WO2016146171A1 - Redresseur de haut rendement pour systèmes monophasés - Google Patents

Redresseur de haut rendement pour systèmes monophasés Download PDF

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Publication number
WO2016146171A1
WO2016146171A1 PCT/EP2015/055542 EP2015055542W WO2016146171A1 WO 2016146171 A1 WO2016146171 A1 WO 2016146171A1 EP 2015055542 W EP2015055542 W EP 2015055542W WO 2016146171 A1 WO2016146171 A1 WO 2016146171A1
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WO
WIPO (PCT)
Prior art keywords
circuit
voltage
power
bridge
bridges
Prior art date
Application number
PCT/EP2015/055542
Other languages
German (de)
English (en)
Inventor
Jürgen SCHIMMER
Marvin TANNHÄUSER
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2015/055542 priority Critical patent/WO2016146171A1/fr
Publication of WO2016146171A1 publication Critical patent/WO2016146171A1/fr

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Classifications

    • 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
    • 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
    • H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
    • 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
    • H02M7/487—Neutral point clamped inverters

Definitions

  • the invention relates to a converter circuit for single-phase systems with an internal circuit, an external circuit and a DC link.
  • the invention relates to a method for interconnection of a DC voltage system with a Kirspan ⁇ tion system with at least one such converter circuit.
  • the invention further relates to an energy storage system which has at least one such converter circuit and at least one energy store.
  • Such a power converter circuit is used for example in electric vehicles, hybrid vehicles, vehicles for the
  • Rail or renewable energy for example, in storage applications, used for services in the kilowatt range.
  • a power converter here is an arrangement for the conversion of one type of electrical current referred to another.
  • a ⁇ such power converter is preferably in the Georgiaschal ⁇ tion of a DC system, for example, with a DC voltage of 450 V, with an AC system, for example with an AC voltage of 230 V, for use, depending on the power flow direction of the converter as an inverter or as Rectifier is operated.
  • An inverter is an electrical device that converts that DC voltage into AC voltage ⁇ .
  • a rectifier is an electrical device which has AC voltage in
  • the power converter can be used here as a rectifier as well as an inverter.
  • a single-phase system has a phase conductor and a NEN neutral, wherein the neutral conductor is preferably grounded.
  • EP 2136465 Al is a inverter for feeding an output of a DC voltage source, in particular egg ⁇ nes photovoltaic generator into an alternating voltage network, known with an asymmetrically clocked bridge circuit having at least two clocked at mains frequency first switches and at least two clocked at a higher clock frequency second switches ,
  • PCT / EP2014 / 077223 proposes a power converter circuit for single-phase systems comprising a 3-point power converter and a 2-point power converter.
  • the invention has for its object to provide a power converter circuit for single-phase systems, which, compared to the prior art, a higher efficiency with less space required and lower costs.
  • a power converter circuit for single-phase systems with an inner circuit, an outer circuit and a DC link
  • the inner circuit has two stacked half-bridges and An ⁇ circuit contacts for connection to a DC voltage on ⁇
  • the outer circuit two to comprising a full bridge together ⁇ quantitative switched half-bridge having two stacked half-bridges of the internal circuit AC terminals which are connected to the upper and lower power terminals of the external circuit
  • the external circuit comprises alternating voltage contacts for connection to an AC voltage
  • the intermediate circuit which includes a series circuit of two Has capacitors, is designed as a shared intermediate circuit and for producing a
  • the object is achieved by a method for interconnecting a DC voltage system with a Kirspan ⁇ tion system with at least one such converter circuit.
  • an energy storage system which has at least one such converter circuit and at least one energy store.
  • the power converter circuit, the method and the energy storage system of the invention are preferably used in network applications, such as photovoltaic and storage applications, as well as in electric vehicles, hybrid vehicles and rail vehicles.
  • the AC voltage is modulated over a plurality of, for example, five voltage levels .
  • This is particularly advantageous because the passive components of the required AC-side filter become smaller due to the stepped AC voltage, which leads to a reduction in the space requirement.
  • the circuit can be operated by the circuit topology according to the invention bi-directionally, that is, depending on the power flow as a rectifier and / or as an inverter.
  • the two series-connected capacitors of the intermediate circuit, at which the intermediate circuit voltage, for example, 400 V, drops, each may also consist of several, for example, in series or parallel capacitors, each having a total capacity.
  • the first capacitor is connected in parallel with the upper and lower power terminals of the first half-bridge and the second capacitor is connected in parallel with the upper and lower power terminals of the second half-bridge. Therefore, the shared ⁇ te intermediate circuit acts as a capacitive voltage divider and the power semiconductors of the first and second half-bridge are defined and optimally controlled.
