Powell PowlVac IB-65020A CDR 27kV, Руководство пользователя

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PowlVac® CDR 27kV & 38kV Vacuum Circuit Breaker
IB-65020A
Installation
2) Inserting the Circuit Breaker to the
Test/Disconnect Position
CAUTION CAUTION
!
Prior to inserting the circuit breaker into the
circuit breaker compartment, make sure that
the control circuits are deenergized.
a. Open the compartment door.
b. Align the breaker with the circuit
breaker compartment. Make certain
the racking indicator flag (Figure 16, a)
displays “TEST/DISCONNECT” before
inserting the circuit breaker.
c. Insert circuit breaker into the
test/disconnect position of the circuit
breaker compartment. The secondary
disconnect blocking pin (Figure 1, c) will
cause the circuit breaker to stop as the
circuit breaker reaches the disconnect
position.
d. Insert the secondary disconnect
plug into the secondary disconnect
receptacle (Figure 1, f) on the circuit
breaker. The secondary disconnect
blocking pin will drop and the
secondary disconnect plug will be held
captive to the circuit breaker.
e. Pivot the secondary disconnect latch
(Figure 1, g) to the left. Push the
breaker approximately 2” to the
“TEST
”
position. The breaker will be stopped
in the test position by the roller on the
end of the levering-in arm, which will
enter the L-shaped slot on the top of the
circuit breaker (Figure 14).
Figure 14 Top View L-Shaped Slot
f. Close the compartment door.
g. Fully press the “push to trip” knob
(Figure 15, a)
h. While push to trip knob is pressed in,
slide the racking access window
(Figure 15, b) to the left.
3) Inserting the Circuit Breaker to the Connected
Position
CAUTION CAUTION
!
Prior to inserting the circuit breaker into the
circuit breaker compartment, make sure that
the control circuits are deenergized.
Once the circuit breaker has reached the
test/disconnect position, perform the
following for racking the circuit breaker to
the connected position.