EP2147491A1 - Active filter having multilevel topology - Google Patents
Active filter having multilevel topologyInfo
- Publication number
- EP2147491A1 EP2147491A1 EP08735680A EP08735680A EP2147491A1 EP 2147491 A1 EP2147491 A1 EP 2147491A1 EP 08735680 A EP08735680 A EP 08735680A EP 08735680 A EP08735680 A EP 08735680A EP 2147491 A1 EP2147491 A1 EP 2147491A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- terminal
- power semiconductor
- connection
- turn
- power
- 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.)
- Ceased
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
- H02J3/18—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
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
- H02J3/1857—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters wherein such bridge converter is a multilevel converter
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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]
Definitions
- the invention relates to a device for influencing the electrical energy transmission of a multi-phase AC line with phase modules, each having an AC terminal for connecting to each one phase of the AC line and two horrin- conclusions, between each connection connection and each AC terminal a Phasenmodul- branch extends, which consists of a series circuit of submodules, each having a power semiconductor circuit and a power semiconductor circuit connected in parallel to the energy storage, and wherein the gleichsanschlüs ⁇ se are interconnected.
- Such a device is already be ⁇ known from US 6,075,350.
- a so-called multilevel power converter is described, which is provided for filtering harmonic harmonics of the mains frequency of an AC line and for reactive power compensation.
- the previously known power converter has, for each phase of the AC voltage network, a phase module which has an AC voltage terminal, to which each phase module is connected in each case to one phase of the AC voltage line.
- each phase module on a series circuit of submodules, which are designed as two poles each submodule has a Kon ⁇ capacitor and in parallel with the capacitor a Voul bridge circuit of power semiconductors.
- Each of these turn-off power semiconductors is a freewheeling ⁇ de connected in opposite directions in parallel.
- the object of the invention is therefore to provide a device of the type mentioned, which is inexpensive.
- the invention achieves this object in that the power semiconductor circuit has ⁇ off power semiconductors up, which are connected together in a half-bridge.
- an active filter with a multilevel topology is provided.
- a phase ⁇ module is provided for each phase or in the case of application of the active filter in a DC voltage intermediate circuit for each pole, which consists of a series connection of submodules.
- the submodules are bipoles and have two terminals.
- each submodule has an energy store, for example a capacitor, to which a power semiconductor circuit is connected in parallel.
- the voltage dropping across the energy store can be generated at the connection terminals or else a zero voltage.
- a half-bridge circuit is provided according to the invention.
- each submodule has a first terminal, a second terminal, an energy storage device and a two series-connected turn-off power semiconductor having power semiconductor branch connected in parallel to the energy store, wherein each turn-off power semiconductor an opposite free-wheeling diode is connected in parallel maral ⁇ tet and Connection point of the emitter of a first turn-off power semiconductor of the power semiconductor branch and the anode of the first turn-off power semiconductor associated opposing freewheeling diode, the first terminal and the connection point of the disconnectable Power semiconductor of the power semiconductor branch and the freewheeling diodes form the second terminal.
- each sub-module, a first terminal and a second terminal ⁇ terminal wherein the power semiconductor circuit has a two series-connected turn-off power semiconductor aufwei ⁇ send a power semiconductor branch connected in parallel to the E- nergie Grande, wherein each turn-off power semiconductor, a opposing diode is connected in parallel and the connection point of the collector of the first turn-off ⁇ ble power semiconductor of the power semiconductor branch and the cathode of the first turn-off power semiconductor associated opposing freewheeling diode, the first terminal and the connection point of the turn-off power semiconductor ⁇ semiconductors of the power semiconductor branch and the Freilaufdi ⁇ ode the Form second connection terminal.
- a further phase module is provided that one having Erdpoten ⁇ potential associated ground terminal and two connection terminals ⁇ connections, said circuit and the ground terminal extends a respective phase module branch between each kausan-, the description of a series circuit of submodules with each connection terminal connected to the connection terminal of the remaining phase modules.
- damping of the negative sequence system is provided. Rather, the grounding also allows the outflow of zero system currents, so that their suppression in the AC voltage line is also possible.
- a capacitor module with a ground connection and two connections is provided. dung connections provided, one Kondensa is connected between the earth connection and each connection terminal respectively ⁇ formed torzweig, which consists of one or more capacitors that are connected in series to each other, wherein each connection terminal is connected to a connection terminal of the phase module branches. Also via the ground terminal of the capacitor module, the outflow of Nullsys ⁇ temströmen is possible.
