公开(公告)号：US20200052629A1

公开(公告)日：2020-02-13

申请号：US16659144

申请日：2019-10-21

Applicant: ABB Schweiz AG

Inventor： Matthias Baechle ,  Rudolf Wieser ,  Peter Al-Hokayem ,  Eduardo Rohr

IPC: H02P9/14 ,  H02J3/46 ,  H02J1/10 ,  H02J3/38 ,  F01D15/10 ,  H02P9/00

Abstract: The invention relates to a power generation system, comprising a synchronous generator (3) for converting mechanical power into electrical power at an output side configured for connecting an AC power grid (1), a first rectifier (12) and a second rectifier (13) each having an AC side (14) connected to the output side of the generator (3) and a DC side (15), an exciter (9) configured for exciting the, and a selector device (18) having an input side (17) and an output side (19), the input side (17) connected to the DC side (15) of the first rectifier (12) and to the DC side (15) of the second rectifier (13) and the output side (19) connected to the exciter (9), whereby the selector device (18) is configured for switching the DC sides (15) in series or in parallel or for transmitting DC power from the first rectifier (12) and the second rectifier (13) corresponding to an arbitrary split ratio to the output side (19).

公开(公告)号：US20230370003A1

公开(公告)日：2023-11-16

申请号：US18356372

申请日：2023-07-21

Applicant: ABB Schweiz AG

Inventor： Deyan Zhelev ,  Matthias Baechle ,  Georg Meier

IPC: H02P9/12 ,  H02P9/08

CPC classification number: H02P9/123 ,  H02P9/08

Abstract: A de-exciting system for dissipating energy from an inductive circuit that comprises at least one coil adapted to be attached to said inductive circuit and comprising a series connection of a discharge resistor and a unidirectional discharge switching element; a unidirectional bypass switching element that is connected in parallel to the discharge resistor such that, when the de-exciting system is attached to the inductive circuit and both the discharge switching element and the bypass switching element are in a conducting state, a closed conducting path comprising the coil, the discharge switching element, and the bypass switching element is formed; and a control device configured to, in a first de-excitation phase, switch both the discharge switching element and the bypass switching element into a conducting state, and in a second de-excitation phase, switch the bypass switching element into a non-conducting state, while keeping the discharge switching element in the conducting state.

公开(公告)号：US10855215B2

公开(公告)日：2020-12-01

申请号：US16659144

申请日：2019-10-21

Applicant: ABB Schweiz AG

Inventor： Matthias Baechle ,  Rudolf Wieser ,  Peter Al-Hokayem ,  Eduardo Rohr

IPC: H02P9/14 ,  F01D15/10 ,  H02J1/10 ,  H02J3/38 ,  H02J3/46 ,  H02P9/00

Abstract: The application relates to a power generation system, including a synchronous generator for converting mechanical power into electrical power at an output side configured for connecting an AC power grid, a first rectifier and a second rectifier each having an AC side connected to the output side of the generator and a DC side, an exciter configured for exciting the, and a selector device having an input side and an output side, the input side connected to the DC side of the first rectifier and to the DC side of the second rectifier and the output side connected to the exciter, the selector device is configured for switching the DC sides in series or in parallel or for transmitting DC power from the first rectifier and the second rectifier corresponding to an arbitrary split ratio to the output side.