WO2023111069A1 - Wechselrichter und ausgangsfiltersystem zur bereitstellung von ein-phasen und drei-phasen ausgangspannungen - Google Patents
Wechselrichter und ausgangsfiltersystem zur bereitstellung von ein-phasen und drei-phasen ausgangspannungen Download PDFInfo
- Publication number
- WO2023111069A1 WO2023111069A1 PCT/EP2022/085938 EP2022085938W WO2023111069A1 WO 2023111069 A1 WO2023111069 A1 WO 2023111069A1 EP 2022085938 W EP2022085938 W EP 2022085938W WO 2023111069 A1 WO2023111069 A1 WO 2023111069A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- connection
- output
- phase
- voltage
- Prior art date
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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
- H02M7/53—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
- H02M7/5387—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 in a bridge configuration
- H02M7/53871—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 in a bridge configuration with automatic control of output voltage or current
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
- H02M1/126—Arrangements for reducing harmonics from AC input or output using passive filters
-
- 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
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or 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
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from AC or DC
Definitions
- the present approach relates to an inverter device for a vehicle and a method for operating an inverter device.
- Some vehicles such as commercial vehicles, have a power take-off that provides power from a vehicle battery of the vehicle for an additional electrical device.
- An inverter device for a vehicle has a 3-phase inverter and a filter device.
- the 3-phase inverter has a first supply voltage connection for feeding DC voltage from a vehicle battery, a second supply voltage connection for connecting to the vehicle battery, a first supply connection for supplying first AC voltage, a second supply connection for supplying second AC voltage and a third supply connection for supply from third alternating voltage.
- the filter device has at least a first coupling connection for electrically coupling to the first supply connection and a second coupling connection for electrically coupling to the second supply connection, at least one filter output for providing filtered AC voltage and a neutral conductor output.
- the filter device has at least one first phase inductance is connected between the first coupling terminal and the filter output, and has a second phase inductance connected between the second coupling terminal and the neutral conductor output, and a filter capacitance connected between the filter output and the neutral conductor output.
- the first AC voltage can be generated by a switch pair of the 3-phase inverter connected between the first and second supply voltage connection.
- the second AC voltage can be generated by a second switch pair of the 3-phase inverter connected between the first and second supply voltage connection and/or the third AC voltage can be generated by a third switch pair of the 3-phase inverter connected between the first and second supply voltage connection become.
- the first AC voltage, second AC voltage and/or third AC voltage can be 400V/vf, where “vf” is to be understood as “variable frequency”.
- the filter output can be used to connect an electrical device, with the neutral conductor output advantageously ensuring that an imbalance is compensated for during operation of the device.
- the filter device can also have a quadrature phase inductance which is connected between the first coupling connection and the neutral conductor output. In this way, a voltage curve can be harmonized.
- the neutral conductor output can be coupled to the first supply voltage connection by means of a first high-voltage neutral conductor capacitance and/or wherein the neutral conductor output can be coupled to the second supply voltage connection by means of a second high-voltage neutral conductor capacitance, in particular wherein the second high-voltage neutral conductor capacitance forms part of the filter capacitance can.
- Capacitors of this type for example in the form of capacitors, can be used to store electrical charge.
- the filter device can also have a first auxiliary phase inductance, which is connected between a first tapping point between the first phase inductance and the first auxiliary phase inductance and the filter output, with a Positive phase capacitance is connected between the first tapping point and the first supply voltage connection and/or wherein a negative phase capacitance can be connected between the first tapping point and the second supply voltage connection, in particular wherein the negative phase capacitance can form part of the filter capacitance.
- the filter output can be designed to provide an AC voltage of 230V/50Hz.
- a 1-phase micro network for a 230V consumer can thus be implemented.
- the filter device can also have at least one second filter output for providing a second AC voltage and a further phase inductance, which is connected between the second coupling connection and the second filter output, and/or the filter device can have at least one third coupling connection for electrical coupling the third supply connection, a third filter output for supplying third AC voltage and a third phase inductance, which is connected between the third coupling connection and the third filter output.
- a symmetrical 3-phase filter for example, can be implemented in this way.
- the filter device can also have a second auxiliary phase inductance, which is connected between a second tapping point between the further phase inductance and the second auxiliary phase inductance and the second filter output, with a second positive phase capacitance being connected between the second tapping point and the first supply voltage connection and/or with a second negative phase capacitance can be connected between the second tap point and the second supply voltage connection.
- the filter device can also have a third auxiliary phase inductance, which can be connected between a third tap point between the third phase inductance and the third auxiliary phase inductance and the third filter output, a third positive phase capacitance being connected between the third tap point and the first supply voltage connection and/or wherein one third negative-phase capacitance can be connected between the third tap point and the second supply voltage connection.
