CN203645327U - Modular design suitable for active electric power filter - Google Patents
Modular design suitable for active electric power filter Download PDFInfo
- Publication number
- CN203645327U CN203645327U CN201320806095.7U CN201320806095U CN203645327U CN 203645327 U CN203645327 U CN 203645327U CN 201320806095 U CN201320806095 U CN 201320806095U CN 203645327 U CN203645327 U CN 203645327U
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- igbt
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- modules
- power filter
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- 238000013461 design Methods 0.000 title abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
-
- 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]
Abstract
Modules suitable for an active electric power filter comprise a main power module and a main switch module; the main power module comprises fuses, an IGBT power unit, a DC bus capacitor, an IGBT drive board and a radiator; and the main switch module comprises lightning arresters, air switches, starting resistors, contactors, current transformers, an auxiliary power supply and a relay set. Each module has an independent casing and has signal ports and power ports to be connected with the outside. The modular design has the advantages that the two function modules are both independent modules which are mutually isolated, and anti-electromagnetic interference capability is good; internal circuits in the modules are tightly assigned, and the whole size is largely reduced; the main power module is wired by utilization of a busbar laminating manner, compared with traditional wiring copper bars, wiring occupation volume is reduced and inductance coefficient and impedance are reduced, and voltage spike at two terminals of each IGBT is suppressed to a certain extent; and the modular design provides an efficient path for parallel connection operation of multiple main power modules, and facilitates installation and maintenance of the system.
Description
Technical field
The utility model relates to active power technology field, specifically a kind of module that is applicable to Active Power Filter-APF.
Background technology
Along with development of modern industry, the increase of various nonlinear loads and device for converting electric energy causes the harmonic pollution in electrical network day by day serious.Harmonic wave increases power network line loss, and device efficiency and power factor (PF) reduce, and even cause the damage of power equipment and power consumption equipment.
Traditional static power filter Heavy Weight, bulky, and can only be for specific times harmonic, thereby the research of Active Power Filter-APF is subject to people's attention day by day.And the technology of Active Power Filter-APF is not also very ripe, miniaturization, modular product are developing direction of today.
Summary of the invention
The purpose of this utility model is design a kind of miniaturization, modularization, the light-duty module that is applicable to Active Power Filter-APF.
A kind of module that is applicable to Active Power Filter-APF of the utility model, comprise main power model and main switch module, described main power model comprises fuse, IGBT power cell and dc-link capacitance, and IGBT drive plate and radiator, wherein IGBT power cell forms three-phase and four-line bridge circuit, dc-link capacitance is connected with bridge circuit DC terminal, bridge circuit output is connected with fuse, IGBT drive plate provides driving force for IGBT power cell, and radiator is close to IGBT power cell for its heat radiation; Described main switch module
,comprise that lightning arrester, sky leave, starting resistance, contactor, current transformer, accessory power supply and relay group, wherein current transformer is enclosed within on output line, contactor, empty open string are in output line, and starting resistance is also in parallel with it, lightning arrester in output line end.Module all has independent case body, externally has signal port and power port.
Connect dc-link capacitance and IGBT power cell with laminated bus bar.
Described laminated bus bar comprises anodal conductor, cathode conductor and middle insulating barrier.Anodal conductor, cathode conductor are copper, and insulating barrier is PET insulating paper.Wherein, positive plate and negative plate are connected respectively the two-stage of dc-link capacitance, and positive and negative terminal connects respectively C, the E end of IGBT.
The advantage of a kind of module that is applicable to Active Power Filter-APF of the utility model is:
1, two functional modules are standalone module, isolation mutually, and anti-electromagnetic interference capability is good;
2, its internal circuit is arranged closely, and overall volume reduces greatly;
3, main power model adopts laminated bus bar martingale, has reduced wiring and take volume, reduced inductance coefficent and impedance compared with traditional wired copper bar, and IGBT both end voltage spike is also had to certain inhibitory action;
4, the parallel connectionization operation that modularized design is how main power model provides effective way, has facilitated the I&M of system simultaneously.
Brief description of the drawings
Fig. 1 is the hardware system figure of active power filter for three-phase four-wire system;
Fig. 2 is conventional active power filter for three-phase four-wire system product front hardware layout viewing;
The conventional active power filter for three-phase four-wire system product of Fig. 3 reverse side hardware layout viewing;
Fig. 4 active power filter for three-phase four-wire system modularized design entire block diagram;
Fig. 5 hardware system and functional module corresponding diagram;
The main power model hardware of Fig. 6 layout viewing;
Fig. 7 laminated bus bar schematic diagram;
Fig. 8 main switch module hardware layout viewing.
