Discrete-Time Nonlinear Control of VSC-HVDC System

Table 1

The system parameters of three-level VSC-HVDC.

Parameters	Value
AC voltages ,	230 kv
	rad/s
Transformer ratio	230 kv/100 kv
	0.325 Ω
	0.072 H
Rated voltage in DC side	±100 kv
	70 F
Unit resistance of DC line	Ω/km
DC line length	km
Switching frequency	1350 HZ