#Hunan University

POWER SUPPLY QUALITY IMPROVEMENT-ORIENTED AND FAULT CONTROL-ORIENTED ECONOMICALLY-INTEGRATED MEDIUM-VOLTAGE GRID-CONNECTED DEVICE WITH SiC MODULE AND ADAPTIVE CONTROL METHOD THEREFOR

An adaptive control method for a fault control-oriented economically-integrated medium-voltage grid-connected device with a silicon carbide (SiC) module, includes: calculating a three-phase bridge arm…

DRIVE·Jul 10·2 min read

H02M7/487 Hunan University

METHOD AND DEVICE FOR MANUFACTURING LIQUID HYDROGEN BY OFFSHORE OFF-GRID SUPERCONDUCTING WIND TURBINE

Disclosed are a method and a device for manufacturing liquid hydrogen by offshore off-grid superconducting wind turbine. The method comprises the following steps: electrolyzing seawater to obtain hydr…

DRIVE·Oct 26·1 min read

F25J1/0278 Hunan University

METHOD FOR ELECTRICITY-RELATED SECURITY AWARENESS OF DISTRIBUTED POWER SUPPLY SYSTEMS CONSIDERING SPATIO-TEMPORAL DISTRIBUTION OF RAINSTORMS

A method for electricity-related security awareness of distributed power supply systems considering spatio-temporal distribution of rainstorms, including: establishing a multi-dimensional parallel par…

DRIVE·Jul 27·1 min read

G01R31/52 Hunan University

METHOD FOR FLEXIBLE COORDINATED OPERATION OF URBAN DISTRIBUTION NETWORK AND WATERSHED NETWORK

A method for flexible coordinated operation of an urban distribution network and a watershed network, including: constructing a watershed network dynamic operation model; constructing a river water st…

DRIVE·Jul 20·1 min read

H02J13/00002 Hunan University

HIGH-TEMPERATURE SUPERCONDUCTING SUSPENSION TYPE WIRELESS POWER TRANSMISSION DEVICE AND ASSEMBLY METHOD THEREOF

Disclosed are a high-temperature superconducting suspension type wireless power transmission device and an assembly method thereof. The device comprises an alternating current power supply, wherein th…

DRIVE·Jun 29·1 min read

H02J50/005 Hunan University

METHOD AND SYSTEM FOR EVALUATING INERTIA OF POWER SYSTEM AND STORAGE MEDIUM

A method and a system for evaluating inertia of a power system and a storage medium. The method includes: injecting a cosine active power disturbance into the power system by small-disturbance injecti…

DRIVE·Nov 17·1 min read

H02J3/241 Hunan University

METHOD AND DEVICE FOR ESTIMATING SPATIAL DISTRIBUTION OF INERTIA OF POWER SYSTEM BASED ON MULTI-INNOVATION IDENTIFICATION

A method and device for estimating spatial distribution of power system inertia based on multi-innovation identification. The method includes: (S1) acquiring time-series data including each node frequ…

DRIVE·Jun 23·2 min read

G01R21/133 Hunan University

COORDINATED CONTROL SYSTEM AND METHOD OF WIND TURBINE AND STATCOM FOR SUPPRESSING UNBALANCED VOLTAGE IN DISPERSED WIND FARM

The disclosure discloses a system and method for suppressing unbalanced voltage at the Point of Common Coupling (PCC) of dispersed wind farm. According to the disclosure, the wind farm comprising a ST…

DRIVE·Dec 23·2 min read

H02J3/381 Hunan University