3-6
Figure 3-5. Brushless Type Rotary Exciter (or Static Exciter) Interconnection.
(3) If the field or field flashing circuit is grounded, a power transformer must be used to isolate the
regulator input from ground.
a. In addition to the regulator provisions, a 25 VA current transformer (CT) is required (See Figure
3-4 and 3-5). This CT is connected in a generator line and should deliver from 3 to 5 A secondary
current at rated load.
b. The phase relationship of CT signal to the regulator sensing voltage must be correct or the system
will not parallel properly. On three-phase sensing models the CT must be installed in the line that
3-3. PARALLEL COMPENSATION (Terminals 1 and 2)
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