the input according to user, configuration electricity
Hold the charge-discharge parameter of cabinet 231.Wherein, man-machine operating device for multistage 221 can be touch operation surface plate.
Further, the charge-discharge parameter of capacitor box includes: cabinet charging current, cabinet charging current protection point, cabinet electric discharge electricity
At least one of stream and cabinet discharge current protection point.
Further, monitor component 2311, are also used to monitor the de- grid connection state of capacitor box 231, and by capacitor box 231
Grid connection state signal reporting is taken off to control protective unit 220；
Correspondingly, control protective unit 220 is specifically used for:
According to the de- grid connection state signal for the capacitor box that monitor component 2311 reports, the capacitor box for being in grid connection state is determined
Quantity；
According to the charge-discharge parameter of the quantity of the capacitor box in grid connection state and capacitor box, super-capacitor device is calculated
230 charge-discharge parameter；
According to the charge-discharge parameter real-time control bidirectional converter 210 of super-capacitor device 230 to super-capacitor device 230
Carry out charge and discharge.
Wherein, the capacitor box that control protective unit 220 receives that monitor component 2311 reports takes off grid connection state signal, and dynamic is counted
The charge-discharge parameter of super-capacitor device 230 is calculated, real-time control bidirectional converter 210 carries out charge and discharge to super-capacitor device 230
Electricity.Control protective unit 220 by the charge-discharge parameter of single capacitor box 231 in grid connection state capacitor box 231 quantity
Charge-discharge parameter of the product as super-capacitor device 230, exemplary, the charge-discharge parameter of capacitor box 231, cabinet charging electricity
Stream, cabinet charging current protection point, cabinet discharge current and cabinet discharge current protection point are denoted as I respectivelynChg、InChgPro、InDChgWith
InDChgPro, the quantity of the capacitor box in grid connection state is denoted as NOnline, the charge-discharge parameter of super-capacitor device 230, device fills
Electric current, device charging current protection point, device discharge current and device discharge current protection point are denoted as I respectivelyChg、IChgPro、
IDChgAnd IDChgPro, then shown in the following formula of charge-discharge parameter calculating formula of super-capacitor device 230:
IChg=InChg·NOnline
IChgPro=InChgPro·NOnline
IDChg=InDChg·NOnline
IDChgPro=InDChgPro·NOnline
It is calculated after the charge-discharge parameter of super-capacitor device 230, control protective unit 220 can be according to above-mentioned ginseng
Number real-time control bidirectional converter 210 carries out charge and discharge to super-capacitor device 230, realizes that adjusting power runs control function.
The technical solution of the present embodiment, according to the charge-discharge parameter of the quantity of the capacitor box of grid connection state and single capacitor box
The charge-discharge parameter of super-capacitor device is calculated, and super-capacitor device is carried out by control protective unit control bidirectional converter
Charge and discharge realize that the adjusting power of super capacitor energy-storage system runs control function.
Embodiment three
Fig. 4 is a kind of structural schematic diagram for super capacitor energy-storage system that the embodiment of the present invention three provides, in above-mentioned technology
On the basis of scheme, take off and screen component 2312 include breaker 23121, be connected to capacitor box 231 and bidirectional converter 210 it
Between, for being incorporated to or being detached from super-capacitor device 230 for capacitor box 231 depending on the user's operation.
Wherein, breaker 23121 realizes closing or opening depending on the user's operation, so that capacitor box 231 to be incorporated to or take off
From super-capacitor device 230.Exemplary, breaker 23121 can be manually controlled by user, user's close circuit breaker 23121 it
Afterwards, monitor component 2311 can automatically control capacitor box 231 take off it is grid-connected.After user's cut-off breaker 23121, capacitor box 231
Super-capacitor device 230 is then completely disengaged, capacitor box 231 can be overhauled.
Further, it takes off and screen component 2312 includes contactor 23122, grid-connected operation signal is taken off for basis, to capacitor
Cabinet 231 executes de- and net operation.
Wherein, after the closure of user's operation breaker 23121, monitor component 2311 can monitor capacitor in capacitor box
The malfunction of mould group, and control protective unit 220 is directly controlled normally by monitor component 2311 or monitor component 2311
The contactor 23122 of the de- and screen component 2312 of capacitor box is closed, and realizes intelligent grid connection；Control protective unit 220 passes through monitoring
The contactor 23122 that component 2311 or monitor component 2311 directly control the de- and screen component 2312 of fault capacitance cabinet disconnects,
Realize intelligent off-grid.
Optionally, fusing resistor 23123 is set on the route between capacitor box 231 and bidirectional converter 210, avoids event
There is overcurrent condition in barrier capacitor box, influences the normal work of entire super capacitor energy-storage system.In capacitor box 231 and Bidirectional variable-flow
The soft resistance 23124 that opens is set on the route between device 210 and plays the role of that current limliting is slow to be opened.
