CN112952567A - Hybrid electric energy quality management device based on reactive compensation and active filtering - Google Patents
Hybrid electric energy quality management device based on reactive compensation and active filtering Download PDFInfo
- Publication number
- CN112952567A CN112952567A CN202110208752.7A CN202110208752A CN112952567A CN 112952567 A CN112952567 A CN 112952567A CN 202110208752 A CN202110208752 A CN 202110208752A CN 112952567 A CN112952567 A CN 112952567A
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- Prior art keywords
- reactive compensation
- circuit board
- main circuit
- device based
- shell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a hybrid electric energy quality control device based on reactive compensation and active filtering, which comprises a rack shell, wherein a mounting plate is arranged in the rack shell, a support column is arranged below the mounting plate, a reactive compensation main circuit board is arranged on the mounting plate, a low-voltage series reactor is arranged at the upper end of the reactive compensation main circuit board, a low-voltage power capacitor is arranged on one side of the low-voltage series reactor, a voltage and current sampler is arranged at the front end of the low-voltage power capacitor, and a source filtering main circuit board is arranged at the rear end of the low-voltage power capacitor; according to the hybrid electric energy quality management device based on reactive compensation and active filtering, the reactive compensation main circuit board, the active filtering main circuit board and the voltage and current sampler are arranged on the same mounting plate, so that the reactive compensation and filtering can be combined together by a centralized sampling and unified control method, the integration of filtering compensation can be realized, the operation is stable, and the cost is low.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a hybrid electric energy quality control device based on reactive compensation and active filtering.
Background
The SVG static var generator adopts a self-commutation bridge circuit formed by turn-off power electronic devices (IGBT), is connected in parallel to a power grid through a reactor, and properly adjusts the amplitude and phase of output voltage at the alternating current side of the bridge circuit or directly controls the current at the alternating current side of the bridge circuit. The reactive power required by the system is quickly absorbed or sent out, and the purpose of quickly and dynamically adjusting the reactive power is achieved. As an active form compensation device, the active form compensation device not only can track the impact current of an impact type load, but also can track and compensate harmonic current;
the active filter device is used for overcoming the defects of traditional harmonic suppression and reactive power compensation methods (the traditional method can only carry out fixed compensation) such as an LC filter and the like, realizing dynamic tracking compensation and supplementing harmonic and reactive power; the three-phase circuit instantaneous reactive power theory is a main basic theory for APF development; APF has two types of parallel connection and series connection, and the APF is used for a plurality of purposes; the parallel active filter device mainly treats current harmonic waves, and the series active filter device mainly treats problems caused by voltage harmonic waves and the like. Compared with the active filter device, the active filter device has good treatment effect, can mainly filter multiple times and higher harmonics simultaneously, and cannot cause resonance;
the two devices of the existing reactive compensation device and the active filter device are mature reactive compensation devices and filter devices in the existing market, and the two devices are control systems which independently run, wherein the reactive compensation device and the active filter device are complex in configuration, and either the compensation effect or the filter effect is poor; meanwhile, two sets of control systems are adopted, so that the operation is inconvenient, the installation is complicated, the cost is relatively high, and the inconvenience is brought to the use.
Disclosure of Invention
Aiming at the defects of the background technology, the invention provides a hybrid type electric energy quality management device based on reactive compensation and active filtering, and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a device is administered to electric energy quality based on reactive compensation, active filtering mixed type, includes the frame shell, the inside of frame shell is provided with the mounting panel, and the below of mounting panel is provided with the support column, be provided with reactive compensation main circuit board on the mounting panel, the upper end of reactive compensation main circuit board is provided with low pressure series reactor, low pressure power capacitor is installed to one side of low pressure series reactor, and voltage, current sample thief are installed to low pressure power capacitor's front end, low pressure power capacitor's rear end is equipped with the active filtering main circuit board, and the below of active filtering main circuit board is provided with the fan, the front end of frame shell is provided with the apron, and the embedding is provided with the main control board on the front end apron of frame shell.
Preferably, a plurality of groups of screw holes are formed at two ends of the frame shell.
Preferably, the rack shell is composed of a cover plate, a bottom shell, a side shell, an upper panel and a lower panel, and the cover plate, the upper panel, the lower panel and the bottom shell are all provided with folding edge structures.
Preferably, an APF mounting hole is formed in the lower portion of the cover plate, a first phase wiring column is arranged above the cover plate, and a second phase wiring column is arranged on one side of the first phase wiring column.
