Tag: Variable Frequency Drives

A Variable Frequency Drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the electric motor. Other names for a VFD are variable speed drive, adjustable speed drive, adjustable frequency drive, AC drive, microdrive, and inverter.

Energy Management Systems

To exemplify the evolving nature of energy management systems, Greg Turner, vice president for Honeywell Business Solutions, recalls a recent conversation in which a hospital facilities manager spoke of how he’d have to come up with budget figures once a year that would either be accepted or rejected.

“Now I get calls almost

Fuji Electric Expands Drives Portfolio with Full-Featured Inverter

Fuji Electric Expands Drives Portfolio with Full-Featured Inverter

FRENIC-Ace Combines Versatility and Performance for Ease of Integration

Fuji Electric Corp. of America has announced that they have expanded their portfolio of Variable Frequency Drives with the addition of FRENIC-Ace, a full-featured, versatile Drive with advanced integration capabilities including applied power ratings, sensorless dynamic torque vector control, PM synchronous

HVAC Innovations

HVAC Innovations

Efficiency is the buzzword for innovations in HVAC technologies. “Government mandates are requiring higher efficiencies overall from the building, which includes everything from the HVAC all the way to the glass in the door,” points out Steve Ulm, spokesperson for SEMCO. “Efficiency is driving the construction industry as a whole.”

Net Zero Energy Buildings

Net Zero Energy Buildings

Imagine that your company management has told you they are planning to design and build a new headquarters, or retrofit the current building to be Leadership in Energy and Environmental Design (LEED) certified Platinum and net zero energy . . . and they want you to make it happen.

Selecting the Right Fan for the Job

Selecting the Right Fan for the Job

There is an industry-wide push right now to use fan arrays based on efficiency, redundancy, and fit. Not too long ago, the only fans in use in air handlers were double-width, double-inlet (DWDI) fans. In recent years, engineers and facility personnel have begun to understand how plenum fans, if applied

Building Controls: The Heart of Energy Efficiency

Building Controls: The Heart of Energy Efficiency

Digital technology has created a revolution in building controls, relegating old pneumatic instruments to the antique shops along with typewriters and calculating machines. Now, a control system can allow a technician to turn fans on or off, and/or modify temperatures or lighting in a structure from a tablet or laptop

When You Need to Make It Flow Uphill

When You Need to Make It Flow Uphill

When deploying sustainable water networks, we can observe the watersheds they’ll inhabit to seize opportunities to serve both people, and the planet. In the 21st century, we’re getting used to scientific facts running circles around science fiction, yet water will always behave the same. Whether we use sophisticated electronic pumping

Net Zero Energy

Net Zero Energy

Imagine that your company management has told you they are planning to design and build a new headquarters, or retrofit the current building to be Leadership in Energy and Environmental Design (LEED) certified Platinum and net zero energy . . . and they want you to make it happen.

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