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The current-carrying capacity of overhead lines is dependent on weather conditions. Overhead lines can safely carry more than their rated capacity during periods of low ambient temperature or high wind speeds due to cooling effects. Dynamic line rating involves quantifying this additional capacity in real time as local weather conditions change. Increases in line rating due to high wind speeds are...
This paper describes how dynamic line rating(DLR) is applied for load management and protection of a 132 kV double-circuit line between Skegness and Boston (North East of England) thereby enabling a larger penetration of wind generation. The rating of the line is calculated dynamically from local weather measurements to co-ordinate allowed generation automatically. As a back-up system, in case for...
This paper suggests the method that forecasts dynamic line rating (DLR). Thermal overload risk (TOR) of the next time is forecasted based on the present weather condition and DLR value by Monte Carlo simulation (MCS). To model weather elements of transmission line for MCS, this paper will propose the use of statistical weather models that time series law is applied Also, through the case study, it...
This paper suggests the method that forecasts Dynamic Line Rating (DLR). Thermal Overload Risk (TOR) of the next time is forecasted based on the present weather condition and DLR value by Monte Carlo Simulation (MCS). To model weather elements of transmission line for MCS, this paper will propose the use of statistical weather models that time series law is applied. Also, through the case study, it...
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