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公开(公告)号：US11784493B2
公开(公告)日：2023-10-10
申请号：US17485033
申请日：2021-09-24
Applicant: Sungrow Power Supply Co., Ltd.
Inventor： Tao Jiang , Nianan Pan , Chao Liu , Wei Sun , Xianli Zhang
CPC classification number: H02J3/381 , H02J3/48 , H02J2300/24 , H02J2300/28
Abstract: A method and a device for primary frequency modulation in new energy power generation are provided. An inverter performs a first power adjustment according to a p-f droop curve before receiving a power adjustment instruction sent by the power station controller, and performs a second power adjustment in response to the power adjustment instruction. Since the inverter performs the first power adjustment before responding to the power adjustment instruction sent by the power station controller, the response of the primary frequency modulation is speeded up, so that rapid control for the new energy generation power is achieved, thereby ensuring stable operation of a power grid for new energy power generation.
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公开(公告)号：US20220158453A1
公开(公告)日：2022-05-19
申请号：US17485033
申请日：2021-09-24
Applicant: Sungrow Power Supply Co., Ltd.
Inventor： Tao Jiang , Nianan Pan , Chao Liu , Wei Sun , Xianli Zhang
Abstract: A method and a device for primary frequency modulation in new energy power generation are provided. An inverter performs a first power adjustment according to a p-f droop curve before receiving a power adjustment instruction sent by the power station controller, and performs a second power adjustment in response to the power adjustment instruction. Since the inverter performs the first power adjustment before responding to the power adjustment instruction sent by the power station controller, the response of the primary frequency modulation is speeded up, so that rapid control for the new energy generation power is achieved, thereby ensuring stable operation of a power grid for new energy power generation.
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