EP2692048A2 - Ensemble convertisseur - Google Patents

Ensemble convertisseur

Info

Publication number
EP2692048A2
EP2692048A2 EP12718207.9A EP12718207A EP2692048A2 EP 2692048 A2 EP2692048 A2 EP 2692048A2 EP 12718207 A EP12718207 A EP 12718207A EP 2692048 A2 EP2692048 A2 EP 2692048A2
Authority
EP
European Patent Office
Prior art keywords
sub
electrical energy
connection
converter arrangement
module
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.)
Withdrawn
Application number
EP12718207.9A
Other languages
German (de)
English (en)
Inventor
Holger Leu
Andreja Rasic
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2692048A2 publication Critical patent/EP2692048A2/fr
Withdrawn legal-status Critical Current

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
    • H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
    • 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
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • 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
    • H02M7/49—Combination of the output voltage waveforms of a plurality of converters
    • 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
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
    • H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Definitions

  • the invention relates to a converter arrangement having at least one alternating voltage terminal to which can be fed or removed a roller ⁇ current, in and at least one DC voltage connection, to which is fed a direct current or removed.
  • Such an inverter arrangement is known from the publication "An innovative Modular Multilevel Converter Topology Suitable for Wide Power Range" (A. Lesnicar and R. Marquardt, 2003 IEEE Bologna Power Tech Conference, June 23-26, 2003, Bologna, Italy). known.
  • This previously known converter arrangement is a so-called Marquardt converter arrangement, which comprises at least two series circuits connected in parallel, the outer terminals of which form DC voltage connections of the converter arrangement.
  • Each of the parallel-connected series circuits each comprises at least two series-connected sub-modules, each comprising at least two switches and a capacitor.
  • the voltage level at the DC voltage connections can be adjusted.
  • the invention has for its object to provide a Umrichteran ⁇ order, which is particularly universally applicable.
  • the invention provides that at least one of the sub-modules has a connection, taken at the electrical energy from the sub-module or electrical energy is fed into the sub-module or can be.
  • a significant advantage of the converter arrangement according to the invention is that it - in contrast tossen ⁇ known inverter arrangements - has additional connections where energy can be removed or energy can be fed. This makes it possible to use the inverter assembly in technical systems particularly versatile.
  • the converter arrangement according to the invention can be used for distributing electrical energy, that is to say as a type of energy distribution system or as part of a complex energy distribution system.
  • the sub-modules of the converter arrangement OF INVENTION ⁇ to the invention can be spatially distributed, for example, over an entire urban area, and local sampling and / or the feed points Energyverteilstrom for removal and / or for feeding electric energy form.
  • each of the pa ⁇ rallel-connected series circuits each having connection an intermediate which is in terms of potential between two Operamo ⁇ dulen the respective series circuit, and each intermediate connection each forms one of the AC terminals.
  • the at least one submodule is preferably equipped with a submodule-individual converter which is connected with its DC voltage connection to the capacitor of the sub ⁇ module.
  • a connection of the partial module-specific transformer forms the connection or one of the connections of the submodule, at which electrical energy, in the form of alternating current, is taken from the submodule or fed into the submodule can.