- the capacitor module can thus ⁇ additionally equipped with the above-described phase module with egg nem ground connection or just see instead pre ⁇ . Both in the grounded phase module and in the capacitor module, a central arrangement of the grounding ⁇ connection and thus a symmetrical configuration of the capacitor module is appropriate.
- phase module branches of a phase module extending between the connection connection and the grounding connection are therefore identical.
- FIG. 1 shows an embodiment of the device according to the invention in a replacement image representation
- Figure 2 shows another embodiment of the inventions ⁇ inventive device and Figure 3 show a further embodiment of the inventions ⁇ to the invention device.
- Figure 1 shows an embodiment of the device 1 according to the invention, which is connected to an AC line 2 with the phases 2a, 2b and 2c.
- the AC voltage line 2 extends between a power supply 3 feeding electrical energy and a load 4, through which the supply network 3 and the AC line 2 is unbalanced load and at the same time harmonic harmonics of the nominal frequency of the AC voltage of the AC line 2 are generated.
- the device 1 is provided for the compensation of the asymmetries and in particular for the suppression of said harmonics.
- the device 1 shown in Figure 1 comprises three Pha ⁇ senmodule 5a, 5b and 5c, each of which has an AC voltage connection 6a, 6b and 6c, which are each connected to a phase 2a, 2b and 2c of the AC line.
- each phase module 5a, 5b, and 5c has two connection terminals 7p and 7n, respectively, with a phase module branch 8ap, 8bp, 8cp, 8an, 8bn, and 8cn extending between each AC voltage terminal 6a, 6b, and 6c and each of the connection terminals 7p, 7n, respectively
- Each of these six phase module branches consists of a series connection of submodules 9.
- each sub-module 9 includes a power semiconductor branch 12, the two mutually in series ge ⁇ switched off power semiconductors 13, such as IGBTs having ⁇ example.
- Each disconnectable power semiconductor ter 13 is a freewheeling diode 14 in opposite directions parallel ⁇ switched.
- the power semiconductor branch 12 is connected in parallel to egg ⁇ nem capacitor 15 as energy storage.
- the emitter of the turn-off performance-semiconductor 13 shown in Figure 1 below and the anode of said shutdown ⁇ cash power semiconductors 13 are connected in parallel freewheel diode 14 are at the potential of the first terminal 10 of the submodule.
- the second connection terminal is at the potential of the connection points between the two turn-off power semiconductors 13 and thus at the potential of the connection point between the two freewheeling diodes 14 connected in series.
- the capacitors 15 of each submodule 9 are charged by a suitable control of the turn-off power semiconductors not shown in FIG.
- the control and Re ⁇ gelungs worn also includes a method are detected with the harmonics of the current flowing in the AC line alternating current.
- the said harmonics have a frequency which is an integer multiple of the nominal frequency of the voltage in the AC line.
- a voltage is generated due to the charged capacitors 9, which drives a compensation current or filter current, which is coupled into the AC line 2 and ensures that the harmonic harmonics and asymmetric Rien of the current in the AC line 2 are suppressed.
- phase module 5a, 5b and 5c each having two phase module branches 8AP, 8AN, 8bp, 8BN, 8cp Bezie ⁇ hung as 8CN.
- phase module 5d is provided which, as in the case of ⁇ has two connection terminals 7p and 7n, which are connected to the connection terminals 7p and 7n of the phase modules 5a, 5b and 5c by a connection line.
- phase module 5d does not have an AC connection, but rather via a ground connection 16, via which zero system currents can flow when the deactivatable power semiconductors of the submodules 9 of the phase module branches 8dp and 8dn are appropriately activated. According to this advantageous embodiment of the invention, a suppression of asymmetries due to zero system currents is thus possible.
- FIG. 3 shows a further embodiment of the invention, but with the connecting terminals 7p or 7n of the phase modules 5a, 5b and 5c to the connector terminals 7p or 7n of the phase modules 5a, 5b and 5c to the connector terminals 7p or 7n a Kondensa ⁇ Call Module are connected 17th
- the capacitor module 17 includes a ground terminal 16, wherein between the ground terminal 16 and each connection terminal 7p Bezie ⁇ hung 7n example, a capacitor is respectively connected 18th
- a plurality of series-connected capacitors 18 between the ground terminal 16 and each connection terminal 7p or 7n of the Kondensatormo ⁇ module 17 may be provided.
