WO2014171852A1 - Сетевой фильтр - Google Patents
Сетевой фильтр Download PDFInfo
- Publication number
- WO2014171852A1 WO2014171852A1 PCT/RU2013/000336 RU2013000336W WO2014171852A1 WO 2014171852 A1 WO2014171852 A1 WO 2014171852A1 RU 2013000336 W RU2013000336 W RU 2013000336W WO 2014171852 A1 WO2014171852 A1 WO 2014171852A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- load
- current
- core
- coil
- line wires
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/06—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using impedances
-
- 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
Definitions
- the invention relates to the field of electrical engineering and can be used to prevent abrupt current changes in circuits with devices powered by an alternating current network, to prevent the long-term supply of excess voltage to the load circuit and to save energy actively and reactively
- non-adaptive filters i.e. filters without adaptive elements whose parameters depend on the current in the load circuit
- adaptive filters i.e. filters without adaptive elements whose parameters depend on the current in the load circuit
- the disadvantage of this filter is its low efficiency with a quick short-term increase or decrease in the current in the load, both due to external and internal reasons.
- the specified filter is not capable of filtering both high-frequency and mid-frequency current changes at the same time and does not provide a mode of saving active and reactive energy.
- Known surge protector described in patent RU 2446549 (IPC ⁇ 02 ⁇ 1 / 16, 03/27/2012), selected as a prototype, containing inductors with cores included in the gap of the linear wires, and a capacitor connecting the linear wires to each other, and included in each of the linear wires, current filtering inductances with a core, equipped with at least one additional winding, with at least two filter-correcting circuits connected between the linear wires, the input of each of which is connected to the output of one of the additional Extra windings.
- the objective of the invention is improving the design of the surge protector.
- the technical result of the invention is aimed at using the energy of the current increasing in the load to reduce the total component of the current flowing in the load and to reduce the current supplied to the load from the network, with the control of the allowable limit of voltage reduction in the load according to technical characteristics and, as a result, to save electricity consumed by the load.
- the line filter contains an inductance coil with a core and a current filtering inductance with a core equipped with at least one additional winding included in the gaps of each of the linear wires, a capacitor and at least two filter-correcting ones are connected between the linear wires the circuit, the input of each of which is connected to the output of one of the additional windings, further comprises a bias coil connected in series between the linear wires and a ballast inductance with a core, a threshold device connected at the input between the linear wires, an electronic switching device connected between one of the linear wires and the connection point of the magnetizing coil and the ballast inductance, while the output of the threshold device is connected to an electronic switching device, and the magnetizing coil installed on at least one of the cores of the inductors.
- FIG. one The block diagram of the economizer line filter is shown in FIG. one.
- the line filter includes input 1, 2 and output 3, 4 conclusions for connecting it to the gap of linear wires A and B.
- inductors 5 and 6 are connected, with cores and a capacitor 7, forming a broadband filter, and, sequentially with them, current filtering inductances 8 and 9, for example medium-frequency filters, with cores.
- the current filtering inductors 8 and 9 are equipped with additional windings 10 and 1 1.
- At least two are connected between the linear wires, for example, two filter-correcting circuits A and B.
- Each of the filter-correcting circuits A and B contains an electronic key, respectively 12 and 13, and reactive 14 and 15 elements.
- the outputs of the additional windings 10 and 1 1 through the detecting devices 16 and 17 are connected respectively to the electronic key elements 12 and 13 of the filter-correcting circuits A and B.
- a magnetization coil 18 is installed, connected by one output to the linear wire C, and the second output to the first output of the ballast inductance 19, which is connected to the linear wire D by the second output
- a threshold device 20 is connected that provides an on or off signal to an electronic switching device 21 connected between the connection point of the magnetization coil 18 and the ballas tnu inductance 19 and a linear wire D.
- the surge protector works as follows. When the load is connected to the output terminals 3, 4 of the linear wires C and D, the current begins to flow in a closed circuit: input terminal 1, inductance coil 5, current filtering inductance 8, in which medium-frequency currents are filtered, load, current filtering inductance 9, coil inductance 6, output terminal 2.
- a broadband filter formed by inductors 5, 6 and capacitor 7 provides smoothing of current pulses when they occur in the load.
- the filter-correcting circuits A and B are turned on when the voltage at the additional windings 10 and 1 1 reaches the response thresholds of the detecting elements 16 and 17.
- these response thresholds depend on the current-voltage and time-frequency characteristics of the detecting elements 16 and 17 and can be selected, for example, one more than the other. If a voltage is created on the additional winding 10 at which the voltage on the detecting element 16 exceeds the threshold of operation of the key element 12, then the key element 12 will turn on and together with the reactive element 14 will activate the filter-correction circuit B. If voltage is generated on the winding 1 1, when where the voltage at the detecting element 17 exceeds the response threshold of the key element 13, the key element 13 will turn on and together with the reactive element 15 will make the filter-correcting circuit A. active.
