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How does using a variable speed drive reduce energy consumption?

KB Electronics, Inc. Manufacturer of AC Drives, DC Drives & Variable Speed Controls

 

Installing a variable speed drive allows direct control of the motor output speed to meet the application demands. As the speed is reduced, the power required decreases. By operating the system at the lowest possible speed required for the application, energy consumption is reduced.  For example, at 80 percent speed, only 51 percent of full load power is required to drive a pump or a fan. 

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Variable Frequency Drive (VFD) for a Commercial Convection Oven

KB Electronics, Inc. Manufacturer of AC Drives, DC Drives & Variable Speed Controls

 

Application:

A convection oven utilizes a stirring fan to circulate heated air which substantially reduces cooking time. The customer was purchasing an expensive drive manufactured in Europe which they desired to replace with a low cost drive manufactured in the USA. In the application, the drive receives serial communication commands from a PLC that provides the user with various cooking recipes. A standard drive could not be used because the communication protocol, although similar to Modbus, was unique and proprietary.

KB Solution:

The low cost KBVF Series VFD, with the DIDF Serial Communications Module, was chosen for this application. KB engineers were able to decode the proprietary serial communications protocol and reprogram the standard DIDF Communications Module.

The result was exactly what the customer desired-a low cost VFD assembled in the USA with proprietary serial communications. 

Spring 2014 Training Dates

KB Electronics, Inc. Manufacturer of AC Drives, DC Drives & Variable Speed Controls

We are pleased to announce the availability of training at our Coral Springs factory this spring. Training includes Penta Power and KB Genesis products. Training sessions are held in our on-site classroom. This classroom is equipped with lab benches and offers “hands on” learning of models of our speed controls, complete with metering and motors. Each class can accommodate up to eight students.

The two day class includes the basics of AC & DC motor speed controls. The course covers all our models, VFD, SCR, PWM and Battery. An agenda for the class can be found on the following page. Tours of the KB Factory and Engineering Department are also included.

This training is designed for outside and inside distributor sales personnel. The students will learn how to specify and sell all of our products. Extensive discussion of typical applications will be included. Course materials given to students will include distributor binders.

Training Dates:

March 6 & 7, 2014   Thursday 8:30AM to Friday 3:00PM

April 3 & 4, 2014    Thursday 8:30AM to Friday 3:00PM

May 1 & 2, 2014    Thursday 8:30AM to Friday 3:00PM

Additional Details

Low Cost Variable Speed Controls

KB Electronics, Inc. Manufacturer of AC Drives, DC Drives & Variable Speed Controls

Advertisement for Triac Fan Controls in Appliance Design magazine. 

 

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Hybrid AC Motor Drives

KB Electronics, Inc. Manufacturer of AC Drives, DC Drives & Variable Speed Controls

Advertisement for Hybrid AC Drives in Design World magazine.

 



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