© 2012 Power-Tronics, Inc.
6
Connection Diagram
(
See page 7
if the generator will be paralleled using this product)
The SEM100A is a Half-Wave rectified static exciter, which allows a maximum of
105VDC at 90 ADC continuous with an input voltage of 240VAC.
This product is typically used on slip-ring generators with full load field voltages of
63VDC or less and full load exciter field amperages between 30 and 90ADC.
Note that the maximum input voltage to the SEM100A Static Exciter Module is
240VAC!
DO NOT input 277VAC into the SEM100A!
Severe damage to the unit will
result! For use on 480V systems, either connect the SEM100A to the winding center
taps T7 and T8 or use a 480-240V step-down transformer.
Connecting the input of the SEM100A to 2 different legs of the generator as shown in
the diagram below will result in greater regulation accuracy than when connecting line-
neutral.
NOTE:
It is not necessary to
jumper terminals 7
and 8 if not using the
Remote Voltage
Adjustment!
XR or UVR Series Voltage Regulator, or
UVR, XR, or PC series Phase Controller
NOTE:
If the generator is
to be operated
below 50/60 Hz, a
disconnect or
switch should be
installed in series
with red wire of
the SEM100A.
NEVER install a
switch or
breaker on the
DC or Exciter
side of the Static
Exciter!
Only
install a switch
or disconnect in
the red wire, or
on the AC side
of the SEM100A!
SEM100A
AC1 AC2/F- F+
Gr
a
y
Wh
it
e
Re
d
