CN209104806U - A kind of energy storage filter circuit - Google Patents
A kind of energy storage filter circuit Download PDFInfo
- Publication number
- CN209104806U CN209104806U CN201920040742.5U CN201920040742U CN209104806U CN 209104806 U CN209104806 U CN 209104806U CN 201920040742 U CN201920040742 U CN 201920040742U CN 209104806 U CN209104806 U CN 209104806U
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- filter module
- filter circuit
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- 238000004146 energy storage Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000000919 ceramic Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 2
- 229910052573 porcelain Inorganic materials 0.000 claims 2
- 238000009826 distribution Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
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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
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to voltage control technology fields, specifically disclose a kind of energy storage filter circuit.Wherein, the power module and the converting charge module are electrically connected；The input terminal of the output end of the power module and first filter module is electrically connected, the input terminal of the output end of first filter module and second filter module is electrically connected for filtering out line harmonic, the input terminal of second filter module and the converting charge module, which are electrically connected, is used for further filter circuit residue harmonics, and the output end of the input terminal of the converting charge module and second filter module is electrically connected.The utility model effectively filters out line harmonic using the first filter module, utilize the further filter circuit residue harmonics of the second filter module, it ensure that the stability of line voltage distribution, overcoming accumulator in the prior art influences the defect of line voltage distribution stability because lacking filtering performance, achievees the purpose that improve line voltage distribution stability efficiency.
Description
Technical field
The utility model relates to voltage control technology fields, more specifically to a kind of energy storage filter circuit.
Background technique
Currently, with the development of technology and social progress, people are higher and higher for the demand of the energy, especially cleaning
The energy, such as photovoltaic power generation, wind-power electricity generation and the exploitation of hydroelectric generation and utilization, have been to be concerned by more and more people.Traditional
In energy-storage system circuit, generally use four-wire system connection type, for meet simultaneously threephase load and it is single-phase complicated the needs of；But
Since it inhibits the voltage utilization of uneven load low, and the not ability of four quadrant running, while DC-DC (DC/DC)
The current ripples of module are larger, seriously affect the stability of energy-storage system.Existing accumulator is usually used with flowering structure:
It is successively electrically connected power module, converting charge module and control module by control module, is controlled by control module
Converting charge module work processed, in day-to-day operation, control module regulation converting charge module is converted to charge mode, so that electric
Alternating current provides charging voltage after converting charge module for power module power module is made to remain full electric shape in net
State；When needing to carry out power network compensation, control module regulation converting charge module is converted to discharge mode, so that in power module
Power supply provide offset voltage after converting charge module for power grid.Though this mode efficiently solves the benefit of voltage in power grid
Problem is repaid, still, one can be generated since converting charge module is unavoidable in the conversion process for carrying out direct current and alternating current
Fixed harmonic wave reduces the service life of power module to influence whether the work of power module；Also, it is put in power module
Also harmonic wave can be generated in electric process, to also influence whether the working efficiency of converting charge module.Therefore, it is necessary to design a kind of electricity
Road is for filtering out harmonic wave caused by converting charge module.
Utility model content
In view of this, the present invention provides a kind of energy storage filter circuit, with solve in the prior art accumulator because
Lack filtering performance and influences the defect of line voltage distribution stability.
To achieve the above object, the utility model provides following technical solution:
A kind of energy storage filter circuit, includes power module and converting charge module, the power module and the unsteady flow
Charging module is electrically connected；It further include having the first filter module and the second filter module；The output end of the power module and institute
The input terminal for stating the first filter module is electrically connected for providing accumulation power supply, the output end of first filter module with it is described
The input terminal of second filter module is electrically connected for filtering out line harmonic, the input terminal of second filter module and the change
Current charge module, which is electrically connected, is used for further filter circuit residue harmonics, the input terminal of the converting charge module and described the
The output end of two filter modules is electrically connected to be exported for the mutual conversion of alternating current and direct current.
As a preferred embodiment of the present invention, first filter module is LC type filter circuit module or is LCL
Type filter circuit module.
As a preferred embodiment of the present invention, first filter module includes ceramic condenser C1 and inductance L1；Its
In, the ceramic condenser C1 is in parallel with the inductance L1, the both ends of the ceramic condenser C1 and the output end of the power module
Both ends parallel connection be electrically connected, the both ends of the input terminal of the both ends of the inductance L1 and second filter module are electrically connected.
As a preferred embodiment of the present invention, the concrete model of the inductance L1 is 1-100mH, the ceramic condenser C1
Concrete model be 10-30uF.
As a preferred embodiment of the present invention, second filter module is LC type filter circuit module or is CLC
Type filter circuit module.
