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FREQUENCY
This test will change the output frequency in the sequence shown in Table 10-2.
SEQUENCE
The
key (backspace) will terminate the test at any time.
VOLT UNB
AL NCE
A
This test will change the output voltage for t
112V for 1 minute.
118V for 1 minute.
115V for 1 minute.
The test will be repeated on three phase systems to include all three phases if the coupling is set to all.
The
key (backspace) will termi
PHASE DIF
FE ENCE
R
This test applies to three phase systems only. The phase angle for the selected phase will change
relative to phase A in the following sequence:
If phase B is selected:
236 for 1 minute.
244 for 1 minute.
240 for 1 minu
If phase C is selected:
116 for 1 minute.
124 for 1 minute.
120 for 1 minute
VOLTAGE MODULATION
This test will vary the output voltage by 2.5V rms over a period of one second. The test will last for 2
min
ute . The
s
FREQUENCY MODULATION
REVISION
MODULATION
This test will vary the output frequency as defined by Table 10-3 over a period of one minute. The test
will last for 4 minutes. The
California Instruments
FREQUENCY
400Hz
VFREQ
1
393
2
407
3
400
SSF
Table 10-2: Steady state frequency
nate the test at any time.
te.
key (back
space) will terminate the test at any time.
D
7Hz
Table 10-3: Frequency Modulation
key (backspace) will terminate the test a
60 Hz
360
59
1 minute
800
61
1 minute
60
1 minute
he selected phase only in the following sequence:
E
F (400Hz /VFREQ)
4Hz
TIME
4Hz
t any time.
2253i / 2253iX
F (60HZ)
0.5Hz
135
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