Greetings all,
If I have a power transformer that states the secondary as 440vac @ 150va, is that telling me I can draw 340ma?
Thanks,
Ray
Yes, but I'd look real close at that 150"v"a to see if it isn't actually 150"m"a.
It may also be the input VA rating of the transformer so figure 90% of that for safety sue to core losses, IR loss, etc.
Capacitive input filter will get you near 622V with SS rectification. So figure 217mA max.
Inductor input filter will give lower voltage at higher current.
Capacitive input filter will get you near 622V with SS rectification. So figure 217mA max.
Inductor input filter will give lower voltage at higher current.
Tom,
Do you think occasional peaks of 500ma DC could be had? I realize that running perhaps 250-300ma steady state current creates heat, but I'm guessing the worse that will happen with peaks of 500ma will be reduced voltage. The transformer will be feeding a bridge and then into a 500v voltage regulator.
Do you think occasional peaks of 500ma DC could be had? I realize that running perhaps 250-300ma steady state current creates heat, but I'm guessing the worse that will happen with peaks of 500ma will be reduced voltage. The transformer will be feeding a bridge and then into a 500v voltage regulator.
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