When do I need a pure sine wave UPS?

Become or hire the top 3% of the developers on Toptal https://topt.al/25cXVn

--

Music by Eric Matyas
https://www.soundimage.org
Track title: Popsicle Puzzles

--

Chapters
00:00 Question
00:46 Accepted answer (Score 145)
13:52 Answer 2 (Score 36)
16:40 Answer 3 (Score 18)
17:41 Answer 4 (Score 14)
18:31 Thank you

--

Full question
https://superuser.com/questions/912679/w...

Accepted answer links:
[analog audio power amplifier]: http://en.wikipedia.org/wiki/Audio_power...
[line hum]: http://en.wikipedia.org/wiki/Mains_hum
[corded electric drill]: http://en.wikipedia.org/wiki/Drill#Pisto...
[CPAP machine]: https://en.wikipedia.org/wiki/Continuous...
[RMS power]: http://en.wikipedia.org/wiki/Root_mean_s...
[switched-mode power supply]: http://en.wikipedia.org/wiki/Switched-mo...
[linear regulator]: http://en.wikipedia.org/wiki/Linear_regu...
[rectified]: http://en.wikipedia.org/wiki/Rectifier#S...
[filtered]: https://en.wikipedia.org/wiki/Electronic...
[ripple]: https://en.wikipedia.org/wiki/Ripple_(el...)
[fixer1234 added images to his answer]: https://superuser.com/a/912749/14927
[oscillograms]: http://en.wikipedia.org/wiki/Oscilloscop...
[for Science!]: http://tvtropes.org/pmwiki/pmwiki.php/Ma...
[spectrum plot]: https://www.tek.com/support/faqs/what-ff...
[60 Hz]: https://en.wikipedia.org/wiki/Utility_fr...
[fundamental]: https://en.wikipedia.org/wiki/Fundamenta...
[harmonic peaks]: http://en.wikipedia.org/wiki/Harmonic
[Arduino]: http://en.wikipedia.org/wiki/Arduino
[negative feedback]: http://en.wikipedia.org/wiki/Negative_fe...
[ground loop]: http://en.wikipedia.org/wiki/Ground_loop...)
[P=VI]: https://en.wikipedia.org/wiki/Electric_p...
[power inlet filtering]: http://www.qualtekusa.com/products-emi-f...
[EMC]: https://en.wikipedia.org/wiki/Electromag...
[Decibels]: https://en.wikipedia.org/wiki/Decibels
[logarithmic scale]: http://en.wikipedia.org/wiki/Logarithmic...
[every 6 dB of difference]: http://learnemc.com/working-with-decibel...

Answer 2 links:
[this post]: https://superuser.com/a/830242/364367
[data sheet]: http://www.cyberpowersystems.com/campaig...

Answer 3 links:
[might cause harm]: https://electronics.stackexchange.com/q/...
[fluorescent lights]: https://en.wikipedia.org/wiki/Fluorescen...
[this guy]: https://forums.tomshardware.com/threads/...

--

Content licensed under CC BY-SA
https://meta.stackexchange.com/help/lice...

--

Tags
#power #ups #energy

#avk47