CN205123256U - Active electric power filter - Google Patents
Active electric power filter Download PDFInfo
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- CN205123256U CN205123256U CN201520835747.9U CN201520835747U CN205123256U CN 205123256 U CN205123256 U CN 205123256U CN 201520835747 U CN201520835747 U CN 201520835747U CN 205123256 U CN205123256 U CN 205123256U
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- harmonic elimination
- drawer type
- elimination module
- type harmonic
- rack
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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 utility model relates to an active electric power filter, can conveniently satisfy on -the -spot to the filter capacity the demand and conveniently overhaul, it includes the rack and can accept a plurality of drawer type harmonic elimination modules in the rack, wherein, the rack is inside to be formed with a plurality of being used for and to accept through separating the subassembly the accommodating space of drawer type harmonic elimination module, be provided with the slip subassembly on the partition subassembly, drawer type harmonic elimination module is passed through the slip subassembly with separate subassembly sliding connection, can with drawer type harmonic elimination module pushes accommodating space perhaps will drawer type harmonic elimination module is followed accommodating space takes out, drawer type harmonic elimination module includes and is used for feeding back harmonic elimination offset current's harmonic elimination unit and centering on to the electric wire netting the outside casing of harmonic elimination unit, be provided with electrically conductive clamping part on the casing, drawer type harmonic elimination module is passed through electrically conductive clamping part with the generating line of rack is connected, the generating line of rack is used for connecting the electric wire netting.
Description
Technical field
The utility model relates to field of power electronics, particularly relates to a kind of Active Power Filter-APF.
Background technology
Along with develop rapidly and the extensive use of power electronic technology, electric energy obtains and utilizes more fully.But such as the non-linear power electronic equipment of rectifying device, frequency converter, computer etc. makes the voltage and current of electrical network distort, produce electric energy harmonic wave.Further, along with the increase of non-linear equipment quantity and the increase day by day of its capacity, make Harmonious Waves in Power Systems pollution problem increasingly extensive, had a strong impact on the quality of electric energy, great impact is caused on the safety of electric power system, economical operation.
In order to improve the quality of electric energy, improve the quality of power distribution network, conventional method adopts harmonic suppression apparatus such as Active Power Filter-APF (English: Activepowerfilter, abbreviation: APF) to electrical network output harmonic wave erasure signal, to suppress or to eliminate the harmonic wave of electrical network.
When now producing filter, design capacity can be carried out according to user's field demand.But user is once the certain filter of capacity of choosing, even if find the no longer realistic requirement of the capacity of this filter after running a period of time at the scene, also can only reselect the filter of capacity suitable, replace the filter of former choosing, not only waste time and energy but also expensive.Further, when filter breaks down, site examining and repairing is also inconvenient.
Utility model content
Technical problem
In view of this, the technical problems to be solved in the utility model is, how to meet the on-the-spot demand to Active Power Filter-APF capacity easily.
