The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 32-106
Full Name: Kala Meah
Position: Assistant Professor
Age: ON
Sex: Male
Address: Electrical and Computer Engineering, York College of Pennsylvania, 441 Country Club Road, York, PA 17403
Country: UNITED STATES
Tel: 1-717-815-1238
Tel prefix:
Fax: 1-717-849-1660
E-mail address: kmeah@ycp.edu
Other E-mails: kala.meah@gmail.com
Title of the Paper: A Self-Coordinating Adaptive Control Scheme for HVDC Transmission Systems
Authors as they appear in the Paper: Kala Meah, A.H.M. Sadrul Ula
Email addresses of all the authors: kmeah@ycp.edu, kmsujon@uwyo.edu
Number of paper pages: 10
Abstract: The transients in a HVDC system can temporarily change line currents, voltages, and power substantially from the reference steady-state values and the behavior of the system depends greatly upon the parameters of the converter controller. The DC system performances are affected by the AC system characteristics such as the short circuit ratio, and the AC system inertia. A controller which has good performance for a particular operating condition may not have sufficiently good performance under another operating condition or vice-versa. Performance of the controller also depends on the impedance at the rectifier and the inverter bus, which may vary according to the operating conditions of the AC network. A controller with self-coordinating adaptive capability can perform better in various situations. The proposed controller is tested at a very low SCR, the most critical value for system performance evaluation, and at the low inertia of the AC system. Simulation resu!
lts are compared between proposed controller, fuzzy tuned controller, gain scheduling controller, and fixed parameter controller. All simulations are conducted using MATLAB/SIMULINK software package.
Keywords: Self-Coordinating, Adaptive Control, HVDC Transmission Systems, Weak AC Systems, Matlab Simulation.
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