Vfd (variable-frequency drive) - Articles - Page 4

April 10, 2015: DrivePak Earns Top Product of the Year Award from Environmental Leader

DrivePak Recognized for Delivering Energy, Environmental Benefits

April 10, 2015

NexRev Inc., a manufacturer of performance-improving energy efficiency upgrades for HVAC equipment, announced that its flagship product, DrivePak™ HVAC Efficiency Upgrade, received a Top Product of the Year Award in the Environmental Leader Product & Project Awards.

Schaffner EMC Inc.: Harmonic Filter

February 16, 2015

The ECOSine® Active 30/50/100A is a harmonic filter that provides harmonic compensation in real-time.

Taco: Pump with Variable Frequency Drive

December 23, 2013

The Taco SelfSensing Series with ProBalance™ integrates Taco KV or KS pumps with a variable frequency drive. The pumps allow the installer to accomplish easy do-it-yourself system balancing for both constant flow central plant applications and variable flow building distribution applications.

Preventing Electrical Fluting in Motors

Ceramic Ball Bearings, Shaft Grounding Rings Help Mitigate Damage

Jen Anesi

December 9, 2013

While variable-frequency drives (VFDs) boast increased energy efficiency as the main benefit, a small — but by no means insignificant — percentage of the drives are causing major problems in the motor they control.

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.

Congressman Talks Energy with Danfoss

Discusses Legislation to Advance Energy-Efficient and Renewable Energy Technologies

September 2, 2013

U.S. Rep. Adam Kinzinger, congressman for the 16th Congressional District in Illinois, recently visited the Danfoss plant in Loves Park, Ill., within his district.

Bell & Gossett®, a Xylem brand: Integrated VFD With Sensorless Control

June 24, 2013

According to the manufacturer, the variable-speed drive sensorless controller utilizes the latest generation hardware platform with advanced pumping software and proven algorithms to create a smarter, more cost-efficient, and energy-saving pump system for HVAC and pressure-booster applications.

Sustainability in Shaft Grounding Rings

April 15, 2013

Variable-frequency drives (VFDs), also known as inverters, are widely used because they save energy, especially in applications with variable-torque loads.

The Need for Bearing Protection for Inverter-Duty Motors

Adam Willwerth

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.

SJE-Rhombus: Variable-Frequency Drive Control Panels

January 28, 2013

Variable-frequency drive (VFD) control panels, the Endura™ line, has been introduced. The Endura PB (Pressure Booster) Control Panel is designed for commercial pressure booster applications using one-to-four VFDs, includes the VFDC-4000 controller and one VFD for each pump.