page 42
Industrial Power Corruptor Manual Rev 1.00
can reset this meter to zero, at any time, by pressing its "Clear"
button. Useful for measuring the energy consumption of your
industrial process.
Amps (RMS) - The true RMS current on the phase conductor
with the lar
gest current.
Amps (peak) - the absolute value of the peak current on the
phase conductor with the largest RMS current. For a sinusoidal
current, this meter reads approximately 1.4 times the RMS value.
Crest factor - the ratio of Amps (peak) to Amps (RMS). Useful
for sizing transformer cores, and useful as a quick measure of
current harmonics - any reading that deviates from 1.4 indicates
harmonic currents are present.
Percent unbalance - On three-phase systems, the percent
unbalance in the three-phase current.
This meter has no meaning
for single-phase and split-phase systems. There are many different
unbalance formulas in use; this meter calculates the unbalance as
the difference between the largest RMS phase and the smallest
RMS phase, divided by the largest RMS phase.
Degrees - weighted current - The angle between the
fundamental current and the fundamental voltage. On polyphase
systems, this angle is weighted by the RMS current on each phase.
Leading and lagging are indicated, both by sign and explicitly.
Neutral amps (RMS) - the true RMS of the instantaneous
summed current in the three phase conductors.
Percent THD - The ratio of harmonic current to either
fundamental current or RMS current, depending on the option
you selected on the Power Flow drop-down menu. This meter is
weighted based on the RMS current on each phase. Total Harmonic
Distortion.
Percent TDD - Similar to THD, but the ratio is to the available
current, which you enter in the box below the meter
. Total Demand
Distortion.
You can copy the present meter values to your computer's
clipboard. They will be copied as standard text, so you can paste
them into any document.
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Phone:703-774-7505
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