Plug packs: Difference between revisions
Jump to navigation
Jump to search
Tonyforster (talk | contribs) No edit summary |
Tonyforster (talk | contribs) No edit summary |
||
Line 12: | Line 12: | ||
White wallwart Bestek NA0241WAA, XO1.5 running 93% charge 240V input |
White wallwart Bestek NA0241WAA, XO1.5 running 93% charge 240V input |
||
The load is well balanced with respect to leading/lagging power factor, showing only a slight leading or capacitive power factor. The waveform is very rich in harmonics. This could lead to overheating in transformers and generators due to eddy currents. |
Revision as of 07:57, 4 December 2010
Charger input waveforms, 0.2A/square, screen edges and centre are the input voltage zero crossings
Green wallwart AD5953 ALF, XO1.5 running 93% charge 240V input
Green wallwart Delta ADP17FBA, XO1.5 running 93% charge 240V input
White wallwart Bestek NA0241WAA, XO1.5 running 93% charge 240V input
The load is well balanced with respect to leading/lagging power factor, showing only a slight leading or capacitive power factor. The waveform is very rich in harmonics. This could lead to overheating in transformers and generators due to eddy currents.