Lucent Technologies Lineage
®
2000 100A Ferroresonant Rectifier J85503A-1
Issue 6 October 1998
Testing 6 - 7
same as on the rectifier control panel when the door is
closed (see Figure 2-5).
4. Adjust the test load so that when the rectifier is turned on,
it will deliver 5-20A, 5 to 20 percent of full load.
5. Turn the Power switch On. The rectifier should start. The
test meter should indicate 20-25 volts (24-volt rectifier) or
40-50 volts (48-volt rectifier). The MAN lamp on the test
set should light and remain lit as long as the rectifier is
turned on.
Regulation
(NL/FL) Test (Off
Line)
1. Hold the meter selector switch in the Rect V position.
Watch the test meter and move the Rect Test switch to
NL. In the NL position, the voltage should drop between
0.3 and 0.6 volt.
2. Repeat Step 1 with the Rect Test switch in the FL
position. The voltage should increase between 0.1 and 0.4
volt.
Rectifier Failure
Alarm/Fuse
Alarm Test (Off
Line)
1. Insert a piece of bare wire or the end of a paper clip into a
pencil eraser. Holding the pencil, insert the wire next to the
alarm indicator of the +V fuse on the control panel. Note
that the rectifier shuts down and the RFA lamp on the
control panel lights.
2. Turn the Power switch Off, then back On. The RFA light
should go off.
3. Repeat Steps 1 and 2 at the –V fuse.
Current Limit
Test (Off Line)
1. Connect the test meter to the rectifier side of CBA1 and dc
output return.
Note
Adjust the current limit only after verifying that a current limit
problem exists.
