TM 11-6125-261-30
Table 3-9. Final Test Procedures - Continued
Control settings
Step
Test
Equipment
Test procedure
Performance standard
No.
Equipment
under test
a. Outputs are 65 V ac 5vac with 4.36 amp
a. Set S6 to 200% Load.
3
Reset all controls to
load.
test step 8 of table
3-10.
b. Input current does not exceed 50 amps.
load of 4.36 amps per phase.
NOTE
Make adjustments and readings quickly.
Overcurrent foldback willoccur after a few
seconds of overload operation.
c. Set S6 off Set S1 to No Load. Allow inverter c. None
5 minutes to cool before proceeding.
a. 50 amps max.
a. Depress S5 and hold. Read input current.
4
Reset all controls to
test 8 of table 3-10.
CAUTION
Allow inverter 5
minutes to cool at
No Load between
step 3 and 4 of table
3-9.
b. Minimum 5 seconds. Maximum 20
b. Measure time in seconds until the input
seconds.
current reduces to about one half the initial
level.
c. 20 amps maximum
c. Read the input current.
d. None
d. Release S5.
e. Time to recover is less than two seconds,
e. Measure the recovery time to full load
within all specification limits.
Set Vin to Zero. Disconnect the inverter. Test
complete.
3-36