  • the capacitors have the same capacitance values.
  • the DC link which is divided symmetrically by the use of the same capacitance values, divides the DC link voltage symmetrically around the center point. Therefore, the same power semiconductors can be used in the first and second half bridges, which are uniformly and optimally controlled. This increases the We ⁇ ciency of the converter circuit and reduces complexity.
  • the internal circuit and an external circuit such adapted Leis ⁇ tung semiconductor indicate that the power semi-conductors of the inner circuit are provided for a modulation of the AC voltage and the power semiconductor of the external circuit are provided for a clock with a lower fundamental frequency.
  • the modulation frequency of the AC voltage is in the range of several kilohertz
  • the fundamental frequency is 50 Hertz. Since the power semiconductors are provided for different tasks at different frequencies within the power converter circuit, the specified circuit topology allows a use of adapted power semiconductors. This is advantageous because by the use of the Aufga ⁇ be adjusted power semiconductor, the efficiency of
  • the internal power semiconductor of the internal circuit are optimized for a low switching losses and optimize the performance of the semiconductor externa ⁇ ßeren circuit with respect to low on-state losses.
  • An essential factor for limiting the achievable efficiency lies in the losses that occur in the power semiconductors used. The play
  • the power semiconductors of the inner circuit have a withstand voltage which corresponds approximately to half the intermediate circuit voltage and the power semiconductors of the outer circuit have a dielectric strength which corresponds approximately to the entire DC link voltage.
  • the circuit topology with the divided intermediate circuit made ⁇ light which acts as a capacitive voltage divider and at preferably the same capacitance values of the intermediate circuit voltage ⁇ divides symmetrically around the center.
  • the circuit topology makes it possible that the power semi-conductors of the inner circuit need only have a withstand voltage corresponding to when the power semiconductors of the external circuit, a voltage resistance must alswei ⁇ sen, which corresponds to the whole intermediate circuit voltage half the intermediate circuit voltage. Since the adapted power semiconductors are optimally used in each case, this results in a high efficiency of the converter circuit.
  • the first capacitor and the first half-bridge are formed as a first commutation ⁇ cell and the second capacitor and the second half-bridge formed as a second Kommut réelleszelle.
  • commutation is the process in which a current flows from one branch to the other.
  • the commutation for example, during operation as an inverter, the second of the first capacitor connected in parallel therewith to the first half bridge and the second capacitor for parallel thereto ge ⁇ switched half-bridge instead.
  • the formation of a commutation cell is advantageous because such a very good Kom ⁇ mutation behavior and switching behavior is achieved, which increases the efficiency of the present circuit.
  • the cruzierlei ⁇ ter the inner circuit are driven with a pulse width modulation and the power semiconductor of the outer circuit reversed with a lower fundamental frequency. This is particularly advantageous because so adapted for the task Leis ⁇ processing semiconductor can be used, resulting in a high efficiency of the converter circuit.
  • the AC voltage is modeled over five voltage levels. Due to the alternating voltage, which is stepped over five voltage levels, the passive components of the required AC-side filter, for example coils and capacitors, become smaller, which leads to a reduction of the space requirement and to a reduction of the costs.
  • the energy storage system is intended for use in a power grid or in an electric car or hybrid car. This is particularly advantageous because it allows the bidirectional circuit topology to operate the power converter circuit as a rectifier and / or as an inverter. Therefore, fewer circuits are needed in the applications mentioned, resulting in an improvement in the cost position.
  • FIG 1 is a block diagram of an arrangement for interconnecting a DC system with a ⁇ a phase alternating voltage system
  • FIG. 3 shows a circuit diagram of an embodiment of the power converter circuit according to the invention for single-phase systems
  • FIG. 6 shows a time diagram of the conductor-conductor voltage
  • FIG. 7 shows a time diagram of the normalized voltage of the first half-bridge
  • FIG. 11 shows a block diagram of an embodiment of an energy storage system.
  • FIG. 1 shows a block diagram of an arrangement for interconnection of a DC voltage system 1 with a einphasi ⁇ gen AC system 3, which has a power converter 10 and a filter 5.
  • the DC voltage system has a first contact 1a and a second contact 1b.
  • the AC power system 3 has a first AC voltage contact 3a, and a second alternating voltage clamping ⁇ contact 3b upstream of the filter. 5
  • the power converter circuit 10 is operated as an inverter or as a rectifier.
  • An inverter here is an electrical device that converts DC voltage into AC voltage.
  • a rectifier converts an electrical device, wel ⁇ ches AC voltage to DC voltage.
  • a single-phase system has a phase conductor and a neutral, with the neutral being preferably grounded. Another embodiment would be a so-called single-phase three-wire network or in English "split-phase" or "single-phase three-
