Units are designed to provide ease of installation, start-up, and field troubleshooting
January 14, 2016
Fuji Electric Corp. of America announced that it has begun manufacturing its FRENIC-HVAC Combination Variable Frequency Drives (VFDs) in the company’s new factory in Roanoke, Virginia, in order to reduce turnaround time and customize panels to suit customers’ individual applications.
Technological advancements and regulatory policies aimed at improving energy efficiency are important factors
January 13, 2016
The global electric motor market was valued at $99.85 billion in 2014 and is expected to reach $141.7 billion by 2022, growing at a compound annual growth rate (CAGR) of 4.5 percent from 2015 to 2022, according to a new report by Grand View Research.
Explains how to determine the types of load duty and related current ratings
January 12, 2016
The National Electrical Manufacturers Association (NEMA) has published NEMA ICS 61800-6 TR-2015, Adjustable Speed Electrical Power Drive Systems, Part 6: Guide for Determination of Types of Load Duty and Corresponding Current Ratings.
It covers ac electrical drive systems rated 600 volts or less
December 18, 2015
The National Electrical Manufacturers Association (NEMA) has announced the publication of NEMA ICS 7.2-2015 Application Guide for AC Adjustable Speed Drive Systems. This guide assists users in proper selection and application of alternating current (ac) adjustable speed drive systems.
Blower motor breakdown can be the result of anything from old age to failed bearings, high amp draw, electrical failure in the windings, dirt accumulation, and more. Knowing how to troubleshoot and diagnose problems with these motors is an essential skill an HVAC technician must possess.
As the popularity of variable-speed technology increases, many manufacturers are bringing new products to market to meet consumer and OEM demands. Here are a few of the latest HVAC motor-related products available on the market.
While older circulator pumps utilized single-speed motors and were largely inefficient, advances in motor technology, controls, and pump design have transformed the market and ushered in a new era of highly efficient products that feature variable-speed motors, easy installation and setup, remote connectivity, and more.
DOE recently amended Section 431 of the federal energy code covering the efficiency of electric motors
November 20, 2015
The National Electrical Manufacturers Association (NEMA) Motor & Generator Section will host a second series of webinars in December related to the U.S. Department of Energy’s (DOE’s) motor regulation, which will take effect on June 1, 2016.