- a drainage of the zero system currents is possible.
- the capacitive reactive power can be coupled into the AC voltage line 2 by appropriate control of the abschaltba ⁇ Ren power semiconductors of the phase modules 5a, 5b and 5c.
- a centrally grounded phase module which is denoted by 5d in FIG. 2, can also be used together with a capacitor module 16 and the three phase modules 5a, 5b and 5c in the context of the invention, the connection terminals 7p and 7n being connected by a connecting line a common potential.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Conversion In General (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007018343A DE102007018343A1 (en) | 2007-04-16 | 2007-04-16 | Active filter with a multilevel topology |
PCT/EP2008/053922 WO2008125493A1 (en) | 2007-04-16 | 2008-04-02 | Active filter having multilevel topology |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2147491A1 true EP2147491A1 (en) | 2010-01-27 |
Family
ID=39712531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08735680A Ceased EP2147491A1 (en) | 2007-04-16 | 2008-04-02 | Active filter having multilevel topology |
Country Status (7)
Country | Link |
---|---|
US (1) | US7969238B2 (en) |
EP (1) | EP2147491A1 (en) |
CN (1) | CN101682190B (en) |
BR (1) | BRPI0811050B8 (en) |
DE (1) | DE102007018343A1 (en) |
RU (1) | RU2453963C2 (en) |
WO (1) | WO2008125493A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010145708A1 (en) * | 2009-06-18 | 2010-12-23 | Abb Technology Ag | An arrangement for exchanging power |
WO2011134521A1 (en) * | 2010-04-29 | 2011-11-03 | Areva T&D Uk Limited | Converter |
CN102013685A (en) * | 2010-07-22 | 2011-04-13 | 荣信电力电子股份有限公司 | Transformerless STATCOM (Static Compensator) topological structure based on MMC (Modular Multilevel Converter) |
CN102013690A (en) * | 2010-07-22 | 2011-04-13 | 荣信电力电子股份有限公司 | MMC (multimedia controller)-based modular multi-level transformerless inductive energy storage topological structure |
CN102013691A (en) * | 2010-07-22 | 2011-04-13 | 荣信电力电子股份有限公司 | Battery energy storage topology structure without transformer based on MMC modularized multi-level inverter |
DE102011003810A1 (en) * | 2011-02-08 | 2012-08-09 | Robert Bosch Gmbh | Controllable energy storage and method for operating a controllable energy storage |
DE102011076515A1 (en) * | 2011-05-26 | 2012-11-29 | Robert Bosch Gmbh | Energy storage device and system with energy storage device |
DE102011086087A1 (en) * | 2011-11-10 | 2013-05-16 | Ge Energy Power Conversion Gmbh | Electric inverter |
DE102011089648A1 (en) * | 2011-12-22 | 2013-06-27 | Robert Bosch Gmbh | Energy storage device, system with energy storage device and method for driving an energy storage device |
WO2014086428A1 (en) * | 2012-12-07 | 2014-06-12 | Siemens Aktiengesellschaft | Multistage converter with additional module |
CN103036238B (en) * | 2012-12-24 | 2015-02-04 | 珠海万力达电气自动化有限公司 | Control structure and method of chain-type active power filter (FAPF) linkage unit bypass |
DE102013212426A1 (en) * | 2013-06-27 | 2014-12-31 | Siemens Aktiengesellschaft | Inverter arrangement with parallel-connected multi-stage converters and methods for their control |
RU2538179C1 (en) * | 2013-08-09 | 2015-01-10 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Supply voltage harmonics filter |
DE102015121226A1 (en) * | 2015-12-07 | 2017-06-08 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Inverter, Electrical Polyphase System and Process |
DE212016000300U1 (en) * | 2016-12-21 | 2019-08-07 | Siemens Aktiengesellschaft | Capacitor with integrated short-circuiting device, in particular for two-pole sub-modules of a multi-stage converter, and a multi-phase multi-stage converter with such a capacitor |
ES2883651T3 (en) * | 2017-07-05 | 2021-12-09 | Siemens Energy Global Gmbh & Co Kg | Multi-level current converter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5648894A (en) * | 1994-09-30 | 1997-07-15 | General Electric Company | Active filter control |