  • Wire "system which is preferably used in the United States of America for single-family households and small businesses.
  • sigen system wherein with the aid of a transformer, which preferably on the secondary side has a center tap for the neutra ⁇ le phase, two out of phase signals, that is with 180 ° phase offset, are generated on two conductors.
  • the converter circuit 10 operated as an inverter has the task of converting the DC voltage present at the input of the inverter into an AC voltage.
  • the inverter operates in a preferred embodiment with power electronic switches, which may be implemented, for example, as Insulated Gate Bipolar Transistors (IGBTs) as well as metal oxide semiconductor field effect transistors (MOSFETs) or switching thyristors, and generates a time-varying voltage, preferably with the help a pulse width modulation (PWM).
  • IGBTs Insulated Gate Bipolar Transistors
  • MOSFETs metal oxide semiconductor field effect transistors
  • PWM pulse width modulation
  • the power converter circuit 10 When considering the power flow in the Jacobrich ⁇ tion, ie from the AC voltage system 3 to the DC voltage system 1, the power converter circuit 10 operates as a rectifier.
  • 2 shows a circuit diagram of a power converter circuit 9 for single-phase systems according to the prior art, wherein the power converter circuit 9 is connected via two connection contacts la, lb to a DC voltage system 1 and two AC voltage contacts 3a, 3b and a filter 5, exemp - larisch a low-pass filter, connected to an AC system.
  • the converter circuit 9 comprises a full bridge 16, wel ⁇ che two half-bridges 11, 12 with power semiconductors TS1, TS2, TS3, TS4, wherein the power semiconductors TS1, TS2, TS3, TS4 preferably have an IGBT and a diode and wherein the diode of the power semiconductor as Freilaufdio ⁇ de the IGBT in parallel in the opposite direction.
  • the Half-bridges 11, 12 have, in addition to the two control terminals located at the gates of the IGBTs, an upper, a lower and a middle power connection.
  • the upper power connection is at the collector of the upper IGBT
  • the lower power connection is at the emitter of the lower IGBT.
  • the middle power connection is also referred to below as the AC voltage connection.
  • Two IGBTs are connected together in a half-bridge such that the emitter of the upper IGBT is connected to the collector of the lower IGBT via the middle power connection or AC connection.
  • the two half-bridges 11, 12 are interconnected via their upper and lower power connections parallel to one another to form a full bridge and connected in parallel to a DC link capacitor C, which forms a DC link 2.
  • the upper output terminal of the full bridge 16 is connected to the first terminal contact la of the DC voltage system 1 ver ⁇ connected, and the lower output terminal of the full bridge 16 is connected to the second terminal contact of the DC lb ⁇ systems. 1
  • the AC voltage contacts of the full ⁇ bridge 16 are contacted with the first AC voltage contact 3a and the second alternating voltage of the alternating contact 3b clamping ⁇ warning system.
  • FIG. 3 shows a circuit diagram of an embodiment of the power converter circuit 10 according to the invention for single-phase systems, wherein the power converter circuit 10 has an internal circuit 6, an external circuit 7 and an intermediate circuit 2.
  • the outer circuit 7 comprises a full bridge 16, which has two half-bridges 7a, 7b with power semiconductors T5, T6, T7, T8.
  • the inner circuit 6 comprises two stacked half bridges 6a, 6b having AC terminals (6p, 6n) connected to the upper and lower power terminals of the full bridge 16, thus connecting the inner circuit 6 to the outer circuit 7.
  • the intermediate circuit 2, which has a series circuit of two capacitors C 1, C 2 is shown as a shared intermediate circuit.
  • the Schennik executed and provided for establishing a center M of a DC link voltage UZK located between the capacitors Cl, C2 and the stacked half-bridges 6a, 6b point.
  • the first capacitor C1 is connected in parallel with the upper and lower power terminals of the first half-bridge 6a
  • the second capacitor C2 is connected in parallel with the upper and lower power terminals of the second half-bridge 6b.
  • the capacitors C 1, C 2 have the same capacitance values
  • half of the intermediate circuit voltage UZK drops across each of the two capacitors C 1, C 2. Therefore, the AC voltage can be divided into five voltage levels with identical voltage differences around the midpoint M (M-UZK, M-UZK / 2, M,
  • M + UZK / 2, M + UZK are uniformly modulated. This is particular ⁇ DERS advantageous, since the power semiconductors are controlled uniformly by the uniform modeling of the AC voltage.
  • a DC voltage system is connected to the power converter circuit 10 via the inner circuit 7 such that a first terminal la is connected to the upper power terminal of the first half-bridge 6a and a second terminal lb is connected to the lower power terminal of the second half-bridge 6b.
  • the terminal lla, lb form a DC voltage bus 4.
  • the outer circuit 7 is on the
  • the intermediate circuit 2 with its capacitors Cl, C2 acts on the DC side as a filter.
  • an in ⁇ inductive impedance is required for this purpose, which is why the filter 5, which is designed for example as a low-pass filter, has an inductive ⁇ tive impedance.
  • the power semiconductors T1, T2, T3, T4 of the inner circuit 6 are provided for a modulation, preferably a Pulse Width Modu ⁇ lation, short PWM, the AC voltage UAC with a clock having a significantly higher frequency than the fundamental frequency fG.
