SamplexPower SSW-1000-12A, Руководство пользователя

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6
Section 2 | Design Features and Principle of operation
2.5 tHe oUtPUt WAVeFoRM
The AC output waveform of the SSW-series inverter is known as “Pure Sine Wave” or “True Sine Wave”.
It is a waveform that has characteristics same as the sine wave shape of utility power (See fig 2.1).
Modified Sine Wave is also shown for comparison.
TIME
180
160
140
120
100
80
60
40
20
0
20
40
60
80
100
120
140
160
180
Modified Sine
Wave sits at
ZERO for some
time and then
rises or falls
Pure Sine Wave
crosses zero V
instantaneously
Modified Sine Wave
•
V
RMS
= 115V
•
V
peak
= 140 to 160V
Sine Wave
•
V
RMS
= 115V
•
V
peak
= 162.61V
16.66 ms
VOL
TS
−
VOL
TS +
V
peak
= 162.61V
V
peak
= 140 to 160V
V
RMS
= 115 VAC
fig 2.1 Pure and Modified Sine Waveforms for 115V, 60Hz