Solution
According to an aspect of the present utility model, provide a kind of Active Power Filter-APF, comprise rack and the multiple drawer type harmonic elimination modules in described rack can be housed in, wherein, described interior of equipment cabinet is formed with multiple receiving space for accommodating described drawer type harmonic elimination module by partition component; Described partition component is provided with slide assemblies, described drawer type harmonic elimination module is slidably connected by described slide assemblies and described partition component, described drawer type harmonic elimination module can be pushed described receiving space or described drawer type harmonic elimination module be extracted out from described receiving space; Described drawer type harmonic elimination module comprises for feeding back the harmonic elimination unit of harmonic elimination offset current to electrical network and being centered around the housing of described harmonic elimination unit outside, described housing is provided with conductive holding portion, described drawer type harmonic elimination module is connected with the bus of described rack by described conductive holding portion, and the bus of described rack is for connecting described electrical network.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described slide assemblies comprises slide rail, the described housing of described drawer type harmonic elimination module is provided with pulley and handle, and described drawer type harmonic elimination module and described partition component to be coordinated with described slide rail by described pulley and realize being slidably connected.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described slide assemblies comprises conveyer belt, gear and handle, described handle is connected with described gear, and described drawer type harmonic elimination module and described partition component to be coordinated with described gear by described conveyer belt and realize being slidably connected.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described conductive holding portion is crocodile clip.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described rack is also provided with the temperature-adjusting device for regulating the temperature in described rack.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described rack is also provided with the display for showing described Active Power Filter-APF running status.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, also comprise: sampling module, be connected with described electrical network, for gathering harmonic current from described electrical network; And master controller, be connected respectively with described sampling module and each described drawer type harmonic elimination module, for receiving described harmonic current from described sampling module, and transmit control signal to each described drawer type harmonic elimination module, described control signal produces the harmonic elimination offset current contrary with described harmonic current direction for controlling each described drawer type harmonic elimination module.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described drawer type harmonic elimination module also comprises: communication unit, control unit and driver element, wherein, described communication unit is connected with described master controller, for receiving described control signal from described master controller; Described control unit is connected with described communication unit, for receiving described control signal from described communication unit, and sends drive singal to described driver element; Described driver element is connected with described control unit, for receiving described drive singal from described control unit, and applies control voltage to described harmonic elimination unit; Described harmonic elimination unit is connected with described driver element, under the control of described control voltage, produces described harmonic elimination offset current.
For above-mentioned Active Power Filter-APF, in a kind of possible implementation, described drawer type harmonic elimination module also comprises Switching Power Supply, and described Switching Power Supply is connected with described electrical network, and is connected respectively with described control unit, described driver element and described harmonic elimination unit.
Beneficial effect
By accommodating multiple drawer type harmonic elimination module in rack, and described interior of equipment cabinet is formed with multiple receiving space for accommodating described drawer type harmonic elimination module by partition component; Described partition component is provided with slide assemblies, described drawer type harmonic elimination module is slidably connected by described slide assemblies and described partition component, thus described drawer type harmonic elimination module can be pushed in described rack or by described drawer type harmonic elimination module simply, easily and extract out from described rack.The on-the-spot demand to Active Power Filter-APF capacity can be met easily according to the Active Power Filter-APF of the utility model embodiment, and, when filter breaks down, at the scene just can quick-replaceable, and can overhaul filter easily.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, further feature of the present utility model and aspect will become clear.
Accompanying drawing explanation
Comprise in the description and form the accompanying drawing of a part for specification and specification together illustrates exemplary embodiment of the present utility model, characteristic sum aspect, and for explaining principle of the present utility model.
Fig. 1 illustrates the front view of the Active Power Filter-APF according to the utility model one embodiment;
Fig. 2 illustrates the end view of the Active Power Filter-APF according to the utility model one embodiment;
Fig. 3 illustrates the top view of the Active Power Filter-APF according to the utility model one embodiment;
Fig. 4 illustrates the schematic diagram be connected with the bus of rack according to the drawer type harmonic elimination module of the Active Power Filter-APF of the utility model one embodiment;
Fig. 5 illustrates the block diagram of the Active Power Filter-APF according to the utility model one embodiment.
Embodiment
Various exemplary embodiment of the present utility model, characteristic sum aspect is described in detail below with reference to accompanying drawing.The same or analogous element of Reference numeral presentation function identical in accompanying drawing.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".
In addition, in order to better the utility model is described, in embodiment hereafter, give numerous details.It will be appreciated by those skilled in the art that do not have some detail, the utility model can be implemented equally.In some instances, the method known for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present utility model.
