CN101986498A - Modular filter - Google Patents
Modular filter Download PDFInfo
- Publication number
- CN101986498A CN101986498A CN2010105350412A CN201010535041A CN101986498A CN 101986498 A CN101986498 A CN 101986498A CN 2010105350412 A CN2010105350412 A CN 2010105350412A CN 201010535041 A CN201010535041 A CN 201010535041A CN 101986498 A CN101986498 A CN 101986498A
- Authority
- CN
- China
- Prior art keywords
- phase
- winding
- iron core
- mutually
- wound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Filters And Equalizers (AREA)
Abstract
The invention discloses a modular filter consisting of a winding iron core and a three-phase winding ABC, wherein the winding iron core is formed by overlapping a plurality of steel discs. The modular filter is characterized in that the winding iron core is provided with three wrapping posts; the first winding of a three-phase line is respectively wound on the three wrapping posts in sequence; the second winding of the three-phase line is wound as follows: phase A is wound below phase B wound below phase C, phase C is wound below phase A; the third winding of the three-phase line is wound as follows: phase A is wound below phase C wound below phase B, phase B is wound below phase A; and in the winding method, current flowing past phase A and opposing windings wound on the iron cores of phase B and phase C are utilized to offset partial current of phase B and phase C, thereby preventing the generation of harmonics.
Description
Technical field
The present invention relates to a kind of novel modular harmonic filtration device, mainly utilize a phase harmonic current to react on another phase harmonic current, offset harmonic wave, belong to electric field.
Background technology
Under perfect condition, electric current in the electrical network and voltage all are pure sine waves.In recent years,, the harmonic component in the operation of power networks is sharply increased, thereby had a strong impact on the quality of power supply, jeopardize Electrical Safety, cause energy waste along with the extensive use of power electronic equipment.Harmonic wave is that periodicity non-sine electric weight is carried out fourier decomposition, obtains the component of a series of different frequencies, and wherein the part greater than fundamental frequency is called harmonic wave, and the ratio of harmonic frequency and fundamental frequency is called harmonic number.When sinusoidal fundamental wave voltage put on non-linear equipment, the electric current of generation was different with the voltage waveform that applies, and distortion has taken place electric current, has promptly produced harmonic wave.Because load is connected with electrical network, harmonic current injects electrical network, and these equipment just become the harmonic source in the electrical network.Measure in containing the electrical network of harmonic wave, the relation between apparent power S and active power P and the reactive power Q is: S〉P+Q, remaining power is exactly distortion power C; Like this, apparent power S just becomes three vector power sums, that is: S=P+Q+C.Distortion power has the character of reactive power, and therefore, the existence of harmonic current can be regarded the increase of reactive power as.Its existence can increase the copper loss of circuit and transformer, and the power factor of electrical network is reduced.For example, the higher harmonic current that the semi-conducting material production equipment produces can reach the 50Hz first-harmonic electric current 60 ~ 90%, increase energy consumption greatly and to the pollution of electrical network.In large enterprise, because a large amount of energy-saving spot lamp and frequency converter of using, higher harmonic current reaches 40% of fundamental current, causes a large amount of losses of power factor compensation cabinet building-out capacitor.Also there is not effective abatement equipment at present.
Summary of the invention
The purpose of this invention is to provide a kind of modular filter.
What the present invention will solve is to prevent that the high order harmonic component that subscriber equipment produces from flowing into high order harmonic component inflow subscriber equipment in electrical network or the electrical network.
For realizing purpose of the present invention, the technical solution used in the present invention is:
Modular filter of the present invention, constitute by winding iron core and three phase winding ABC, winding iron core is formed by stacking by the polylith steel disc, it is characterized in that: winding iron core has three wrapping posts, and first winding of triple line is respectively according to the order of sequence on three wrapping posts, second winding of triple line is that A is below the B phase, B is below the C phase, and C is below the A phase, and the tertiary winding of triple line is that A is below the C phase, B is below the A phase, and C is below the B phase; The electric current that this winding utilizes A to flow through mutually at B phase iron core and C reciprocal pair of winding of iron core winding mutually, is offset the part electric current that B goes up mutually with C mutually, thereby prevents the generation of harmonic wave.