- a third auxiliary phase inductance which can be connected between a third tap point between the third phase inductance and the third auxiliary phase inductance and the third filter output, a third positive phase capacitance being connected between the third tap point and the first supply voltage connection and/or wherein one third negative-phase capacitance can be connected between the third tap point and the second supply voltage connection.
- the filter device can have a third quadrature phase inductance, which is connected between the third coupling connection and the neutral conductor output.
- the filter output, the second filter output and/or the third filter output can be designed to provide an AC voltage of 400V/vf.
- a high-voltage network for a 400V consumer can thus be implemented.
- a method for operating one of the inverter devices described above has at least one step of connecting the first supply voltage connection and the second supply voltage connection to the vehicle battery in order to provide the filtered AC voltage at least at the filter output.
- This method can be implemented, for example, in software or hardware or in a mixed form of software and hardware, for example in a control unit.
- a further aspect of the invention is a vehicle which has a vehicle battery and an inverter device according to the invention.
- the vehicle is a commercial vehicle which at least at times has a power take-off that is connected to the filter outlet.
- the power take-off preferably includes a work function in which structures on the vehicle are moved or temperature-controlled, such as crane, tipping, mixing or refrigerated structures or in the case of agricultural equipment.
- FIG. 1 shows a schematic illustration of an inverter device according to an embodiment
- FIG. 2 shows a schematic illustration of an inverter device according to an embodiment
- FIG 3 shows a flow chart of a method according to an embodiment for operating an inverter device.
- FIG. 1 shows a schematic illustration of an inverter device 100 according to an embodiment.
- the inverter device 100 is suitable for use in a vehicle 102 .
- the inverter device 100 has a 3-phase inverter 105 and a filter device 110 .
- the 3-phase inverter 105 has a first supply voltage connection VA1 for feeding DC voltage from a vehicle battery 115, a second supply voltage connection VA2 for connecting to the vehicle battery 115, a first supply connection BA1 for providing first AC voltage, a second supply connection BA2 for providing second AC voltage and a third supply connection BA3 for providing third AC voltage.
- the filter device 110 has at least one first coupling connection KA1 for electrical coupling to the first supply connection BA1 and a second coupling connection KA2 for electrical coupling to the second supply connection BA2, at least one filter output FA for providing filtered AC voltage and a neutral conductor output NA.
- the filter device 110 has at least a first phase inductance PI1, which is connected between the first coupling connection KA1 and the filter output FA, and a second phase inductance PI2, which is connected between the second coupling connection KA2 and is connected to the neutral conductor output NA, and a filter capacitance FK, which is connected between the filter output FA and the neutral conductor output NA.
- the first AC voltage is generated by a switch pair S of the 3-phase inverter 105 connected between the first supply voltage connection VA1 and the second supply voltage connection VA2.
- the second AC voltage according to this exemplary embodiment is switched by a second pair of switches S2 of the 3-phase inverter 105 connected between the first supply voltage connection VA1 and the second supply voltage connection VA2, and/or the third AC voltage is switched by a third pair of switches connected between the first supply voltage connection VA1 and the second supply voltage connection VA2 S3 of the 3-phase inverter 105 is generated.
- the first AC voltage, second AC voltage and/or third AC voltage is 400 V/vf.
- the filter output FA is designed to provide an AC voltage of 230V/50Hz.
- the inverter device 100 implements a 230V/50Hz output and a floating neutral conductor output NA.
- the 3-phase inverter 105 which can also be referred to as “AC/DC inverter” or “e-mobility inverter”
- various connections and filters 110 on its Output in the form of the delivery connections BA1, BA2, BA3 different functions.
- the neutral conductor N which opens into the neutral conductor output NA, which can also be referred to as “floating neutral”
- an imbalance caused by the charge and/or consumers in the 230V AC microgrid is advantageously compensated.
- the inverter device 100 presented here uses a 3-phase inverter 105 to control an electric motor of a power take-off in order to set up a 230V/50Hz microgrid/microgrid and set up a potential-free neutral point, here at the neutral conductor output NA.
- a microgrid with 230VAC/50Hz is provided with the following features:
- the inverter device 100 includes the AC/DC inverter 105 with DC input and AC output, which includes three wires. Furthermore, using the inverter device 100, different, for example three, functions of an inverter 105 are made possible by different connections and filters 110 at its output:
- the 3-phase inverter 105 includes the filter device 110 at the output in order to obtain 230V/50Hz, 10A or 16A and to set up a 1-phase microgrid.
- the 3-phase inverter supplies a 3-phase eMotor as a drive with a variable frequency, for example 400V/vf.
- a symmetrical filter generates a neutral point between a positive high-voltage path HV+ and a negative high-voltage path HV- for the 3-phase system.
- the neutral point allows the system to handle an unbalanced system on average for light loads, for example a 230V application.
