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1. 发明公开

EP3972109A1 SINUSOIDAL TRIANGULAR CURRENT MODE CONTROL FOR POWER CONVERTER 审中-公开
公开(公告)号：EP3972109A1
公开(公告)日：2022-03-23
申请号：EP20197078.7
申请日：2020-09-18
申请人： Infineon Technologies Austria AG
发明人： KOLAR, Johann , AZURZA, Jon , HAIDER, Michael , MIRIC, Spasoje
IPC分类号： H02M7/219 , H02M7/5387 , H02M1/00
摘要： A power conversion method and a power converter are disclosed. The method includes providing a phase current reference (Ia*, Ib*, Ic*) for at least one phase (11, 12, 13) of a power converter, wherein the at least one phase (11, 12, 13) comprises an inductor (21, 22, 23) and a switching stage (31, 32, 33) coupled to the inductor (21, 22, 23); defining a current band value (Ibnd; Ibnda(t), Ibndb(t), Ibndc(t)) for the at least one phase (11, 12, 13); calculating a first current limit (Iatop, Ibtop, Ictop) and a second current limit (Iabot, Ibbot, Icbot) based on the phase current reference (Ia*, Ib*, Ic*) and the current band value (Ibnd; Ibnda(t), Ibndb(t), Ibndc(t)); and modulating a phase current (la, Ib, Ic) of the at least one phase (11, 12, 13) such that the phase current (la, Ib, Ic) oscillates between the first current limit (Iatop, Ibtop, Ictop) and the second current limit (Iabot, Ibbot, Icbot).

2. 发明公开

EP3972110A1 SINUSOIDAL TRIANGULAR CURRENT MODE CONTROL FOR POWER CONVERTER 审中-实审
公开(公告)号：EP3972110A1
公开(公告)日：2022-03-23
申请号：EP21190599.7
申请日：2021-08-10
申请人： Infineon Technologies Austria AG
发明人： KOLAR, Johann , AZURZA, Jon , HAIDER, Michael , MIRIC, Spasoje
IPC分类号： H02M7/219 , H02M7/5387 , H02M1/00
摘要： A power conversion method and a power converter are disclosed. The method includes providing a phase current reference (Ia*, Ib*, Ic*) for at least one phase (11, 12, 13) of a power converter, wherein the at least one phase (11, 12, 13) comprises an inductor (21, 22, 23) and a switching stage (31, 32, 33) coupled to the inductor (21, 22, 23); defining a current band value (Ibnd; Ibnda(t), Ibndb(t), Ibndc(t)) for the at least one phase (11, 12, 13); calculating a first current limit (Iatop, Ibtop, Ictop) and a second current limit (Iabot, Ibbot, Icbot) based on the phase current reference (Ia*, Ib*, Ic*) and the current band value (Ibnd; Ibnda(t), Ibndb(t), Ibndc(t)); and modulating a phase current (Ia, Ib, Ic) of the at least one phase (11, 12, 13) such that the phase current (Ia, Ib, Ic) oscillates between the first current limit (Iatop, Ibtop, Ictop) and the second current limit (Iabot, Ibbot, Icbot).

3. 发明公开

EP4175150A1 METHOD FOR OPERATING A CURRENT SOURCE CONVERTER, CONTROL CIRCUIT, AND CURRENT SOURCE CONVERTER 审中-实审
公开(公告)号：EP4175150A1
公开(公告)日：2023-05-03
申请号：EP21206098.2
申请日：2021-11-02
申请人： Infineon Technologies Austria AG
发明人： ZHANG, Daniel , HUBER, Jonas Emanuel , KOLAR, Johann , NAIN, Neha
IPC分类号： H02M5/458 , H02M1/00 , H02M7/5387
摘要： Disclosed is a method. The method includes detecting an operating state of a current source converter that comprises a current source rectifier (1), a current source inverter (2), and an inductor circuit (3) connected between an output (p, n) of the current source rectifier (1) and an input (q, r) of the current source inverter (2); and dependent on the detected operating state, operating the current source converter in a first operating mode or a second operating mode. Operating the current source converter in the first operating mode comprises operating the current source rectifier (1) in a 2/3 mode and operating the current source inverter in a 3/3 mode, and operating the current source converter in the second operating mode comprises operating the current source inverter (2) in the 2/3 mode and operating the current source rectifier in the 3/3 mode.

