DC Technology

·New theory, topology of DC transmission and distribution;

·VSC HVDC technology;

·HVDC power grid, DC distribution system, AC/DC hybrid power grid;

·Multi-terminal LCC HVDC, VSC-LCC Hybrid HVDC;

·UHVDC technology;

·DC equipment Advances, including converter, transformer, DC circuit breaker, DCSST, overhead lines, subsea and underground cables, super conductivity lines, gas insulated lines;

·Control, protection and measuring for DC transmission and distribution.

Power Transmission and Distribution System

·Planning, modelling, computation, operation and maintenance of AC/DC transmission and distribution system;

·Electromagnetic transient, electromagnetic environment, lightning protection, grounding of AC/DC transmission and distribution;

·UHV AC technology and recent projects;

·FACTS technology and recent project.

New Technology

·Power semiconductors for AC/DC system;

·New materials for power transmission and distribution;

·AC/DC system for clean energy and energy storage, including offshore wind farm, solar power plant, nuclear power plant;

·Wireless power transmission;

·Novel technology of power transmission and distribution.