The technical solution of the present embodiment can be manually controlled according to the working condition of super capacitor energy-storage system by user
Capacitor box take off it is grid-connected or by control protective unit automatically control capacitor box take off it is grid-connected, it is convenient that fault capacitance cabinet is overhauled.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of super capacitor energy-storage system, it is made of including bidirectional converter, control protective unit and several capacitor box
Super-capacitor device, it is characterised in that:
The capacitor box includes: monitor component, for monitoring the malfunction of the capacitor box, according to the failure of the capacitor box
State generation takes off grid-connected operation signal and is sent to de- and screen component；
The de- and screen component, for taking off grid-connected operation signal according to the described of monitor component transmission received, to institute
It states capacitor box and carries out corresponding de- and net operation；
The monitor component, is also used to monitor the de- grid connection state of the capacitor box, and by the de- grid connection state of the capacitor box
Signal reporting is to the control protective unit；
Correspondingly, the control protective unit is specifically used for:
According to the de- grid connection state signal for the capacitor box that the monitor component reports, the electricity for being in grid connection state is determined
Hold the quantity of cabinet；
According to the charge-discharge parameter of the quantity of the capacitor box in grid connection state and the capacitor box, the super electricity is calculated
The charge-discharge parameter of capacitance device；
According to bidirectional converter described in the charge-discharge parameter real-time control of the super-capacitor device to the super-capacitor device
Carry out charge and discharge.
2. system according to claim 1, which is characterized in that the monitor component is specifically used for:
Monitor the malfunction of electric capacity module in the capacitor box；
The malfunction of the capacitor box is determined according to the malfunction of the electric capacity module.
3. system according to claim 1, it is characterised in that:
The control protective unit, the fault status signal generation of the capacitor box for being reported according to the monitor component take off grid-connected
Control command is simultaneously issued to the monitor component；
Correspondingly, the monitor component, for monitoring the malfunction of the capacitor box, and by the malfunction of the capacitor box
For signal reporting to the control protective unit, the de- cutting-in control order issued according to the control protective unit received is raw
At taking off grid-connected operation signal and be sent to described de- and screen component.
4. system according to claim 1, which is characterized in that the de- and net operation includes: to be incorporated to the capacitor box
The super-capacitor device and the capacitor box is detached from least one of described super-capacitor device.
5. system according to claim 1, which is characterized in that the control protective unit further include:
Man-machine operating device for multistage configures the charge-discharge parameter of the capacitor box for the input according to user.
6. system according to claim 5, which is characterized in that the charge-discharge parameter of the capacitor box includes: cabinet charging electricity
At least one of stream, cabinet charging current protection point, cabinet discharge current and cabinet discharge current protection point.
7. system according to claim 1, which is characterized in that the de- and screen component includes breaker, is connected to described
Between capacitor box and the bidirectional converter, for being incorporated to or being detached from the super electricity for the capacitor box depending on the user's operation
Capacitance device.
8. system according to claim 1, which is characterized in that the de- and screen component includes contactor, for according to institute
It states and takes off grid-connected operation signal, the de- and net operation is executed to the capacitor box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835039.4A CN106356929B (en) | 2016-09-20 | 2016-09-20 | A kind of super capacitor energy-storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835039.4A CN106356929B (en) | 2016-09-20 | 2016-09-20 | A kind of super capacitor energy-storage system |
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| CN106356929B true CN106356929B (en) | 2019-03-15 |
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| CN201963478U (en) * | 2010-11-24 | 2011-09-07 | 南京飓能电控自动化设备制造有限公司 | Redundant electric pitch-regulated system based on super capacitor |
| CN102769333A (en) * | 2012-07-24 | 2012-11-07 | 上海交通大学 | Standby power system for wind power generation electric variable pitch propeller |
| JP2015177555A (en) * | 2014-03-12 | 2015-10-05 | トヨタ自動車株式会社 | battery monitoring device |
| CN105071518A (en) * | 2015-08-04 | 2015-11-18 | 北京机电工程研究所 | Bus hybrid energy device and cycle control method of hybrid energy |
| CN105790366A (en) * | 2016-04-19 | 2016-07-20 | 华北电力大学 | Energy storage voltage-sharing charge and discharge control system for super capacitor set and charged state estimation method |
-
2016
- 2016-09-20 CN CN201610835039.4A patent/CN106356929B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201963478U (en) * | 2010-11-24 | 2011-09-07 | 南京飓能电控自动化设备制造有限公司 | Redundant electric pitch-regulated system based on super capacitor |
| CN102769333A (en) * | 2012-07-24 | 2012-11-07 | 上海交通大学 | Standby power system for wind power generation electric variable pitch propeller |
| JP2015177555A (en) * | 2014-03-12 | 2015-10-05 | トヨタ自動車株式会社 | battery monitoring device |
| CN105071518A (en) * | 2015-08-04 | 2015-11-18 | 北京机电工程研究所 | Bus hybrid energy device and cycle control method of hybrid energy |
| CN105790366A (en) * | 2016-04-19 | 2016-07-20 | 华北电力大学 | Energy storage voltage-sharing charge and discharge control system for super capacitor set and charged state estimation method |
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| CN106356929A (en) | 2017-01-25 |
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Address after: 100070, No. 2, building 18, 188, base station, South Fourth Ring Road West, Beijing, Fengtai District Patentee after: Beijing Dinghan Technology Group Co., Ltd. Address before: 100070, No. 2, building 18, 188, base station, South Fourth Ring Road West, Beijing, Fengtai District Patentee before: Beijing Dinghan Technology Co., Ltd. |