Hi this is Min and i am writing this posting for letting you know about differences between HVDC VSC system and CSC system. HVDC VSC (Voltage Source Converter) and HVDC CSC (Current Source Converter) are two different types of high-voltage direct current (HVDC) transmission technologies. They differ in a number of ways, including: Feature HVDC VSC HVDC CSC Device type Self-commutated Line-commut..