4. 发明公开

EP4135178A1 METHOD OF OPERATING A POWER CONVERTER ARRANGEMENT, CONTROL CIRCUIT AND POWER CONVERTER ARRANGEMENT 审中-实审
公开(公告)号：EP4135178A1
公开(公告)日：2023-02-15
申请号：EP21191396.7
申请日：2021-08-13
申请人： Infineon Technologies Austria AG
发明人： KOLAR, Johann , AZURZA, Jon , KASPER, Matthias Joachim , MENZI, David
IPC分类号： H02M1/42 , H02M1/14 , H02M1/00
摘要： A method, a control circuit, and a power converter arrangement are disclosed. The method includes: coupling three power converters (1, 2, 3) with each other; connecting each of the three power converters (1, 2, 3) to a 3-phase power source (4) configured to provide three supply voltages (Ua, Ub, Uc); and regulating a respective input signal (V1, V2, V3; I1, 12, 13) of each of the three power converters (1, 2, 3) dependent on a common mode signal (Scm).

5. 发明公开

EP4325705A2 METHOD FOR OPERATING A POWER CONVERTER 审中-实审
公开(公告)号：EP4325705A2
公开(公告)日：2024-02-21
申请号：EP24150636.9
申请日：2019-06-14
申请人： Infineon Technologies Austria AG
发明人： BORTIS, Dominik , KOLAR, Johann , AZURZA ANDERSON, Jon
IPC分类号： H02M1/12
摘要： A method for operating a power converter is enclosed. The method includes operating the power converter (10) in a reduced switching mode. The power converter includes three input nodes (A, B, C) each configured to receive a respective one of three input voltages (V1, V2, V2) two DC link nodes (X, Z) configured to provide a DC link voltage (V4), and a midpoint (Y) coupled to each of the two DC link nodes (X, Z); three inductors (L1, L2, L3) each connected to a respective one of the three input nodes (A, B, C); and a rectifier bridge (1) comprising three bridge legs (1 1 , 1 2 , 1 3 ) each coupled to a respective one of the three inputs (A, B, C) through a respective one of the three inductors (L1, L2, L3) and connected to the respective one of the three inductors (L1, L2, L3) at a respective switch node (A', B', C'), wherein each of the three bridge legs (1 1 , 1 2 , 1 3 ) is connected to the two DC link nodes (X, Z) and the midpoint (Y), and comprises at least one electronic switch (Q1, Q2, Q3). Operating the power converter in the reduced switching mode includes deactivating at least one of the three bridge legs (1 1 , 1 2 , 1 3 ) for a predefined time period.

6. 发明公开

EP4224687A1 POWER CONVERTER 审中-实审
公开(公告)号：EP4224687A1
公开(公告)日：2023-08-09
申请号：EP22155040.3
申请日：2022-02-03
申请人： Infineon Technologies Austria AG
发明人： HUBER, Jonas Emanuel , KOLAR, Johann , MENZL, David
IPC分类号： H02M1/00 , H02M3/158 , H02M7/5387
摘要： Disclosed is a power converter. The power converter includes first nodes (11, 12); a plurality of second nodes (13a, 13b, 13c); and a plurality of converter units (1a, 1b, 1c). Each of the plurality of converter units (1a, 1b, 1c) includes a first stage (2a, 2b, 2c) coupled to the first nodes (11, 12) and including a switch node (23a, 23b, 23c) of the first stage (2a, 2b, 2c), a second stage (3a, 3b, 3c) coupled to a respective one of the second nodes (13a, 13b, 13c) and including a switch node (33a, 33b, 33c) of the second stage (3a, 3b, 3c), and an inductor (4a, 4b, 4c). The switch node (23a, 23b, 23c) of the first stage (2a, 2b, 2c) is connected to the switch node (33a, 33b, 33c) of the second stage (3a, 3b, 3c), and the inductor (4a, 4b, 4c) is connected between an inductor node (32a, 32b, 32c) of the second stage (3a, 3b, 3c) and one of the first nodes (11, 12).

7. 发明公开

EP3726719A1 POWER CONVERTER AND POWER CONVERSION METHOD 无效
公开(公告)号：EP3726719A1
公开(公告)日：2020-10-21
申请号：EP19208167.7
申请日：2019-11-08
申请人： Infineon Technologies Austria AG
发明人： BORTIS, Dominik , DEBOY, Gerald , GUACCI, Mattia , KASPER, Matthias Joachim , KOLAR, Johann
IPC分类号： H02M7/48 , H02M3/158 , H02M1/32 , H01L29/778 , H02M1/00 , H02M1/42
摘要： Disclosed is a current source inverter that uses combinations of normally-on and normally-off switches to provide free-wheeling paths for the current in case of loss of control signals or gate drive power.

