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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

In ventilation projects, duct-type (in-line) axial fans are practical and efficient solutions that provide flow directly inside the duct by being placed in the middle of the air ch... More Details

When selecting an asynchronous motor, most people look only at its power and speed; yet how often the motor stops and starts is a criterion at least as decisive as power. At every ... 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

The quality of a cast iron framed electric motor is hidden not only in its winding and efficiency class but in how its frame is machined. Two motors with identical catalogue values... More Details

IE5 synchronous reluctance (SynRM) motors run noticeably cooler than asynchronous motors of the same rating. The main reason is the rotor design: a SynRM rotor has no cage bars, no... More Details

The most common problem encountered in wastewater and sewage transfer is the pump clogging. Fibres, pieces of cloth, wet wipes, plastic and other solid waste wrap around the impell... More Details

When you disconnect an asynchronous motor from the mains, it does not stop instantly. The rotor and the load attached to it keep turning because of the kinetic energy they carry. A... More Details