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İrem Şen
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.
İrem Şen — Articles
Project-Based Bulk Electric Motor Supply: A Process Guide for Contractors and Engineering Firms
For a contracting, EPC or engineering firm, project-based electric motor supply is an entirely different process from buying a single motor. Here, tens or sometimes hundreds of mot... More Details
Electric Motor Fan Cowl and Protection Guard Selection: Dust, Finger Guard and Textile Lint Protection
On an electric motor, the fan cowl and protection guard often look like a small line in the catalogue, yet they directly determine the motor's lifetime, operating temperature and o... More Details
Electric Motor Cable Connection and Cable Lug Selection: Terminal, Tightening Torque and Cross-Section
It does not matter how high quality an electric motor is if the terminal connection is not made correctly. A significant share of motor failures and fire risks comes not from the m... More Details
Electric Motor Grounding and EMC: Shielded Cable, Bearing Current and Correct Connection in VFD Systems
Taken on its own, grounding an electric motor looks simple: the frame is connected to earth and safety is ensured. But once the motor is driven by a variable frequency drive (VFD),... More Details
Motor Rated Voltage and the 50/60 Hz Difference: Effect on Speed, Power and Torque for Correct Ordering
When ordering an electric motor, the voltage and frequency values on the nameplate are the most fundamental data determining where and how the motor will operate. In Turkey and Eur... More Details
Electric Motor Bearing Greasing: Grease Type, NLGI Consistency and Lubrication Interval
The most critical mechanical component determining the life of an electric motor is the bearing, and the bearing's life depends directly on correct lubrication. The majority of mot... More Details
Positive Displacement Screw/Lobe Pump Motor Selection: Constant Torque and High Pressure
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
Asynchronous Motor VFD and Harmonic Heating and Bearing Currents: Symptoms, Risks and Protection
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
Motor Protection Circuit Breaker (MPCB) Selection and Setting by Rated Current
One of the most critical devices protecting an electric motor is the motor protection circuit breaker (MPCB). An MPCB combines both overload (thermal) and short-circuit (magnetic) ... More Details
Liquid Resistance Starter (LRS) and Slip-Ring Motor on Large Crushers: Soft Start at High Inertia
The most demanding moment in driving a large crusher or mill electrically is the first start after the machine has stopped. Tonnes of rotating mass, the flywheel and the crusher j... More Details
Electric Motor Lifting Eyebolt, Weight and Safe Handling: Crane Lifting and Pre-Mounting Checks
When an electric motor arrives on site, the first critical step before installation is lifting it and moving it into place safely. Especially in medium and large-power cast iron bo... More Details