公开(公告)号：US20220149617A1

公开(公告)日：2022-05-12

申请号：US17433954

申请日：2019-03-27

Applicant: ABB Schweiz AG

Inventor： Chunming Yuan ,  Xiaobo Yang ,  Xing Huang

IPC: H02J1/00

Abstract: Embodiments of a modular direct current interconnection device (MDCID) include at least three operation branches, at least one transient branch, and a local controller. Each of the operation branches includes a first terminal coupled to a common node and configured to transmit DC current in a normal mode. The transient branch is coupled between second terminals of different ones of the at least three operation branches and configured to provide a transient DC current path in a fault clearance mode. The local controller is coupled to the operation branches and the transient branch and the local controller is configured to control operation of the operation branches and the transient branch.

公开(公告)号：US20190173287A1

公开(公告)日：2019-06-06

申请号：US16258897

申请日：2019-01-28

Applicant: ABB Schweiz AG

Inventor： Junjie Ge ,  Xing Huang ,  Hailian Xie

IPC: H02J3/38 ,  H02J7/35 ,  H01L31/02 ,  G05F1/10

Abstract: A control system and photovoltaic system and micro-grid using the same and method thereof. The control system for controlling a photovoltaic converter includes: a first input, for receiving first signals indicating first sampling values of an input current of the photovoltaic converter provided by a solar panel; a second input, for receiving second signals indicating second sampling values of an input voltage of the photovoltaic converter provided by the solar panel; a third input, for receiving third signals indicating third sampling values of an output voltage of the photovoltaic converter; and a controller, for first regulating the output voltage of the photovoltaic converter in a direction towards a reference voltage based on the third sampling value by regulating the input voltage by first voltage change of a first predetermined level; wherein: the controller is further adapted for monitoring a trend of the input voltage and power provided by the solar panel based on the first sampling values and the second sampling values for the previous sampling time points and the current sampling time point, and suspending the first regulation in case that the trend changes. This allows for an improvement of transient response of the control system and preventing possible overshooting of a lower input voltage even when the solar panel operating point is relatively far away from the MPP.

公开(公告)号：US10156225B2

公开(公告)日：2018-12-18

申请号：US15360108

申请日：2016-11-23

Applicant: ABB Schweiz AG

Inventor： Xing Huang ,  Yao Chen

IPC: F03D9/25 ,  F03D9/11 ,  H02J3/38 ,  F03D7/02 ,  F03D17/00 ,  F03D7/04 ,  G05B15/02 ,  H02J11/00

Abstract: A method for black starting a wind turbine and a wind farm following islanding operation, a method for restoring the wind farm following the islanding operation, and the wind turbine and wind farm. The wind turbine comprises auxiliary equipment, a generator, a converter electrically connectable to the generator, and an energy storage system, the generator is electrically connectable to the auxiliary equipment via the converter, the energy storage system is electrically connectable to the auxiliary equipment. The method for black staring the wind turbine including: measuring wind blowing smoothness degree; selecting a first power source to supply first power to the auxiliary equipment in V/f control mode and selecting a second power source to adjust an amount of active power and reactive power fed to the auxiliary equipment by the first power source in consideration of the amount of active power and reactive power demand suitable for powering the auxiliary equipment; and connecting the power sources to the auxiliary equipment.

公开(公告)号：US20170284369A1

公开(公告)日：2017-10-05

申请号：US15631768

申请日：2017-06-23

Applicant: ABB Schweiz AG

Inventor： Yao Chen ,  Xing Huang

IPC: F03D9/25 ,  F03D7/02

CPC classification number: F03D9/257 ,  F03D7/0264 ,  F03D7/0272 ,  F03D7/0284 ,  F03D7/042 ,  F05B2270/107 ,  H02J3/386 ,  H02J11/00 ,  H02J2003/388 ,  H02S10/10 ,  Y02E10/725 ,  Y02E10/763