- the inverter device 100 offers a cost-effective solution for a utility grid.
- FIG. 2 shows a schematic illustration of an inverter device 100 according to an embodiment.
- This can be the inverter device 100 described in FIG. 1 , with the difference that the inverter device 100 according to this exemplary embodiment is the one described in FIG. 1 3.
- the filter device 110 also has a transverse phase inductance QI1, which is connected between the first coupling connection KA1 and the neutral conductor output NA.
- the neutral conductor output NA is also coupled to the first supply voltage connection VA1 by means of a first neutral conductor high-voltage capacitance NHK1 and/or the neutral conductor output NA is coupled to the second supply voltage connection VA2 by means of a second neutral conductor high-voltage capacitance NHK2.
- the second neutral conductor high-voltage capacitance NHK2 forms part of the filter capacitance.
- the filter device 110 also has a first auxiliary phase inductance H 11, which is connected between a first tapping point AP1 between the first phase inductance PI1 and the first auxiliary phase inductance HI1 and the filter output FA, with a positive phase capacitance PK between the first tapping point AP1 and is connected to the first supply voltage connection VA1 and/or wherein a negative phase capacitance NK is connected between the first tap point AP1 and the second supply voltage connection VA2.
- the negative-phase capacitance NK forms part of the filter capacitance.
- the filter device 110 also has at least one second filter output FA2 for providing a second AC voltage and a further phase inductance Plw, which is connected between the second coupling connection KA2 and the second filter output FA2. Furthermore, according to this exemplary embodiment, the filter device 110 has at least a third coupling connection KA3 for electrical coupling to the third supply connection BA3, a third filter output FA3 for providing a third AC voltage and a third phase inductance PI3, which is connected between the third coupling connection KA3 and the third filter output FA3 is.
- the filter device 110 also has a second
- Auxiliary phase inductance HI2 between a second tapping point AP2 is connected between the further phase inductance Plw and the second auxiliary phase inductance HI2 and the second filter output FA2, with a second positive phase capacitance PK2 being connected between the second tap point AP2 and the first supply voltage connection VA1 and/or with a second negative phase capacitance NK2 between the second Tapping point AP2 and the second supply voltage connection VA2 is connected.
- the second negative-phase capacitance NK2 forms part of the filter capacitance.
- the filter device 110 also has a third auxiliary phase inductance H I3 which is connected between a third tap point AP3 between the third phase inductance PI3 and the third auxiliary phase inductance H I3 and the third filter output FA3, with a third positive phase capacitance PK3 between the third Tapping point AP3 and the first supply voltage connection VA1 is connected and/or wherein a third negative-phase capacitance NK3 is connected between the third tapping point AP3 and the second supply voltage connection VA2.
- the filter device 110 has a third transverse phase inductance QI3, which is connected between the third coupling connection KA3 and the neutral conductor output NA.
- the filter output FA, the second filter output FA2 and/or the third filter output FA3 are designed to provide an AC voltage of 400 V/vf ⁇ 15%.
- the inverter device 100 implements at least one 400V/vf output and potential-free neutral conductor, which can also be referred to as “floating neutral” FN.
- FIG. 3 shows a flow chart of a method 300 according to an embodiment for operating an inverter device. This can be the inverter device described in FIG. 1 or 2 .
- Method 300 has at least one step 305 of connecting, in which the first supply voltage connection and the second supply voltage connection are connected to the vehicle battery in order to provide the filtered AC voltage at least at the filter output.
- the method 300 further comprises, before the step 305 of connecting, a step 310 of providing, in which the inverter device and the vehicle battery are provided.