Fig. 1 illustrates the front view of the Active Power Filter-APF according to the utility model one embodiment.As shown in Figure 1, this Active Power Filter-APF comprises rack 100, wherein, contains multiple drawer type harmonic elimination module 110 in described rack 100, further, described rack 100 inside is formed with multiple receiving space S for accommodating described drawer type harmonic elimination module 110 by partition component 120; Described partition component 120 is provided with slide assemblies 121, described drawer type harmonic elimination module 110 is slidably connected with described partition component 120 by described slide assemblies 121, described drawer type harmonic elimination module 110 can be pushed described receiving space S or described drawer type harmonic elimination module 110 be extracted out from described receiving space S; Described drawer type harmonic elimination module 110 comprise for electrical network feedback harmonic elimination offset current harmonic elimination unit 116 (can see Fig. 5) and be centered around the housing 111 (can see Fig. 4) of described harmonic elimination unit 116 outside, described housing 111 is provided with conductive holding portion 112 (can see Fig. 4), described drawer type harmonic elimination module 110 is connected with the bus of described rack 100 by described conductive holding portion 112, and the bus of described rack 100 is for connecting described electrical network.
Like this, by accommodating multiple drawer type harmonic elimination module 110 in rack 100, and described rack 100 is formed with receiving space S for each described drawer type harmonic elimination module 110 respectively by partition component 120, described partition component 120 is provided with slide assemblies 121, described drawer type harmonic elimination module 110 is slidably connected with described partition component 120 by described slide assemblies 121, thus described drawer type harmonic elimination module 110 can be moved relative to described partition component 120 by described slide assemblies 121, with simply, easily described drawer type harmonic elimination module 110 is pushed in described rack 100 or by described drawer type harmonic elimination module 110 and extract out from described rack 100.The on-the-spot demand to Active Power Filter-APF capacity can be met easily according to the Active Power Filter-APF of the utility model embodiment, and, when filter breaks down, at the scene just can quick-replaceable, and can overhaul filter easily.
In a kind of possible implementation, described slide assemblies 121 can comprise slide rail, the housing 111 of described drawer type harmonic elimination module 110 is provided with pulley and handle, by pulling described handle, described pulley is slided on described slide rail, to make described drawer type harmonic elimination module 110 move relative to described partition component 120, also namely to be coordinated with described slide rail by described pulley and achieve being slidably connected of described drawer type harmonic elimination module 110 and described partition component 120.In the end view of the Active Power Filter-APF according to the utility model one embodiment shown in Fig. 2, Reference numeral 4 diagrammatically illustrates described pulley.
In the implementation that another kind is possible, described slide assemblies 121 can also comprise conveyer belt, gear and handle, described handle is used for being connected with described gear, can rotate clockwise by shaking described handle strip moving gear clockwise, described drawer type harmonic elimination module 110 is moved together with described conveyer belt, to push in described rack 100 by described drawer type harmonic elimination module 110 relative to described partition component 120; In addition, rotate counterclockwise by shaking described handle strip moving gear counterclockwise, described drawer type harmonic elimination module 110 is moved relative to described partition component 120 together with described conveyer belt, so that described drawer type harmonic elimination module is extracted out from described rack.Like this, to be coordinated with described gear by described conveyer belt and can realize being slidably connected of described drawer type harmonic elimination module 110 and described partition component 120.
Certainly, also drawer type harmonic elimination module 110 can be pushed in rack 100 or by the implementation that described drawer type harmonic elimination module 110 is extracted out from described rack 100 and be designed to, clockwise swinging handle driven gear rotates clockwise, described drawer type harmonic elimination module 110 is moved together with described conveyer belt, described drawer type harmonic elimination module to be extracted out from described rack 100 relative to described partition component 120; And shake described handle strip moving gear counterclockwise and rotate counterclockwise, described drawer type harmonic elimination module 110 is moved together with described conveyer belt, described drawer type harmonic elimination module 110 to be pushed in described rack 100 relative to described partition component 120.
Those skilled in the art will be understood that the utility model is not limited thereto.Existing drawer pull principle can also be adopted to realize described drawer type harmonic elimination module 110 from the pull of described cabinet 100 with push, or adopt other any drawer type harmonic elimination module 110 that can make can realize relative to the mode of partition component 120 movement of described cabinet 100.
In a kind of possible implementation, described conductive holding portion 112 is crocodile clip or pluggable copper folder.Fig. 4 is shown drawer type harmonic elimination module 110 and is pressed from both sides the schematic diagram be connected with the bus of rack by pluggable copper.Wherein, as shown in Figure 4, when single-phase, three conducting rods being arranged on rack 100 back side are connected with the bus of electrical network, live wire, zero line respectively; At three phase times, three conducting rods being arranged on rack 100 back side are connected with the A phase of electrical network, B phase, C respectively.
