Paper Information

Title: 

DYNAMIC STABILITY OF A POWER GRID-CONNECTED PHOTOVOLTAIC ARRAY AND GRID INTERACTIVE AFFECTS

Type: PAPER
Author(s): HALVAI NIASAR A.,JADID SHAHRAM,MOGHBELI HASSAN
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

THIS PAPER PRESENTS DYNAMIC STABILITY ANALYSES OF A GRID- CONNECTED PHOTOVOLTAIC (PV) ARRAY SUBJECT TO RANDOM FLUCTUATIONS DUE TO A CLOUDY WEATHER. THE EIGENVALUE SCHEME IS EMPLOYED TO EXAMINE DYNAMIC PERFORMANCES OF THE STUDIED GRID-CONNECTED PV ARRAY. A DC-TO-DC BOOST CONVERTER TO INCREASE OUTPUT DC VOLTAGE AND A DC-TO-AC ONE-PHASE CONVERTER FOR CONNECTION TO POWER GRID HAVE BEEN USED. BASED OF DEVELOPED DYNAMIC EQUATIONS THE AFFECT OF GRID VOLTAGE ON TO DYNAMIC STABILITY OF PV SYSTEM HAS BEEN SIMULATED. SIMULATION RESULTS SHOW THAT THE INSTABILITY IN CASE OF GRID VOLTAGE VARIATIONS MUST BE CONSIDERED AND A SUITABLE STABILIZER SHOULD BE USED.

 
Keyword(s): PHOTOVOLTAIC SYSTEM, DYNAMIC STABILITY, LINEARIZATION, EIGENVALUE METHOD, TRANSIENT PERFORMANCE, STABILIZATION
 
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