  • an alternating voltage terminal of the part-module-inverter forms the connection or one of the terminals of the sub-module to which electrical ⁇ specific energy, in the form of alternating current, taken from the sub-module or sub-module are fed can.
  • a connection of the partial module-specific capacitor forms the connection or one of the connections of the submodule, at which electrical energy, in the form of direct current, can be taken from the submodule or fed into the submodule.
  • the inverter arrangement operates in multi-phase, z. B. three-phase, and comprises per phase at least one series circuit with in each case at least two switched in series ⁇ submodules.
  • the invention also relates to a power distribution system for supplying a ⁇ coverage area with electrical power, wherein the Energyverteilstrom comprises at ⁇ least one connection for supplying electrical energy and a plurality of ports for withdrawal of the applied electrical energy.
  • the Energy distribution Anlvesge for feeding the electrical energy through a connection of the converter arrangement and at least a subset of the terminals of the power distribution system for removing the ⁇ fed electrical energy is formed by connections of the submodule of the inverter assembly.
  • the submodules are locally distributed via the supply area to be supplied by the energy distribution system with electrical energy. This makes it possible to provide relatively large coverage areas at ⁇ play as all urban areas, with the help of sub-modules with electrical energy.
  • a wind farm with a plurality of wind generators and a converter arrangement - as described above - is considered.
  • the wind generators are preferably each connected to a submodule of the converter arrangement.
  • a method of operating a converter arrangement as described above is also considered.
  • electrical energy is taken from the submodule or electrical energy is fed into the submodule at a connection of at least one of the submodules.
  • FIG. 1 shows an exemplary embodiment of an inventive device
  • FIG. 1 shows an exemplary embodiment of a three-phase converter arrangement 10. This includes change ⁇ voltage terminals W10 for feeding AC power. In addition, it is equipped with a DC side G10 out ⁇ equips that holds two Gleichspannunsan realise GLOA and glob to ⁇ .
  • the converter arrangement 10 has three parallel-connected series circuits R1, R2 and R3, whose external terminals RH, R21 and R31 are connected to the DC voltage terminal GlOa.
  • the outer terminals R12, R22 and R32 are connected to the DC voltage terminal GlOb the Gleichspan ⁇ tion side G10 in combination. In other words, therefore, form the outer terminals of the three series circuits Rl, R2 and R3, the DC voltage side G10 of the inverter assembly 10.
  • Each of the three series circuits Rl, R2 and R3 are each equipped with six series-connected submodules T and two Indukti ⁇ vities D.
  • each of the partial modules T has two each
  • Switches Sl and S2 a capacitor C to a converter U and a transformer TR.
  • the high voltage side of the Transformer TR is connected to the AC side of Um ⁇ judge U.
  • connection contacts of the capacitor C of the submodule T form a first terminal AI of the submodule, at which electrical energy can be taken from the submodule T or fed into the submodule T.
  • DC current can be fed or removed at the first terminal AI.
  • the AC voltage connections or the AC voltage side of the converter U form a second connection A2, at which electrical energy can be taken from the submodule T or fed into the submodule T. Alternating current can be fed or removed at the second connection A2.
  • a third terminal A3 for supplying and / or extracting electrical energy is formed by the Transformatoran- ⁇ ge circuit on the low voltage side of the transformer TR. Alternating current can be fed or removed at the third connection A3.
  • the converter arrangement 10 allows the converter arrangement 10 on ⁇ due to the configuration of the component modules T, at each of the terminals Al, A2 and / or A3 of each sub-module T electric see energy to remove or civilspei electrical energy ⁇ sen.
  • the converter arrangement 10 can thus be used as Energyverteil ⁇ system.
