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Municipal
12.5kV
2400V delta


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Hecla, SD municipal

Hecla, SD municipal
The transformer bank is most likely the output of the replacement generator, which apparently then gets boosted to 12.5kV to serve the town when the generator is called up. Check out how they stuck a new cutout on the side of the pole instead of replacing the broken cutout on the arm! Only a muni.

Jesse Lor, Power Lines, Justin S have particularly liked this photo


6 comments - The latest ones
 Justin S
Justin S club
Hmm, it looks like the conduit goes into the power plant itself, yet the cutouts are open.
2 years ago.
David Dahle club has replied to Justin S club
I'll bet you that transformer bank handles the generator output!
2 years ago.
Justin S club has replied to David Dahle club
It's very possible. Did you happen to see the transformer bushings on the other side are 2400V type like a step down type or just the normal low voltage type? I see it goes in a weatherhead. I would think 480 or less but with a muni you never know!

Now I'm curious if that generator is 480 or 2400V...

It looks like a couple of weatherhead risers in the substation come from the power plant. The old switchgear is probably still in there.
2 years ago. Edited 2 years ago.
David Dahle club has replied to Justin S club
I've a couple different angles and there are plain secondary terminals, so 480.
I would bet the original unit put out 2400V tho'.

Here's a few older shots of the plant:
sddigitalarchives.contentdm.oclc.org/cdm/singleitem/collection/photos/id/21141/rec/26
sddigitalarchives.contentdm.oclc.org/cdm/singleitem/collection/photos/id/21143/rec/28
sddigitalarchives.contentdm.oclc.org/cdm/singleitem/collection/photos/id/21144/rec/29
2 years ago.
 Power Lines
Power Lines club
I love this scene.
2 years ago.
Justin S club has replied to Power Lines club
I do too.
2 years ago.

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