both the recloser and its operating mechanism in accordance with
manufacturer's instructions.
(5)
Verify tightness of accessible bolted electrical connections.
(6)
Inspect for correct insulating liquid level.
b.
Electrical Tests
(1) Perform resistance measurements through all bolted
connections with low-resistance ohmmeter.
(2)
Perform a contact resistance test
(3)
Sample insulating liquid.
Sample shall be tested for:
(a)
Dielectric breakdown voltage
(b)
Color
(c)
Visual condition
(4)
Test protective functions.
[(5) Perform vacuum bottle integrity test (overpotential) across
each vacuum bottle with the recloser in the open position in
strict accordance with manufacturer's instructions.]
(6)
Perform overpotential tests.
(7)
Determine time delay for each programmed reclosing interval.
(8)
Verify lockout for unsuccessful reclosing.
(9)
Determine reset time.
(10)
Verify instantaneous overcurrent lockout.
][3.4.7.4
Sectionalizers
a.
Visual and Mechanical inspection
(1)
Compare equipment nameplate data with approved shop drawings.
(2)
Inspect physical and mechanical condition.
(3)
Inspect alignment and grounding.
(4) Perform mechanical operation and contact alignment tests on
both the sectionalizer and its operating mechanism in accordance
with manufacturer's instructions.
(5)
Verify tightness of accessible bolted electrical connections.
(6)
Inspect for correct insulating liquid level.
b.
Electrical Tests
(1) Perform resistance measurements through all bolted connections
SECTION 16301N
Page 43
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