8. 发明公开

EP4325705A3 METHOD FOR OPERATING A POWER CONVERTER 审中-实审
公开(公告)号：EP4325705A3
公开(公告)日：2024-05-15
申请号：EP24150636.9
申请日：2019-06-14
申请人： Infineon Technologies Austria AG
发明人： BORTIS, Dominik , KOLAR, Johann , AZURZA ANDERSON, Jon
IPC分类号： H02M1/42 , H02M7/487 , H02M7/217 , H02M1/12 , H02M1/00
CPC分类号： H02M1/4216 , H02M1/12 , H02M7/487 , H02M7/217 , Y02B70/10 , H02M1/0048 , H02M1/0054 , H02M1/0077 , H02M1/007
摘要： A method for operating a power converter is enclosed. The method includes operating the power converter (10) in a reduced switching mode. The power converter includes three input nodes (A, B, C) each configured to receive a respective one of three input voltages (V1, V2, V2) two DC link nodes (X, Z) configured to provide a DC link voltage (V4), and a midpoint (Y) coupled to each of the two DC link nodes (X, Z); three inductors (L1, L2, L3) each connected to a respective one of the three input nodes (A, B, C); and a rectifier bridge (1) comprising three bridge legs (11, 12, 13) each coupled to a respective one of the three inputs (A, B, C) through a respective one of the three inductors (L1, L2, L3) and connected to the respective one of the three inductors (L1, L2, L3) at a respective switch node (A', B', C'), wherein each of the three bridge legs (11, 12, 13) is connected to the two DC link nodes (X, Z) and the midpoint (Y), and comprises at least one electronic switch (Q1, Q2, Q3). Operating the power converter in the reduced switching mode includes deactivating at least one of the three bridge legs (11, 12, 13) for a predefined time period.

9. 发明公开

EP3972105A1 POWER CONVERSION METHOD USING A SYNERGETIC CONTROL OF TWO POWER CONVERTERS 审中-公开
公开(公告)号：EP3972105A1
公开(公告)日：2022-03-23
申请号：EP20196408.7
申请日：2020-09-16
申请人： Infineon Technologies Austria AG
发明人： KOLAR, Johann , LI, Yunni , SCHÄFER, Jannik Robin
IPC分类号： H02M1/42 , H02M3/335 , H02M1/00
摘要： A power conversion method is disclosed. The method includes operating a PFC converter (11) configured to receive three input voltages (Ua, Ub, Uc) and provide a DC link voltage (Upn) between DC link nodes (p, n) in one of at least two different operating modes, and operating an SR converter (12) coupled to the PFC converter (12) via the DC link nodes (p, n) in one of at least two different operating modes dependent on an output voltage (Uo) of the SR converter (12). Operating the SR converter (12) includes regulating a voltage level of the DC link voltage (Upn) dependent on a DC link voltage reference (Upn*), and the at least two different operating modes of the SR converter (12) include a buck mode and a series resonant (SR) mode.

10. 发明公开

EP3709489A1 METHOD FOR OPERATING A POWER CONVERTER 有权
公开(公告)号：EP3709489A1
公开(公告)日：2020-09-16
申请号：EP19180259.4
申请日：2019-06-14
申请人： Infineon Technologies Austria AG
发明人： BORTIS, Dominik , KOLAR, Johann , AZURZA, Jon
IPC分类号： H02M1/42 , H02M7/487 , H02M7/217 , H02M1/12 , H02M1/00
摘要： A method for operating a power converter is enclosed. The method includes operating the power converter (10) in a reduced switching mode. The power converter includes three input nodes (A, B, C) each configured to receive a respective one of three input voltages (VI, V2, V2) two DC link nodes (X, Z) configured to provide a DC link voltage (V4), and a midpoint (Y) coupled to each of the two DC link nodes (X, Z); three inductors (L1, L2, L3) each connected to a respective one of the three input nodes (A, B, C); and a rectifier bridge (1) comprising three bridge legs (1 1 , 1 2 , 1 3 ) each coupled to a respective one of the three inputs (A, B, C) through a respective one of the three inductors (L1, L2, L3) and connected to the respective one of the three inductors (L1, L2, L3) at a respective switch node (A', B', C'), wherein each of the three bridge legs (1 1 , 1 2 , 1 3 ) is connected to the two DC link nodes (X, Z) and the midpoint (Y), and comprises at least one electronic switch (Ql, Q2, Q3). Operating the power converter in the reduced switching mode includes deactivating at least one of the three bridge legs (1 1 , 1 2 , 1 3 ) for a predefined time period.

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