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♫ "And when they turn the power on, it's sure to dim the lamps / At plus and minus 16 volts and fourteen hundred amps." -- Frank Hayes
by ahazred8ta 2y ago
♫ "And when they turn the power on, it's sure to dim the lamps / At plus and minus 16 volts and fourteen hundred amps." -- Frank Hayes
- Terr_ 2y agoSong audio: https://m.youtube.com/watch?v=bMS6G83NqFQ https://m.youtube.com/watch?v=bMS6G83NqFQ
- JJMcJ 2y agoTelephone central exchanges used to have enormous lead acid battery (like automobile batteries, the starter motor not the EV kind) arrays if they lost power. It was amazing to see the battery array discharge ammeter at 5000 amps when utility power went out.
- _joel 2y agosome ISP's still do (or did, last time I was in one), at least one I worked for a few years back. Had a room full of lead acid batteries on shelves and another with a big spinning wheel to smooth out the flow.