As a preferred embodiment of the present invention, second filter module includes ceramic condenser C1 and C2, Yi Ji electricity
Feel L2；Wherein, the both ends of the ceramic condenser C2 are in parallel with the both ends of output end of first filter module is electrically connected, institute
State the both ends electric connection in parallel with the both ends of input terminal of the converting charge module of ceramic condenser C3, the inductance L2 series connection
Between the ceramic condenser C1 and the ceramic condenser C2.
As a preferred embodiment of the present invention, the concrete model of the inductance L2 is 10-30uH, the ceramic condenser C2
Concrete model be 1-10uF, the concrete model of the ceramic condenser C3 is 1-10mF.
It can be seen from the above technical scheme that the utility model has the following beneficial effects: the utility model utilizes the first filter
Being used cooperatively for wave module and the second filter module, on the one hand can be by the alternating voltage in power grid after converting charge module
It is converted to DC voltage and successively eliminates converting charge module by the filtering of the second filter module and the first filter module and generate
Harmonic wave, and to power module provide steady dc voltage, avoid converting charge module generate harmonic wave influence power supply mould
The work of block, to extend the service life of power module；On the other hand, the output voltage in power module successively passes through
The harmonic wave that power module generates is eliminated in the filtering of one filter module and the second filter module, and provides stabilization to converting charge module
DC voltage with further avoid power module output voltage influence arrive converting charge module task performance, therefore,
Utility model effectively filters out line harmonic using the first filter module, humorous using the further filter circuit remnants of the second filter module
Wave ensure that the stability of line voltage distribution, and overcoming accumulator in the prior art because lacking filtering performance influences line electricity
The defect for pressing stability achievees the purpose that improve line voltage distribution stability efficiency.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
New embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of energy storage filter circuit disclosed in the utility model embodiment.
In figure: 1- power module；The first filter module of 2-；The second filter module of 3-；4- converting charge module.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment 1: as shown in fig. 1, a kind of energy storage filter circuit includes power module 1 and converting charge module 4,
The power module 1 is electrically connected with the converting charge module 4；It further include having the first filter module 2 and the second filter module
3；The input terminal of the output end of the power module 1 and first filter module 2 is electrically connected for providing accumulation power supply, institute
The input terminal of the output end and second filter module 3 of stating the first filter module 2 is electrically connected for filtering out line harmonic, institute
The input terminal and the converting charge module 4 for stating the second filter module 3 are electrically connected for further filter circuit residue harmonics,
The output end of the input terminal of the converting charge module 4 and second filter module 3, which is electrically connected, is used for alternating current and direct current
The mutual conversion output of electricity.In the utility model embodiment, the power module 1 is mainly used for energy storage and exoergic unit, main
If lithium storage battery.Particularly, which further includes having control module, and the control module is existing PLC200
Controller plays control action, and the control terminal of the control module and the converting charge module 4 are electrically connected, institute
The feeder ear of the power end and the power module 1 of stating control module is electrically connected.The converting charge module 4 is handed over for controlling
Mutual conversion between galvanic electricity and direct current；On the one hand it is used to receive the power grid alternating current that electrical grid transmission comes and is converted to direct current
Voltage, it is described on the other hand for receiving the DC voltage of the output of power module 1 and the DC voltage being converted to alternating voltage
Converting charge module 4 can select existing module according to actual needs.The innovative point of the utility model embodiment is existing
Two filter modules are increased on some accumulators newly, more specifically, the innovative point of the utility model is in the power module 1
It has increased the first filter module 2 and the second filter module 3 newly between converting charge module 4, has utilized the first effectively filter of filter module 2
Except line harmonic ensure that the stability of line voltage distribution using the further filter circuit residue harmonics of the second filter module 3, gram
Having taken accumulator in the prior art influences the defect of line voltage distribution stability because lacking filtering performance, reaches raising line electricity
Press the purpose of stability efficiency.
More specifically, first filter module 2 is LC type filter circuit module.First filter module 2 includes
Ceramic condenser C1 and inductance L1；Wherein, the ceramic condenser C1 is in parallel with the inductance L1, the both ends of the ceramic condenser C1 with
The both ends parallel connection of the output end of the power module 1 is electrically connected, the both ends of the inductance L1 and second filter module 3
The both ends of input terminal are electrically connected.The concrete model of the inductance L1 is 100mH, and the concrete model of the ceramic condenser C1 is
10uF.Second filter module 3 is CLC type filter circuit module.Second filter module 3 include ceramic condenser C1 and
C2 and inductance L2；Wherein, the both ends of the ceramic condenser C2 are in parallel with the both ends of output end of first filter module 2
It is electrically connected, the both ends of the ceramic condenser C3 are in parallel with the both ends of input terminal of the converting charge module 4 to be electrically connected, institute
Inductance L2 is stated to be series between the ceramic condenser C1 and the ceramic condenser C2.The concrete model of the inductance L2 is 10uH,
The concrete model of the ceramic condenser C2 is 10uF, and the concrete model of the ceramic condenser C3 is 10mF.
