Why 108 Volts for Watts Ratings?
The specs for various brand converters use 108 volts for their input ratings. If a converter is rated as having a max input draw of 15 amps at 108v, for 1620w, what would be its draw using a Honda ...
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This specs from Iota's website: DLS55
It looks like the nominal voltage is actually 120 volts +/- 10%. (120 - 12) = 108V & (120 + 12) = 132V
I would disregard the info. from that boating place and from bestconverter (looks old). What seems a bit odd on the Iota site is that they state the inrush current as single cycle plus for each model, the figures are awfully round numbers and the same for the DLS-15 to DLS-55. Maybe it's just due to the circuit design and the 4 models use the same one.
They list the max. input current as 13.4 amps @ 108 volts. Are they saying the current goes up as voltage goes down? I can see the logic in stating the max. input current at whatever the input voltage is, which would appear to be at a nominal 120 volts minus 10%. I wonder what the nameplate data would read? When the converter is energized, the gen. output voltage is going to dip, but by how much and would it vary from the listed max. input current of 13.4 amps?
If the max. inrush current truly is 30 amp for one cycle, I don't think that would be much of an issue for sizing a generator. Not sure why it's so much less than compared say to the PD4655 of 47 amps. Again, circuit design? Maybe it's technically better design than a PD unit?
Now I am getting a headache...
It looks like the nominal voltage is actually 120 volts +/- 10%. (120 - 12) = 108V & (120 + 12) = 132V
I would disregard the info. from that boating place and from bestconverter (looks old). What seems a bit odd on the Iota site is that they state the inrush current as single cycle plus for each model, the figures are awfully round numbers and the same for the DLS-15 to DLS-55. Maybe it's just due to the circuit design and the 4 models use the same one.
They list the max. input current as 13.4 amps @ 108 volts. Are they saying the current goes up as voltage goes down? I can see the logic in stating the max. input current at whatever the input voltage is, which would appear to be at a nominal 120 volts minus 10%. I wonder what the nameplate data would read? When the converter is energized, the gen. output voltage is going to dip, but by how much and would it vary from the listed max. input current of 13.4 amps?
If the max. inrush current truly is 30 amp for one cycle, I don't think that would be much of an issue for sizing a generator. Not sure why it's so much less than compared say to the PD4655 of 47 amps. Again, circuit design? Maybe it's technically better design than a PD unit?
Now I am getting a headache...
