All Questions
Tagged with power-consumption transformer
5
questions
0
votes
3
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How I can calculate/estimate how many voltamperes I need for an isolation transformer?
I need to power an ungrounded device with live chassis. According to my Google fu I can protect myself using an isolation transformer: https://www.youtube.com/watch?v=3rvEdHyAd2k.
Of course I am not ...
0
votes
0
answers
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Calculating watt usage from an input/output electronics spec for step-down transformer's minimum watt limit
I'm trying to calculate the minimum watt limit needed for a step-down transformer that convert 220 V to 120V from source (220V) to 125V smart plug then to an electronic appliance with the following ...
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-3
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2
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Solving for Amps in a selfmade furnace/heating resistance
I made a heating resistance out of a graphite bar I found. I will adapt this bar to a furnace in order be able to sinter Si3N4 (1850°C).
After measuring dimensions, max. load of Si3N4 in the furnace ...
7
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3
answers
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Do Step-Down Transformers Increase Total Power Consumption?
Firstly I am not at all experienced in electrical matters so forgive any wrong terminology.
Here's the situation:
I recently moved out of US to a country that uses 220v. We have a single phase step-...
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2
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1
answer
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How do you measure apparent power consumption of a transformer (primary coil) with no load on secondary?
Lets say 120 Volts at 60 Hz with a Transformer across it with 1 Henry as the primary and 1 Henry on the secondary. The secondary has no load and is an open circuit. How would I physically measure the ...
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