- an embodiment includes an "and/or" link between a first feature and a second feature, this should be read in such a way that the embodiment according to one embodiment includes both the first feature and the second feature and according to a further embodiment either only that having the first feature or only the second feature.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/720,013 US20250158538A1 (en) | 2021-12-15 | 2022-12-14 | Inverter and output filter system for providing single-phase and three-phase output voltages |
CN202280082446.6A CN118402172A (zh) | 2021-12-15 | 2022-12-14 | 用于提供单相和三相输出电压的逆变器和输出滤波器系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102021214405.5 | 2021-12-15 | ||
DE102021214405.5A DE102021214405B4 (de) | 2021-12-15 | 2021-12-15 | Wechselrichtervorrichtung für ein Fahrzeug und Verfahren zum Betreiben einer Wechselrichtervorrichtung |
Publications (1)
Publication Number | Publication Date |
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WO2023111069A1 true WO2023111069A1 (de) | 2023-06-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2022/085938 WO2023111069A1 (de) | 2021-12-15 | 2022-12-14 | Wechselrichter und ausgangsfiltersystem zur bereitstellung von ein-phasen und drei-phasen ausgangspannungen |
Country Status (4)
Country | Link |
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US (1) | US20250158538A1 (de) |
CN (1) | CN118402172A (de) |
DE (1) | DE102021214405B4 (de) |
WO (1) | WO2023111069A1 (de) |
Citations (7)
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JP2001069762A (ja) * | 1999-08-31 | 2001-03-16 | Mitsubishi Electric Corp | インバータ式駆動装置の漏洩電流低減フィルタ |
DE102004004627A1 (de) * | 2004-01-29 | 2005-08-18 | Siemens Ag | Schaltungsanordnung zur Reduzierung symmetrischer uns asymetrischer Spannungen |
US9071166B2 (en) * | 2010-08-25 | 2015-06-30 | Fuji Electric Co., Ltd. | Power converter with surge voltage suppression |
US20190291586A1 (en) * | 2018-03-21 | 2019-09-26 | Hyundai Motor Company | Charging apparatus for electric vehicle |
DE102019130602A1 (de) * | 2018-11-16 | 2020-05-20 | Schleifring Gmbh | Insel-Netzwerkstromversorgung für einen CT-Scanner |
US20200321796A1 (en) * | 2019-04-08 | 2020-10-08 | Delta Electronics (Shanghai) Co., Ltd. | Single-phase and three-phase compatible circuit and charge-discharge apparatus |
KR20210069397A (ko) * | 2019-12-03 | 2021-06-11 | 엘지이노텍 주식회사 | Ac/dc 컨버터 |
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DE102008013625A1 (de) | 2008-03-10 | 2009-10-08 | Siemens Aktiengesellschaft | Fahrzeug, insbesondere Schienenfahrzeug, mit einer Wandlereinheit und Verfahren zum Umwandeln einer Spannung |
US8488350B2 (en) | 2009-09-25 | 2013-07-16 | Astec International Limited | DC-AC inverters |
DE102010040835A1 (de) | 2010-09-15 | 2012-03-15 | Robert Bosch Gmbh | Filter für eine Dreiphasenwechselspannung und einen Dreiphasenwechselstrom und Verfahren zum Filtern einer Dreiphasenwechselspannung und eines Dreiphasenwechselstroms |
US9293978B2 (en) | 2014-01-20 | 2016-03-22 | Cummins Power Generation Ip, Inc. | Split phase power conversion apparatuses, methods and systems |
FI10441U1 (fi) | 2014-02-14 | 2014-04-07 | Abb Oy | Suodatinjärjestely |
CN107612394B (zh) | 2017-09-12 | 2019-11-22 | 爱士惟新能源技术(江苏)有限公司 | 用于具有h5拓扑结构的逆变器装置的控制处理方法 |
CN112737387A (zh) | 2019-10-14 | 2021-04-30 | 台达电子工业股份有限公司 | 电力系统 |
-
2021
- 2021-12-15 DE DE102021214405.5A patent/DE102021214405B4/de active Active
-
2022
- 2022-12-14 CN CN202280082446.6A patent/CN118402172A/zh active Pending
- 2022-12-14 WO PCT/EP2022/085938 patent/WO2023111069A1/de active Application Filing
- 2022-12-14 US US18/720,013 patent/US20250158538A1/en active Pending
Patent Citations (8)
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JP2001069762A (ja) * | 1999-08-31 | 2001-03-16 | Mitsubishi Electric Corp | インバータ式駆動装置の漏洩電流低減フィルタ |
DE102004004627A1 (de) * | 2004-01-29 | 2005-08-18 | Siemens Ag | Schaltungsanordnung zur Reduzierung symmetrischer uns asymetrischer Spannungen |
US9071166B2 (en) * | 2010-08-25 | 2015-06-30 | Fuji Electric Co., Ltd. | Power converter with surge voltage suppression |
US20190291586A1 (en) * | 2018-03-21 | 2019-09-26 | Hyundai Motor Company | Charging apparatus for electric vehicle |
DE102019130602A1 (de) * | 2018-11-16 | 2020-05-20 | Schleifring Gmbh | Insel-Netzwerkstromversorgung für einen CT-Scanner |
US20200321796A1 (en) * | 2019-04-08 | 2020-10-08 | Delta Electronics (Shanghai) Co., Ltd. | Single-phase and three-phase compatible circuit and charge-discharge apparatus |
KR20210069397A (ko) * | 2019-12-03 | 2021-06-11 | 엘지이노텍 주식회사 | Ac/dc 컨버터 |
US20230006569A1 (en) * | 2019-12-03 | 2023-01-05 | Lg Innotek Co., Ltd. | Ac/dc converter |
Also Published As
Publication number | Publication date |
---|---|
US20250158538A1 (en) | 2025-05-15 |
DE102021214405B4 (de) | 2023-11-16 |
CN118402172A (zh) | 2024-07-26 |
DE102021214405A1 (de) | 2023-06-15 |
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