Two steel discs up and down of winding iron core are high frequency slope film alloy silicon steel sheet, and all the other steel discs are silicon steel sheet; The bundle number of the every phase winding of three phase winding ABC is all identical.
This equipment not only winding method is simple, easily produces, and can prevent effectively that harmonic wave to the harm that power consumption equipment produces, should have vast market prospect.
Description of drawings
Fig. 1 is the schematic diagram of modular filter of the present invention;
Among the figure: 1, winding iron core.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
As shown in Figure 1, modular filter of the present invention is made of winding iron core 1 and three phase winding ABC, and winding iron core 1 is formed by stacking by the polylith steel disc, winding iron core 1 has three wrapping posts, first winding of triple line respectively according to the order of sequence on three wrapping posts, second winding of triple line be A below the B phase, B is below the C phase, C is below the A phase, the tertiary winding of triple line be A below the C phase, B is below the A phase, C is below the B phase; Be generally earlier first and second and three windings, then around first and second and three windings of B phase, again around first and second and three windings of C phase around the A phase; The electric current that this winding utilizes A to flow through mutually, at B phase iron core and C reciprocal pair of winding of iron core winding mutually, thereby B phase iron core and C mutually iron core produce a reverse harmonic current, offset B mutually and the harmonic current gone up mutually of C, effectively prevent the generation of harmonic wave.Winding iron core) two steel discs up and down are high frequency slope film alloy silicon steel sheet, and all the other steel discs are silicon steel sheet, the better effects if of anti-like this harmonic wave; The bundle number of the every phase winding of three phase winding ABC is all identical; The connection of its internal interface terminal is: a meets a1, and A1 meets a2, and b meets b1, and B1 meets b2, and c meets c1, and C1 meets c2.
The using method of this equipment is: A, B, three binding posts of C and corresponding house lead in are in parallel, corresponding lc circuit of another termination or electric capacity get final product, so just can prevent harmonic wave in the electrical network effectively to the influence of power consumption equipment, the harmonic wave that produces of power consumption equipment can not pollute electrical network yet simultaneously.
Claims (3)
1. modular filter, constitute by winding iron core (1) and three phase winding ABC, winding iron core (1) is formed by stacking by the polylith steel disc, it is characterized in that: winding iron core (1) has three wrapping posts, and first winding of triple line is respectively according to the order of sequence on three wrapping posts, second winding of triple line is that A is below the B phase, B is below the C phase, and C is below the A phase, and the tertiary winding of triple line is that A is below the C phase, B is below the A phase, and C is below the B phase; The electric current that this winding utilizes A to flow through mutually, at B phase iron core and C reciprocal pair of winding of iron core winding mutually, thereby B phase iron core and C mutually iron core produce a reverse harmonic current, offset B mutually and the harmonic current gone up mutually of C, effectively prevent the generation of harmonic wave.
2. modular filter according to claim 1 is characterized in that: two steel discs up and down of described winding iron core (1) are high frequency slope film alloy silicon steel sheet, and all the other steel discs are silicon steel sheet.
