Title :
Adaptive sliding mode control of VSC-HVDC transmission links
Author_Institution :
Department of Electrical and Electronics Engineering, Institute for Technical Education and Research under Siksha O Anusandhan University
Abstract :
This paper presents a robust nonlinear controller for VSC-HVDC transmission link using nonlinear sliding mode control strategy. The sliding mode control offers invariant stability to modeling uncertainties due to converter parameter changes, changes in system frequency and exogenous inputs. Comprehensive computer simulations are carried out to verify the proposed control scheme under several system disturbances like changes in short-circuit ratio, converter parametric changes, and faults on the converter and inverter buses. Based upon the time domain simulations in MATLAB/SIMULINK environment, the proposed controller is tested.
Keywords :
HVDC power convertors; HVDC power transmission; adaptive control; nonlinear control systems; power system simulation; power transmission control; power transmission faults; robust control; short-circuit currents; time-domain analysis; uncertain systems; variable structure systems; MATLAB/SIMULINK; VSC HVDC transmission links; adaptive sliding mode control; computer simulations; converter bus fault; converter parameter changes; converter parametric changes; invariant stability; inverter bus fault; nonlinear sliding mode control; robust nonlinear controller; short-circuit ratio; system frequency changes; time domain simulation; uncertainty modeling; Inverters; Mathematical model; Power conversion; Reactive power; Rectifiers; Sliding mode control; DC cable; VSC-HVDC link; nonlinear sliding mode control;
Conference_Titel :
Energy, Automation, and Signal (ICEAS), 2011 International Conference on
Conference_Location :
Bhubaneswar, Odisha
Print_ISBN :
978-1-4673-0137-4
DOI :
10.1109/ICEAS.2011.6147160
