#HYOSUNG HEAVY INDUSTRIES CORPORATION

APPARATUS AND METHOD FOR SYNCHRONIZING VBE CLOCK IN HVDC SYSTEM

The present invention relates to an apparatus and a method for synchronizing a clock of VBE in a HVDC system capable of increasing reliability by synchronizing the clock of the VBE in the HVDC system …

DRIVE·Nov 10·1 min read

G06F1/12 HYOSUNG HEAVY INDUSTRIES CORPORATION

OUTPUT DISTRIBUTION METHOD OF POWER SUPPLY SYSTEM

An output distribution method of a power supply system includes: if a required output power of a power supply system exceeds a reference value, assigning the required output power equally to all PCSs;…

DRIVE·Jul 28·1 min read

H02J3/144 HYOSUNG HEAVY INDUSTRIES CORPORATION

GRID VOLTAGE PHASE DETECTOR

A grid voltage phase detector includes: a d-q transformation unit for receiving a three-phase signal and producing a signal on d axis and a signal on q axis; a phase signal producing unit for producin…

DRIVE·Jul 7·2 min read

G01R25/00 HYOSUNG HEAVY INDUSTRIES CORPORATION

SUBMODULES OF MMC CONVERTER

Proposed is a submodule of an MMC converter configured to stably supply power to a submodule controller controlling the submodule of an MMC converter. The submodule includes: an energy storage part st…

DRIVE·Mar 24·1 min read

H02M7/4835 HYOSUNG HEAVY INDUSTRIES CORPORATION

MODULAR MULTILEVEL CONVERTER AND SUB-MODULE THEREOF

An MMC converter linked to a HVDC system and a sub-module constituting the MMC converter are proposed. The sub-module includes: first and second power semiconductor switches connected in series in the…

DRIVE·May 20·1 min read

H02M7/483 HYOSUNG HEAVY INDUSTRIES CORPORATION

SWITCHING CONTROL METHOD FOR ISOLATED BIDIRECTIONAL DC-DC CONVERTER

Provided is a switching control method for an isolated bidirectional DC-DC converter, wherein the isolated bidirectional DC-DC converter connected between a DC grid system and a battery uses multiple …

DRIVE·Apr 29·1 min read

H02M3/33584 HYOSUNG HEAVY INDUSTRIES CORPORATION

SYSTEM FOR SEAMLESS POWER CONVERSION IN DC POWER DISTRIBUTION

Provided is a system for seamless power conversion in DC power distribution, the system including power conversion devices connected in parallel, and performing conversion from a AC voltage to a DC vo…

DRIVE·Mar 18·2 min read

H02M7/23 HYOSUNG HEAVY INDUSTRIES CORPORATION