3. modular filter according to claim 1 is characterized in that: the bundle number of the every phase winding of described three phase winding ABC is all identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105350412A CN101986498A (en) | 2010-11-09 | 2010-11-09 | Modular filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105350412A CN101986498A (en) | 2010-11-09 | 2010-11-09 | Modular filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101986498A true CN101986498A (en) | 2011-03-16 |
Family
ID=43710816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105350412A Pending CN101986498A (en) | 2010-11-09 | 2010-11-09 | Modular filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101986498A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944530Y (en) * | 2006-09-07 | 2007-09-05 | 佛山市顺德区恒导电气科技有限公司 | Power filter |
| CN101069338A (en) * | 2004-10-29 | 2007-11-07 | 布林克曼有限及两合公司 | Polyphase line filter |
| CN100545966C (en) * | 2007-08-10 | 2009-09-30 | 东南大学 | Harmonic suppressing energy-saving transformer |
| CN201846079U (en) * | 2010-11-09 | 2011-05-25 | 舟山大豪节能科技有限公司 | Modular filtering device |
-
2010
- 2010-11-09 CN CN2010105350412A patent/CN101986498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069338A (en) * | 2004-10-29 | 2007-11-07 | 布林克曼有限及两合公司 | Polyphase line filter |
| CN200944530Y (en) * | 2006-09-07 | 2007-09-05 | 佛山市顺德区恒导电气科技有限公司 | Power filter |
| CN100545966C (en) * | 2007-08-10 | 2009-09-30 | 东南大学 | Harmonic suppressing energy-saving transformer |
| CN201846079U (en) * | 2010-11-09 | 2011-05-25 | 舟山大豪节能科技有限公司 | Modular filtering device |
Non-Patent Citations (4)
| Title |
|---|
| 《变压器》 19990430 王红霞 等 超微晶合金在测量用电流互感器铁心中的应用 42-46 1-3 第36卷, 第4期 * |
| 《变压器》 20100131 冯奕 等 一种双输出缓谐波变压器的性能仿真与试验 28-32 1-3 第47卷, 第1期 * |
| 《现代电力》 20061231 李国栋 等 曲折接线变压器抑制零序三次谐波电流方法研究 40-44 1-3 第23卷, 第6期 * |
| 《电工电能新技术》 20050430 谢鹏 等 三绕组谐波屏蔽变压器的研究 41-43，80 1-3 第24卷, 第2期 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106972505A (en) | The hybrid power electronic transformer and its control method of unified power quality controlling | |
| CN104953582B (en) | A kind of three phase network disturbing generating device and its control method | |
| CN103595048A (en) | Mixed induction type active electric power filter system | |
| CN102332723A (en) | Automatic resonance type electric power filtering and continuous reactive power compensation hybrid system | |
| CN101950969A (en) | H-bridge cascade type active power filter | |
| Ito et al. | Harmonic current reduction control for grid-connected PV generation systems | |
| CN105185555A (en) | Main boosting transformer for wind farm | |
| CN105048825A (en) | Super-power cascade type high-voltage inverter and method for surge inhibiting of super-power cascade type high-voltage inverter | |
| CN201846079U (en) | Modular filtering device | |
| CN206516457U (en) | A kind of photovoltaic inversion double division boosting dry-type transformers of conjugation-type | |
| CN103248053A (en) | Harmonic suppression device for shunt controllable reactor | |
| CN202026091U (en) | Nonresonant zero-sequence filtering device based on magnetic flux compensation | |
| CN101986498A (en) | Modular filter | |
| Deng et al. | Energy Saving Analysis of Harmonic Suppression in a Distribution Network | |
| CN206076956U (en) | Three-phase four-wire active filter cabinet | |
| CN205377291U (en) | Parallel -connected hybrid active power filter | |
| CN201805228U (en) | Special low-voltage active power filter for tobacco industry | |
| CN201417951Y (en) | Tunable filter | |
| CN2882074Y (en) | Series active filter with short-circuit current-limit function | |
| CN205945043U (en) | Peak overvoltage protection circuit | |
| CN203707777U (en) | Harmonic protector | |
| CN207074954U (en) | Leakage current absorption plant and application of frequency converter system in a kind of frequency convertor system | |
| CN203014381U (en) | Line trap | |
| CN204390862U (en) | The efficient non-crystaline amorphous metal intermediate frequency transformer of a kind of direct current networking | |
| CN202737476U (en) | Dynamic wattless compensation and harmonic suppression complete equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110316 |