1.
Perform insulation-resistance tests.
2.
Perform polarity tests.
3.
Perform ratio-verification tests.
3.5.1.3
Metering and Instrumentation
a.
Visual and Mechanical Inspection
1.
Compare equipment nameplate data with specifications and approved
shop drawings.
2.
Inspect physical and mechanical condition.
3.
Verify tightness of electrical connections.
b.
Electrical Tests
1.
Determine accuracy of meters at 25, 50, 75, and 100 percent of
full scale.
2.
Calibrate watthour meters according to manufacturer's published
data.
3.
Verify all instrument multipliers.
4.
Electrically confirm that current transformer secondary circuits
are intact.
3.5.1.4
Battery Systems
a.
Visual and mechanical inspection
1.
Compare equipment nameplate data with specifications and approved
shop drawings.
2.
Inspect physical and mechanical condition.
3.
Verify tightness of accessible bolted electrical connections by
calibrated torque-wrench method. Thermographic survey is not
required.
4.
Measure electrolyte specific gravity and temperature and visually
check fill level.
5.
Verify adequacy of battery support racks, mounting, anchorage, and
clearances.
b.
Electrical tests
1.
Set charger float and equalizing voltage levels.
2.
Verify all charger functions and alarms.
3.
Measure each cell voltage and total battery voltage with charger
energized and in float mode of operation.
SECTION 16237N
Page 43
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