Crusher and stone-crushing plants operate not only on hot summer sites but also in cold-climate and arctic regions where winter drops to -40 °C. In crushing-screening plants in Sib... More Details
When selecting a motor in the IE3 efficiency class, only the standard enclosed (TEFC, IP55) frame usually comes to mind. Yet in high-power and special applications, the motor's coo... More Details
How many leads you see when you open the terminal box of an asynchronous motor directly determines what you can do with that motor. In three-phase asynchronous motors, the terminal... More Details
Two-speed (dual-speed) electric motors provide great flexibility in many applications such as fans, pumps, elevators and conveyors by offering two different operating speeds in a s... More Details
The most common assumption in pump, fan and blower motors is that "the higher the IP rating, the better." This is not always true. For a fan motor running indoors in a clean, dry s... More Details
A high-efficiency motor does not merely consume low energy; it also stands out by being quiet, low in vibration and long in bearing life. At the root of these qualities lies a conc... More Details
One of the most insidious mistakes made when mounting an electric motor to the floor or to a machine is soft foot. At first glance the motor seems to sit firmly; all four feet touc... More Details
When selecting a motor to operate in an explosive atmosphere, the type of protection matters as much as the efficiency class. While IE5 synchronous reluctance technology stands out... More Details
An IE4 super-premium motor is designed to run for many years without trouble thanks to its low losses and high efficiency; but to truly obtain that lifetime, you need to see the te... More Details
The real service life of a cast iron electric motor in the field is usually decided not by its winding or bearings, but by the paint and coating system wrapping its body. At a coas... More Details
A crusher motor works in dusty, shock-loaded heavy-duty conditions; and if it is also expected to produce continuous high torque at low speed with a VFD, the motor's own shaft-moun... More Details
200 kW and 250 kW are two powerful motor classes at the heart of compressors, large pumps, fans, mills and process lines in industry. These powers now fall in the range where the I... More Details
The question "soft starter or VFD" on an asynchronous motor is one of the most confused and most often wrongly decided topics in the field. Both devices give the motor a ... More Details
An 800 kW class electric motor is not an ordinary industrial motor; at this power every detail turns into a project line item. The starting method, the cooling type, the frame size... More Details
In a continuously running pump or fan motor, one variable decides bearing life above all others: getting the right amount of the right grease to the bearing at the right interval. ... More Details
When buying a high-efficiency motor it is natural to focus on the efficiency class on the nameplate (IE3, IE4, IE5); however another critical property that determines whether the m... More Details
When an electric motor is mounted vertically, with the shaft pointing down (V1 mounting) and in the open air, the most vulnerable point of the motor becomes the fan cowl sitting at... More Details
The IE5 synchronous reluctance motor sits at the summit of the ultra premium efficiency class; but the invisible hero that preserves this efficiency for years is often overlooked: ... More Details
When you bring an IE4 super premium efficient motor into a plant, there is a detail as critical as efficiency yet often overlooked: how you connect the cable to the terminal box. W... More Details
For a cast iron framed motor working outdoors, in front of a cold store, or in a high-humidity plant, the quietest enemy is not the rain outside; it is the water that condenses ins... More Details
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