CN106374481A - Outdoor power active filtering device with time-sharing energy storage function - Google Patents
Outdoor power active filtering device with time-sharing energy storage function Download PDFInfo
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- CN106374481A CN106374481A CN201510442334.9A CN201510442334A CN106374481A CN 106374481 A CN106374481 A CN 106374481A CN 201510442334 A CN201510442334 A CN 201510442334A CN 106374481 A CN106374481 A CN 106374481A
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- energy
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- timesharing
- storage
- energy storage
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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
- Y02E40/20—Active power filtering [APF]
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Abstract
The invention relates to an outdoor power active filtering device with a time-sharing energy storage function, which comprises a DC source, an inverter, a current transformer, a harmonic extractor, a central processor and a PWM wave generator, wherein the DC source is connected with the inverter; the inverter is connected onto a transmission line between the power grid and a load; the current transformer is respectively connected with the load and the harmonic extractor; and the harmonic extractor, the central processor, the PWM wave generator and the inverter are sequentially connected. The outdoor power active filtering device with a time-sharing energy storage function also comprises a time-sharing energy storage controller, and a charging circuit, an energy storage element and a step-up circuit connected sequentially, wherein the charging circuit is connected with a load-side transmission line via a first time-sharing switch; the step-up circuit is parallelly connected with the DC source via a second time-sharing switch; and the time-sharing energy storage controller is respectively connected with the first time-sharing switch and the second time-sharing switch. Compared with the prior art, the outdoor power active filtering device with the time-sharing energy storage function has the advantages of convenient mounting, low price, flexible and variable configuration, convenient repair and maintenance, intuitive operation and the like.
Description
Technical field
The present invention relates to a kind of active power filter, especially relate to a kind of family possessing timesharing energy-storage function
External form active power filter.
Background technology
The harmonic wave that nonlinear-load causes equally brings serious negative effect, in particular with Power Electronic Technique
Fast development, various power electronic equipments are generating electricity, transmission of electricity, increasingly extensive application in distribution and electricity system,
The harmonic wave that it is brought to electrical network, idle pollution are also gradually serious.Simultaneously with the progress of social informatization, sensitive
Property load (as computer control system, sophisticated electronics etc.) extensive application, the quality of power supply be it is also proposed
Higher requirement.
Content of the invention
The purpose of the present invention is exactly to overcome the defect of above-mentioned prior art presence to provide one kind to possess timesharing storage
The outdoor type electric power active filter of energy function, has easy for installation, cost is very low, flexible configuration is changeable, inspection
Repair easy to maintenance, operation directly perceived the advantages of.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of outdoor type electric power active filter possessing timesharing energy-storage function, including DC source, inverter, electricity
Current transformer, harmonic wave extractor, central processing unit and pwm baud generator, described DC source connects inverter,
Described inverter is connected to transmission line of electricity between electrical network and load, and described current transformer connects load harmonic respectively
Extractor, described harmonic wave extractor, central processing unit, pwm baud generator and inverter are sequentially connected, and also wrap
Include timesharing energy storage controller and the charging circuit, energy-storage travelling wave tube and the booster circuit that are sequentially connected, described charging circuit
Load-side transmission line of electricity is connected by the first time-shared switch, described booster circuit passes through the second time-shared switch and DC source
Parallel connection, described timesharing energy storage controller connects the first time-shared switch and the second time-shared switch respectively；
Current transformer detects load current, and harmonic wave extractor extracts the harmonic componentss in load current, centre
Reason device sends harmonic compensation according to harmonic componentss and instructs to pwm baud generator so that inverter produces a harmony
Wave component electric current equal in magnitude, in opposite direction simultaneously injects in electrical network, and timesharing energy storage controller is low in the electricity consumption setting
During the peak phase, open the first time-shared switch and close the second time-shared switch, energy-storage travelling wave tube storage energy, in the use setting
During electric peak, close the first time-shared switch and open the second time-shared switch, energy-storage travelling wave tube releases energy.
