A frequency inverter delivers energy to the motor while accelerating it; but when you want to decelerate the motor quickly, where does that energy go? This is exactly where dynamic... More Details
The cable cars carrying thousands of passengers safely across a mountainside, or the ski-resort chairlifts turning without interruption all day long, depend on one hidden yet vital... More Details
Frequency inverters can slow an electric motor down, and they can also push it above its rated speed. However, making a motor turn faster is not simply a matter of raising the freq... More Details
The most common way to run an electric motor at the desired speed, with the right torque and with high energy efficiency is to use a frequency inverter, also known as a VFD (Variab... More Details
A biomass and pellet plant is a demanding production environment where heavy-duty machines that grind, compress, dry, and transport raw organic material come together. At every lin... More Details
A greenhouse is a living system that must continuously provide the temperature, humidity, and air movement the plant needs inside, regardless of the weather outside. What establish... More Details
The efficiency value printed on an electric motor's nameplate is a design target achieved under ideal conditions. If you want to learn how efficiently that motor actually runs in t... More Details
The majority of failures that take an electric motor out of service start not in the windings or the control board, but in its mechanical heart: the bearings. A bearing is the part... More Details
Equipment operating at sea faces a far harsher world than its land-based counterpart. Constant salt spray, high relative humidity, the changing inclination angles caused by the shi... More Details
Oil and gas facilities are industrial environments where electric motors must operate to the highest standards of reliability and safety. In the processes of refining, pumping, and... More Details
Cement manufacturing represents one of the harshest operating environments in heavy industry. From crushing raw materials to firing clinker, from grinding to packing, hundreds of i... More Details
An electric motor cannot convert all the electricity it draws into mechanical power; some of it is inevitably turned into heat. For a single motor this heat may seem small, but in ... More Details
The only reliable way to understand how efficiently an electric motor truly runs is to measure it. The efficiency value printed on the nameplate is a reference obtained by the manu... More Details
The power and efficiency values printed on an electric motor's nameplate do not, on their own, tell you how the motor will behave in the real world. A motor heats up while running ... More Details
In industrial facilities that contain flammable gases, vapors, or combustible dust, selecting an electric motor goes far beyond a simple calculation of power and efficiency. In the... More Details
A three-phase induction motor works exactly as designed when all three phases are supplied with voltages of equal magnitude and a precise 120-degree phase angle between them. This ... More Details
Belt-and-pulley drive is one of the most common ways to transfer a motor's power to a load. From a ventilator to a stone-crushing line, from a machining tool to a conveyor, many sy... More Details
One of the most critical components determining the life and reliability of an electric motor is the bearing system. This element carries the shaft, makes rotation possible and tra... More Details
The rotational speed of an electric motor follows two things at once: supply frequency, and how many magnetic poles the stator creates. As the pole count increases, the synchronous... More Details
Choosing the right electric motor is not enough on its own; the cable that feeds that motor must also be chosen correctly. A wrongly chosen supply cable becomes the weak link of th... More Details
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