Paper Information

Title: 

VOLTAGE & POWER STABILITY ANALYSIS OF MULTIINFEED HVDC SYSTEMS

Type: PAPER
Author(s): MIRSEPASSI MOHAMMAD REZA,SHOULAIE ABBAS
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

WHEREAS, CONNECTING DIFFERENT HVDC SYSTEMS TO EACH OTHER CAUSES MORE COMPLICATED POWER SYSTEM THAT STUDY AND ANALYSIS OF VOLTAGE AND POWER STABILITY ACCORDING TO THE COMMON METHODS FOR SINGLE-INFEED HVDC SYSTEMS HAVE BASIC DIFFERENCE WITH ANALYSIS THEM ; IN THIS PAPER, BASED ON MODAL ANALYSIS OF REDUCED POWER FLOW JACOBIAN MATRIX (QV), A QUASI-STATIC METHOD IN ORDER TO EVALUATION MARGINS AND LIMITS OF VOLTAGE STABILITY OF MULTI-INFEED HVDC SYSTEMS HAS BEEN PRESENTED AND IT’S LOCAL INDICE HAS ALSO BEEN PRESENTED. MEANWHILE, BASED ON MAXIMUM AVAILABLE POWER CONCEPT (MAP) AND BY MEANS OF REDUCED POWER FLOW JACOBIAN MATRIX (PI), TWO DIFFERENT METHODS NAMED, MODAL AND STANDARD (MMPC & SMPC) THAT MODAL METHOD IS AKIN TO MODAL VOLTAGE STABILITY FACTOR METHOD (MVSF), FOR EVALUATING AND STUDY OF POWER STABILITY AT DC LINKS HAS BEEN PRESENTED. IN THIS METHODS, QUASI-STATIC ASSUMPTIONS HAVE BEEN USED AND COMPLEX DYNAMICS OF HVDC SYSTEM HAVE BEEN IGNORED. ALSO, ALL USED METHODS WITH HELP OF (AC/DC) POWER-FLOW PROGRAM, AND NUMERICAL CALCULATIONS PROGRAMS (MATLAB) FOR A DUAL- CONVERTER SYSTEM HAVE BEEN IMPLEMENTED AND LIMITS & MARGINS OF STABILITY (VOLTAGE AND POWER STABILITY CHARACTERISTICS) HAVE BEEN SHOWN AND DISCUSSED. EVENTUALLY, PSCADEMTDC SIMULATOR FOR THE PURPOSE OF CONFIRMATION OF THE THEORETICAL RESULTS HAVE BEEN USED AND SIMULATION RESULTS HAVE BEEN SHOWN.

 
Keyword(s): VOLTAGE & POWER STABILITY, MULTI-INFEED HVDC SYSTEM, REDUCED POWER FLOW JACOBIAN MATRIX, MODAL & STANDARD MAXIMUM POWER CURVE (MMPC & SMPC), MODAL & LOCAL VOLTAGE STABILITY FACTORS, MODAL ANALYSIS, MINIMUM EIGEN VALUE
 
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