公开(公告)号：US11942790B2

公开(公告)日：2024-03-26

申请号：US17788244

申请日：2020-12-23

Applicant: General Electric Technology GmbH

Inventor： Omar Jasim ,  Mohomed Abdul Quium

IPC: H02J3/36 ,  H02J3/38 ,  H02J3/48

CPC classification number: H02J3/36 ,  H02J3/48 ,  H02J3/381 ,  H02J2300/28 ,  Y02E60/60

Abstract: A control apparatus is described for controlling a frequency set-point for a first AC network electrically connected to a first HVDC station to regulate active power. The controller has a frequency controller operable in a first mode of operation to determine a frequency set-point for the first AC network based on a measured DC voltage at the first HVDC station. A disturbance detector is configured to monitor the measured value of DC voltage at the first HVDC station for a predetermined characteristic indicative that a variation in measured DC voltage does correspond to a known modulation applied to the DC voltage by a second HVDC station. The frequency controller is configured to determine the frequency set-point for the first AC network based on a measured value of DC voltage if said predetermined characteristic is detected, and to control the frequency set-point to a predetermined default frequency if not detected.

公开(公告)号：US12272955B2

公开(公告)日：2025-04-08

申请号：US17998214

申请日：2021-05-21

Applicant: General Electric Technology GmbH

Inventor： Mita Babu Narayanan ,  Omar Jasim ,  Carl Barker

IPC: H02J3/36 ,  H02J3/38 ,  H02J3/40

Abstract: A bipole power transmission scheme includes a first converter station positioned in-use remote from a second converter station, and first and second transmission conduits to in-use interconnect the first converter station with the second converter station and thereby permit the first converter station to transmit power to the second converter station. The first converter station includes a first power converter, a second power converter, and a converter station controller which is programmed to selectively transition the bipole power transmission scheme into an asymmetrical monopole configuration, while maintaining the transfer of power from both the first and second power sources.

公开(公告)号：US12034305B2

公开(公告)日：2024-07-09

申请号：US17485246

申请日：2021-09-24

Applicant: General Electric Technology GmbH

Inventor： Guillaume De Preville ,  Julian Freytes ,  Jiaqi Li ,  Marc Thouvenin ,  Omar Jasim

IPC: H02M7/483 ,  H02J3/36 ,  H02J3/38

CPC classification number: H02J3/36 ,  H02M7/4835 ,  H02J3/381 ,  H02J2300/28

Abstract: In the field of high voltage direct current (HVDC) power transmission networks, there is a need for improvements to allow a single power converter to control individual AC network voltages carried by multiple AC transmission conduits to multiple AC network elements, such as respective wind parks.

公开(公告)号：US11923687B2

公开(公告)日：2024-03-05

申请号：US17910687

申请日：2021-03-16

Applicant: General Electric Technology GmbH

Inventor： Mita Babu Narayanan ,  Omar Jasim

IPC: H02J3/38 ,  H02J3/00

CPC classification number: H02J3/381 ,  H02J3/001 ,  H02J2300/28

Abstract: A bipole power transmission scheme with two independent converts, two power feed and one return conduit. During operation of the bipole power transmission scheme under abnormal conditions, when a return conduit is faulty and unable to provide a return current path, each converter controller is programmed to monitor the first power feed in the first transmission conduit and the second power feed in the second transmission conduit and, if the first power feed in the first transmission conduit and the second power feed in the second transmission conduit differ from one another, at least one converter controller modifies the power infeed from its corresponding power source to reduce the difference between the first power feed and the second power feed.

公开(公告)号：US11728744B2

公开(公告)日：2023-08-15

申请号：US17270814

申请日：2019-08-19

Applicant: General Electric Technology GmbH

Inventor： Pablo Ariel Briff ,  Huy Quoc Si Dang ,  Richard S. Zhang ,  Guillaume De Preville ,  Stéphane Pierre Brehaut ,  Omar Jasim

IPC: H02M7/483 ,  H02M1/42 ,  H02M1/32

CPC classification number: H02M7/483 ,  H02M1/32 ,  H02M1/42 ,  H02M7/4835

Abstract: A voltage source converter having first and second DC terminals for connection to a DC network is provided. The voltage source converter includes at least one converter limb that extends between the first and second DC terminals and first and second limb portions that are separated by a respective AC terminal for connection to a corresponding phase of an AC network. Each limb portion includes a chain-link converter which is defined by a plurality of series-connected switching modules which operate in combination to provide a stepped variable voltage source. The voltage source converter includes a control apparatus configured to coordinate operation of the chain-link converters to cause an exchange of power between the DC and AC networks, evaluate the performance of one of the pluralities of series-connected switching modules, and modify the operation of the respective chain-link converter when the performance becomes degraded to a predetermined amount.

公开(公告)号：US12218504B2

公开(公告)日：2025-02-04

申请号：US18182535

申请日：2023-03-13

Applicant: General Electric Technology GmbH

Inventor： Amit Kumar ,  Andrzej Adamczyk ,  Omar Jasim ,  Si Huy Quoc Dang ,  Rajaseker Reddy Ginnareddy

IPC: H02J3/18 ,  H02J3/36 ,  H02J3/38 ,  H02M7/757

Abstract: A bipole power transmission network includes a first upstream power converter which has a first DC terminal that is connected with a first transmission conduit which extends, in-use, to a first downstream power converter. The first upstream power converter has a second DC terminal that is connected with a return conduit which extends, in-use, to the first downstream power converter and a second downstream power converter. The first upstream power converter has at least one first AC terminal electrically connected with a first AC power source. The bipole power transmission network includes a second upstream power converter which has a third DC terminal that is connected with the return conduit, and a fourth DC terminal which is connected with a second transmission conduit that extends, in-use, to the second downstream power converter, and at least one second AC terminal electrically connected with a second AC power source.

公开(公告)号：US12107419B2

公开(公告)日：2024-10-01

申请号：US17890685

申请日：2022-08-18

Applicant: General Electric Technology GmbH

Inventor： Pablo Briff ,  Carl Barker ,  Omar Jasim ,  Jose Augusto Monteiro

IPC: H02J3/01 ,  H02M1/12 ,  H02M7/483

CPC classification number: H02J3/01 ,  H02M1/12 ,  H02M7/4835

Abstract: There is provided a switching valve for a voltage source converter, the switching valve including a number of modules, each module including at least one switching element and at least one energy storage device, the or each switching element and the or each energy storage device in each module arranged to be combinable to selectively provide a voltage source, the switching valve including a controller programmed to selectively control the switching of the switching elements to select one or more of the modules to contribute a or a respective voltage to a switching valve voltage.