The OSM automatic circuit recloser is clearly the most advanced
product of its kind on the market today. Not only due to its
size and weight but functionality and rated life. The product
is available in voltages up to 27kV.
The product has been fully tested to comply with the requirements
of ANSI C37.60 and utilizes vacuum interrupters encased in
a polycarbonate housing inside a powder coated stainless steel tank
to provide a fully insulated and solid di-electric system.
This unique and patented fully insulated system allows us
to produce the smallest and lightest auto recloser available
in the market today.
The device measures current on all three (3) phases utilizing
Rogowski sensors as well as voltage on all six (6) bushings
using a capacitively coupled voltage measurement technique
from conductive rubber screens. Because the device has the
ability to measure voltage and current, the protection and
data logging functionality that is available in the RC control
is extensive.
The RC control and communications cubicle is a micro processor
based control that incorporates the protection data logging
and communications function in a single micro processor. Functionality
includes:
- Directional overcurrent protection
- Directional earth fault protection
- Directional sensitive earth fault protection
- Undervoltage protection
- Cold load pick up
- Inrush restraint
- Voltage reclosing control which allows the customer to
program loop automation functionality
- Separate event logs for close open operations & fault
protection operations
- Instantaneous Voltage, Current and Power metering
- Load profile data
- Integral RTU providing DNP3 and Modbus protocols as standard
combined with our ability to provide and engineer other
protocols on request.
We are confident that the OSM product will fast develop as
the industry standard in auto reclosers. |