It is provided with reduction voltage circuit between described first time-shared switch and charging circuit.
Also include the voltage sensor being parallel on DC source, described voltage sensor connects timesharing energy storage controller.
Described energy-storage travelling wave tube is accumulator battery or super capacitor group.
Described central processing unit and timesharing energy storage controller are respectively connected with data storage.
Described central processing unit and timesharing energy storage controller are dsp processor.
Described timesharing energy storage controller connects energy-storage travelling wave tube by voltage sensor.
Also include housing, this outdoor type electric power active filter is installed in housing by screw, in described housing
It is provided with Air cooler and louvre.
Compared with prior art, the invention has the advantages that
1) timesharing energy storage can also be carried out in elimination system while harmonic wave, absorb from electrical network in the low power consumption phase
Electric energy, is stored by energy-storage system, discharges in peak times of power consumption and uses for compensation device DC side.From
And peak-valley difference between eliminating round the clock, so that power equipment can be used more effectively.
2) in the power system that distributed power source permeability is higher, by the discharge and recharge of energy-storage system, can to point
Cloth output power of power supply is controlled and adjusts, and preferably solves the uncontrollable and power swing of distributed power source relatively
Big problem, promotes the application of regenerative resource and the popularization of distributed generation technology, reduces and conventional energy resource is disappeared
Consumption.
3) adopt housing console model integral structure, be applied to open air, be outdoor type equipment, have easy for installation,
Cost is very low, the convenient advantage of repair and maintenance, simultaneously configuration LCDs and control knob, and operation is directly perceived, joins
Put flexible and changeable.
Brief description
Fig. 1 is general structure schematic diagram of the present invention.
In figure: 1, DC source, 2, inverter, 3, current transformer, 4, harmonic wave extractor, 5, centre
Reason device, 6, pwm baud generator, 7, timesharing energy storage controller, 8, charging circuit, 9, energy-storage travelling wave tube, 10,
Booster circuit, 11, reduction voltage circuit, the 12, first time-shared switch, the 13, second time-shared switch, 14, electrical network, 15,
Load.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the technology of the present invention side
Implemented premised on case, given detailed embodiment and specific operating process, but the protection model of the present invention
Enclose and be not limited to following embodiments.
As shown in figure 1, a kind of outdoor type electric power active filter two parts mould respectively possessing timesharing energy-storage function
Block, a part be harmonic carcellation module, a part be timesharing energy-storage module, harmonic carcellation module include DC source 1,
Inverter 2, current transformer 3, harmonic wave extractor 4, central processing unit 5 and pwm baud generator 6, direct current
Source 1 connects inverter 2, and inverter 2 is connected to transmission line of electricity between electrical network 14 and load 15, current transformer
3 connect load 15 harmonic extractors 4 respectively, and harmonic wave extractor 4, central processing unit 5, pwm ripple produce
Device 6 and inverter 2 are sequentially connected, and timesharing energy-storage module includes timesharing energy storage controller 7 and filling of being sequentially connected
Circuit 8, energy-storage travelling wave tube 9 and booster circuit 10, charging circuit 8 passes through the first time-shared switch 12 and connects load
Side transmission line of electricity, booster circuit 10 is in parallel with DC source 1 by the second time-shared switch 13, timesharing energy storage controller
7 connect the first time-shared switch 12 and the second time-shared switch 13 respectively.First time-shared switch 12 and charging circuit 8
Between be provided with reduction voltage circuit 11.Above booster circuit 10, reduction voltage circuit 11, inverter 2 etc. are prior art
Circuit structure.
Wherein, central processing unit 5 and timesharing energy storage controller 7 are dsp processor, can long-time stable fortune
Go and data-handling efficiency is good.Central processing unit 5 and timesharing energy storage controller 7 are respectively connected with data storage,
Data storage saves historical data, and is easy to subsequently connect data transfer during host computer.Inverter 2 using by
The three phase full bridge that igbt (insulated gate bipolar transistor, insulated gate bipolar transistor) is constituted is inverse
Become circuit.
