White papers and guides
Would you like a deeper insight into a particular topic? You can find our white papers and guides here.
Download Hoyer ESS whitepaper
This whitepaper explores the opportunities for energy optimisation of engine room fans and cooling pumps, and introduces Hoyer Energy-Saving System (ESS).
Video guide: SPM nipples modification
Watch how we install SPM nipples.
Video guide: Bearing modification
Watch how we modify an electric motor with new bearings.
Video guide: Heat band modification
Watch how we insert heat bands into an electric motor.
Video guide: Installation of integrated VFD
Watch how we mount an integrated VFD from KOSTAL directly on an electric motor.
Updated energy requirements for electric motors
The EU has extended the Ecodesign rules with new and more ambitious energy requirements for electric motors from 0.12 kW to 1000 kW.
Guide to getting started with VFDs
Increased energy efficiency and more precise control of speed and torque are attractive benefits of using a combined electric motor and VFD.
Guide to North American certifications
Get an overview of what UL, UR, CSA and NEMA Premium cover for electric motors, and how they correspond to European standards.
Learn more about paint systems
The correct surface treatment prolongs service life and reduces the risk of corrosion in harsh or exposed environments.
Guide: Cooling systems for electric motors
Proper cooling can mean the difference between keeping things running smoothly and experiencing a breakdown due to overheating.
Guide to medium and high voltage motors
Learn what the differences between low, medium and high voltage motors are, and how to choose the right voltage level.
Guide for soft starters for electric motors
This guide introduces the basic principles of soft starters and highlights the most important benefits of using one.