Preferably, the upper panel and the lower panel of the frame shell are provided with heat dissipation air inlets and heat dissipation holes.
Preferably, a heat dissipation air outlet is formed in the side shell of the rack shell.
Preferably, the reactive compensation main circuit board and the active filter main circuit board are operated and operated through instructions of the main control board.
Preferably, the voltage and current sampler, the low-voltage power capacitor, the low-voltage series reactor, the reactive compensation main circuit board and the active filter main circuit board can form a whole through a mounting plate, and the whole is connected with the frame shell through screw packaging.
The invention has the following beneficial effects: this based on reactive compensation, active filtering mixed type electric energy quality administers device combines together reactive compensation device and active filter device, sets up on same mounting panel through setting up reactive compensation main circuit board, active filter main circuit board and voltage current sample thief, makes it use of mutually supporting to can concentrate the method of sampling unified control to combine reactive compensation and filtering together, can realize filtering compensation's integration, the operation is stable, and the cost is lower moreover, convenient operation, it is simple to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a hybrid power quality management device based on reactive compensation and active filtering;
FIG. 2 is a schematic diagram of a main control board in a hybrid power quality management device based on reactive compensation and active filtering according to the present invention;
FIG. 3 is a partial view of the top panel of the housing of a hybrid power quality management device based on reactive compensation and active filtering according to the present invention;
fig. 4 is a partial view of a cover plate of a housing of a hybrid power quality management device based on reactive compensation and active filtering according to the present invention.
In the figure: 1. a main control panel; 2. a voltage and current sampler; 3. a low voltage power capacitor; 4. a low-voltage series reactor; 5. a reactive compensation main circuit board; 6. an active filter main circuit board; 7. a housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The drawings in the embodiments of the invention: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.
Referring to fig. 1-4, a hybrid electric energy quality control device based on reactive compensation and active filtering comprises a rack shell 7, wherein a mounting plate is arranged inside the rack shell 7, a support column is arranged below the mounting plate, a reactive compensation main circuit board 5 is arranged on the mounting plate, a low-voltage series reactor 4 is arranged at the upper end of the reactive compensation main circuit board 5, a low-voltage power capacitor 3 is arranged on one side of the low-voltage series reactor 4, a voltage and current sampler 2 is arranged at the front end of the low-voltage power capacitor 3, an active filtering main circuit board 6 is arranged at the rear end of the low-voltage power capacitor 3, a fan is arranged below the active filtering main circuit board 6, a cover plate is arranged at the front end of the rack shell 7, and a main control board 1 is embedded in the cover plate at the front end of the rack shell 7.
A plurality of groups of screw holes are formed at two ends of the frame shell 7; the frame shell 7 consists of a cover plate, a bottom shell, a side shell, an upper panel and a lower panel, and the cover plate, the upper panel, the lower panel and the bottom shell are all provided with a hem structure; an APF mounting hole is formed below the cover plate, a first phase wiring column is arranged above the cover plate, and a second phase wiring column is arranged on one side of the first phase wiring column; the upper panel and the lower panel of the frame shell 7 are provided with a heat dissipation air inlet and a heat dissipation hole; a heat dissipation air outlet is formed in the side shell of the rack shell 7; the reactive compensation main circuit board 5 and the active filter main circuit board 6 are operated and operated by the instruction of the main control board 1; the voltage and current sampler 2, the low-voltage power capacitor 3, the low-voltage series reactor 4, the reactive compensation main circuit board 5 and the active filter main circuit board 6 can form a whole through a mounting plate, and the whole is connected with the frame shell 7 through screw packaging.
It should be noted that, the hybrid power quality management device based on reactive compensation and active filtering is provided, wherein the main control panel 1 is used for automatically adjusting the control device to perform filtering and compensation; the voltage and current signal sampler 2 is used for collecting voltage and current; the low-voltage power capacitor 3 is used for outputting reactive power; the low-voltage series reactor 4 is used for protecting the low-voltage power capacitor 3; the reactive compensation main circuit board 5 is used for receiving the instruction of the main control board 1 and inputting corresponding reactive power according to the demand; the active filter main circuit board 6 is used for receiving the instruction of the main control board 1 and sending out corresponding harmonic elimination current according to the demand; the housing shell 7 is used to assemble the device.
