As a junior content writer at HEM Motor, she prepares content on the fundamentals of asynchronous motors and on purchasing and procurement processes. With about three years of experience, she focuses on explaining the subject in its simplest form to readers buying a motor for the first time. Step by step she explains the operating logic of the three-phase asynchronous motor, the relationship between pole count and speed, star and delta connection types, and how to read the rated values on the nameplate. From the buyer's perspective she covers what to watch for when selecting the right motor and which technical details to ask about during procurement. With a new-generation viewpoint she simplifies technical topics; drawing on the knowledge of the manufacturing and technical teams, she aims to offer practical, understandable and accurate content that helps readers confidently choose the motor suited to their needs.
An electric motor's mounting position determines not only how it connects to the machine but also how the motor's bearings are loaded. When a motor is mounted vertically and receiv... More Details
An asynchronous motor may be selected at the right power, the right speed and the right mounting type; yet the drive train may still experience unexplained vibration, coupling fail... More Details
In applications that require precise speed and torque control of asynchronous motors, the control method of the frequency inverters (VFD) that manage speed and torque is of great i... More Details
When you connect an asynchronous motor directly to the grid and start it (DOL — Direct On Line), the motor instantaneously draws a starting current several times higher than its ra... More Details
Restarting a motor after it has stood still for months, or even years, demands as much care as buying a new motor. Seasonal facilities, standby pumps, motors stored long-term in a ... More Details
Knowing an asynchronous motor's power and speed is often assumed to be enough for correct selection; yet what really determines whether the motor will stay stable under a load and ... More Details
When the rotor of an asynchronous motor cannot turn because of an unexpected mechanical obstruction, or cannot overcome the load on starting, locked-rotor current flows through the... More Details
Asynchronous motors are generally designed to be supplied from a strong, stable grid voltage. However, on construction sites, mining areas, agricultural irrigation facilities, ship... More Details
An engineer working in a press shop or a sheet-metal line knows very well how a motor behaves at the moment of impact. The instant a guillotine shear blade cuts the sheet, or an ec... More Details
In screening, feeding, discharging and compaction applications, the most critical component that moves material in a controlled way is the asynchronous vibrator motor. Unlike a con... More Details
When you purchase a squirrel-cage asynchronous motor, the rated torque and efficiency class printed in the catalogue matter, but so does how the motor behaves during start-up. Some... More Details
One of the most important factors determining the real life and reliability of an asynchronous motor is a correct understanding of its thermal behaviour. The power value on the mot... More Details
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