Principle Of Operation - SamplexPower PST-1500-12 Owner's Manual

SECTION 5 |
5.1 GENERAL
5.2 PURE SINE WAVE OUTPUT WAVEFORM
The waveform of the AC voltage is a pure Sine Waveform that is same as the waveform
advantages are discussed in Sections 2.2 to 2.4).
instantaneous value and polarity of the voltage varies cyclically with respect to time. For
cycles in 1 sec. Cycles per second is called the "Frequency" and is also termed "Hertz (Hz)".
0V
TIME
Fig. 5.1: 120 VAC, 60 Hz Pure Sine Waveform

5.3 PRINCIPLE OF OPERATION

frequency and the pulse width of this switching is modulated with respect to a refer-
ence sine wave.
16 | SAMLEX AMERICA INC.
Principle of Operation
(Supplementary information on pure Sine Waveform and its
Peak Positive Voltage
+ V = + 169.68V
PEAK
16.66 ms
V = 120 VAC
RMS
Peak Negative Voltage
- V = - 169.68V
PEAK