  • a modulation preferably a Pulse Width Modu ⁇ lation, short PWM
  • the switching losses of the power semiconductors T 1, T 2, T 3, T 4 of the internal circuit 6 are dominant over the forward losses and therefore power semiconductors T 1, T 2, T 3, T 4 are selected for the internal circuit 6. which are opti ⁇ optimized with respect to low switching losses.
  • the circuit topology of the converter circuit 10 according to the invention makes it possible to use for the internal circuit 6 power semiconductors T1, T2, T3, T4, which have a dielectric strength which corresponds to half the intermediate circuit voltage UZK.
  • the power semiconductors T5, T6, T7, T8 of the external circuit are provided for clocking at a fundamental frequency fG, for example 50 Hz or 100 Hz. Since at this much slower switching frequency fG, with which power semiconductors T5, T6, T7, T8 of the external circuit 7 are reversed, the forward losses of the power semiconductors T5, T6, T7, T8 are dominant in comparison to the switching losses, power semiconductors T5, T6, T7, T8 are selected for the outer circuit 7, which are optimized for low forward losses. Due to the circuit topology, power semiconductors T5, T6, T7, T8 are used for the external circuit 7, which have a dielectric strength which corresponds to the entire intermediate circuit voltage UZK.
  • the current Judge circuit 10 can be operated as a rectifier and / or as an inverter.
  • phase voltage U3a at the first AC contact 3a shows a timing diagram of the phase voltage U3a at the first AC contact 3a with respect to the center M of the DC link 2 and the phase current I3a through the first AC contact 3a.
  • a time axis 17 is plotted, in the vertical direction is a voltage and current axis 18.
  • the phase voltage U3a at the first AC contact 3a is exemp ⁇ larisch modulated with a PWM frequency of 10 kHz and has the potentials -UZK / 2 , 0 V, UZK / 2, in which case the center M is at the ground potential, which corresponds to 0 V ⁇ .
  • the phase current I3a through the first AC voltage contact 3a has a fundamental frequency fG of 50 Hz.
  • phase voltage U3b on the second AC contact 3b is exemplarily modulated with a PWM frequency of 10 kHz and has, as in Figure 2, the potentials -UZK / 2, 0 V, UZK / 2, where ⁇ at the potentials of the phase voltage U3b, based on the potentials of the phase voltage U3a shown in FIG 4, run in opposite directions.
  • the phase current I3b by the second AC voltage contact 3b has a fundamental frequency fG of 50 Hz and likewise runs in opposite phase to 4 shown in FIG phases ⁇ current I3a.
  • FIG. 6 shows a timing diagram of the conductor-to-conductor voltage ULL, which is calculated from the difference of the phase voltages U3a and U3b.
  • a time axis 17 is plotted, in the vertical direction is a voltage axis 19.
  • the conductor-conductor voltage ULL is over five voltage levels with identical potentials (-UZK, -UZK / 2, 0, UZK / 2, UZK) evenly modulated, whereby the double switching frequency can be achieved.
  • FIG. 7 shows a time chart of the normalized voltage U6a of the first half-bridge 6a.
  • a time axis 17 is plotted in the vertical direction is a normalized voltage axis 20.
  • the NOR ⁇ -optimized voltage U6a the first half bridge 6a is duliert to better illustrate by way of example with a PWM frequency 2 kHz Mo, while the fundamental frequency fG at 50 Hz.
  • Voltage U6b of the second half-bridge 6b is, as in FIG. 7, for example, modulated with a PWM of frequency 2 kHz for better illustration, while the fundamental frequency fG is 50 Hz.
  • the normalized voltage U6b of the second half-bridge 6b is, compared to the normalized voltage U6a, the first one
  • Half-bridge 6a in terms of voltage is inverted and shifted in phase by a half Pe ⁇ Riode of the fundamental frequency fG.
  • FIG. 9 shows a time chart of the normalized voltage U7a of the third half-bridge 7a.
  • a time axis 17 is plotted in the vertical direction is a normalized voltage axis 20.
  • FIG. 11 shows a block diagram of an embodiment of an energy storage system 8.
  • the energy storage system has a converter circuit 10 according to the invention with egg ⁇ nem filter 5 and an energy storage 13.
  • a single-phase AC voltage source 14 is connected via AC voltage contacts 3a, 3b to the energy storage system 8 and charges the energy storage 13 with a
  • the energy storage can be a battery, which is realized for example in lithium-ion technology.
  • the single-phase AC voltage source 14 may ⁇ example, a generator or a mains connection to be with an alternating voltage of for example 50 Hz and 230 V.
  • the power converter circuit 10 In the La ⁇ dephase the power converter circuit 10 is operated as a rectifier.
  • a consumer 15 In the discharge phase 22, a consumer 15 is connected via the AC voltage contacts 3 a, 3 b to the energy storage ⁇ system 8 and removes power from the energy storage 13.
  • the consumer may be an electric motor or a network connection.
  • the invention relates to a power converter circuit 10 for single-phase systems with an inner circuit 6, an outer circuit 7 and a DC link 2.
  • the inner circuit 6 two stacked half bridges 6a, 6b and terminal contacts la, lb for connection to a DC voltage UDC has up
  • the outer circuit 7 has two to a full bridge 16 to ⁇ sammengeschalte half bridges 7a, 7b, the two ge ⁇ stacked half bridges 6a, 6b of the inner circuit 6 AC voltage terminals 6p, 6n, which are connected to the upper and lower power terminals of the outer circuit 7,