In a kind of possible implementation, as shown in Figure 3 according to the top view of the Active Power Filter-APF of the utility model one embodiment, on described rack 100, the top that is specifically as follows rack 100 is also provided with temperature-adjusting device 5 for regulating the temperature in described rack 100, and temperature-adjusting device 5 is specifically as follows blower fan.By regulating the temperature in rack 100, thus the heat that each drawer type harmonic elimination module 110 produces at work being shed, the normal work of Active Power Filter-APF can be maintained, and improve the useful life of Active Power Filter-APF.The setting position of temperature-adjusting device 5 is not limited to the top of rack 100, can also be arranged on any position effectively can improving temperature in rack 100.
In a kind of possible implementation, as shown in Figure 1, on described rack 100, the sidepiece that is specifically as follows rack 100 is also provided with display 1 for showing described Active Power Filter-APF running status, display 1 is specifically as follows LCDs, the described running status information that can to comprise the information relevant with the harmonic current in described electrical network relevant with the harmonic elimination offset current that exports with each described drawer type harmonic elimination module 110.Site operation personnel can judge by the above-mentioned information shown by this display 1 that whether the operation of drawer type harmonic elimination module capacity that is whether normal or present drawer formula harmonic elimination module is enough.The setting position of display 1 is not limited to the sidepiece of rack 100, can also be arranged on any position that site operation personnel can be facilitated to watch.
In a kind of possible implementation, as shown in Figure 5, sampling module 130 and master controller 140 can also be comprised according to the Active Power Filter-APF of the utility model embodiment, wherein, described sampling module 130 is connected with described electrical network, for gathering the harmonic current in described electrical network; Master controller 140 is connected respectively with described sampling module 130 and each described drawer type harmonic elimination module 110 (1), 110 (2) etc., for receiving described harmonic current from described sampling module 130, and transmit control signal to each described drawer type harmonic elimination module 110 (1), 110 (2) etc., described control signal produces the harmonic elimination offset current contrary with described harmonic current direction for controlling each described drawer type harmonic elimination module.Particularly, described control signal may be used for the size controlling the harmonic elimination offset current that each described drawer type harmonic elimination module produces, the size sum of the harmonic elimination offset current produced to make each described drawer type harmonic elimination module is identical with the size of described harmonic current, and direction is to instead.
In Fig. 5 only with two drawer type harmonic elimination modules 110 (1) and 110 (2) for being illustrated the Active Power Filter-APF according to the utility model embodiment, those skilled in the art will be understood that the utility model is not limited thereto.The drawer type harmonic elimination module of more than three can also be comprised, in order to unified specification is to facilitate volume production and installation, the function that preferred each drawer type harmonic elimination module realizes is all identical with internal structure, have employed identical Reference numeral in Figure 5 to same parts in drawer type harmonic elimination module 110 (1) and 110 (2).
Be described for the drawer type harmonic elimination module of drawer type harmonic elimination module 110 (1) and 110 (2) to the utility model embodiment below with reference to Fig. 5.In a kind of possible implementation, as shown in Figure 5, described drawer type harmonic elimination module 110 (1) and 110 (2) can also comprise: communication unit 113, control unit 114 and driver element 115, wherein, described communication unit 113 is connected with described master controller 140, for receiving described control signal from described master controller 140; Described control unit 114 is connected with described communication unit 113, for receiving described control signal from described communication unit 113, and sends drive singal to described driver element 115; Described driver element 115 is connected with described control unit 114, for receiving described drive singal from described control unit 114, and applies control voltage to described harmonic elimination unit 116; Described harmonic elimination unit 116 is connected with described driver element 115, under the control of described control voltage, produces described harmonic elimination offset current.
