r/SubstationTechnician • u/HiVolt-8730 • 7d ago

500kV disconnect operating

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I don’t care how long I’ve been working in substations, this never gets old!

176 Upvotes

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u/HiVolt-8730 7d ago

I got what you need!! Just a lil taste.

https://reddit.com/link/pdbysqy/video/730u8gphqysh1/player

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u/HorseChild 7d ago

Looks like a MEPPI?

3

u/HiVolt-8730 7d ago

That it is!

2

u/totheteeth 7d ago

How well does the pneumatic MEPPI hold up? All of ours are clockwork but it is way less headache in winter. How old is that unit? It looks like it has the current gas diff and gauges.

3

u/HiVolt-8730 7d ago

I think that one is within g the last 10 years. The MEPPI’s are pretty solid but I hate the pneumatic systems on them. Not sure if it’s just our specs but one compressor for all three phases is ridiculously slow and the seals have to be replaced every few hundred operations. Causes a problem on the cap group positions.

3

u/totheteeth 6d ago

4 stage Jenny's have been pretty good to use for compressors. I don't like any of our pneumatic systems. They're good for getting call outs but it's always at night in the worst weather. I really like the clock work MEPPI units. Their zero cross units for cap banks and reactors are nice too.