WO2020223830A1 - Circuito de convertidor de potencia multinivel - Google Patents
Circuito de convertidor de potencia multinivel Download PDFInfo
- Publication number
- WO2020223830A1 WO2020223830A1 PCT/CL2019/050038 CL2019050038W WO2020223830A1 WO 2020223830 A1 WO2020223830 A1 WO 2020223830A1 CL 2019050038 W CL2019050038 W CL 2019050038W WO 2020223830 A1 WO2020223830 A1 WO 2020223830A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switches
- voltage
- switch
- circuit
- output voltage
- Prior art date
Links
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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/0077—Plural converter units whose outputs are connected in series
-
- 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
- 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
-
- 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
Definitions
- the present invention relates to the field of power electronics and non-linear control, and in particular provides a multi-level power circuit of the cascade bridge type.
- Multi-level converters are widely used in speed regulation and in medium and high voltage applications in addition to clean power generation, due to their low harmonic content of output voltage and current, and low reverse switch voltage.
- Multi-Level Inverters are the premier power conversion devices of choice in industrial applications. These applications primarily comprise motor units for all voltage and power ranges. Multi-level inverters also have applications in grid-connected systems, uninterruptible power supplies (UPS), electric vehicles, and FACTS devices, among others.
- UPS uninterruptible power supplies
- FACTS devices FACTS devices, among others.
- document CN2768303 describes a utility model that provides a multi-level cascade inverter, which aims to reduce the number of components used, simplify its structure and control in the case of high voltage and high power events, and generate the same level as a conventional cascade inverter.
- the utility model multi-level cascade inverter is composed of a basic cascade module to form a multi-level inverter.
- the document CN105450063 provides a multilevel half-bridge cascade type inverter and a control method thereof, with the aim of overcoming the deficiencies of the control strategy and the existing multilevel cascade topology.
- the control strategy adopts a one-cycle control mode, and the overlapping of output levels to generate a multi-level output.
- the present invention provides a new power converter configuration comprising a functional block exhibiting the circuit configuration shown in FIG. 1 0:
- V 1, V 2 , V 3 , V 4 , V 5 are direct current voltage sources
- D 1 and D 2 are semiconductor diodes.
- the circuit is characterized in that the switches are complementary devices to each other.
- the circuit is characterized in that the switch S 3 corresponds to a bidirectional switch.
- the circuit is characterized in that it comprises a plurality of functional blocks connected in series, each of said functional blocks presenting the circuit configuration shown in FIG. 10.
- the circuit is characterized in that it comprises two functional blocks connected in series and because the outputs of said functional blocks are asymmetric to each other.
- FIG. 1 shows a general truth table, with the states of all the switches of a functional block with respect to the voltage output levels of the power converter circuit that is the object of the present invention.
- FIG. 2 shows a graph with the output voltage for said functional block of the power converter circuit that is the object of the present invention.
- FIG. 3 shows the cascade arrangement of said functional block of the power converter circuit that is the object of the present invention.
- FIG. 4 shows an embodiment of the power converter circuit that is the object of the present invention.
- FIG. 5 shows a graph with the output voltage of the first functional block in said embodiment.
- FIG. 6 shows a graph with the output voltage of the second functional block in said embodiment.
- FIG. 7 shows a graph with the output voltage of the circuit in said embodiment.
- FIG. 8 shows a graph with the output current of the circuit in said embodiment.
- FIG. 9 shows the mesh distribution in said functional block of the power converter circuit.
- FIG. 10 shows a circuit configuration of the functional block of the power converter that is the object of the present invention.
- DETAILED DESCRIPTION OF THE INVENTION Essentially, the present invention provides a new configuration of a multilevel power converter comprising; five direct current voltage sources (V 1 , V 2 , V 3 , V 4 , V 5 ), eight one-way semiconductor switches a bidirectional semiconductor switch (S 3 ) and two semiconductor diodes (D 1 and D 2 ).
- the present invention provides a new power converter configuration comprising a functional block exhibiting the circuit configuration shown in FIG. 10:
- V 1 , V 2 , V 3 , V 4 , V 5 are direct current voltage sources
- D t and D 2 are semiconductor diodes.
- the switches are complementary switches to each other. That is to say,
- Switch S 3 is a bidirectional switch, thus allowing current to flow in both directions.