In a kind of possible specific implementation, harmonic elimination unit 116 can be (English: InsulatedGateBipolarTransistor primarily of insulated gate bipolar transistor, IGBT) abbreviation: the device composition such as, therefore, driver element 115 can apply control voltage by the control end to the IGBT in harmonic elimination unit 116, makes harmonic elimination unit 116 to electrical network output harmonic wave erasure signal.Control voltage can be the voltage of the IGBT opening and closing made in harmonic elimination unit 116.
In a kind of possible implementation, as shown in Figure 5, can also comprise according to the drawer type harmonic elimination module 110 (1) and 110 (2) of the utility model embodiment: harmonic elimination output unit 118.Harmonic elimination unit 116 sends the harmonic elimination offset current of generation to harmonic elimination output unit 118, and above-mentioned harmonic elimination offset current exports in electrical network via crocodile clip 112 by this harmonic elimination output unit 118.
In a kind of possible implementation, the drawer type harmonic elimination module 110 (1) and 110 (2) according to the utility model embodiment can also comprise: Switching Power Supply 117.Described Switching Power Supply 117 is connected with described electrical network, and is connected respectively with described control unit 114, described driver element 115, described harmonic elimination unit 116 and harmonic elimination output unit 118.The voltage transitions of electrical network can be the operating voltage of described control unit 114, described driver element 115, described harmonic elimination unit 116 and harmonic elimination output unit 118 by described Switching Power Supply 117.
The execution mode according to Active Power Filter-APF of the present utility model is described above, the benefit that the Active Power Filter-APF that the following describes the above-mentioned execution mode of the utility model produces referring to figs. 1 to Fig. 5.
First, for manufacturer, due to core power unit (i.e. drawer type harmonic elimination module) standardization, each drawer type harmonic elimination module can be designed to capacity, such as 20A and 50A etc. that fix, therefore, except producing the rack of unified specification, only need produce a kind of drawer type active power filtering unit (i.e. drawer type harmonic elimination module) of specification, do not need the active power filtering cabinet producing various capacity, thus raw-material kind and specification can be greatly reduced, save raw-material expenditure and stock.Can be mass drawer type active power filtering unit, be convenient to production management, aging and test.
In addition, owing to containing multiple drawer type harmonic elimination module in rack, and described rack is formed with receiving space for each described drawer type harmonic elimination module respectively by partition component, described segmentation assembly is provided with slide assemblies, thus described drawer type harmonic elimination module can be moved relative to described partition component by described slide assemblies, extract out from the receiving space of described rack simply, easily described drawer type harmonic elimination module is pushed in the receiving space of described rack or by described drawer type harmonic elimination module.Therefore, can the various capacity requirement of flexible combination.This makes the active power filtering cabinet not needing the various capacity of stock, after user's order comes, follows according to its different filter capacity requirement, assembles the rack of the drawer type active power filtering unit comprising different number, quick and convenient.Therefore considerable benefit can be brought to factory.
For user, when situation changes at the scene, such as, need to increase or reduce filter capacity, only need the quantity increasing or reduce drawer type active power filtering unit, and without the need to changing active power filtering cabinet.Therefore on-the-spot application is greatly facilitated.Further, when occurring that a certain drawer type active power filtering unit breaks down at the scene, only need change this drawer type active power filtering unit, also not need variation active power filtering cabinet, therefore greatly convenient on-the-spot maintenance and test.Therefore it is also by the welcome deeply by user.
Those skilled in the art will be understood that; the above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (9)
1. an Active Power Filter-APF, is characterized in that, comprises rack and can be housed in the multiple drawer type harmonic elimination modules in described rack, wherein,
Described interior of equipment cabinet is formed with multiple receiving space for accommodating described drawer type harmonic elimination module by partition component;
Described partition component is provided with slide assemblies, described drawer type harmonic elimination module is slidably connected by described slide assemblies and described partition component, described drawer type harmonic elimination module can be pushed described receiving space or described drawer type harmonic elimination module be extracted out from described receiving space;
Described drawer type harmonic elimination module comprises for feeding back the harmonic elimination unit of harmonic elimination offset current to electrical network and being centered around the housing of described harmonic elimination unit outside, described housing is provided with conductive holding portion, described drawer type harmonic elimination module is connected with the bus of described rack by described conductive holding portion, and the bus of described rack is for connecting described electrical network.
