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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. |
