International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 11 Issue: 06 | Jun 2024
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p-ISSN: 2395-0072
Energy Efficient BLDC Fan Akshay Rathod, Pranav Muley, Mrs. Aparna More ENTC Department pes Modern collge of engineering, Pune
---------------------------------------------------------------------------***--------------------------------------------------------------------------Abstract – An electronic commutation system, as opposed to a mechanical commutator and brushes, powers a brushless DC (BLDC) motor, which is a synchronous electric motor that runs on direct current (DC) electricity. In BLDC motors, current to torque and voltage to rpm have linear relationship. This linearity provides an excellent opportunity to use the BLDC motor in conventional ceiling fans. This project seeks to practically implement a BLDC motor as a ceiling fan and introduce several BLDC fan speed control methods. This fan is implemented with three different modes of operations-manual mode, auto mode, remote control mode. In manual mode, speed is controlled by potentiometer. In Auto mode, the speed of fan is automatically changed as per room temperature, for this LM35 sensor is used. In Remote control, mode the speed can be adjusted by remote controller device. IR sensor is used for remote control operation. Keywords-Brushless DC (BLDC) motors, ceiling fans, energy efficiency, electronic switch controller
I.INTRODUCTION In the fast-growing era of 21st century where power consumption is at its peak due to heavy industrial revolutionization and urbanization in India, lot of power is consumed as compared to its generation. To counter this, fans with BLDC were introduced, so as to generate a greater output with very less input power. According to recent studies residential sector has become the topmost power consuming sector due to various factors like day-day home appliances. After a thorough study on residential power uses, it has been discovered that alone ceiling fan consumes 7% of total power supply which is more than combined power consumed by TV and fridge. The main purpose of our project to reduce power consumption of fan by 50% without interrupting the performance and features. A brushless DC (BLDC) motor is a synchronous electric motor that operates on direct current (DC) electricity and features an electronic commutation mechanism in place of a mechanical commutator and brushes. Current to torque and voltage to rpm in BLDC motors are linearly related. This linearity offers a great chance to employ BLDC motors in traditional ceiling fans. This study offers the actual power measurements in contrast to ordinary ceiling fans, as well as the practical installation of such BLDC motor for ceiling fan application.
II.LITERATURE SURVEY In [1], V. Champa et al. highlights the drawbacks of induction motor (IM) ceiling fans, such as consumption of power and limited control. BLDC motors are introduced as a solution, offering energy efficiency, reliability, and precise speed control. Adopting BLDC ceiling fans in homes can save a significant amount of energy; high voltage BLDC fans with active boost power factor correction (PFC) for increased efficiency are the subject of this discussion. the BLDC motor control schemes, distinguishing between sensor-based and sensor-less methods Techniques for align and go, sluggish first cycle, and initial position detection are among the many sensor-less control approaches covered in detail. The features of sensor-based and sensor-less BLDC motor control are compared in a table. In [2], Tahir Izhar et al. The global energy crisis and the need for energy efficiency and conservation at both micro and macro levels are described. It emphasizes the importance of integrating energy-efficient technologies into basic domestic electrical appliances, with a specific focus on ceiling fans. Conventional ceiling fans with single-phase induction motors consume a significant amount of electricity, approximately 80 watts. These fans contribute significantly to residential electricity consumption, especially in warmer regions. In [3], Sushrut Manu Singh et al. The performance of a regulated rectifier with several DC-DC converter-based systems in order to determine how effective it is in driving a Brush less DC (BLDC) motor for ceiling fans. The suggested model includes proportional-resonant (PR) control for the rectifier and closed-loop control for the BLDC motor, which includes speed and hysteresis current regulation. To validate the suggested model, the study comprises simulations run on the MATLAB/SIMULINK platform. The outcomes show increased speed and torque control throughout a range, as well as an improved power factor. Brushless DC motors are becoming more and more popular for use in electric vehicles, HVAC
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