#ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID

DC ENERGY-CONSUMING APPARATUS AND CONTROL METHOD, APPARATUS THEREOF AND STORAGE MEDIUM

A direct-current energy-consuming apparatus, a method and a device for controlling a direct-current energy-consuming apparatus, and a storage medium are provided. The direct-current energy-consuming a…

DRIVE·Jun 11·1 min read

H02H9/042 ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID

PARAMETER DESIGN METHOD FOR SERIES PASSIVE IMPEDANCE ADAPTER APPLICABLE TO VOLTAGE SOURCE CONVERTER BASED HIGH VOLTAGE DIRECT CURRENT (VSC-HVDC) TRANSMISSION SYSTEM

The present disclosure provides a parameter design method for a series passive impedance adapter applicable to a VSC-HVDC transmission system, to resolve the technical problem that high-frequency reso…

DRIVE·Jun 20·2 min read

H02J3/34 ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID

CONTROL METHOD AND APPARATUS FOR HIGH-VOLTAGE, DIRECT CURRENT FIRST COMMUTATION FAILURE IN ALTERNATING-CURRENT FAULT

A method, an apparatus and a device for suppressing a first HVDC commutation failure under an AC system fault are provided. The method includes: obtaining a three-phase voltage of a converter bus, and…

DRIVE·May 16·1 min read

H02J3/36 ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID

METHOD FOR DETECTING ABNORMAL DIRECT CURRENT VOLTAGE MEASUREMENT IN HIGH VOLTAGE FLEXIBLE DIRECT CURRENT TRANSMISSION SYSTEM

A method for detecting abnormal direct current voltage measurement in a modular multilevel converter high voltage direct current transmission system is provided. In the method, a valve group voltage a…

DRIVE·Mar 21·1 min read

H02H7/268 ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID

VOLTAGE SOURCE CONVERTER BASED HIGH VOLTAGE DIRECT CURRENT (VSC-HVDC) HIGH-FREQUENCY RESONANCE SUPPRESSION METHOD, SYSTEM, AND DEVICE

Disclosed are a voltage source converter based high voltage direct current (VSC-HVDC) high-frequency resonance suppression method, system, and device. The method includes: when an effective value of a…

DRIVE·Jun 15·2 min read

H02J3/241 ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRID