Research Article

Nonlinear Control of Back-to-Back VSC-HVDC System via Command-Filter Backstepping

Table 2

The parameters of PID controller in BTB VSC-HVDC.

PID controller  (ms)   (ms)

DC-link voltage4020
Real power in VSC-1400201
Reactive power in VSC-1400201
Real power in VSC-210021
Reactive power in VSC-110021