12. Verify correct barrier[ and shutter] installation[ and operation].
13. Exercise all active components.
14. Inspect all mechanical indicating devices for correct operation.
15. Verify that vents are clear.
16. Test operation, alignment, and penetration of instrument
transformer withdrawal disconnects.
17. Inspect control power transformers.
b.
Electrical Tests
1.
Perform insulation-resistance tests on each bus section.
2.
Perform overpotential tests.
3.
Perform insulation-resistance test on control wiring; Do not
perform this test on wiring connected to solid-state components.
4.
Perform control wiring performance test.
5.
Perform primary current injection tests on the entire current
circuit in each section of assembly.
[6.
Perform phasing check on double-ended switchgear to ensure
correct bus phasing from each source.]
7.
Verify operation of heaters.
3.5.1.6
Instrument Transformers
a.
Visual and Mechanical Inspection
1.
Compare equipment nameplate data with specifications and approved
shop drawings.
2.
Inspect physical and mechanical condition.
3.
Verify correct connection.
4.
Verify that adequate clearances exist between primary and
secondary circuit.
5.
Verify tightness of accessible bolted electrical connections by
calibrated torque-wrench method. Thermographic survey[ is not][
is] required.
6.
Verify that all required grounding and shorting connections
provide good contact.
7.
Verify correct operation of transformer with drawout mechanism and
grounding operation.
8.
Verify correct primary and secondary fuse sizes for potential
transformers.
SECTION 16361N
Page 46
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