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne un circuit redresseur (10) qui est destiné à des systèmes monophasés et qui comporte un circuit interne (6), un circuit externe (7) et un circuit intermédiaire (2). Selon l'invention, pour augmenter le rendement avec un encombrement réduit et des coûts réduits : le circuit interne (6) comprend deux demi-ponts empilés (6a, 6b) et des contacts de branchement (1a, 1b) pour le branchement à une tension continue (UDC) ; le circuit externe (7) comprend deux demi-ponts (7a, 7b) réunis en un pont complet (16) ; les deux demi-ponts empilés (6a, 6b) du circuit interne (6) comprennent des branchements de tension alternative (6p, 6n) qui sont branchés aux branchements de puissance supérieur et inférieur du circuit externe (7) ; le circuit externe (7) comprend des contacts de tension alternative (3a, 3b) pour le branchement à une tension alternative (UAC) ; et le circuit intermédiaire (2), qui comprend un circuit série de deux condensateurs (C1, C2), est exécuté en tant que circuit intermédiaire divisé et sert à la réalisation d'un point médian (M) d'une tension (UZK) du circuit intermédiaire au point se trouvant entre les condensateurs (C1, C2) et les demi-ponts empilés (6a, 6b).
PCT/EP2015/055542 2015-03-17 2015-03-17 Redresseur de haut rendement pour systèmes monophasés WO2016146171A1 (fr)

