CN205846723U - Micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system - Google Patents
Micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system Download PDFInfo
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- CN205846723U CN205846723U CN201620620270.7U CN201620620270U CN205846723U CN 205846723 U CN205846723 U CN 205846723U CN 201620620270 U CN201620620270 U CN 201620620270U CN 205846723 U CN205846723 U CN 205846723U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
This utility model provides a kind of micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system, including: system busbar, monitoring and data acquisition unit, dead load and load switch, described monitoring and data acquisition unit are connected with described system busbar, described load switch controls described system busbar and the connection of described dead load or disconnection, access on wherein said system busbar and have fixing reactive power compensation device, to limit the transmission of reactive power.
Description
Technical field
This utility model relates to a kind of micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system.
Background technology
For alleviating energy crisis and ambient pressure, current many countries are all vigorously advocating development clean energy resource and can be again
Raw energy generating, and electric power of advocating thriftiness.Meanwhile, along with the arrival of digital Age, user is to power supply reliability and the quality of power supply
Requirement the highest.To this end, some have prospective the country such as U.S., Europe, Canada, Australian and Chinese etc. all
In succession propose to build " intelligent grid ", and carried out some relevant research and practical activitys.Intelligent grid is just obtaining the whole world
Increasing attention, becomes one of important development trend of following electrical network.
The proposition of intelligent grid concept and systematic Study, also promote people to increasingly focus on lacking of tradition bulk power grid pattern
Fall into, pay close attention to society to the energy and the quality of supply of electric power and the requirement of security reliability.Micro-capacitance sensor is to send out in a distributed manner
Based on power technology, based near decentralized resource or the small hydropower station of user, in conjunction with terminal use's Power quality management and
The small modular that energy cascade utilization technology is formed, distributed energy supply network.Micro-capacitance sensor is the important composition of intelligent grid
Part, can realize the integration operation of internal electric source and load, and pass through and the coordination control of main electrical network, can smooth access major network
Or self-government runs, fully meet user's requirement to the quality of power supply, power supply reliability and safety.
Utility model content
For the above-mentioned technological development direction of industry, this utility model provide a kind of novelty based on super capacitor energy-storage
The micro-capacitance sensor electrical energy devices of system.This micro-capacitance sensor electrical energy devices can make full use of the advantage of ultracapacitor itself, employing property
The monomer composition bank of super capacitors that energy concordance is higher, and combine equipment for monitoring power quality and control unit, formation can
The super capacitor energy storage system of control.By this micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system in electric power microgrid
Application, can significantly improve the work efficiency of microgrid, strengthen the reliability of microgrid.
Concrete, this utility model provides a kind of micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system, including:
System busbar, monitoring and data acquisition unit, dead load and load switch, described monitoring and data acquisition unit and described system
System bus is connected, and described load switch controls described system busbar and the connection of described dead load or disconnection, wherein said
Access on system busbar and have fixing reactive power compensation module, to limit the transmission of reactive power.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, described reactive power compensation module is to be parallel to described fixing
Shunt capacitance in load.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, farther include: super with what described dead load was connected
Capacitive compensator.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, described super capacitor energy-storage system farther includes capacitor
Group, described Capacitor banks is connected to described system busbar via switch.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, described Capacitor banks includes eight ultracapacitor monomers, institute
State eight ultracapacitor monomers and use the structure of two parallel connections, four series connection again.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, in described structure, bidirectional Buck-Boost converter respectively with phase
Two adjacent ultracapacitor monomers are connected.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, when described two adjacent ultracapacitor monomers being detected
Voltage when having notable difference, described bidirectional Buck-Boost converter is activated, to work in a certain monotonic transformation pattern；And when inspection
Measuring the voltage of described two adjacent ultracapacitor monomers when reaching equilibrium, described bidirectional Buck-Boost converter stops work
Make.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, described super capacitor energy-storage system farther includes: be connected to
Transformator, control unit the thyristor variable parallel operation controlled between described system busbar and described Capacitor banks and be connected to
Switch between described thyristor variable parallel operation and Capacitor banks.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, described switch is polarity switch.
It is preferred that in above-mentioned micro-capacitance sensor electrical energy devices, when described super capacitor energy-storage system is charged, logical
The AC to DC conversion crossing described thyristor variable parallel operation injects a current into described Capacitor banks；And at described super capacitor energy-storage
When system is discharged, described control unit switches described polarity switch, by direct current based on described thyristor variable parallel operation extremely
DC converting is to described system busbar output.
It is all exemplary and illustrative for should be appreciated that the generality of more than this utility model describes with the following detailed description
, and it is intended that this utility model provides further explanation.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of an embodiment according to micro-capacitance sensor electrical energy devices of the present utility model.
Fig. 2 shows the schematic diagram of an embodiment of super capacitor energy-storage system.
Fig. 3 shows the voltage balance circuit figure of bank of super capacitors.
Detailed description of the invention
The signal of an embodiment according to micro-capacitance sensor electrical energy devices of the present utility model is shown with reference first to Fig. 1, Fig. 1
Figure.
As it can be seen, micro-capacitance sensor electrical energy devices 100 based on super capacitor energy-storage system of the present utility model specifically includes that
System busbar 101, monitoring and data acquisition unit 102, dead load 103 and load switch 104.
Wherein, described monitoring and data acquisition unit 102 are connected with described system busbar 101.This monitoring and data acquisition
Collection unit 102 is for monitoring the voltage of load end, electric current, phase angle and quality of power supply situation.Described load switch 104 controls
The connection of described system busbar 101 and described dead load 103 or disconnection.
