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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
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).
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2.发明公开
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
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).
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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
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).
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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
发明人： BORTIS, Dominik , KOLAR, Johann , AZURZA, Jon
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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