- Mesh I comprises a switch, S 1, connected to another bidirectional switch, S 3 , which, in turn, is then connected to a voltage source V 1 which is subsequently connected to said switch S 4 .
- Mesh II comprises a switch, connected to a voltage source, V 2 , which
- Mesh III comprises a switch, T 2 , connected to a voltage source, V 5 , which in turn is connected to a diode, D 1 . Said diode, D 1 in turn, is connected to a switch, which is then connected to said switch, T 2 .
- Mesh IV comprises the voltage source, V 1 , connected to the voltage source, V 2 , which in turn is connected to a switch, T 1 .
- Said switch, T 1 is then connected to a voltage source, V 4 , connected to another voltage source, V 3 , then connected to an additional voltage source, V 5 .
- Said voltage source, V 5 is then connected to the switch, T 2 , which in turn is connected to said voltage source V 4 .
- Mesh V comprises a switch, with a diode, D 2 , which in turn connects
- VI mesh comprises the voltage source, V 3 , connected with a switch, the which in turn connects to another switch, S 2 .
- Said switch, S 2 is then connected to said voltage source V 3 .
- Switch 7 connects to diode D 2 , which, in turn, connects to
- diode D 1 connects to diode D 1 .
- Said diode D 1 is connected to the switch which
- the output voltage is determined from the voltage difference generated between two nodes; the first node is located between the switches the
- the output voltage of the functional blocks does not limit the scope of the present invention. In a preferred embodiment, it is in a range from 0 [V] to 1200 [V]
- the output current of the functional blocks does not limit the scope of the present invention. In a preferred embodiment, it is in the range of 0 [A] to 8 [A] However, higher output currents can be used without limiting the scope of the present invention.
- the output power of the functional blocks also does not limit the scope of the present invention. In a preferred embodiment, it is in the range of 0 [kW] to 10 [kW]
- a diode will be understood as an electronic valve with two electrodes that only allows current to pass in one direction, preventing the passage of current in the opposite direction.
- a semiconductor switch will be understood as that electronic power device provided with semiconductor electronic valves, and whose objective is to open or close the passage of electric current in a circuit.
- a functional block will be understood as that set of electrical and / or electronic elements that are interconnected in such a way that the set fulfills a specific function.
- asymmetric outputs will be understood as those configuration whose main blocks generate different levels of output voltage.
- a serial connection will be understood as a connection configuration in which the devices are connected successively.
- FIG. 1 shows a general truth table, where the states of the switches are observed in relation to the 23 levels of output voltage of the circuit. These output voltage levels are detailed below:
- the switches are closed, the switches are open, and the output voltage is (V 4 ).
- the switches They are closed, the switches are open, and the output voltage is (V 3 ).
- the switches are closed, switches 5 are open, and the output voltage is (-V 1 - V 2 ).
- the switches are closed, the switches are open, and the output voltage is (-V 2 - V 5 ).
- FIG. 2 shows a graph with the output voltage in a particular embodiment of a functional block over time. In this graph it is observed that the voltage value oscillates between -550V and 550V.
- FIG. 3 shows the generic cascading arrangement for a plurality of functional blocks connected in series with each other, and configured to achieve providing a number of determined output voltage levels.
- the number of levels that each functional block is capable of generating is detailed in the truth table of FIG. 1 .
- FIG. 4 shows an example of embodiment of the power converter circuit that is the object of the present invention.
- a circuit of a power converter with an output phase is illustrated, which generates 45 voltage levels.
- the proposed structure comprises two functional blocks connected in series.
- the values for said DC voltage sources that are illustrated in FIG. 5 are:
- the peak output voltage is 1100V having a step voltage of 50V with an output frequency of 50Hz, and the peak current is 7.3A.
- FIG. 5 shows a graph with the output voltage of the first functional block in said embodiment.
- the output voltage of said first functional block describes a step function ranging from -550V to 550V.
- FIG. 6 shows a graph with the output voltage of the second functional block in said embodiment.
- the output voltage of said second functional block describes a sinusoidal function that oscillates between -550V and 550V, presenting a step at zero.
- FIG. 7 shows a graph with the output voltage of the circuit in said embodiment.
