An experimental evaluation of a thermal line uprating by conductor temperature and weather monitoring
- Rochester Gas and Electric, Rochester, NY (US)
- Power Technologies, Inc., Schenectady, NY (US)
Conductor temperature monitors were installed on a four mile long section of 115 kV transmission line and served as the basis for the dynamic thermal rating of the line during June and December of 1985. A method of detecting temperature monitor measuring errors is described and a correction method suggested to correct the thermal rating of the line. Of the four spans containing temperature monitors, no one span was consistently the hottest (i.e., the ''critical span'') but for each month, one span was hottest more than half the time. By accounting for variations in span orientation along the test line section, it was found that the weather data from a single weather station as far as 20 miles away could be used to predict the statistical distribution of thermal ratings for the test line. The dynamic thermal rating of the test line was above the line's static rating some 80% to 90% of the time being 15% to 30% higher, 50% of the time. The correlation of peak contingency loading and peak dynamic thermal rating is identified as a major factor in evaluating the use of dynamic rating methods in line uprating.
- OSTI ID:
- 6513165
- Journal Information:
- IEEE Trans. Power Del.; (United States), Vol. 3:4
- Country of Publication:
- United States
- Language:
- English
Similar Records
Critical span analysis of overhead conductors
Weather, hydroregime, and breeding effort influence juvenile recruitment of anurans: implications for climate change
Related Subjects
29 ENERGY PLANNING
POLICY AND ECONOMY
20 FOSSIL-FUELED POWER PLANTS
POWER TRANSMISSION LINES
LOAD MANAGEMENT
TEMPERATURE MEASUREMENT
CORRECTIONS
DYNAMIC LOADS
ELECTRIC CONDUCTORS
ERRORS
EXPERIMENTAL DATA
MONITORING
PEAK LOAD
TEMPERATURE EFFECTS
WEATHER
DATA
INFORMATION
MANAGEMENT
NUMERICAL DATA
200300* - Electric Power Engineering- Power Transmission & Distribution- (-1989)
296002 - Energy Planning & Policy- Electric Power Transmission & Distribution- (-1989)
200104 - Fossil-Fueled Power Plants- Components