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Smart Air Handler using ProMPT™ and the PIC18F2539
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Smart Air Handler using ProMPT™ and the PIC18F2539
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Smart Air Handler using ProMPT™ and the PIC18F2539
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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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Microcontrollers (MCU) are complete computer systems on a chip. They combine an arithmetic logic unit (ALU), memory, timer/counters, serial port, input/output (I/O) ports and a clock oscillator.
Specialty microprocessors and microcontrollers are specialty or proprietary products and accessories related to microprocessors and microcontrollers.
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Topics of Interest
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)
AC and DC motors are the two major types in use today that are related to the industrial and HVAC applications. These motors provide the speed, torque, and horsepower necessary to operate the... (Read More)
INTRODUCTION We saw in Chapter 6 that the induction motor can only run efficiently at ow slips, i.e. close to the synchronous speed of the rotating field. The best method of speed control must... (Read More)
INTRODUCTION In this chapter the common feature which links the motors is that they are all a.c. motors in which the electrical power that is converted to mechanical power is fed into the stator,... (Read More)
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