Mehmet Yılmaz is the chief editor of the DRG Motor content team. For 3 years he has been producing content on industrial electric motors, focusing on IE3, IE4 and IE5 efficiency classes and energy-efficiency regulations. He oversees the accuracy and editorial quality of the published technical content.
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
A frequency inverter provides large energy savings by flexibly adjusting the motor's speed; but this benefit comes with an invisible side effect: electrical noise. The inverter dri... 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
There is only one sound way to understand whether switching to an efficient motor makes sense: do the math. The sentence "a high-efficiency motor saves energy" is true but abstract... More Details
One of the most vulnerable points of an electric motor is where the shaft leaves the frame. At this point a small gap must remain between the rotating shaft and the stationary fram... More Details
Before an electric motor fails, it almost always gives a warning: vibration. Bearing wear, imbalance, misalignment, looseness or electrical problems all leave a trace in the motor'... More Details
Some loads are simply too large to fit within the power of a single motor. A belt conveyor hundreds of metres long, the lifting system of a heavy bridge crane, or the drive of a la... More Details
Whenever an electric motor burns out in an industrial setting, the same question arises: should we rewind this motor or buy a new one? Rewinding is the process of stripping out the... More Details
When an electric motor runs, the job of the winding insulation is not only to carry energy; it is also to separate the live conductors from the frame, and the frame from the people... More Details
On a cold winter morning, an electric motor waiting outdoors or in a chilled warehouse meets conditions at its first start that are very different from those in a warm environment.... More Details
How quickly a motor can bring a load to the desired speed depends on a critical quantity that is often overlooked yet determines both the starting behavior and the life of the moto... More Details
The insulation of large-power electric motors ages silently and over the years. This aging is usually invisible from the outside, until one day the winding insulation collapses and... More Details
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