Articles Tagged with ''variable frequency drive''

Nov. 14, 2013: AHRI Launches Certification Programs for VFDs and Datacom Cooling

AHRI Manages 40 Performance Certification Programs for HVACR and Water Heating Products
November 14, 2013
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has announced two new certification programs for variable frequency drives (VFDs) and datacom cooling (DCOM) equipment.


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The Need for Bearing Protection for Inverter-Duty Motors

February 4, 2013
All major manufacturers of three-phase ac induction motors offer “inverter-duty” or “inverter-ready” models, but while these motors have inverter-rated insulation to protect the windings, the bearings — their most vulnerable parts — are too often ignored. 


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Cerus Industrial: Redundant Drive Panel

December 30, 2012
Cerus Industrial’s P-Series variable frequency drives (VFDs) are now available with a redundant drive, ensuring continuous, efficient operation with no mechanical bypass.


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AHRI Publishes VFD Standard

February 6, 2012
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) recently published an industry-first standard for variable frequency drives (VFDs).


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Feb. 3, 2012: AHRI Publishes Industry Standard for Variable Frequency Drives

February 3, 2012
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has announced the publication of an industry-first standard for variable frequency drives (VFDs). As with all AHRI Standards, 1210 (I-P)-2011 & 1211 (SI)-2011, Performance Rating of Variable Frequency Drives, are available free of charge on AHRI’s website at www.ahrinet.org.


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