118. A simplified schematic diagram of
the voltage regulator power amplifier is
provided in figure 124.
A complete
(5) Discharge resistors.
Test discharge
connection diagram of the excitation unit
resistor with a multimeter.
and voltage regulator is provided in the
h. Refer to figure 121 and reassemble the exciter.
schematic wiring diagram (fig. 1).
(2) The voltage regulator compares a portion
install the exciter and install the housing components
of the generator output voltage with a
that were removed (fig. 3).
reference voltage The difference in
voltages constitutes an error signal that is
73. Voltage Regulator
amplified and used to establish the level
of control current applied to the S (C)
a. General.
winding of the static exciter current
(1) The voltage regulator assembly is
voltage transformer (CVT). This control
mounted in the exciter box. A simplified
current maintains generator terminal
block diagram of both the excitation unit
voltage
within
regulation
and voltage regulator is provided in figure
Figure 123. Voltage regulator installed in exciter box.
157
