Protecting computer systems against power transients
Article Abstract:
Understanding the causes, impacts and remedies for power transients is important to the protection of small computer systems. This will enable each computer user to decide on the value of the tradeoffs between the cost and effectiveness of protection from transients versus the value of the system and its resident data. A transient can be any disturbance of a computer's power or data lines, including lightning strikes, differences in ground potential, electrostatic discharges, switching transients in power systems, and undervoltages or power outages. The problems are complicated by the addition of peripherals or incorporation into a network. Typical protection technologies include transient voltage surge suppressors for both power and data lines and uninterruptible power supplies for power outages and sags. Optical network cabling can reduce problems in differences in potential.
Publication Name: IEEE Spectrum
Subject: Engineering and manufacturing industries
ISSN: 0018-9235
Year: 1990
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Development of control systems continues
Article Abstract:
The advanced train-control system (ATCS) project will improve railroad operations and safety. Rockwell International's Advanced Railroad Electronics System provides train location, speed and other data gathered through defense satellites, and trucking, shipping, and law enforcement applications will someday also use satellites to relay similar information. Electronic tags for automatic vehicle identification are also being used in the railroad transportation industry. New technology must allow transportation services to continue uninterrupted as it is integrated into the system.
Publication Name: IEEE Spectrum
Subject: Engineering and manufacturing industries
ISSN: 0018-9235
Year: 1989
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