Table of Contents
Advertisement
User Manual
FREQUENCY TRANSIENTS (Group 1 and A(CF) only)
This test applies to Group1 and A(CF) only. The outp
frequency is changed per the sequence listed in Table 9-6. The test will cycle 5 times starting from
sequence 2. Steps 3 and 6 apply to A(CF) only.
FREQUENCY VARIATION
Seq. No
1
2
3
This test will apply to Group2/A(NF) and Group3/A(WF) only. . The output voltage is set to Vnom (115
V) while the frequency is set to 360Hz for 5 minutes. The frequency is slowed per the sequence listed
in Table 9-7. The test will cycle 3 times. The frequency will return to nominal after the test is
co
mpl
eted. Sle
California Instruments
Seq. No
1
2
3
4
5
6
7
Table 9-6
: Normal Frequency Transient Se
(Group2 / A(NF) and Group3 / A(WF) only)
Initial Frequency
Group2
Group3
360
360
650
800
360
360
Table 9-7: Normal Freque
w ra
tes
of 2
00Hz
a
pply
Frequency
Time
400
5 Minute
440
150msec
420
1.5sec
400
5Sec.
350
150msec
380
1.5sec
400
5Sec.
ut voltage is set to Vnom (115 V) while the
Slew rate
Final Frequency
Hz/Sec
Group2
100
650
100 or 200
360
Pause 5 sec
360
ncy V
ariation Sequ
to
RTCA2 o
nly.
quence
Group3
800
360
360
ence
2253i / 2253iX
121
Advertisement
Table of Contents