- the output voltage of said circuit describes a sinusoidal function that oscillates between -1 100V and 1 100V and that is the sum of the output voltage of the first functional block with the output voltage of the second functional block.
- FIG. 8 shows a graph with the output current of the circuit in said embodiment.
- the output current of this circuit describes a sinusoidal function ranging from -7.3A to 7.3A.
- FIG. 9 shows an enumeration of meshes that make up a functional block of the power converter circuit.
- the enumeration referring to each mesh described in this detailed description is indicated. Said enumeration was made in order to give a better understanding of the present invention, but does not limit the scope of the protection requested.
- Example 1 Realization of the circuit of a power converter that is the object of the present invention.
- FIG. 4 illustrates a circuit of a single phase power converter generating 45 voltage levels.
- the proposed structure comprises two functional blocks connected in series.
- the peak output voltage is 1100V, having a step voltage of 50V with an output frequency of 50Hz, and the peak current is 7.3A.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Ac-Ac Conversion (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA3137339A CA3137339A1 (en) | 2019-05-09 | 2019-05-09 | Multilevel power converter circuit |
PCT/CL2019/050038 WO2020223830A1 (es) | 2019-05-09 | 2019-05-09 | Circuito de convertidor de potencia multinivel |
CN201980006732.2A CN112292807A (zh) | 2019-05-09 | 2019-05-09 | 多电平功率转换器电路 |
JP2021566578A JP7127223B2 (ja) | 2019-05-09 | 2019-05-09 | マルチレベル電力変換回路 |
EP19897527.8A EP3926810A4 (en) | 2019-05-09 | 2019-05-09 | MULTI-LEVEL POWER CONVERTER CIRCUIT |
US17/610,133 US12003194B2 (en) | 2019-05-09 | 2019-05-09 | Multilevel power converter circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CL2019/050038 WO2020223830A1 (es) | 2019-05-09 | 2019-05-09 | Circuito de convertidor de potencia multinivel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020223830A1 true WO2020223830A1 (es) | 2020-11-12 |
Family
ID=73050467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CL2019/050038 WO2020223830A1 (es) | 2019-05-09 | 2019-05-09 | Circuito de convertidor de potencia multinivel |
Country Status (6)
Country | Link |
---|---|
US (1) | US12003194B2 (es) |
EP (1) | EP3926810A4 (es) |
JP (1) | JP7127223B2 (es) |
CN (1) | CN112292807A (es) |
CA (1) | CA3137339A1 (es) |
WO (1) | WO2020223830A1 (es) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2768303Y (zh) | 2004-12-10 | 2006-03-29 | 华中科技大学 | 级联型多电平逆变器 |
US20110115532A1 (en) * | 2009-11-16 | 2011-05-19 | General Electric Company | Multilevel converter operation |
US20140192572A1 (en) * | 2013-01-08 | 2014-07-10 | Toshiba Mitsubishi-Electric Industrial Sys. Corp. | Power converter capable of outputting a plurality of different levels of voltages |
US20150003127A1 (en) * | 2013-06-26 | 2015-01-01 | Fuji Electric Co., Ltd. | Multilevel power conversion circuit |
CN105450063A (zh) | 2015-12-11 | 2016-03-30 | 华南理工大学 | 一种半桥级联型多电平逆变器及控制方法 |
US20170163171A1 (en) * | 2015-12-03 | 2017-06-08 | Industry-Academic Cooperation Foundation, Yonsei University | Apparatus and method for controlling asymmetric modular multilevel converter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104362878B (zh) * | 2014-11-28 | 2017-07-21 | 东南大学 | 用于多电平变换器的基本单元、三电平和m电平拓扑结构 |
CN105827129B (zh) * | 2015-01-04 | 2020-06-02 | 华为技术有限公司 | 多电平拓扑的电路和功率变换器 |
-
2019
- 2019-05-09 WO PCT/CL2019/050038 patent/WO2020223830A1/es unknown
- 2019-05-09 CA CA3137339A patent/CA3137339A1/en active Pending
- 2019-05-09 US US17/610,133 patent/US12003194B2/en active Active
- 2019-05-09 CN CN201980006732.2A patent/CN112292807A/zh active Pending
- 2019-05-09 JP JP2021566578A patent/JP7127223B2/ja active Active
- 2019-05-09 EP EP19897527.8A patent/EP3926810A4/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2768303Y (zh) | 2004-12-10 | 2006-03-29 | 华中科技大学 | 级联型多电平逆变器 |
