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David Dahle

David Dahle

Posted: 16 Dec 2019

Taken: 23 Jul 2019

2 favorites     2 comments    161 visits

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41.6kV •
MDU •

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Montana-Dakota Utilities - Bismarck, ND

Montana-Dakota Utilities - Bismarck, ND
A primary-metered tie that replaced a substation in south Bismarck, since one of several normally open interconnections with Central Power is just east of the substation (the guy wires on left are for the 115kV line MDU just brought in to replace the 41.6kV side of the substation). The line going to the right dead-ends a short ways down and likely was originally erected to designate MDU's right to serve the area instead of Capital Electric.

austintaylor619, Power Lines have particularly liked this photo

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 Power Lines
Power Lines
Interesting replacement pole in the back with the new polymer insulators. I thought Otter Tail had moved to an armless style of construction for its 41.6 kV poles?

Oh, wait a minute, this is MDU. I mistook it for a minute!
4 years ago.
David Dahle has replied to Power Lines
There are some subtle differences between MDU's and OTP's 41.6kV delta poles, but the two main things are the crossbrace angle (steeper on MDU) and pole pin type (MDU likes the strap type, OTP uses the mini crossarm bracket).
4 years ago.

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