Abstract: A method and a control system using the same for coordinating control of a plurality of wind turbines of a wind farm during a fault in a utility grid to which power is to be delivered via at least one cable of the wind farm. The method includes: opening each of the electrical connections; selecting at least one wind turbine of the plurality of wind turbines according to a criteria where a sum of value for active power supply that is available from the selected at least one generator is equal or above a sum of values for active power consumption that is consumable by the energy storage system of the selected at least one wind turbine, the auxiliary equipment of the selected at least one wind turbine and the substation level auxiliary equipment; activating the selected wind turbine; for the selected wind turbine: electrically connecting the power input of its converter to the power output of its generator, electrically connecting the power output of its converter to the power input of its auxiliary equipment, the power input of its energy storage system and the corresponding cable, and electrically connecting the power input of a substation level auxiliary equipment to the cable which is electrically connected to the selected wind turbine; the activated wind turbine acting as active power supply for the substation level auxiliary equipment. The method and the control system using the same provide an effective and economic way of using the power generated by the wind turbine generator for powering the auxiliary equipment of the wind turbine, charging the energy storage system of the wind turbine and powering the substation level auxiliary equipment, during the wind farm operates in an islanding mode.

公开(公告)号：US20220407407A1

公开(公告)日：2022-12-22

申请号：US17753860

申请日：2020-02-28

Applicant: ABB Schweiz AG

Inventor： Xing Huang ,  Hailian Xie ,  Guangming Pei ,  Hua Wei ,  Min Li

IPC: H02M1/12 ,  H02M1/42 ,  H02J3/01 ,  H02M7/49

Abstract: Embodiments of present disclosure relate to an apparatus and a method for controlling a delta-connected cascaded multilevel converter. The apparatus (100) for controlling a delta-connected cascaded multilevel converter (110) comprises: a converter controller (102) configured to: receive current signals indicating phase currents flowing through respective phase arms of the converter (110); determine a harmonic current signal indicating a circulating current of the converter (110) from the current signals; and generate, based on the determined harmonic current signal and a reference current signal, a harmonic voltage signal to cause an amplitude of the circulating current flowing through the phase arms of the converter (110) to be a predetermined amplitude.

公开(公告)号：US20170074244A1

公开(公告)日：2017-03-16

申请号：US15360108

申请日：2016-11-23

Applicant: ABB Schweiz AG

Inventor： Xing Huang ,  Yao Chen

IPC: F03D7/02 ,  G05B15/02 ,  F03D17/00 ,  F03D9/00 ,  F03D7/04

CPC classification number: F03D9/25 ,  F03D7/026 ,  F03D7/048 ,  F03D9/257 ,  F05B2220/706 ,  F05B2270/107 ,  F05B2270/32 ,  G05B15/02 ,  H02J3/386 ,  H02J11/00 ,  Y02E10/723 ,  Y02E10/725 ,  Y02E10/763

Abstract: A method for black starting a wind turbine and a wind farm following islanding operation, a method for restoring the wind farm following the islanding operation, and the wind turbine and wind farm. The wind turbine comprises auxiliary equipment, a generator, a converter electrically connectable to the generator, and an energy storage system, the generator is electrically connectable to the auxiliary equipment via the converter, the energy storage system is electrically connectable to the auxiliary equipment. The method for black staring the wind turbine including: measuring wind blowing smoothness degree; selecting a first power source to supply first power to the auxiliary equipment in V/f control mode and selecting a second power source to adjust an amount of active power and reactive power fed to the auxiliary equipment by the first power source in consideration of the amount of active power and reactive power demand suitable for powering the auxiliary equipment; and connecting the power sources to the auxiliary equipment.

Abstract translation: 一种用于在孤岛作战之后启动风力涡轮机和风力发电场的方法，在孤岛作战之后恢复风力发电场的方法以及风力涡轮机和风力发电场。 风力涡轮机包括辅助设备，发电机，可连接到发电机的转换器和能量存储系统，发电机经由转换器电连接到辅助设备，能量存储系统可电连接到辅助设备。 风力发电机黑盯的方法，包括：测风吹平滑度; 选择第一电源以V / f控制模式向辅助设备提供第一电力，并且选择第二电源以考虑第一电源的量来调整由第一电源馈送到辅助设备的有功功率和无功功率量 有功功率和无功功率需求适用于辅助设备供电; 并将电源连接到辅助设备。

