SECTION 2 SPECIFICATIONS
10
2.1.4 WAVEFORM CONTROL SPECIFICATIONS
A sine wave is the only waveform available in the Manual versions of the controller (UPC-3M and UPC-
1M).
Each output phase is generated by one of 22 waveforms stored in RAM and may be independently
generated using separate waveforms by creating a Stored program and specifying a different waveform
number for each phase within that program.
Waveform 1 is always a Sine wave and cannot be changed. Waveforms 2-22 may be individually edited,
or copied. This gives the user the ability to create almost any waveform with the UPC, such as sub-cycle
transients. See section 4.5.2.2 for an example of creating a cycle-based transient that performs
waveform substitution for 1 cycle.
If the ERASE ALL RAM AND RESET CPU function is selected, all waveforms are erased and reset as
follows:
EDITABLE
WAVEFORM #
DESCRIPTION
1 SINE WAVE
2 TRIANGLE - 12.7% THD
3 SQUARE - 38.6% THD
4 PULSE (30º WIDTH) - 153% Avg. THD
5-22 SINE WAVE
NOTE
: THD is measured as RMS THD with a Distortion Analyzer unless noted above.
For other waveforms, Waveform Edit (4.6.2.1) allows modification of existing waveforms and the
Waveform Synthesis (Harmonic Analysis and Synthesis option) allows creation of waveforms by defining
harmonic content (see 4.6.2.3)
2.1.5 OUTPUT POWER FORM CONTROL SPECIFICATIONS
The UPC-3 can create single (one), split (two), or three phase waveforms with ΦB and ΦC at any phase
angle referenced to phase A.
The UPC-1 generates only one output vector. When used in an AMX or ASX Power Source, it may
generate single (one) and split (two) phase output.
When two phase output form is selected, the hardware in the Power Source causes the ΦB signal to be
180º out of phase with the ΦA signal. The user may program 240 VAC with a result of 120 VAC from ΦA
to neutral and 120 VAC from ΦB to neutral and 240 VAC from ΦA to ΦB.
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