Therefore, the course of work of the utility model embodiment are as follows: the utility model utilizes the first filter module 2 and the second filter
Wave module 3 is used cooperatively, and on the one hand the alternating voltage in power grid can be converted to direct current after converting charge module 4
It presses and successively eliminates the harmonic wave that converting charge module 4 generates by the filtering of the second filter module 3 and the first filter module 2, and
Steady dc voltage is provided to power module 1, the harmonic wave for avoiding converting charge module 4 from generating influences the work of power module 1
Make, to extend the service life of power module 1；On the other hand, the output voltage in power module 1 successively passes through the first filter
The harmonic wave that power module 1 generates is eliminated in the filtering of wave module 2 and the second filter module 3, and provides stabilization to converting charge module 4
DC voltage with further avoid power module 1 output voltage influence to converting charge module 4 task performance, therefore,
The utility model effectively filters out line harmonic using the first filter module 2, residual using the further filter circuit of the second filter module 3
Remaining harmonic wave ensure that the stability of line voltage distribution, and overcoming accumulator in the prior art because lacking filtering performance influences line
The defect of road voltage stability achievees the purpose that improve line voltage distribution stability efficiency.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from this practical spirit or scope.Therefore, this is practical
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of energy storage filter circuit, includes power module and converting charge module, the power module is filled with the unsteady flow
Electric module is electrically connected；It is characterized in that, further including having the first filter module and the second filter module；The power module it is defeated
The input terminal of outlet and first filter module is electrically connected for providing accumulation power supply, the output of first filter module
End and the input terminal of second filter module are electrically connected for filtering out line harmonic, the input terminal of second filter module
It is electrically connected with the converting charge module and is used for further filter circuit residue harmonics, the input terminal of the converting charge module
It is electrically connected with the output end of second filter module and is exported for the mutual conversion of alternating current and direct current.
2. a kind of energy storage filter circuit according to claim 1, which is characterized in that first filter module is the filter of LC type
Wave circuit module is LCL type filter circuit module.
3. a kind of energy storage filter circuit according to claim 2, which is characterized in that first filter module includes pottery
Porcelain capacitor C1 and inductance L1；Wherein, the ceramic condenser C1 is in parallel with the inductance L1, the both ends of the ceramic condenser C1 and institute
The both ends parallel connection for stating the output end of power module is electrically connected, the input at the both ends of the inductance L1 and second filter module
The both ends at end are electrically connected.
4. a kind of energy storage filter circuit according to claim 3, which is characterized in that the concrete model of the inductance L1 is 1-
The concrete model of 100mH, the ceramic condenser C1 are 10-30uF.
5. a kind of energy storage filter circuit according to claim 1, which is characterized in that second filter module is the filter of LC type
Wave circuit module is CLC type filter circuit module.
6. a kind of energy storage filter circuit according to claim 5, which is characterized in that second filter module includes pottery
Porcelain capacitor C1 and C2 and inductance L2；Wherein, the both ends of the ceramic condenser C2 and the output end of first filter module
Both ends parallel connection is electrically connected, and the both ends of the ceramic condenser C3 are in parallel with the both ends of input terminal of the converting charge module electrically
Connection, the inductance L2 are series between the ceramic condenser C1 and the ceramic condenser C2.
7. a kind of energy storage filter circuit according to claim 6, which is characterized in that the concrete model of the inductance L2 is
The concrete model of 10-30uH, the ceramic condenser C2 are 1-10uF, and the concrete model of the ceramic condenser C3 is 1-10mF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040742.5U CN209104806U (en) | 2019-01-10 | 2019-01-10 | A kind of energy storage filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920040742.5U CN209104806U (en) | 2019-01-10 | 2019-01-10 | A kind of energy storage filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209104806U true CN209104806U (en) | 2019-07-12 |
Family
ID=67163905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920040742.5U Active CN209104806U (en) | 2019-01-10 | 2019-01-10 | A kind of energy storage filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209104806U (en) |
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2019
- 2019-01-10 CN CN201920040742.5U patent/CN209104806U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 518000, 2nd Floor, Building 2, Tongchan New Materials Industrial Park, No. 28 Langshan Road, Songpingshan Community, Xili Street, Nanshan District, Shenzhen, Guangdong Province Patentee after: Shenzhen Kubo Energy Co.,Ltd. Address before: Room 502, Building A, Zhangjiagang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: CUBENERGY (SUZHOU) TECHNOLOGY Co.,Ltd. |