Full TGIF Record # 21611
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Publication Type:
Author(s):Knight, Kevin
Author Affiliation:Dallas, Texas
Title:VFD pump savings (a four-year followup)
Source:Texas Turfgrass. Vol. 44, No. 2, Summer 1991, p. 7-8.
Publishing Information:College Station, TX: Texas Turfgrass Association, Inc., 1003 Howe
Keywords:TIC Keywords: Pumps; Irrigation; Variable frequency drive irrigation system
Abstract/Contents:"Variable frequency drive (VFD) pump technology is new to the golf course industry, particularly in Texas. The 18-hole Plano Municipal Golf Course north of Dallas may be the first in this state to have a VFD pump station. It has consistently saved power, reduced maintenance and virtually eliminated line breaks caused by water hammer. VFD systems automatically change pump speeds with a programmable logic controller (PLD), electronic pressure transducer and an alternating current (A/C) frequency inverter. As irrigation demand is sensed, the PLC starts the VFD driven pump which automatically change speeds to maintain constant discharge pressure. According to Jim Rado, senior sales engineer at Flowtronex International in Tyler, Texas, `The system is virtually maintenance-free. It seems like all we have to do anymore is open the pump house door and make sure the power is on. We can spend our time working on new jobs instead of handling irrigation problems.'"
Note:A free brochure, "VFD Pump Technology: The Basics", is available from Flowtronex. Call toll free: 800/537-8778.
Pictures, b/w
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Knight, K. 1991. VFD pump savings (a four-year followup). Tex. Turfgrass. 44(2):p. 7-8.
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