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Smart Air Handler using ProMPT™ and the PIC18F2539

From Microchip Technology, Inc.
 

 
In many heating, ventilation, and air conditioning (HVAC) applications, air handler motors are either off, or on at full speed. However, by adding variable speed control to the air handler, significant energy savings over the standard on/off control can be realized, resulting in significantly reduced cost of operation. This application note discusses the implementation of a variable speed air handler that utilizes a single phase AC induction motor. The task of designing the variable speed air handler is greatly simplified by using the Microchip Programmable Motor Control Processor Technology (ProMPT) Single Phase Induction Motor Control Evaluation Kit and the PIC18F2539 microcontroller.
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Topics of Interest
An industrial instrumentation control engineer would shudder if asked to control the typical variable volume air handler, shown in Fig. 1, with the control hardware the HVAC industry is accustomed to... (Read More)
3.1 Introduction The HVAC systems of commercial and residential buildings are designed to ensure both adequate ventilation and occupant comfort. The volume flow rate of air through the HVAC system... (Read More)
Single-phase induction motors are extensively used in appliances and industrial controls. The Permanent Split Capacitor (PSC) single-phase induction motor is the simplest and most widely used motor... (Read More)
TYPES OF MOTORS Alternating-Current Motors SQUIRREL-CAGE INDUCTION MOTOR  By far the most common motor used to drive pumps is the squirrel-cage induction motor (Figure 1). This motor consists of... (Read More)
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