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Paper Information

Title: 

OPTIMAL SIZING AND SITTING OF DISTRIBUTED GENERATION TO MAXIMIZE DISTRIBUTION SYSTEM LOAD ABILITY

Type: PAPER
Author(s): AMRAEE TOORAJ,MOZAFARI BABAK,RANJBAR A.M.,FOTUHI M.F.
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

DISTRIBUTED GENERATION (DG) IS EXPECTED TO PLAY AN IMPORTANT ROLE IN MEETING FUTURE POWER GENERATION NEEDS. DG USUALLY MEANS A SMALL ELECTRIC POWER PLANT CONSTRUCTED AT THE CUSTOMERS SITE OR END OF A DISTRIBUTION LINE. THE SIZE OF THESE PLANTS IS USUALLY FROM A FEW TENS OF KW TO 5-10 MW. ALTHOUGH DG HAVE A POTENTIAL TO ENHANCE SYSTEM PERFORMANCE BUT IMPROPER DG LOCATING AND SIZING MAY HAVE NEGATIVE EFFECTS ON DISTRIBUTION NETWORK. USUALLY DG’S OWNERSHIP IS DEVOTED TO CUSTOMERS. SO MOST OF UTILITIES DON’T PAY ENOUGH ATTENTION TO THE SIZE AND LOCATION OF DG IN THEIR NETWORK. IN THIS PAPER WE INVESTIGATE DIFFERENT ASPECTS OF DG CONNECTION TO DISTRIBUTION NETWORK THEN SHOW THAT HOW DG CAN INCREASE LOADABILITY MARGIN (OR LOAD LEVEL OF BRANCHES) OF A NETWORK. THIS PURPOSE IS INTEGRATED USING AN OPTIMAL POWER FLOW FORMULATION. OUR MAIN PURPOSE IN THIS PAPER IS HOW TO ORGANIZE BOTH DG RATING AND ITS LOCATION IN DISTRIBUTION NETWORK SOMEHOW THE MAXIMUM RELIEF IS ACHIEVED. DECISION-MAKING VARIABLES IN THIS OPF BASED APPROACH ARE CONSIDERED TO BE SIZE AND LOCATION OF DG UNITS. THIS OPF PROBLEM IS SOLVED USING A HEURISTIC METHOD ENTITLED BY GENETIC ALGORITHM. THE SIMULATION RESULTS SHOW THAT THE PROPOSED MODEL CAN IMPROVE LOADABILITY OF EVERY SECTION SIGNIFICANTLY. THIS IMPLIES THAT UTILITIES CAN DEFER THE CONSTRUCTION OF NEW FEEDERS OR SUBSTATIONS IN RESPONSE TO LOAD GROWTH.

 
Keyword(s): DISTRIBUTED GENERATION, OPTIMAL LOCATING, GENETIC ALGORITHM, RELIEF
 
 
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