S spitso Member Aug 26, 2008 #1 Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks
Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks
ericgibbs Well-Known Member Most Helpful Member Aug 26, 2008 #2 spitso said: Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks Click to expand... hi, You calculate the output power, apply the 90% eff then use that to calc the input current at 24V.. Last edited: Aug 26, 2008
spitso said: Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks Click to expand... hi, You calculate the output power, apply the 90% eff then use that to calc the input current at 24V..
transistance New Member Aug 26, 2008 #3 spitso said: Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks Click to expand... *I really wouldnt I think the question is poorly written, my college professors did this a lot as well. Rephrase: Find the DC current draw of a 24V inverter with 90% efficiency under a 240V, 5A load. Hint: √2 (I would not give this hint on an exam or homework or quiz what so ever ) I'm not a native English speaker but I think my rephrased version is more understandable. Last edited: Aug 26, 2008
spitso said: Hi there can anyone understand this? answer? explain? calculations? question is The DC current draw of a 24v inverter supplying a 240volt, 5 amp load. Assume an inverter effeciency of 90% thanks Click to expand... *I really wouldnt I think the question is poorly written, my college professors did this a lot as well. Rephrase: Find the DC current draw of a 24V inverter with 90% efficiency under a 240V, 5A load. Hint: √2 (I would not give this hint on an exam or homework or quiz what so ever ) I'm not a native English speaker but I think my rephrased version is more understandable.
M Muhammad89 New Member Aug 26, 2008 #8 sniper007 said: I suppose it could be 45A Click to expand... You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89
sniper007 said: I suppose it could be 45A Click to expand... You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89
sniper007 New Member Aug 26, 2008 #9 Muhammad89 said: You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89 Click to expand... ooopss, my mistake
Muhammad89 said: You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89 Click to expand... ooopss, my mistake
R rezer New Member Aug 26, 2008 #10 Muhammad89 said: You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89 Click to expand... 55A or 55.55A depending on your instructor. Thanks DMW for catching my mistake. Last edited: Aug 26, 2008
Muhammad89 said: You are sorrowly wrong in your Calculation! the answer is supposed to be 55A! Muhammad89 Click to expand... 55A or 55.55A depending on your instructor. Thanks DMW for catching my mistake.
D DMW New Member Aug 26, 2008 #11 actually its 55.555 you have to go from 100% back down to 90%, which means adding 10% wont work, you need to go 240 * 5 = 1200 1200 / 0.9 = 1333.33' 1333.33' / 24 = 55.55'
actually its 55.555 you have to go from 100% back down to 90%, which means adding 10% wont work, you need to go 240 * 5 = 1200 1200 / 0.9 = 1333.33' 1333.33' / 24 = 55.55'