Title:
TRANSIENT STRESS SUPPRESSION METHOD AND APPARATUS FOR GRID FORMING TYPE CONVERTER
Document Type and Number:
WIPO Patent Application WO/2024/046187
Kind Code:
A1
Abstract:
A transient stress suppression method and apparatus for a grid forming type converter. The method comprises: on the basis of a direct-current voltage deviation and an alternating-current voltage deviation of a grid forming type converter, respectively generating a phase instruction and a voltage amplitude instruction; and, on the basis of the phase instruction and the amplitude instruction, generating a sine pulse width modulation signal used for controlling the grid forming type converter. The technical solution can ensure system stability of grid forming type converters, and can effectively cope with the problems of direct-current voltage limit exceeding and system instantaneous over-currents possibly occurring during transient response processes.
Inventors:
YANG JIE (CN)
WANG SICHAO (CN)
YANG YUEXI (CN)
LI CHUNPENG (CN)
HAN CONGDA (CN)
ZHANG HANBIN (CN)
HUANG JUNWEI (CN)
LIN GUODONG (CN)
WANG SICHAO (CN)
YANG YUEXI (CN)
LI CHUNPENG (CN)
HAN CONGDA (CN)
ZHANG HANBIN (CN)
HUANG JUNWEI (CN)
LIN GUODONG (CN)
Application Number:
PCT/CN2023/114496
Publication Date:
March 07, 2024
Filing Date:
August 23, 2023
Export Citation:
Assignee:
STATE GRID SMART GRID RES INSTITUTE CO LTD (CN)
STATE GRID FUJIAN ELECTRIC POWER RES INSTITUTE (CN)
STATE GRID CORP CHINA (CN)
STATE GRID FUJIAN ELECTRIC POWER RES INSTITUTE (CN)
STATE GRID CORP CHINA (CN)
International Classes:
H02J3/36; H02J3/38
Foreign References:
| CN115549167A | 2022-12-30 | |||
| CN114884105A | 2022-08-09 | |||
| CN113962181A | 2022-01-21 | |||
| CN114614494A | 2022-06-10 | |||
| JPH09149646A | 1997-06-06 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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