When you need a motor for an application, you may not know if a brushless DC motor or stepper motor is best. In principle, both types are permanent-magnet synchronous motors. The difference is in their specific characteristics and mode of operation. BLDC Motors Brushless DC motors are highly reliable and efficient, and have a high power-to-volume ratio. This high-power motor can deliver large amounts of torque over a range of speeds. BLDC motors are electronically commutated constantly changing the waveforms being delivered to a wound stator. Brushless motors with an outer rotor tend to operate at lower speeds and have…
DIY Home Improvement: Powering Up with BLDC Motors [Infographic]
Thanks to brushless DC motors, tackling home improvement projects is simpler than ever. On average, over half of the adults in the U.S. tackle a DIY project each year. Because of BLDC motors, power tools have longer run times on a single battery charge, are more compact, lighter in weight, more powerful, smarter and last longer. This infographic explores trends in home improvement projects across America, the power tools used and the evolution of brushless DC motors. When you partner with Sinotech for your brushless DC motor needs you’ll reap the benefits of working with a dedicated, knowledgeable company with…
Understanding Refrigeration Applications & BLDC Motor Control
Refrigeration applications largely depend on the capabilities of the compressor, which compresses the refrigerant, and the cooling fan that blows air through and evaporator. As energy policies and market needs change, designers look to BLDC motors for efficient, low-maintenance and quieter solutions. How Refrigerators Work Refrigerators with permanent split capacitor (PSC) single-phase induction motor compressors turn on when the temperature in the refrigerated compartment reaches a certain point. When the refrigerator reaches the set temperature, the compressor turns off. The compressor is generally noisy and draws a large starting current, which may cause a dip in voltage in the main…
Sinotech Custom Motors: Embedded Logic in Brushless DC Motors
Sinotech is happy to announce that embedded logic inside brushless DC motors is a reality. By embedding custom logic circuits inside the motor, the complexity of the system decreases along with its related costs. How Embedded Logic Works An embedded controller brushless DC motor used two donut-shaped circular boards. You could find the drivers on one or both of the boards along with three Hall Effect sensors sharing space on one of the boards if it doesn’t have a board of its own. The boards get stacked close together and use headers to connect them. Benefits for BLDC Motors Until…
Trends in Energy-efficient Brushless DC Motor Controller Design
Energy efficiency has become a vital judging criterion for products, from automotive machinery to home appliances. As a result, this aspect is considered in the development processes now, more than ever before. Although there is no absolute sure shot method to achieve this kind of efficiency, we present here the trends that have been noticed in recent past. Sensor-less Brushless DC Motors The use of sensor-less controls in brushless DC motors presents an excellent option, which is capable of delivering extremely high component power. However, there are positives and negatives of using this technology. While the use of sensor-less control…
Power Play: Radio-Controlled Models and the BLDC Motor [Infographic]
Gas-powered radio controlled vehicles have long been the norm among hobbyists, but advances in brushless DC motors have brought electric-powered models surging to the forefront. This Infographic explores brushless DC motor efficiencies, offers an intriguing timeline of RC vehicles and their uses, and looks at state of the model hobby industry.
4 Medical Advances Made Possible by BLDC Motors [Infographic]
The medical world is full of devices that wouldn’t be possible – or as effective – without the brushless DC motor. This infographic explores four medical devices aided by the BLDC motor and explains why brushless DC motors are so effective. (Click to view image at full size)
Benefits of the Three-phase Brushless DC Motor Technique
Gaining popularity through various industries, the brushless DC motor is a type of synchronous motor. The permanent-magnet rotors within the BLDC motor use electronic sensors that detect the rotor’s position and a DC supply that powers an AC signal inverter. Instead of using a traditional commutator with brushes, the BLDC motor has stator windings that get electronically commutated. The lack of a traditional commutator gives the brushless DC motor several benefits over other types of motor drive architectures. These benefits include: Higher efficiency Less maintenance Ability to operate at higher speeds Smaller sizes No voltage drops across brushes (because there…
Brushless DC Motors in Medical Applications
As the medical industry advances, so does the brushless DC motor. While connected to a DC power source, BLDC motors don’t have windings attached to the rotating shaft or armature, because this is where the magnets are. While the features brushless DC motor manufacturers integrate may seem insignificant to the lay person, the consequential benefits have helped revolutionize the medical industry. Medical Applications that Use a Brushless DC Motor Breathing devices: Positive Airway Pressure (PAP) respirators that aid in the treatment of sleep apnea have BLDC motor-powered blower fans that help regulate airway pressure. Blood clot prevention: Air pumps that…
Electric Vehicles & the Brushless DC Motor [Infographic]
The need for alternative-fueled vehicles has breathed new life into the design and availability of electric vehicles and the high-tech motors that power them. The following infographic explores their growth and the role the BLDC Motor has played in their development. (Click to view image at full size)
