Cast iron body electric motors are noticeably heavier than their aluminium-bodied counterparts. In the field this weight provides a great advantage as mechanical strength and vibra... More Details
When you place an IE5 synchronous reluctance (SynRM) motor next to an asynchronous motor of the same power, they look mechanically similar; however, their electrical behaviour diff... More Details
In an electric motor order, there is a detail as practically important as power, speed, frame size and mounting position but most often noticed at the last moment: the orientation ... More Details
When ordering an electric motor, there is one piece of information as important as power, speed and frame size but often overlooked: the mounting position, that is, the IM code. Th... More Details
When people think of pumps, centrifugal pumps usually come to mind; however, positive displacement pumps are used in applications requiring high-viscosity fluids, precise flow and ... More Details
Star-delta starting is one of the most common methods for reducing starting current in medium and large asynchronous motors. However, the success of this method often depends on a ... More Details
In crusher and stone-crushing plants, the main crusher is usually driven by a V-belt and pulley system rather than a direct coupling. There are two reasons for this: the crusher sh... More Details
Frequently starting and stopping a motor to position, align or run it in short pulses (jogging or inching) is a far more demanding regime for the motor than it appears. At every st... More Details
When deciding which motor to replace in a facility, most operators rely on guesswork: "This motor is old, it must be inefficient" or "This line must be drawing a lot of electricity... More Details
A screw air compressor is one of the longest-running pieces of equipment in most facilities; it often runs continuously at full load 16–24 hours a day. For this reason, selecting t... More Details
When a cast iron framed electric motor runs in a humid or outdoor environment, water can build up unnoticed inside the frame. This water does not enter from outside; it forms from ... More Details
Building a geared drive with an IE5 synchronous reluctance (SynRM) motor is the most effective way to benefit from both ultra-premium efficiency and the high torque that low output... More Details
One of the most common solutions for moving air in ventilation ducts is the duct-type (in-line) axial fan. These fans consist of an impeller placed in a circular housing and an ele... More Details
When you start an asynchronous motor, at the first instant it draws a current from the grid far above the rated current; this inrush (starting) current rapidly heats the winding un... More Details
The frequency drive (VFD) is the most common way to adjust the speed of an asynchronous motor, and it delivers major energy savings in applications such as pumps, fans and conveyor... More Details
When you buy an electric motor and bring it to your plant, connecting it straight to the machine and running it can be one of the most expensive mistakes. A motor that has been str... More Details
Dewatering is one of the most critical yet least discussed systems in mines and quarries. Water that collects in galleries, on the overburden bench or at the pit floor becomes a sl... More Details
Does "IE3" on a motor's nameplate guarantee that the motor is really in the IE3 efficiency class? The answer is yes if there is a test and a certificate behind the nameplate, and o... More Details
When a plant invests in an IE3 or IE4 high-efficiency motor, the expectation is clear: less loss, a lower energy bill. But even when the motor is correctly chosen, if the quality o... More Details
Plastic extruders and continuous process lines are among the most demanding applications for an electric motor: the motor turns 24 hours a day, often seven days a week, at a high a... More Details
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