Hybrid LCC/VSC HVDC systems

Technical Brochure 950 addresses an emerging HVDC system that combines both Line Commutated Converter (LCC) technology and Voltage Sourced Converter (VSC) technology into one HVDC system named as Hybrid LCC/VSC HVDC system. This Brochure starts with an overview of HVDC technologies including the background of HVDC systems and a summary of each HVDC technology to highlight why hybrid HVDC system is proposed and developed. The definition of hybrid HVDC system is introduced together with its configuration, benefits, challenges and some application cases. The focus of the technical brochure is on hybrid systems with point-to-point configuration including the details of specific system design considerations and main equipment.