News & Knowledge

The HVAC market has seen growing interest in Permanent Magnet synchronous Reluctance Machine (PMsynRM) motors. Economical, quiet, and free of rare earth materials, these motors are a great alternative for numerous HVAC applications in different markets.   That is why we are pleased to announce that OJ Electronics DV drives can now power the PMsynRM …

Read more

We are pleased to announce that all OJ Electronics DV, DC and DRHX drives and MRHX motors are now certified as ignition-protected components. In the United States, Canada and other countries that use the UL standard, this means these products are in compliance with UL 121201 Class I, Division 2. In Europe, the products are …

Read more

When it comes to powering rotary heat exchangers in a HVAC system, geared motors are the traditional choice. They accommodate a very wide power range, they can deliver very high torque, they are efficient under heavy loads, and they’re widely available from many suppliers worldwide.   In recent decades, however, stepper motors have been become …

Read more

Heat exchangers are used to improve the efficiency of HVAC systems in most parts of the world. In regions such as Europe, their use is near-universal, as high energy prices make energy-efficiency not just a “nice to have,” but imperative for profitable operation.   In parts of the world where energy prices aren’t so high, …

Read more

This year, OJ Electronics celebrates thirty years of developing and making drives for the ventilation business. We take a look at how it all began - and how we arrived at the exponential growth that has seen OJ Electronics sell more than a million drives so far. A figure that promises to rise steeply in …

Read more

On February 7, 2024, the European Union updated its F-gas Regulation, which governs the use of fluorinated greenhouse gases (F-gases) in AHU and other systems. This will impact the design choices you make starting almost immediately. We hope this short article will help you as you design tomorrow’s compliant air-handling solutions. F-gas Basics and the …

Read more

What is most important to you when selecting controllers for your AHU systems? Adaptability? Affordability? Standing out from the crowd? Something else entirely? Here, we explore the relative merits of programmable and configurable controllers in detail. The choice between programmable and configurable controllers can play a crucial role in determining the cost-efficiency, flexibility, adaptability, and …

Read more

Ultra-low harmonic drives have many benefits: they bring you easy, cost-effective decentral compensation for harmonic distortion, ensuring full safety while saving on power and capital costs alike.Everyone in the business knows that modern technology has made harmonic distortion a growing issue. We also know the problems it can cause: Overheated cables, fuses, and breakers Nuisance trips …

Read more