This outdoor type electric power active filter is installed in housing by screw, is provided with Air cooler and radiating in housing
Hole, thermal diffusivity is good.
The harmonic wave that this device can produce to load-side nonlinear-load compensates, and improves the system side quality of power supply,
Avoid the generation of electric power fine for owner.Load current is detected by current transformer 3, after analog-to-digital conversion,
Harmonic wave extractor 4 extracts the harmonic componentss in load current, and central processing unit 5 sends harmonic wave according to harmonic componentss
So that inverter 2 produces, harmonious wave component is equal in magnitude, direction to pwm baud generator 6 for compensating instruction
Contrary electric current simultaneously injects in electrical network 14, reaches the purpose of filtering.
Timesharing energy storage can also be carried out while harmonic wave in elimination system, absorb from electrical network 14 in the low power consumption phase
Electric energy, is stored by timesharing energy-storage module, discharges for harmonic carcellation module DC side in peak times of power consumption
Use.Thus peak-valley difference between eliminating round the clock, so that power equipment can be used more effectively.In addition distributed
The higher power system of power supply permeability, by the discharge and recharge of timesharing energy-storage module, can export to distributed power source
Power is controlled and adjusts, and preferably solves the problems, such as that the uncontrollable of distributed power source and power swing are larger, promotees
Enter the application of regenerative resource and the popularization of distributed generation technology, reduce the consumption to conventional energy resource.
Can adopt by the energy-storage travelling wave tubes such as accumulator battery or super capacitor 9 in timesharing energy-storage module, and be stored up by timesharing
Energy storage, release can be controlled by controller 7, timesharing energy storage controller 7 connects energy-storage travelling wave tube by voltage sensor
9, therefore can be with the voltage status of real-time monitoring energy-storage travelling wave tube 9.The effect of energy-storage system is peak load shifting, with
During electric low ebb, open the first time-shared switch 12 and close the second time-shared switch 13, electricity is stored, electricity consumption is high
During peak, close the first time-shared switch 12 and open the second time-shared switch 13, then electricity is seen off, reach balance electricity
The purpose of power load.Therefore, comprehensive electric cost can be saved using timesharing energy-storage module, absorb electricity in low cost
Can, discharge when peak, obtain the economic interests that electricity price between peak and valley brings.
Secondly, the foundation of DC voltage when harmonic carcellation module starts of timesharing energy-storage module can also play important
Effect, thus simplifying the startup of compensation device, facilitates compensating for the stable operation of device.
Voltage sensor is parallel with DC source 1 simultaneously, voltage sensor connects timesharing energy storage controller 7, point
When energy storage controller 7 real-time monitoring DC source 1 whether normally run.Therefore, timesharing energy-storage module is in harmonic carcellation
When module DC bus capacitor or DC source 1 fault, open the second time-shared switch 13, can be temporarily harmonic carcellation
Module provides DC voltage to support, and improves system protection redundancy.
Claims (8)
1. a kind of outdoor type electric power active filter possessing timesharing energy-storage function, including DC source (1), inverse
Become device (2), current transformer (3), harmonic wave extractor (4), central processing unit (5) and pwm ripple to produce
Device (6), described DC source (1) connects inverter (2), described inverter (2) be connected to electrical network (14) with
Transmission line of electricity between load (15), described current transformer (3) connects load (15) harmonic respectively and extracts
Device (4), described harmonic wave extractor (4), central processing unit (5), pwm baud generator (6) and inverter
(2) it is sequentially connected it is characterised in that also including timesharing energy storage controller (7) and the charging electricity being sequentially connected
Road (8), energy-storage travelling wave tube (9) and booster circuit (10), described charging circuit (8) passes through the first time-shared switch
(12) connect load-side transmission line of electricity, described booster circuit (10) passes through the second time-shared switch (13) and direct current
Source (1) is in parallel, and described timesharing energy storage controller (7) connects the first time-shared switch (12) and the second timesharing respectively
Switch (13)；
Current transformer (3) detects load current, and the harmonic wave that harmonic wave extractor (4) extracts in load current becomes
Point, central processing unit (5) sends harmonic compensation according to harmonic componentss and instructs to pwm baud generator (6), makes
Obtain inverter (2) to produce a harmonious wave component electric current equal in magnitude, in opposite direction and inject electrical network (14)
In, timesharing energy storage controller (7), in the electricity consumption low peak period setting, is opened the first time-shared switch (12) and is closed
Close the second time-shared switch (13), energy-storage travelling wave tube (9) storage energy, in the peak of power consumption setting, close first
Time-shared switch (12) simultaneously opens the second time-shared switch (13), and energy-storage travelling wave tube (9) releases energy.
2. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, it is provided with reduction voltage circuit (11) between described first time-shared switch (12) and charging circuit (8).
3. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, also include the voltage sensor being parallel on DC source (1), described voltage sensor connects and divides
When energy storage controller (7).
4. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, described energy-storage travelling wave tube (9) is accumulator battery or super capacitor group.
5. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, described central processing unit (5) and timesharing energy storage controller (7) are respectively connected with data storage
Device.
6. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, described central processing unit (5) and timesharing energy storage controller (7) are dsp processor.
7. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, described timesharing energy storage controller (7) connects energy-storage travelling wave tube (9) by voltage sensor.
8. a kind of outdoor type electric power active filter possessing timesharing energy-storage function according to claim 1,
It is characterized in that, also include housing, this outdoor type electric power active filter is installed in housing by screw, institute
State and in housing, be provided with Air cooler and louvre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442334.9A CN106374481A (en) | 2015-07-24 | 2015-07-24 | Outdoor power active filtering device with time-sharing energy storage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442334.9A CN106374481A (en) | 2015-07-24 | 2015-07-24 | Outdoor power active filtering device with time-sharing energy storage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106374481A true CN106374481A (en) | 2017-02-01 |
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ID=57880563
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442334.9A Pending CN106374481A (en) | 2015-07-24 | 2015-07-24 | Outdoor power active filtering device with time-sharing energy storage function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277970A (en) * | 2017-06-13 | 2017-10-20 | 谢兴达 | The illuminator of electric energy is stored using low-valley interval |
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| CN101719673A (en) * | 2009-12-28 | 2010-06-02 | 苏州工业园区和顺电气股份有限公司 | Active electric power filter with energy storage function |
| CN102290841A (en) * | 2011-08-13 | 2011-12-21 | 罗俊亚 | Peak clipping and valley filling electric vehicle swapping station for distribution network |
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| JP5619687B2 (en) * | 2011-07-05 | 2014-11-05 | 本田技研工業株式会社 | Semiconductor device driving apparatus and method |
| CN204928143U (en) * | 2015-07-24 | 2015-12-30 | 利思电气（上海）有限公司 | Outdoor type active power filter who possesses timesharing energy storage function |
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2015
- 2015-07-24 CN CN201510442334.9A patent/CN106374481A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719673A (en) * | 2009-12-28 | 2010-06-02 | 苏州工业园区和顺电气股份有限公司 | Active electric power filter with energy storage function |
| JP5619687B2 (en) * | 2011-07-05 | 2014-11-05 | 本田技研工業株式会社 | Semiconductor device driving apparatus and method |
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| CN102684195A (en) * | 2012-05-22 | 2012-09-19 | 浙江大学 | Low pass filter, active power filtering device and harmonic detection method |
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| CN204928143U (en) * | 2015-07-24 | 2015-12-30 | 利思电气（上海）有限公司 | Outdoor type active power filter who possesses timesharing energy storage function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277970A (en) * | 2017-06-13 | 2017-10-20 | 谢兴达 | The illuminator of electric energy is stored using low-valley interval |
| CN107277970B (en) * | 2017-06-13 | 2018-11-30 | 谢兴达 | Utilize the lighting system of low-valley interval storage electric energy |
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Application publication date: 20170201 |
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