  • FIG. 2 shows an exemplary embodiment of a Energyverteilstrom 100 is shown by way of example, which is formed by an order ⁇ inverter assembly 10, as explained in connection with Figure 1.
  • the energy distribution system 100 has a connection W10 for supplying electrical energy.
  • this connection W10 is formed by the three AC voltage connections W10 of the converter arrangement 10.
  • the Energyverteilstrom 100 furthermore has a plurality ⁇ number of ports A101 to A118, which are suitable for extraction and / or for supplying electrical power. These ports A101 to A118 are spatially distributed over a large local coverage area VG, such as a city landscape ⁇ .
  • a large local coverage area VG such as a city landscape ⁇ .
  • the terminal A101 part of a house 200 which is located in the supply area Ver ⁇ VG.
  • the terminals A107, A108 and A109 are arranged in a small building complex 210 within the service area VG.
  • the terminals AHO, Alll and A112 belong to a power plant 220, which supplies the local supply area VG with electrical energy.
  • the ports A113 to A118 are assigned to a large building complex 230, which is also located within theéessge ⁇ Biets VG.
  • Each of the aforementioned connections A101 to A118 of the energy distribution system 100 is formed by one or more of the connections AI, A2 and / or A3 of one of the submodules T (see FIG. 1), as has been explained in detail in connection with FIG. In other words, it is thus possible to extract electrical energy from each of the terminals A101 to A118 or to supply electrical energy by drawing or feeding energy to one or more of the terminals AI, A2 and / or A3 of each submodule T.
  • the actuation of the switches S 1 and S 2 of the submodules T is preferably carried out by a central control station which, for the sake of clarity, is not shown in FIGS. 1 and 2.
  • Micro-networks a formation of a powerful medium or high voltage coupling (DC voltage and AC voltage are possible),
  • the converter arrangement 10 according Fi ⁇ gur 1 and the Energyverteilstrom 100 can provide many de ⁇ central small units spread over a large area.
  • individual houses in a narrower or wider urban area can be coupled via the submodules to the medium or high voltage and supplied with low voltage.
  • various power distribution systems 100 can be connected to one another via their AC voltage connections W10.
  • the advantage here is that there is no significant increase in the short-circuit power.
  • the Umrichteran extract or the energy distribution can be formed thereby verkop ⁇ pelt using the DC voltage connections to one another.
  • a central switchgear is preferably installed in the network, which can control the overall arrangement.
  • the Umricht worn 10 according to Figure 1 as well as the Energyverteilstrom 100 according to Figure 2 can also be used to couple who ⁇ , wind power turbines of wind farms with each other.
  • Energyverteilstrom 100 according to Figu ⁇ ren 1 and 2 are each a wind turbine connected to a ⁇ the each part of the module Umrichteran ⁇ order 10th
  • Such a connection can over the turbine-own AC / DC converter, which is connected to the capacitor C of the respective submodule T.
  • the filter effort in feeding in the electrical energy generated by the wind turbines can be kept very small, so that converters with very simple topology and very simple valves (eg in the form of thyristor converters) can be used as the turbine's own AC / DC converters.
  • a diode rectifier can be used. It is also conceivable to dispense with a transformer between the turbine-own AC / DC converter and the respective wind power generator. Also, when feeding into the sub-module T no fixed feed frequency must be specified or maintained, because each wind turbine can be operated at its own frequency. It is also possible in a very simple manner to throw off individual wind turbines in the event of a fault, since the submodules can work independently of the operating points of the individual generators.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Rectifiers (AREA)
  • Ac-Ac Conversion (AREA)

