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Selin Korkmaz
As senior content editor at HEM Motor, she specialises in energy efficiency with over twelve years of industry experience. She explains where the IE3, IE4 and IE5 efficiency classes make a difference and how iron, copper, friction and ventilation losses affect motor performance, in technical yet accessible language. She addresses the balance between the investment cost and the operating cost of high-efficiency three-phase asynchronous motors through a total cost of ownership (TCO) approach. Drawing on real field examples, she shows how efficiency-class choice impacts energy consumption in cement, water treatment, industrial-zone and continuously running pump and fan applications. Working with the manufacturing and technical teams, she prepares reliable content that guides buyers toward the right motor for both performance and long-term operating economy.
Selin Korkmaz — Articles
Electric Motor Supply to Manisa MOSB and Organized Industry: Appliance and Food Lines
Manisa Organized Industrial Zone (MOSB) is one of Turkey's largest and most established organized industrial zones. This basin, dense with appliance and electronics supply industry... More Details
Casting Quality in Cast Iron Motors: Porosity, Wall Thickness and Judging Quality at Purchase
The single most important yet hardest-to-see difference that separates one cast iron motor from another is casting quality. Two motors can share the same IEC frame size, the same k... More Details
Boiler Feed Water Pump Motor Selection: High Pressure, Hot Water and Correct Power for Continuous Duty
Selecting the motor for a boiler feed water pump is a far more critical engineering decision than choosing a motor for an ordinary centrifugal pump. A boiler feed water pump draws ... More Details
Cast Iron Motor Shaft Height (H Dimension) and Axial Alignment for Correct Replacement and Coupling Mounting
When replacing a cast iron framed motor or coupling it to a drive, the most frequently overlooked yet most critical dimension is the shaft height, that is the H dimension. The H di... More Details
Chemical and Acid Transfer Pump Motor Selection: IP Protection and Materials in Corrosive Processes
In chemical, pharmaceutical, water treatment and surface-finishing plants, transfer pumps that carry acids, bases, solvents and corrosive chemicals work in one of the harshest envi... More Details
Cast Iron Motor RAL Color and Custom Paint Selection: Customer Coding and OEM Branding Requests
Cast iron body electric motors are painted in a specific shade of grey as standard; however, for many projects, OEM machine builders and bulk buyers, the colour of the motor is not... More Details
Deep Well Submersible Pump Motor: Wet vs Dry Winding, Rewindability and Supply
Drawing water from a deep well requires a special motor that operates underwater, meters below the surface: the submersible pump motor. Unlike surface pumps, this motor is lowered ... More Details
Cast Iron Motor Shaft Material and Steel Grade (C45/Alloy): Torque Transmission Strength and Quality
Even when a cast iron electric motor looks rugged on the outside, the part that actually transmits torque to the machine is the shaft. The shaft is the lifeline that carries the mo... More Details
Centrifugal and Turbo Blower Motor Selection: Power, Speed and Supply for High-Airflow Air Delivery
Centrifugal and turbo blowers are dynamic-type air machines that deliver a large volume of air at low or medium pressure. They are at the heart of high-airflow applications such as... More Details
Cast Iron Motor Flange Type (FF/FT) and Hole Dimensions: Correct Ordering for B5/B14 Mounting
If you are going to mount a cast iron motor to a gearbox, pump or machine via a flange, a single letter in the order code decides whether the motor will seat on the machine. Is the... More Details