Posted by John Keller
ASHLAND, Mass., 17 April 2010. Schaefer Inc. in Ashland, Mass., is introducing a rugged power converter for subsea mineral exploration or other deep-sea applications.
This subsea power converter uses of industrial-grade components to yield an efficient, space-saving solution while increased mechanical strength and tropical protection eases operation in extreme environments.
Based on Schaefer's C3700 power converter, the design provides as much as 1,100 Watts of power with an adjustable, tightly regulated 24-volt DC output. Schaefer also can engineer units to accept a high-voltage input of as much as 5000 volts DC, or to supply higher output voltages and/or output power.
The power converter operates with convection cooling over a temperature range of -20 to 75 degrees Celsius. All dissipated heat is conducted through one flat aluminum surface that can be mounted to the subsea structure. Over-temperature shutdown with alarms, with automatic recovery, is inherent in the design.
No minimum load is required for stable operation. The converter is optimized thus that seawater can be used as the input return path. The device also has remote sensing, Power-OK, DC-OK, current limiting, short circuit protection, overvoltage protection, and overload protection.
For more information contact Schaefer online at www.schaeferpower.com.
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