Particularly, on described system busbar 104, access has fixing reactive power compensation module 105, to limit idle merit
The transmission of rate.It is preferred that described reactive power compensation module 105 is the shunt capacitance being parallel in described dead load.This nothing
Reactive power compensator module 105 is possible not only to reduce transmission line thermal losses, it is also possible to play holding load voltage in range of accommodation
Within effect.
It is preferred that the super capacitor compensator 106 being connected with described dead load 103 can also be arranged.
The schematic diagram of an embodiment of super capacitor energy-storage system is shown turning now to Fig. 2, Fig. 2.This super capacitor
Energy-storage system 107 farther includes Capacitor banks 108, and described Capacitor banks 108 is connected to described system busbar via switch
101.It is preferred that described Capacitor banks 108 can include that eight ultracapacitor monomers, described eight ultracapacitor monomers are adopted
With two parallel connections again four series connection structure, as shown in Figure 3.In the structure shown here, bidirectional Buck-Boost converter is respectively with adjacent
Two ultracapacitor monomers are connected, its MOSFET element preferably employing low conduction impedance and fast recovery diode, and work
Make in DCM Mode.This connection is advantageous in that: device parallel connection can reduce the capacitance difference between series arm, also
The inequality extent of voltage can be reduced, alleviate the pressure of equalizer circuit.
According to said structure, when the voltage described two adjacent ultracapacitor monomers being detected has notable difference,
Described bidirectional Buck-Boost converter is activated, to work in a certain monotonic transformation pattern；And when detect described adjacent two
When the voltage of ultracapacitor monomer reaches equilibrium, described bidirectional Buck-Boost converter quits work.
Additionally, in the embodiment shown in Figure 2, described super capacitor energy-storage system 107 may further include: is connected to
Transformator 110 between described system busbar 101 and described Capacitor banks 108, the IGCT controlled by control unit 111 conversion
Device 112 and be connected to the switch 113 between described thyristor variable parallel operation 112 and Capacitor banks 108.Described switch 113 is preferred
It it is polarity switch.
According to said structure, when described super capacitor energy-storage system is charged, by described thyristor variable parallel operation
AC to DC conversion inject a current into described Capacitor banks；And when described super capacitor energy-storage system is discharged, institute
State control unit and switch described polarity switch, converted to described system by dc-dc based on described thyristor variable parallel operation
Bus output.Additionally, the convergence coil 114 shown in Fig. 2 may be used for smooth charging and discharging currents near its meansigma methods
Fluctuation, reduces because changer high frequency runs the high-frequency current component brought, thus controls the harmonic wave of ultracapacitor output electric current
Composition.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a micro-capacitance sensor electrical energy devices based on super capacitor energy-storage system, it is characterised in that including: system busbar, monitoring
And data acquisition unit, dead load and load switch, described monitoring and data acquisition unit are connected with described system busbar,
Described load switch controls described system busbar and the connection of described dead load or disconnection, and wherein said system busbar accesses
There is fixing reactive power compensation device, to limit the transmission of reactive power.
2. micro-capacitance sensor electrical energy devices as claimed in claim 1, it is characterised in that described reactive power compensation module is to be parallel to
Shunt capacitance in described dead load.
3. micro-capacitance sensor electrical energy devices as claimed in claim 1, it is characterised in that farther include: with described dead load phase
The super capacitor compensator connected.
4. micro-capacitance sensor electrical energy devices as claimed in claim 1, it is characterised in that described super capacitor energy-storage system is wrapped further
Including Capacitor banks, described Capacitor banks is connected to described system busbar via switch.
5. micro-capacitance sensor electrical energy devices as claimed in claim 4, it is characterised in that described Capacitor banks includes eight super capacitors
Device monomer, described eight ultracapacitor monomers use the structure of two parallel connections, four series connection again.
6. micro-capacitance sensor electrical energy devices as claimed in claim 5, it is characterised in that in described structure, Bidirectional up-down buckling is changed
Device is connected with two adjacent ultracapacitor monomers respectively.
7. micro-capacitance sensor electrical energy devices as claimed in claim 6, it is characterised in that when described two adjacent super electricity being detected
When the voltage of container monomer has notable difference, described bidirectional Buck-Boost converter is activated, to work in a certain monotonic transformation mould
Formula；And when the voltage described two adjacent ultracapacitor monomers being detected reaches equilibrium, described Bidirectional up-down buckling is changed
Device quits work.
8. micro-capacitance sensor electrical energy devices as claimed in claim 4, it is characterised in that described super capacitor energy-storage system is wrapped further
Include: the thyristor variable parallel operation be connected to the transformator between described system busbar and described Capacitor banks, being controlled by control unit
And it is connected to the switch between described thyristor variable parallel operation and Capacitor banks.
9. micro-capacitance sensor electrical energy devices as claimed in claim 8, it is characterised in that described switch is polarity switch.
10. micro-capacitance sensor electrical energy devices as claimed in claim 9, it is characterised in that described super capacitor energy-storage system is being entered
During row charging, converted by the AC to DC of described thyristor variable parallel operation and inject a current into described Capacitor banks；And described
When super capacitor energy-storage system is discharged, described control unit switches described polarity switch, by based on described thyristor variable
The dc-dc of parallel operation converts to described system busbar output.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958488A (en) * | 2016-06-22 | 2016-09-21 | 上海仪器仪表研究所 | Super capacitor energy storage system-based micro-grid power device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958488A (en) * | 2016-06-22 | 2016-09-21 | 上海仪器仪表研究所 | Super capacitor energy storage system-based micro-grid power device |
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