DE10103031A1 (en) * | 2001-01-24 | 2002-07-25 | Rainer Marquardt | Current rectification circuit for voltage source inverters with separate energy stores replaces phase blocks with energy storing capacitors |
US20050281067A1 (en) * | 2004-06-21 | 2005-12-22 | Ballard Power Systems Corporation | System and method for unbalanced independent AC phase voltage control of a 3-phase, 4-wire output DC/AC inverter |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1550592A1 (en) * | 1988-02-25 | 1990-03-15 | Институт Электродинамики Ан Усср | Method of dynamic compensation for non-active components of power |
US5751138A (en) * | 1995-06-22 | 1998-05-12 | University Of Washington | Active power conditioner for reactive and harmonic compensation having PWM and stepped-wave inverters |
US5642275A (en) * | 1995-09-14 | 1997-06-24 | Lockheed Martin Energy System, Inc. | Multilevel cascade voltage source inverter with seperate DC sources |
WO1999041828A1 (en) * | 1998-02-13 | 1999-08-19 | Wisconsin Alumni Research Foundation | Hybrid topology for multilevel power conversion |
US6075350A (en) | 1998-04-24 | 2000-06-13 | Lockheed Martin Energy Research Corporation | Power line conditioner using cascade multilevel inverters for voltage regulation, reactive power correction, and harmonic filtering |
RU2254658C1 (en) * | 2004-03-02 | 2005-06-20 | Государственное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" | Transistorized tree-phase reactive-current supply |
CN100539373C (en) * | 2006-10-13 | 2009-09-09 | 南京航空航天大学 | Zero-voltage switch half-bridge three-level direct current converter |
KR100886194B1 (en) * | 2007-06-08 | 2009-02-27 | 한국전기연구원 | Controller of double-fed induction generator |
US7710082B2 (en) * | 2007-10-18 | 2010-05-04 | Instituto Potosino De Investigacion Cientifica Y Technologica (Ipicyt) | Controller for the three-phase cascade multilevel converter used as shunt active filter in unbalanced operation with guaranteed capacitors voltages balance |
-
2007
- 2007-04-16 DE DE102007018343A patent/DE102007018343A1/en not_active Ceased
-
2008
- 2008-04-02 EP EP08735680A patent/EP2147491A1/en not_active Ceased
- 2008-04-02 BR BRPI0811050A patent/BRPI0811050B8/en active IP Right Grant
- 2008-04-02 CN CN2008800123485A patent/CN101682190B/en active Active
- 2008-04-02 US US12/595,283 patent/US7969238B2/en not_active Expired - Fee Related
- 2008-04-02 WO PCT/EP2008/053922 patent/WO2008125493A1/en active Application Filing
- 2008-04-02 RU RU2009141969/07A patent/RU2453963C2/en active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5648894A (en) * | 1994-09-30 | 1997-07-15 | General Electric Company | Active filter control |
DE10103031A1 (en) * | 2001-01-24 | 2002-07-25 | Rainer Marquardt | Current rectification circuit for voltage source inverters with separate energy stores replaces phase blocks with energy storing capacitors |
US20050281067A1 (en) * | 2004-06-21 | 2005-12-22 | Ballard Power Systems Corporation | System and method for unbalanced independent AC phase voltage control of a 3-phase, 4-wire output DC/AC inverter |
Non-Patent Citations (2)
Title |
---|
JIH-SHENG LAI ET AL: "Multilevel Converters-A New Breed of Power Converters", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 32, no. 3, 1 June 1996 (1996-06-01), XP011022014, ISSN: 0093-9994 * |
See also references of WO2008125493A1 * |
Also Published As
Publication number | Publication date |
---|---|
BRPI0811050B8 (en) | 2023-04-25 |
RU2453963C2 (en) | 2012-06-20 |
JP2010524425A (en) | 2010-07-15 |
US20100127769A1 (en) | 2010-05-27 |
RU2009141969A (en) | 2011-05-27 |
BRPI0811050B1 (en) | 2019-02-26 |
DE102007018343A1 (en) | 2008-10-30 |
CN101682190B (en) | 2013-09-11 |
BRPI0811050A2 (en) | 2015-01-27 |
JP5371952B2 (en) | 2013-12-18 |
CN101682190A (en) | 2010-03-24 |
WO2008125493A1 (en) | 2008-10-23 |
US7969238B2 (en) | 2011-06-28 |
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