3-1
The BE3-25A controls are shown in Figure 3-1 and are described in Table 3-1.
Table 3-1. Controls.
CONTROL
FUNCTION
TEST/OPERATE Switch
Selects either the TEST or the OPERATE Mode.
% VOLT MATCH (5-15)
Potentiometer
Selects the maximum voltage difference between the generator
and the bus prior to allowing breaker closure.
± BREAKER CLOSING
ANGLE Switch (5
°
- 20
°
)
Selects the maximum allowable phase angle difference (in 5
°
increments) between the generator and the station bus prior to
breaker closure.
% VOLT MATCH (1, 2, 3, 4,
5) Switch
Used to select the voltage difference when using the voltage
matching option.
DEAD BUS (10 V - 50 V)
Potentiometer
Used to set the "dead bus" threshold.
GOV STAB Potentiometer
Used to adjust the stability and response time of the governor.
REG STAB Potentiometer
Used to adjust the stability and response time of the voltage
regulator.
OFFSET ADJ Potentiometer
Used to adjust the amount of offset voltage required for the
AMBAC International CU673C governor.
The BE3-25A controls are shown in Figure 3-1 and are described in Table 3-2.
Table 3-2. Indicators.
INDICATOR
FUNCTION
POWER Indicator
Illuminates to indicate that power is applied to the Synchronizer.
SYNC Indicator
Illuminates to indicate that the generator is synchronized with
the bus.
SECTION 3
CONTROLS, INDICATORS, & JUMPERS
3-1. CONTROLS
NOTE
Not all controls are on all styles.
3-2. INDICATORS