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DE102016224312A1 (de) 2016-12-07 2018-06-07 Siemens Aktiengesellschaft Hocheffizienter Stromrichter für dreiphasige Systeme
DE102016224310A1 (de) 2016-12-07 2018-06-07 Siemens Aktiengesellschaft Hocheffizienter Stromrichter für einphasige Systeme
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WO2019178094A1 (fr) 2018-03-12 2019-09-19 Jabil Inc. Excitation de moteur multiniveau à chargeur de batterie intégré
CN111355394A (zh) * 2019-12-06 2020-06-30 中国矿业大学 一种适用于柔性直流输电的串联混合型mmc拓扑结构
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DE102020201810A1 (de) 2020-02-13 2021-08-19 Siemens Aktiengesellschaft Stromrichter-Schaltung

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Cited By (15)

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Publication number Priority date Publication date Assignee Title
DE102016224310A1 (de) 2016-12-07 2018-06-07 Siemens Aktiengesellschaft Hocheffizienter Stromrichter für einphasige Systeme
WO2018104177A1 (fr) 2016-12-07 2018-06-14 Siemens Aktiengesellschaft Convertisseur à haut rendement pour systèmes triphasés
WO2018104174A1 (fr) 2016-12-07 2018-06-14 Siemens Aktiengesellschaft Convertisseur à haut rendement pour systèmes monophasés
DE102016224312A1 (de) 2016-12-07 2018-06-07 Siemens Aktiengesellschaft Hocheffizienter Stromrichter für dreiphasige Systeme
EP3493391A1 (fr) * 2017-11-30 2019-06-05 Siemens Aktiengesellschaft Convertisseur de niveau sept à phase unique
EP3765328A4 (fr) * 2018-03-12 2021-12-01 Jabil Inc. Excitation de moteur multiniveau à chargeur de batterie intégré
WO2019178094A1 (fr) 2018-03-12 2019-09-19 Jabil Inc. Excitation de moteur multiniveau à chargeur de batterie intégré
CN112118981A (zh) * 2018-03-12 2020-12-22 捷普有限公司 具有集成电池充电器的多电平电机驱动器
EP4258539A3 (fr) * 2018-03-12 2024-01-24 Jabil Inc. Entraînement de moteur multiniveau à chargeur de batterie intégré
EP4258539A2 (fr) 2018-03-12 2023-10-11 Jabil Inc. Excitation de moteur multiniveau à chargeur de batterie intégré
DE102019201630A1 (de) * 2019-02-08 2020-08-13 Siemens Aktiengesellschaft Hocheffizienter Stromrichter für einphasige und dreiphasige Systeme
CN111355394A (zh) * 2019-12-06 2020-06-30 中国矿业大学 一种适用于柔性直流输电的串联混合型mmc拓扑结构
DE102020201810B4 (de) 2020-02-13 2023-01-12 Siemens Aktiengesellschaft Stromrichter-Schaltung
WO2021160529A1 (fr) 2020-02-13 2021-08-19 Siemens Aktiengesellschaft Circuit convertisseur de courant
DE102020201810A1 (de) 2020-02-13 2021-08-19 Siemens Aktiengesellschaft Stromrichter-Schaltung

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