9146600990 Rev M
BE1-25A Testing
5-9
Table 5-1. Adv ance A ngle Test Para meters
(Maxim um slip rate mu st be set at 0.500 he rtz.)
Sensed Generator Frequency
(With B us at 60.00 h ertz.)
Advanced An gle (±3°) for Indicated
Breaker Closing Times
Gen. Under
Gen. Over
1 00 ms
400 ms
7 00 m s
59.6
60.4
14.4
No Sync
No Sync
59.8
60.2
7.2°
28.8°
No Sync
59.98
60.02
0.72°
2.88°
5.04°
59.995
60.005
0.18°
0.72°
1.26°
VERIFICATION TESTING OPTIONS
General
Before performing any of the following procedures for the first time, be sure to review the paragraphs entitled
VERIFICATION AND CA LIBRATION, General
. There you w ill find preliminary instructions that are common
to virtually all test and calibration pro cedures. A lso, yo u w ill find many terms defined, a list of recommended
equ ipment, and two basic setup diagrams. Test procedures for discontinued options B3, B5, F1, F2, F3, F4,
and V4 are provided in Section 7.
Voltage Acceptance Modu le A1 Verification Test
The VOLTAG E DIFFERENC E control is calibrated in terms of percentage, using the bus voltage as a
reference. The following definitions apply.
))
V=
*
V
BUS
-V
GENERATOR
*
)
V
%
= the setting of the VOLTAGE DIFFER ENCE control
= 100
*
V
BUS
-V
GENERATOR
*
/V
BUS
Step 1.
Perform the test setup illustrated in Figure 5-1, and move the tes t mo dule into the offset (i.e., test)
position.
Step 2.
Set the simulated bus voltage and the simulated generator voltage (at the voltage sensing inputs)
to 120 V, 60 hertz. Rota te th e VOLT AG E D IFFE REN CE c ontrol of th e A1 m odule to the minimum
setting (0.5% ).
Step 3.
Slowly adjust the generator voltage to 0.6 ±0.3 V above, and then to 0.6 ±0.3 V below the initial 120
Vac setting. The
)
V H IGH LED sho uld turn ON whene ver abo ve o r below this range.
Step 4.
Repeat steps 2 and 3 with the VOLTAGE DIFFERENCE control at maximum (5%). The
)
V HIGH
LE D should turn ON whenever the generator voltage swings 6 V (±1%) above or below the initial
120 Vac pos ition.
Step 5.
Test the GV>BV function by setting the generator voltage to a value 2.0% lower than that of the
bus. Set the VO LTAG E D IFF ER EN CE con trol to 5%. Shorting the GV> BV jacks on the tes t module
sho uld inhibit SYN C LED ope ration. Remo ving the short s hou ld restore the ou tput.
Voltage Acceptance Modu le A2 Verification Test
Step 1.
Provide the test setup illustrated in Figu re 5-1, and m ove the tes t mo dule into the offset (i.e., test)
position.
Step 2.
Set the bus v oltage to 120 Vac at 60.0 hertz, and the generator voltage to 120 Vac at 60.10 hertz.
Set the UPPER LIMIT control to 150, and the LOWER LIMIT control to 80. Set the VOLTAGE
DIFFERENC E control to 10.
Step 3.
Increase the ge nerator voltage until the HIG H LE D turns O N (appro ximately 130 Va c).
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