Skaperen
August 9th, 2019, 04:06 AM
for those of you living in counties with the the 3-wire dual voltage system that has 120 volts and 240 volts (or 208 volts when tapped off 3-phase or 127v/220v in Mexico) ... who connects their 100-240 volt capable computer power supplies to 240 volts?
advantages:
computer continues to run when there is a serious brownout (some can go to half voltage).
voltage is balanced so there is no 60 volt phantom voltage that can mess with digital voltage meter readings.
some power supplies are more efficient at higher voltage up to their max.
lower current on building wiring means more efficiency (why the power company uses 12000 volts and higher).
disadvantages:
requires wiring in a new circuit if one was not already there.
uses 2 slots in the breaker panel instead of the usual 1.
may not be allowed in some places (may not pass inspection if one was done).
UPSes are more expensive (need commercial/industrial grade versions).
fewer power strip and surge protection options (but some do exist).
advantages:
computer continues to run when there is a serious brownout (some can go to half voltage).
voltage is balanced so there is no 60 volt phantom voltage that can mess with digital voltage meter readings.
some power supplies are more efficient at higher voltage up to their max.
lower current on building wiring means more efficiency (why the power company uses 12000 volts and higher).
disadvantages:
requires wiring in a new circuit if one was not already there.
uses 2 slots in the breaker panel instead of the usual 1.
may not be allowed in some places (may not pass inspection if one was done).
UPSes are more expensive (need commercial/industrial grade versions).
fewer power strip and surge protection options (but some do exist).