Ramadan, H., Petit, M., Siguerdidjane, H., Kaczmarek, R. (2010). Nonlinear Control based Sliding Modes for HVDC Light System Behavioral Enhancement under Parameters Uncertainties. test, 7(7th International Conference on Electrical Engineering ICEENG 2010), 1-21. doi: 10.21608/iceeng.2010.33290
H. S. Ramadan; M. Petit; H. Siguerdidjane; R. Kaczmarek. "Nonlinear Control based Sliding Modes for HVDC Light System Behavioral Enhancement under Parameters Uncertainties". test, 7, 7th International Conference on Electrical Engineering ICEENG 2010, 2010, 1-21. doi: 10.21608/iceeng.2010.33290
Ramadan, H., Petit, M., Siguerdidjane, H., Kaczmarek, R. (2010). 'Nonlinear Control based Sliding Modes for HVDC Light System Behavioral Enhancement under Parameters Uncertainties', test, 7(7th International Conference on Electrical Engineering ICEENG 2010), pp. 1-21. doi: 10.21608/iceeng.2010.33290
Ramadan, H., Petit, M., Siguerdidjane, H., Kaczmarek, R. Nonlinear Control based Sliding Modes for HVDC Light System Behavioral Enhancement under Parameters Uncertainties. test, 2010; 7(7th International Conference on Electrical Engineering ICEENG 2010): 1-21. doi: 10.21608/iceeng.2010.33290

Nonlinear Control based Sliding Modes for HVDC Light System Behavioral Enhancement under Parameters Uncertainties

The International Conference on Electrical Engineering
Article 118, Volume 7, 7th International Conference on Electrical Engineering ICEENG 2010, May 2010, Pages 1-21    PDF (642.85 K)
Document Type: Original Article
DOI: 10.21608/iceeng.2010.33290
Authors
H. S. Ramadan1; M. Petit2; H. Siguerdidjane2; R. Kaczmarek2
1Assistant Lecturer in Zagazig University, Zagazig, Egypt and a PhD student in Ecole Supérieure d’Electricité (SUPELEC), Gif sur Yvette, France.
2Ecole Supérieure d’Electricité (SUPELEC), Gif sur Yvette, France.
Abstract
Abstract:
Two different nonlinear control methodologies based robust Sliding Mode Control
(SMC) for HVDC LightTM transmission system’s possessing parameters uncertainties
are proposed. Appropriate feedback signals are formulated to control the active and
reactive powers towards their specified set point values and to govern the DC link
voltage to its desired value. The first controller maintains the active and reactive powers
to their anticipated rated values using their corresponding reference signals directly. The
other uses an additional auxiliary controller based proportional-integral (PI) controller
or the two degrees of freedom proportional-integral-derivative (2DOF-PID) controller to
govern the DC voltage and to generate the necessary direct and quadrature currents
reference signals that are inserted to the main controller based SMC in order to control
the corresponding powers. The controllers’ gains are adjusted using Lyapunov method
to guarantee zero tracking error in order to ensure the system’s stability. The feasibility
and effectivity of both control techniques are evaluated in terms of performance
enhancement and their robustness are compared under parameters uncertainties and
verified for different DC link lengths using MATLAB©.
Keywords
Lyapunov Functions; Parameters Uncertainties; Robustness; SMC; and VSC-HVDC
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