Paper Information

Title: 

DE-ICING POWER TRANSMISSION AND SUB TRANSMISSION LINES OF WESTERN MOUNTAINOUS DISTRICTS OF IRAN, IMPLEMENTING INJECTION OF HIGH FREQUENCY CURRENT

Type: PAPER
Author(s): ASADI M.,ESMAEILI P.,KHAZAEE P.,FARZALIZADEH S.
 
 
 
Name of Seminar: INTERNATIONAL POWER SYSTEM CONFRENCE
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVANIR
Date:  2004Volume 19
 
 
Abstract: 

THIS PAPER PRESENTS A METHOD AND EXPERIENCE OF ICE SHEDDING FROM CONDUCTORS OF 63 KV OVERHEAD LINES ON THE SUPPLY TERRITORY OF THE GHARB POWER UTILITY (ONE OF THE POWER UTILITIES OF IRAN). THIS DE-ICING TECHNIQUE IS APPLICABLE FOR HOT LINE CONDUCTORS AND MAY BE CARRIED OUT BY EXCITING OF A TRANSMISSION LINES BY INJECTION OF HIGH FREQUENCY POWER (OR CURRENT) THROUGH A POWER INVERTER AND COUPLING CIRCUIT WITH APPLYING JOULE AND DIELECTRIC LOSSES. CURRENTLY POWER NETWORKS OF KURDISTAN PROVINCE HAVE INCONVENIENCES WITH SUBSEQUENT ENTANGLEMENTS OF ICE ACCRETION ON OVERHEAD POWER LINES. PROPOSED COUNTERMEASURE MAY BE EMPLOYED AS A REMEDY FOR THIS PROBLEM. IN THIS PAPER, APPROPRIATE VALUES FOR VOLTAGE, FREQUENCY AND POWER OF THE INVERTER THAT IS TO BE USED FOR DE-ICING OF TRANSMISSION LINES ARE DESIGNATED PRECISELY. THE PAPER GIVES RESULTS OF CALCULATIONS, WHICH CONFIRM THE EFFICIENCY OF THIS METHOD.

 
Keyword(s): DE-ICING, STANDING WAVES, DIELECTRIC LOSSES, JOULE LOSSES
 
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