Pump Drivers and Variable-Speed Drives

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Pump Drivers and Variable-Speed Drives
103030010111061011108Pump Drivers and Variable-Speed Drives
<emphasis role="bold">Introduction</emphasis> HVAC pumps are driven by electric motors, steam turbines, and gas-or oil-fueled engines. By far most of the pumps are operated by electric motors. Steam turbine–driven pumps are found on large central chilled water or cogeneration plants where steam is available from boilers or exhaust steam from turbine-driven chillers or elect…
James B. Rishel: HVAC Pump Handbook, Second Edition. Pump Drivers and Variable-Speed Drives, Chapter (McGraw-Hill Professional, 2006 1996), AccessEngineering Export