- the time values of the detecting elements 16 and 17 are chosen in such a way that switching on and off the filter-correcting circuits occurs rather smoothly, but not slowly - over several dozens of periods of the supply voltage frequency. With a decrease in the current in the load, either constant or pulsed, the process of disconnecting the filter-correcting circuits A and B goes in the opposite of the order described above.
- the connection of filter-correcting circuits A and B leads to the removal of reactive currents from the load into these parallel circuits, which leads to a dynamic decrease in the phase angle between the current and voltage in the circuit relative to the input at terminals 1, 2 and a decrease in the calculated power consumption.
- the threshold device 20 if the voltage at the terminals 1, 2 exceeds the threshold set by the parameters of the threshold device 20, the latter is triggered and sends a signal to be switched on to the electronic switching device 21, the latter turns on and closes the ballast inductance 19, which creates a decrease in the current at the outputs 3, 4 of the network filter by a large amount, for example by 10-14%.
- the algorithm of the network filter operation with the load current leads to a decrease in electric power consumption, including at the active and active-capacitive type loads.
- a gas-filled lighting lamp with a launch system was used as a load.
- the inductive current of the starting device and the lamp does not pass through the input terminals 1, 2, but closes in the filter-correcting circuits A and B.
- the parameters of the filter-correcting circuits can be quite accurately selected, because the ratio of reactive and active current of the lamp during operation does not change significantly. If the voltage supplied from the network to the line filter is not enough to turn on the threshold device, then the load current in the input circuits of the filter due to the creation of magnetization is reduced by a small amount. If the input voltage rises and triggers a threshold device, then the amount of current reduction on the line filter increases and filters out, i.e.
- the inventive line filter combines a decrease in the total current consumed from the network with an allowable threshold decrease in the supply mains current supplied to the load, which significantly saves the energy consumed by the load.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Emergency Protection Circuit Devices (AREA)
- Coils Or Transformers For Communication (AREA)
- Filters And Equalizers (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2015116665A RU2608071C2 (ru) | 2013-04-18 | 2013-04-18 | Сетевой фильтр |
EA201500980A EA028881B1 (ru) | 2013-04-18 | 2013-04-18 | Сетевой фильтр |
PCT/RU2013/000336 WO2014171852A1 (ru) | 2013-04-18 | 2013-04-18 | Сетевой фильтр |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/RU2013/000336 WO2014171852A1 (ru) | 2013-04-18 | 2013-04-18 | Сетевой фильтр |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014171852A1 true WO2014171852A1 (ru) | 2014-10-23 |
Family
ID=51731661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2013/000336 WO2014171852A1 (ru) | 2013-04-18 | 2013-04-18 | Сетевой фильтр |
Country Status (3)
Country | Link |
---|---|
EA (1) | EA028881B1 (ru) |
RU (1) | RU2608071C2 (ru) |
WO (1) | WO2014171852A1 (ru) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2138914C1 (ru) * | 1994-03-29 | 1999-09-27 | Акционерное научно-производственное общество закрытого типа "Эмсотех Лтд." | Фильтр для подавления помех в сетях электроснабжения |
US20100156194A1 (en) * | 2008-12-24 | 2010-06-24 | Hamid Navid | Device for filtering harmonics |
RU2446549C1 (ru) * | 2011-02-16 | 2012-03-27 | Владимир Сергеевич Кучин | Сетевой фильтр |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2138891C1 (ru) * | 1997-07-14 | 1999-09-27 | Открытое акционерное общество "Электроаппарат" | Разветвитель |
-
2013
- 2013-04-18 EA EA201500980A patent/EA028881B1/ru not_active IP Right Cessation
- 2013-04-18 WO PCT/RU2013/000336 patent/WO2014171852A1/ru active Application Filing
- 2013-04-18 RU RU2015116665A patent/RU2608071C2/ru not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2138914C1 (ru) * | 1994-03-29 | 1999-09-27 | Акционерное научно-производственное общество закрытого типа "Эмсотех Лтд." | Фильтр для подавления помех в сетях электроснабжения |
US20100156194A1 (en) * | 2008-12-24 | 2010-06-24 | Hamid Navid | Device for filtering harmonics |
RU2446549C1 (ru) * | 2011-02-16 | 2012-03-27 | Владимир Сергеевич Кучин | Сетевой фильтр |
Also Published As
Publication number | Publication date |
---|---|
EA028881B1 (ru) | 2018-01-31 |
RU2015116665A (ru) | 2016-11-20 |
RU2608071C2 (ru) | 2017-01-13 |
EA201500980A1 (ru) | 2016-02-29 |
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