Home
Global Supplier Directory
APPLIANCE Engineer
Supplier Solutions
APPLIANCE Line
Whitepaper Library
Calendar of Events
Association Locator
Contents Pages
Market Research
Subscription Center


 
   
issue: October 2007 APPLIANCE Magazine - Part 2: Motors & Air-Moving Devices

Motors & Air-Moving Devices
Motor Selection for Appliance Design


 Printable format
 Email this Article
 Search

Engineers involved in the design and manufacture of products in the appliance industry are increasingly faced with new state and federal regulations governing the energy efficiency of the products they are designing.

As many of these products require motors for a wide variety of applications, the engineer is faced with the problem of determining the most energy-efficient motor while at the same time designing a cost-efficient product to meet market pricing.

In order to provide the most energy-efficient and cost-efficient motor, it is helpful to have a good understanding of the various types of motors available in the marketplace, along with their relative cost. The table provides a comparison of the more common motors used in the appliance industry.

An ac three-phase motor can produce efficiency in the 70–90% range but has not been included in the above table because most appliances are run on single-phase ac.

*“EC” motor refers to any motor that is electronically commutated, but in most instances it is actually a brushless dc (BLDC) motor. In some motors, the electronics are integral to the motor itself and can be attached directly to ac. In other cases, the motor electronics are packaged with an existing circuit board in the appliance and the motor is a lower-cost 12-V-dc brushless motor with a small circuit board attached to house the Hall devices (for commutation).

The challenge facing the appliance engineer is to select the best option that provides the lowest-cost device while meeting the energy standards mandated by government regulation. In addition to the motors shown in the table, there are many other motor types (stepper motors, dc servomotors, variable-reluctance motors, etc.).

This information provided by Roger E. Hollis, board member of SMMA—The Motor & Motion Association and vice president of sales for ElectroCraft Inc. SMMA provides motor-related courses such as “Motor Fundamentals for Appliance Engineers,” through the SMMA Motor & Motion College. Visit www.smma.org for more information.

 

Daily News

...........................................................

Sep 19, 2014: Builder confidence at highest level since Nov. 2005

Sep 19, 2014: Builders Show, Kitchen/Bath Show, and 3 other events converge for 2015 Design & Construction Week

Sep 19, 2014: GE Appliances supporting Susan G. Komen

Sep 18, 2014: AHRI at White House unveils $5 billion refrigerant R&D plan

Sep 18, 2014: Solar microinverter market could break $1 billion by 2018

More Daily News>>

RSS Feeds
.........................................................
Appliance Industry
Market Research

...........................................................

March 2014: Market Research - 62nd Annual U.S. Appliance Industry Forecast
February 2014: Appliance Magazine Market Insight: December 2013
January 2014: Market Research - Appliance Historical Statistical Review: 1954-2012
January 2014: Appliance Magazine Market Insight: November 2013




 
Contact Us | About Us | Subscriptions | Advertising | Home
UBM Canon © 2014  

Please visit these other UBM Canon sites

UBM Canon Corporate | Design News | Test & Measurement World | Packaging Digest | EDN | Qmed | Plastics Today | Powder Bulk Solids | Canon Trade Shows