HVDC Crossover North-Dakota
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Crossing of HVDC transmission lines CU and Square Butte situated at 47d 2m 48s N, 100d 5m 49 s W, about 17.5 km south-east of Wing, North Dakota. Picture taken facing to the West in a mosquito-filled cow pasture June 2, 2010. Thanks to my very patient wife for spending the day driving out to the middle of nowhere for me to photograph this. Square Butte uses +/- 250 kV DC and single conductors per pole and is the line of towers on the left in this picture. CU uses +/- 400 kV, two conductors per pole and is the line of towers on the right.
As far as known, this is the only crossing point of two HVDC overhead powerlines in North America.
As far as known, this is the only crossing point of two HVDC overhead powerlines in North America.
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