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Vintage 1982 NECA Computer Power Conditioning Book Electrical Design Library For Sale
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An original 1982 technical guide published by the National Electrical Contractors Association (NECA) titled "Computer Power Conditioning", part of their Electrical Design Library series. Written for architects, electrical engineers, and contractors, this monograph details the critical power requirements and electrical protection needed for early mainframe and computer systems during the early computing era. Key Features & Content Technical Topics: Covers transient voltages, brownouts, voltage sags/surges, frequency variations, and power line noise affecting 1980s mainframe and computer hardware. System Breakdown: Explores Modular Power Systems (MPS), Motor-Generator (MG) Sets, Uninterruptible Power Source (UPS) Systems, and Rotary Uninterruptible Power Systems (RUPS). Diagrams & Illustrations: Detailed schematics including MPS Block Diagrams, System Status Monitoring Panels, UPS operations during blackouts, step-down bypass transformers, and utility power comparison charts. Historical Reference: Features a case study on Old National Bank using motor-generators to protect early IBM 370-158 computers against power outages, plus a full back-page listing of NECA regional chapter locations across the US.
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