US20110115532A1 (en) * | 2009-11-16 | 2011-05-19 | General Electric Company | Multilevel converter operation |
US20140192572A1 (en) * | 2013-01-08 | 2014-07-10 | Toshiba Mitsubishi-Electric Industrial Sys. Corp. | Power converter capable of outputting a plurality of different levels of voltages |
US20150003127A1 (en) * | 2013-06-26 | 2015-01-01 | Fuji Electric Co., Ltd. | Multilevel power conversion circuit |
US20170163171A1 (en) * | 2015-12-03 | 2017-06-08 | Industry-Academic Cooperation Foundation, Yonsei University | Apparatus and method for controlling asymmetric modular multilevel converter |
CN105450063A (zh) | 2015-12-11 | 2016-03-30 | 华南理工大学 | 一种半桥级联型多电平逆变器及控制方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3926810A4 |
Also Published As
Publication number | Publication date |
---|---|
US20220224245A1 (en) | 2022-07-14 |
EP3926810A1 (en) | 2021-12-22 |
EP3926810A4 (en) | 2022-10-26 |
JP2022531616A (ja) | 2022-07-07 |
CA3137339A1 (en) | 2020-11-12 |
CN112292807A (zh) | 2021-01-29 |
JP7127223B2 (ja) | 2022-08-29 |
US12003194B2 (en) | 2024-06-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Samadaei et al. | An envelope type (E-Type) module: asymmetric multilevel inverters with reduced components | |
JP5803683B2 (ja) | マルチレベル電力変換回路 | |
US20140016380A1 (en) | Multi-level voltage converter | |
Aalami et al. | Design of a new combined cascaded multilevel inverter based on developed H-bridge with reduced number of IGBTs and DC voltage sources | |
Babaei et al. | A new basic unit for symmetric and asymmetric cascaded multilevel inverter with reduced number of components | |
Ponkumar et al. | Realization of cascaded multilevel inverter | |
Babaei et al. | New multilevel converter topology with minimum number of gate driver circuits | |
Hosseinzadeh et al. | Cascaded multilevel inverter based on new sub-module inverter with reduced number of switching devices | |
Seifi et al. | Design and simulation of a new symmetric/asymmetric structure of multilevel inverter based on switch-diode-source cells | |
Thiyagarajan | New symmetric extendable type multilevel inverter topology with reduced switch count | |
WO2020223830A1 (es) | Circuito de convertidor de potencia multinivel | |
Shahir et al. | 16-level basic topology for cascaded multilevel inverters with reduced number of components | |
US20200228028A1 (en) | Inverter system | |
Reddy et al. | Novel symmetric and asymmetric topology of multilevel inverter with reduced number of switches | |
JP2013172627A (ja) | マルチレベル電力変換回路 | |
Bayat et al. | A new structure with new algorithms for cascaded multilevel inverters by reducing number of IGBTs | |
Jaya et al. | Modeling and simulation of a three phase multilevel inverter for harmonic reduction based on modified space vector pulse width modulation (SVPWM) | |
Chakraborty et al. | A Comparative Study Between Two Switching Angle Techniques for Cascaded H-Bridge Multilevel Inverter | |
Arif et al. | Modified asymmetrical 13-level inverter topology with reduce power semiconductor devices | |
Angirekula et al. | Modeling and analysis of single phase multi string five level inverter for distributed energy resources | |
Rathore et al. | A Symmetrical Cross-Connected T-Type Multilevel Inverter With Reduce Device Count | |
Adem | Switching scheme of voltage levels and logic equation in asymmetrical single-phase seven-level cascaded H-bridge multilevel inverter | |
Kasinathan | Hybrid modulation technique for asymmetrical reduced switch multilevel inverter | |
Aparna et al. | Single-Phase Switched-Capacitor Integrated-with Five-level boost Inverter. | |
Raju et al. | Design of Novel Cross-Tied Trinary Sequence Multilevel Inverter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19897527 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019897527 Country of ref document: EP Effective date: 20200622 |
|
ENP | Entry into the national phase |
Ref document number: 2021566578 Country of ref document: JP Kind code of ref document: A Ref document number: 3137339 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |