New technologies are constantly arriving in the refrigeration sector. From time to time, we’ll take a look at some of those advancements. This article will focus on developments in motors and ice machines.
Lafert North America’s High Performance Metric Motors are aimed at commercial applications that require high dynamic performance, offering superior efficiency over standard ac induction motors, says the company.
Emerson is introducing an expanded line of self-tensioning motor bases to its Browning product offering. These bases promote maintenance-free sustainment of drive efficiency.
NovaTorque is introducing new higher 7.5 hp and 10 hp models of its PremiumPlus+™ motors. The 7.5 hp and 10 hp versions, driven by variable frequency drives, boast motor-only rated point efficiency of over 94 percent.
To minimize motor imperfections, contractors must stress the importance of a comprehensive inspection, properly identify and diagnose the root cause of the deficiency, and be able to explain the failure to customers in terms they’ll understand.
Loose electrical connections to motor terminals can cause voltage drop, overheating, and a chance of fire. For three-phase motors, a loose connection can cause single phasing — which will damage the motor.
MARS, a leading commercial and residential HVACR motors and components supplier, announced that it has acquired Heat Controller Inc., Jackson, Mich., a leading commercial and residential HVAC equipment supplier.
Demand in the United States for electric motors is expected to increase 4.6 percent annually through 2017 to $14.4 billion, accelerating from the pace of the 2007-2012 period, when nearly every major market for these devices struggled.
