Programmable AC Source 61705 User’s Manual
5-12
Fi_end: the ending frequency of the sweeping wave. The range is 0.01Hz ~ 2400Hz.
LEVEL: the r.m.s. magnitude of the sweeping wave in percentage of fundamental voltage set
in MAIN PAGE.
TIME: the time interval from Fi_start to Fi_end.
Press SHIFT and ENTER to go to INTERHAR execution page. The LCD shows _TRIG_ON is
under action, and * STOP * is the triggering state at present. Fi is the sweeping frequency.
(Fi=0 means no sweeping wave superimpose on original fundamental output.) Press
ENTER
to trigger it. Then LCD shows * RUNNING * and TRIG_OFF and TRIG_PAUSE. Press
or to move the cursor and press ENTER to select it. TRIG_OFF is to stop the INTERHAR
waveform. TRIG_PAUSE is to pause the INTERHAR waveform at certain frequency. The
frequency will continue to sweep when users move the cursor to TRIG_CONTINUE and press
ENTER. The LCD shows * FINISH * when the sweeping frequency reaches to Fi_end.
If the AC Source is in output state, press OUT/QUIT the output will quit to zero voltage. If press
OUT/QUIT again, the AC Source only outputs the waveform set in MAIN PAGE. Users must
press ENTER to trigger it again. If in quit state, users can press ENTER to output
interharmonics waveform directly.
The INTERHAR waveform will shut down when PAGE/EXIT is pressed to exit INTERHAR
execution page.
For practical use and to protect the power stage of AC Source, the
LEVEL has to be restricted to Fi_start and Fi_end:
If 0.01Hz < Fi_start or Fi_end < 500Hz, LEVEL < 30%.
If 500Hz < Fi_start or Fi_end < 1000Hz, LEVEL < 20%.
<
<
<
_TRIG_ON * STOP * [ INTERHAR ]
Fi = 0.00
Vrms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
I rms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
_TRIG_OFF * RUNNING * [ INTERHAR ]
TRIG_PAUSE Fi = 0.00
Vrms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
I rms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
_TRIG_OFF * PAUSE * [ INTERHAR ]
TRIG_CONTINUE Fi = 0.00
Vrms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
I rms
Φ1 = 0.00 Φ2 = 0.00 Φ3 = 0.00
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