When the device works, the device is firstly electrified, the main control board 1 can issue the control device after the device is electrified, and then the device starts to enter a standby working state when a starting command is sent; then, data are collected by a voltage sampler and a current sampler and then are input to the main control board 1, and the main control board 1 can automatically calculate and send an instruction, so that a filtering part and a compensation part of the device are controlled to be put into use as required; then controlling the biological reactive compensation main circuit board 5 to input corresponding reactive power according to the demand according to the instruction on the main control board 1, and controlling the active filter main circuit board 6 to send out corresponding harmonic elimination current according to the demand according to the instruction on the main control board 1, wherein the device also sends out reactive power through the low-voltage power capacitor 3 at full power and can also output rated filter current; the main control panel 1 plays a main role, can be independently input according to needs, and can also be used for manually setting the input amount of each component.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a manage device based on reactive compensation, active filtering mixed type electric energy quality, includes frame shell (7), its characterized in that: the inside of frame shell (7) is provided with the mounting panel, and the below of mounting panel is provided with the support column, be provided with reactive compensation main circuit board (5) on the mounting panel, the upper end of reactive compensation main circuit board (5) is provided with low pressure series reactor (4), low pressure electric power capacitor (3) are installed to one side of low pressure series reactor (4), and the front end of low pressure electric power capacitor (3) installs voltage, current sample thief (2), the rear end of low pressure electric power capacitor (3) is equipped with source filter main circuit board (6), and the below of source filter main circuit board (6) is provided with the fan, the front end of frame shell (7) is provided with the apron, and the embedding is provided with main control panel (1) on the front end apron of frame shell (7).
2. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: a plurality of groups of screw holes are formed in the two ends of the rack shell (7).
3. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: the rack shell (7) is composed of a cover plate, a bottom shell, a side shell, an upper panel and a lower panel, and the cover plate, the upper panel, the lower panel and the bottom shell are all provided with folding edge structures.
4. The hybrid power quality management device based on reactive compensation and active filtering of claim 3, wherein: the APF mounting hole is formed in the lower portion of the cover plate, a first phase wiring column is arranged above the cover plate, and a second phase wiring column is arranged on one side of the first phase wiring column.
5. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: and the upper panel and the lower panel of the frame shell (7) are provided with heat dissipation air inlets and heat dissipation holes.
6. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: and a heat dissipation air outlet is formed in the side shell of the rack shell (7).
7. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: the reactive compensation main circuit board (5) and the active filter main circuit board (6) are operated and operated through instructions of the main control board (1).
8. The hybrid power quality management device based on reactive compensation and active filtering of claim 1, wherein: the voltage and current sampler (2), the low-voltage power capacitor (3), the low-voltage series reactor (4), the reactive compensation main circuit board (5) and the active filter main circuit board (6) can form a whole through a mounting plate, and the whole is connected with the rack shell (7) through screw packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208752.7A CN112952567A (en) | 2021-02-24 | 2021-02-24 | Hybrid electric energy quality management device based on reactive compensation and active filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208752.7A CN112952567A (en) | 2021-02-24 | 2021-02-24 | Hybrid electric energy quality management device based on reactive compensation and active filtering |
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| Publication Number | Publication Date |
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| CN112952567A true CN112952567A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110208752.7A Pending CN112952567A (en) | 2021-02-24 | 2021-02-24 | Hybrid electric energy quality management device based on reactive compensation and active filtering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381420A (en) * | 2021-07-29 | 2021-09-10 | 江苏宜源电力设备有限公司 | Multifunctional low-voltage reactive compensation filtering complete device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211790767U (en) * | 2020-04-30 | 2020-10-27 | 广东汇通电气有限公司 | Hybrid compensation system using active power filter and reactive power compensation device |
| CN212462799U (en) * | 2020-07-20 | 2021-02-02 | 江苏清科电气有限公司 | SVG/APF module unit adopting single-tube IGBT |
-
2021
- 2021-02-24 CN CN202110208752.7A patent/CN112952567A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211790767U (en) * | 2020-04-30 | 2020-10-27 | 广东汇通电气有限公司 | Hybrid compensation system using active power filter and reactive power compensation device |
| CN212462799U (en) * | 2020-07-20 | 2021-02-02 | 江苏清科电气有限公司 | SVG/APF module unit adopting single-tube IGBT |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381420A (en) * | 2021-07-29 | 2021-09-10 | 江苏宜源电力设备有限公司 | Multifunctional low-voltage reactive compensation filtering complete device |
| CN113381420B (en) * | 2021-07-29 | 2023-08-29 | 江苏宜源电力设备有限公司 | Multifunctional low-voltage reactive compensation filtering complete device |
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Application publication date: 20210611 |