Embodiment
Shown in root Ju Fig. 1-Fig. 8, a kind of module that is applicable to Active Power Filter-APF, comprises main power model and main switch module, and described main power model comprises fuse, IGBT power cell and dc-link capacitance and IGBT drive plate and radiator; Described main switch module
,comprise that lightning arrester, sky leave, starting resistance, contactor, current transformer, accessory power supply and relay group.Module all has independent case body, externally has signal port and power port.
Connect dc-link capacitance and IGBT power cell with laminated bus bar.
Described laminated bus bar comprises anodal conductor, cathode conductor and middle insulating barrier.Anodal conductor, cathode conductor are copper, and insulating barrier is PET insulating paper.Wherein, positive plate and negative plate are connected respectively the two-stage of dc-link capacitance, and positive and negative terminal connects respectively C, the E end of IGBT.
Further illustrate implementation method of the present utility model below in conjunction with Figure of description:
Fig. 1 is the hardware system of active power filter for three-phase four-wire system.The utility model is set forth taking active power filter for three-phase four-wire system as object, and its main circuit and each functional unit are as shown in the figure.
The hardware that Fig. 2, Fig. 3 are respectively conventional active power filter for three-phase four-wire system cabinet front and the reverse side schematic diagram of arranging.
Fig. 4 is active power filter for three-phase four-wire system modularized design entire block diagram, and wherein the modularized design of main power model and main switch module is main target.
Fig. 5 is hardware system and functional module corresponding diagram.This is based on above-mentioned method for designing, hardware circuit to be reconfigured by function.Wherein main power model plays the effect of energy storage and power transfer, and main switch module is integrated, and exercises switch and protection switch also attach current sample.
Fig. 6 is main power model hardware layout viewing.In modular tank, be placed with from top to down dc-link capacitance, IGBT power cell, fuse and IGBT drive plate by power trends, IGBT power cell and fuse are fixed on radiator, wherein dc-link capacitance is connected by laminated bus bar with IGBT power cell, and overall structure is tight.Main power model external interface is divided into: the fiber optic data communication interface of casing lower left, and convenient and Main Control Tank transmission drives signal and state information; A, B, C, the N phase main electrical scheme terminal of casing below.
Fig. 7 is laminated bus bar part schematic diagram.The laminated bus bar that connects dc-link capacitance and IGBT power cell comprises: the anodal conductor being made up of positive plate and plus end, the cathode conductor being made up of negative plate and negative terminal and middle insulating barrier.Anodal conductor, cathode conductor are copper, and insulating barrier is PET insulating paper.Wherein, positive plate and negative plate are connected respectively the two-stage of dc-link capacitance, and positive and negative terminal connects respectively C, the E end of IGBT.
Fig. 8 is main switch module hardware layout viewing.In modular tank, be placed with that lightning arrester, sky leave, starting resistance, contactor, current transformer, accessory power supply and relay group.Module externally by line bank with carry out signal transmission with Main Control Tank.
Claims (3)
1. a module that is applicable to Active Power Filter-APF, is characterized in that: comprise main power model and main switch module, described main power model comprises fuse, IGBT power cell and dc-link capacitance and IGBT drive plate and radiator; Described main switch module
,comprise that lightning arrester, sky leave, starting resistance, contactor, current transformer, accessory power supply and relay group, module all has independent case body, externally has signal port and power port.
2. a kind of module that is applicable to Active Power Filter-APF according to claim 1, is characterized in that; Connect dc-link capacitance and IGBT power cell with laminated bus bar.
3. a kind of module that is applicable to Active Power Filter-APF according to claim 2, is characterized in that; Described laminated bus bar comprises anodal conductor, cathode conductor and middle insulating barrier; Anodal conductor, cathode conductor are copper, and insulating barrier is PET insulating paper; Wherein, positive plate and negative plate are connected respectively the two-stage of dc-link capacitance, and positive and negative terminal connects respectively C, the E end of IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806095.7U CN203645327U (en) | 2013-12-10 | 2013-12-10 | Modular design suitable for active electric power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806095.7U CN203645327U (en) | 2013-12-10 | 2013-12-10 | Modular design suitable for active electric power filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203645327U true CN203645327U (en) | 2014-06-11 |
Family
ID=50876548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806095.7U Expired - Lifetime CN203645327U (en) | 2013-12-10 | 2013-12-10 | Modular design suitable for active electric power filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203645327U (en) |
-
2013
- 2013-12-10 CN CN201320806095.7U patent/CN203645327U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
|
| CX01 | Expiry of patent term |