Abstract

L'invention concerne, entre autres, un ensemble convertisseur (10) comprenant au moins une connexion de tension alternative (W10), qui permet l'alimentation en courant alternatif ou son extraction, et au moins une connexion de tension continue (G10, G10b), qui permet l'alimentation en courant continu ou son extraction, l'ensemble convertisseur comportant au moins deux circuits en série (R1, R2, R3) parallèles dont les connexions externes (R11 R21, R31, R12, R22, R32) forment des connexions de tension continue (G10, G10b) de l'ensemble convertisseur et chacun des circuits en série parallèles comportant au moins deux modules partiels (T) montés en série qui présentent chacun au moins deux commutateurs (S) et un condensateur (C). Selon l'invention, au moins un des modules partiels comporte une connexion (A1, A2, A3) qui permet d'extraire de l'énergie électrique du module partiel (T) ou d'alimenter le module partiel (T) en énergie électrique.
EP12718207.9A 2011-05-10 2012-05-02 Ensemble convertisseur Withdrawn EP2692048A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110075576 DE102011075576A1 (de) 2011-05-10 2011-05-10 Umrichteranordnung
PCT/EP2012/057998 WO2012152619A2 (fr) 2011-05-10 2012-05-02 Ensemble convertisseur

Publications (1)

Publication Number Publication Date
EP2692048A2 true EP2692048A2 (fr) 2014-02-05

Family

ID=46025709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12718207.9A Withdrawn EP2692048A2 (fr) 2011-05-10 2012-05-02 Ensemble convertisseur

Country Status (6)

Country Link
US (1) US20140203645A1 (fr)
EP (1) EP2692048A2 (fr)
CN (1) CN103718448A (fr)
CA (1) CA2835558A1 (fr)
DE (1) DE102011075576A1 (fr)
WO (1) WO2012152619A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014046555A1 (fr) * 2012-09-21 2014-03-27 Auckland Uniservices Limited Améliorations dans ou concernant des convertisseurs multi-niveau modulaires
EP2762347A1 (fr) * 2013-01-31 2014-08-06 Siemens Aktiengesellschaft Convertisseur haute fréquence modulaire et procédé de fonctionnement de celui-ci
DE102013212716A1 (de) 2013-06-28 2014-12-31 Robert Bosch Gmbh Energiespeichereinrichtung mit Gleichspannungsversorgungsschaltung und Verfahren zum Bereitstellen einer Gleichspannung aus einer Energiespeichereinrichtung
KR101723094B1 (ko) * 2014-12-29 2017-04-18 주식회사 효성 Ｍｍｃ 컨버터의 서브모듈 제어기용 전원장치
GB2545455A (en) * 2015-12-17 2017-06-21 General Electric Technology Gmbh Power supply apparatus
ES2805201T3 (es) * 2016-03-18 2021-02-11 Siemens Ag Convertidor multietapa modular
EP3719986B1 (fr) * 2019-04-02 2021-08-11 Siemens Energy Global GmbH & Co. KG Convertisseur, dispositif doté d'un convertisseur et son procédé de fonctionnement

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JP3760280B2 (ja) * 2001-08-29 2006-03-29 株式会社日立製作所 直流機器及びこれを用いた車両
DE112005000294B4 (de) * 2004-02-06 2023-02-09 Mitsubishi Denki K.K. Motorantriebsvorrichtung
FR2901074B1 (fr) * 2006-05-09 2008-06-13 Schneider Electric Ind Sas Dispositif et procede de commande d'un convertisseur et conversisseur electrique comportant un tel dispositif
US8050063B2 (en) * 2007-05-31 2011-11-01 General Electric Company Systems and methods for controlling a converter for powering a load
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
DE102008014898B4 (de) * 2008-03-19 2018-09-27 Siemens Aktiengesellschaft Verfahren zur Steuerung eines mehrphasigen Stromrichters mit verteilten Energiespeichern bei niedrigen Ausgangsfrequenzen
EP2148417B1 (fr) * 2008-07-22 2018-01-10 SMA Solar Technology AG Dispositif onduleur pour un générateur photovoltaique avec plusieurs ondulateurs couplé en serie à leur entrée
US9099891B2 (en) * 2009-04-27 2015-08-04 Siemens Aktiengesellschaft Submodule for a multi-stage power converter having additional energy storage device
JP4969614B2 (ja) * 2009-07-21 2012-07-04 株式会社日立製作所 電力変換装置
JP4934703B2 (ja) * 2009-07-21 2012-05-16 株式会社日立製作所 電力変換装置
WO2011060823A1 (fr) * 2009-11-19 2011-05-26 Siemens Aktiengesellschaft Convertisseur et sous-module d'un convertisseur destiné à charger ou décharger un réservoir d'énergie

Non-Patent Citations (1)

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Title
See references of WO2012152619A2 *

Also Published As

Publication number Publication date
CA2835558A1 (fr) 2012-11-15
DE102011075576A1 (de) 2012-11-15
WO2012152619A2 (fr) 2012-11-15
WO2012152619A3 (fr) 2013-12-12
US20140203645A1 (en) 2014-07-24
CN103718448A (zh) 2014-04-09

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