Crusher and stone-crushing plants are among the toughest sites for electric motors. Alongside dust, vibration and shock loading, the most sudden and destructive threat, often overl... More Details
45 kW and 55 kW motors sit in industry's most in-demand medium-to-high power class. Frequently found in pumps, fans, compressors, conveyors, crushers and line drives, these ratings... More Details
When an induction motor must be placed far from its supply, the cable length is a parameter often overlooked yet it causes two separate, serious problems. The first, in grid-fed sy... More Details
Motors in the 560 kW and 630 kW class sit at the upper limit of the low-voltage induction motor world. At these ratings you are no longer making an ordinary purchase but managing a... More Details
Stopping a pump or fan motor looks trivial at first glance: you cut the power and the motor stops. Yet on large-diameter pipelines, high-head centrifugal pumps and heavy-impeller f... More Details
Buying a high-efficiency motor is only one part of energy saving. Whatever voltage the motor is supplied with in the field, its real efficiency is shaped by that voltage. Most plan... More Details
In electric motors running on a variable frequency drive (VFD) there is a danger invisible to the eye that quietly kills the bearing: bearing current. The drive's fast switching cr... More Details
The synchronous reluctance motor (SynRM), one of the strongest representatives of the IE5 (Ultra Premium) efficiency class, stands out by offering high efficiency and high torque d... More Details
In high-power applications, motor selection demands far more engineering than for small powers. At ratings such as 90 kW and 110 kW the motor is no longer a "shelf product"; it is ... More Details
In heavy-industry applications where high power and high torque density are demanded together, the ability to reject the losses a motor generates is often the factor that limits th... More Details
Crusher (stone crushing) plants present one of the harshest working environments in industry: high impact loads, constant dust, heavy oscillations and long running hours. Under the... More Details
In electric motor supply, demand concentrates heavily in the small-to-medium power band, and within this band the 2.2 kW IE3 motor, the 3 kW IE3 motor and the 4 kW IE3 motor are by... More Details
One of the most frequently misunderstood concepts in induction motor selection is the service factor (SF). Appearing as a small number on the nameplate, this value defines the shor... More Details
The small-power band, comprising 0.55 kW, 0.75 kW and 1.1 kW electric motors, represents the most frequently demanded range across industrial, agricultural and commercial applicati... More Details
Fan selection in air handling units and ventilation systems has undergone a fundamental change in recent years. Traditional scroll-housing fans are increasingly being replaced by f... More Details
Buying a high-efficiency motor is only the beginning of the saving. The IE3 or IE4 efficiency value printed on the nameplate belongs to the new motor leaving the factory. Yet as th... More Details
Stopping an electric motor is often a more demanding engineering problem than starting it. In applications where free coasting is not enough and the machine must stop in a very sho... More Details
Explosive atmospheres are one of the most sensitive areas of electric motor selection. In facilities containing gas, vapour or combustible dust, a motor's surface temperature, spar... More Details
In small-power induction motors, efficiency is the parameter most often overlooked yet most impactful over the long run. Motors that fit IEC 80 and 90 frames, such as 0.75 and 1.1 ... More Details
In a high-power electric motor, the vast majority of failures originate not from the windings but from bearings that are not properly lubricated. Especially in cast-iron-housing mo... More Details
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