LEADER 03038nam 2200601 450 001 9910462034403321 005 20200520144314.0 010 $a1-283-89603-6 010 $a1-60650-365-0 024 7 $a10.5643/9781606503652 035 $a(CKB)2670000000277989 035 $a(EBL)1043565 035 $a(OCoLC)830170428 035 $a(SSID)ssj0000797965 035 $a(PQKBManifestationID)12337926 035 $a(PQKBTitleCode)TC0000797965 035 $a(PQKBWorkID)10738689 035 $a(PQKB)11145873 035 $a(OCoLC)809068426 035 $a(CaBNvSL)swl00401199 035 $a(MiAaPQ)EBC1043565 035 $a(Au-PeEL)EBL1043565 035 $a(CaPaEBR)ebr10617489 035 $a(CaONFJC)MIL420853 035 $a(EXLCZ)992670000000277989 100 $a20190118h20122013 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr 200 10$aVariable speed drives $eprinciples and applications for energy cost savings /$fDavid W. Spitzer 205 $a4th edition 210 1$aNew York :$cMomentum Press, LLC,$d2012. 210 4$d©2013 215 $a1 online resource (226 pages) 300 $a"First, second, third editions published by ISA (The Instrumentation, Systems, and Automation Society)." 311 $a1-60650-363-4 320 $aIncludes bibliographical references and index. 327 $a1. Introduction -- 2. Electrical basics -- 3. Hydraulic basics -- 4. Chemistry basics -- 5. Instrumentation basics -- 6. Prime utility costs -- 7. Plant utilities -- 8. Application of control valves -- 9. Alternate final control elements -- 10. Variable frequency drive technology -- 11. Control valves vs. variable speed drives -- 12. Typical variable speed drive applications -- 13. Selling a project : the economic approach -- 14. Applications -- 15. HVAC applications -- Bibliography -- Index. 330 3 $aVariable speed drive technology spans virtually the entire industrial revolution, from the development of the steam engine to modern microprocessor-based electronic motor controllers. Applications of the technology range from miniature motors that can be held in one's hand to pieces of rotating equipment that are considerably larger than the tallest man. Refinements of this technology, fueled in recent years by improved reliability and performance of electronic devices, are occurring at a more rapid pace than ever, resulting in greater performance at lower cost. 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