Study Hall Home > Crown Design Tools > Constant Voltage Transform Power
Constant Voltage Transform Power
Many people don't realize that a
transformer labeled for use with a specific voltage will work just as well at
other voltages. This calculator provides power delivered from a transformer
tap when driven with other than the rated voltage.
Example: You are installing a distributed
system with very long lines. To overcome line loss, you select a 140 volt
system. Which transformer tap will feed 10 watts to a loudspeaker with a
"70V transformer?
1. Enter values for both "Voltage Rating
of Transformer" and "New Voltage"
2. Either:
- Enter a value for "Tap
Rating" to calculate the power output from the tap at the new
voltage.
- Enter a value for "Power from
Tap" to calculate the correct transformer tap to achieve the desired
power at the new voltage.
This form requires a Microsoft Internet
Explorer 4.0+ browser.
Note: Fields should be reset before each new calculation.
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