Eaton 600 A 25 kV class PUSH-OP M Installation And Operation Instructions

17
SPEAR™ Single-Phase Recloser System
INSTALLATION AND OPERATION INSTRUCTIONS MN280048EN June 2016
Recloser operation
WARNING
This equipment is not intended to protect human
life. Follow all locally approved procedures and safety
practices when installing or operating this equipment.
Failure to comply can result in death, severe personal
injury, and equipment damage.
G102.1
WARNING
Hazardous voltage. Do not rely on the open position
of the yellow operating handle or the contact position
indicator; it does not ensure that the line has been
de-energized. Always establish a visible disconnect.
Failure to follow proper safety practices can result in
contact with high voltage, which will cause death or
severe personal injury.
G114.1
A current transformer senses line current from the SPEAR
single-phase recloser and inputs this information to the
SPEAR single-phase recloser control. The recloser responds
to trip and close commands from the control, per the
settings programmed in the control.
Vacuum interrupter
Arc interruption takes place within the sealed vacuum
interrupter. Eaton’s Cooper Power series vacuum
interrupters employ axial-magnetic field contacts. Slots are
machined into the contact support structure producing a
magnetic field along the axis of the interrupter. This axial-
magnetic field keeps the arc in an easier-to-interrupt diffuse
mode, resulting in less power in the arc that needs to be
dissipated, resulting in extended operating duty.
Mechanism tripping and closing
The SPEAR single-phase recloser utilizes a magnetic
actuator for fast, efficient latching. A rare-earth neodymium
magnet provides latching forces in excess of 240 pounds,
eliminating the need for mechanical latches.
While in the closed position, the magnetic field established
by the magnet is coupled with the iron assembly to provide
a latching force for the movable plunger. The magnetic
force is concentrated at the plunger-assembly interface and
provides the latching force required to keep the mechanism
closed. The assembly also houses the trip and close coils
that provide the energy to operate the mechanism.
To open the main contacts, the trip coil is pulsed with
electrical current, which cancels the magnetic field. A
compression spring in the center of the coil moves the
plunger assembly to the open position. As the plunger
moves, the magnetic field strength decreases as the air gap
increases, due to the difference in the relative permeability
of free space and the ferrous plunger. Once in the open
position, the compression spring keeps the unit open.
A trip and close capacitor stores the necessary energy for
operating the recloser. As a result, trip energy is available
following any close operation. This capacitor is charged by
the control nominal 24 V battery and/or power supply.
Manual operation of energized recloser
WARNING
Hazardous voltage. Do not rely on the open position of
the yellow operating handle; it does not ensure that the
line has been de-energized. Always establish a visible
disconnect. Failure to follow proper safety practices can
result in contact with high voltage, which will cause
death or severe personal injury.
G116.0
WARNING
Hazardous voltage. Always use a hotstick when working
with this equipment. Failure to do so could result in
contact with high voltage, which will cause death or
severe personal injury.
G108.1
The yellow manual operating handle on the SPEAR single-
phase recloser is used to open and lock out the recloser and
disable the electrical and supervisory closing.
The manual operating handle is designed to be operated
with a hotstick. See Figure 17. Pulling down the handle trips
and locks open the main contacts of the recloser.
Contact position is indicated by the OPEN flag of the
contact position indicator. The yellow operating handle will
remain down in the OPEN position and not return upward
under the sleet hood.
ote:N When the recloser electronically operates to lockout,
the yellow operating handle will not drop down from
under the sleet hood. The yellow operating handle
remains in the OPEN position only after manual
operations are performed.
The yellow operating handle must be returned up to the
CLOSED position for the recloser to respond to a close
signal from the SPEAR single-phase recloser control. All
close operations are initiated by the control.

Eaton 600 A 25 kV class PUSH-OP Specifications

General

Brand	Eaton
Model	600 A 25 kV class PUSH-OP
Category	Cables and connectors
Language	English