2. Active Power Filter-APF according to claim 1, it is characterized in that, described slide assemblies comprises slide rail, the described housing of described drawer type harmonic elimination module is provided with pulley and handle, and described drawer type harmonic elimination module and described partition component to be coordinated with described slide rail by described pulley and realize being slidably connected.
3. Active Power Filter-APF according to claim 1, it is characterized in that, described slide assemblies comprises conveyer belt, gear and handle, described handle is connected with described gear, and described drawer type harmonic elimination module and described partition component to be coordinated with described gear by described conveyer belt and realize being slidably connected.
4. Active Power Filter-APF according to any one of claim 1 to 3, is characterized in that, described conductive holding portion is crocodile clip.
5. Active Power Filter-APF according to claim 4, is characterized in that, described rack is also provided with the temperature-adjusting device for regulating the temperature in described rack.
6. Active Power Filter-APF according to claim 5, is characterized in that, described rack is also provided with the display for showing described Active Power Filter-APF running status.
7. Active Power Filter-APF according to claim 6, is characterized in that, also comprises:
Sampling module, is connected with described electrical network, for gathering harmonic current from described electrical network; And
Master controller, be connected respectively with described sampling module and each described drawer type harmonic elimination module, for receiving described harmonic current from described sampling module, and transmit control signal to each described drawer type harmonic elimination module, described control signal produces the harmonic elimination offset current contrary with described harmonic current direction for controlling each described drawer type harmonic elimination module.
8. Active Power Filter-APF according to claim 7, is characterized in that, described drawer type harmonic elimination module also comprises: communication unit, control unit and driver element, wherein,
Described communication unit is connected with described master controller, for receiving described control signal from described master controller;
Described control unit is connected with described communication unit, for receiving described control signal from described communication unit, and sends drive singal to described driver element;
Described driver element is connected with described control unit, for receiving described drive singal from described control unit, and applies control voltage to described harmonic elimination unit;
Described harmonic elimination unit is connected with described driver element, under the control of described control voltage, produces described harmonic elimination offset current.
9. Active Power Filter-APF according to claim 8, it is characterized in that, described drawer type harmonic elimination module also comprises Switching Power Supply, and described Switching Power Supply is connected with described electrical network, and is connected respectively with described control unit, described driver element and described harmonic elimination unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835747.9U CN205123256U (en) | 2015-10-26 | 2015-10-26 | Active electric power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835747.9U CN205123256U (en) | 2015-10-26 | 2015-10-26 | Active electric power filter |
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| Publication Number | Publication Date |
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| CN205123256U true CN205123256U (en) | 2016-03-30 |
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| CN201520835747.9U Active CN205123256U (en) | 2015-10-26 | 2015-10-26 | Active electric power filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162123A (en) * | 2015-10-26 | 2015-12-16 | 上海华艾软件股份有限公司 | Active power filter |
| CN111509595A (en) * | 2020-04-27 | 2020-08-07 | 浙江稳山电气科技有限公司 | Parallel power active filter based on direct-current voltage control |
-
2015
- 2015-10-26 CN CN201520835747.9U patent/CN205123256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162123A (en) * | 2015-10-26 | 2015-12-16 | 上海华艾软件股份有限公司 | Active power filter |
| CN111509595A (en) * | 2020-04-27 | 2020-08-07 | 浙江稳山电气科技有限公司 | Parallel power active filter based on direct-current voltage control |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: No. 1719 jialo Road, Jiading District, Shanghai, B6 Patentee after: SHANGHAI ELECON INTELLIGENT TECHNOLOGY CO., LTD. Address before: Room 501, No. 501, No. 288, Zhabei District JIANGCHANG, Shanghai, Shanghai Patentee before: SHANGHAI ELECON SOFTWARE CO., LTD. |
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| TR01 | Transfer of patent right |