公开(公告)号：US11863082B2

公开(公告)日：2024-01-02

申请号：US17427807

申请日：2019-05-06

Applicant: ABB SCHWEIZ AG

Inventor： Xiaobo Yang ,  Kai Liu ,  Chunming Yuan ,  Hailian Xie ,  Xing Huang

IPC: H02M5/40 ,  H02M5/458 ,  H02M1/32 ,  G01R31/08 ,  H02H3/44 ,  H02M1/084

CPC classification number: H02M5/4585 ,  G01R31/08 ,  H02H3/44 ,  H02M1/325 ,  H02M1/084

Abstract: A power converter includes a power conversion circuit having a first terminal set and a second terminal set, configured to convert power input via one of the first terminal set and the second terminal set and output the converted power via the other of the first terminal set and the second terminal set; a measurement unit; a controller configured to control the power conversion circuit to generate a voltage/current waveform travelling along the first network with a power supplied by a second power source linked to the second terminal set of the power conversion circuit in response to a condition that a change rate of the measurement of the voltage/current exceeds a threshold; and locate a fault on the first network. The power conversion circuit can be re-used for different modes of operation either for power transmission under normal condition or for fault location under fault condition.

公开(公告)号：US20220123662A1

公开(公告)日：2022-04-21

申请号：US17427807

申请日：2019-05-06

Applicant: ABB SCHWEIZ AG

Inventor： Xiaobo Yang ,  Kai Liu ,  Chunming Yuan ,  Hailian Xie ,  Xing Huang

IPC: H02M5/458 ,  H02M1/32

Abstract: A power converter includes a power conversion circuit having a first terminal set and a second terminal set, configured to convert power input via one of the first terminal set and the second terminal set and output the converted power via the other of the first terminal set and the second terminal set; a measurement unit; a controller configured to control the power conversion circuit to generate a voltage/current waveform travelling along the first network with a power supplied by a second power source linked to the second terminal set of the power conversion circuit in response to a condition that a change rate of the measurement of the voltage/current exceeds a threshold; and locate a fault on the first network. The power conversion circuit can be re-used for different modes of operation either for power transmission under normal condition or for fault location under fault condition.

公开(公告)号：US12113456B2

公开(公告)日：2024-10-08

申请号：US17753860

申请日：2020-02-28

Applicant: ABB Schweiz AG

Inventor： Xing Huang ,  Hailian Xie ,  Guangming Pei ,  Hua Wei ,  Min Li

IPC: H02M7/49 ,  H02J3/01 ,  H02M1/12 ,  H02M1/15 ,  H02M1/00 ,  H02M5/458

CPC classification number: H02M7/49 ,  H02M1/12 ,  H02M1/15 ,  H02J3/01 ,  H02M1/0025 ,  H02M5/458

Abstract: Embodiments of present disclosure relate to an apparatus and a method for controlling a delta-connected cascaded multilevel converter. The apparatus (100) for controlling a delta-connected cascaded multilevel converter (110) comprises: a converter controller (102) configured to: receive current signals indicating phase currents flowing through respective phase arms of the converter (110); determine a harmonic current signal indicating a circulating current of the converter (110) from the current signals; and generate, based on the determined harmonic current signal and a reference current signal, a harmonic voltage signal to cause an amplitude of the circulating current flowing through the phase arms of the converter (110) to be a predetermined amplitude.

公开(公告)号：US11876367B2

公开(公告)日：2024-01-16

申请号：US17433954

申请日：2019-03-27

Applicant: ABB Schweiz AG

Inventor： Chunming Yuan ,  Xiaobo Yang ,  Xing Huang

IPC: H02J1/00

CPC classification number: H02J1/00

Abstract: Embodiments of a modular direct current interconnection device (MDCID) include at least three operation branches, at least one transient branch, and a local controller. Each of the operation branches includes a first terminal coupled to a common node and configured to transmit DC current in a normal mode. The transient branch is coupled between second terminals of different ones of the at least three operation branches and configured to provide a transient DC current path in a fault clearance mode. The local controller is coupled to the operation branches and the transient branch, and the local controller is configured to control operation of the operation branches and the transient branch.