{"id":2284,"date":"2019-04-25T19:10:29","date_gmt":"2019-04-25T19:10:29","guid":{"rendered":"https:\/\/ojelectronics.com\/drives\/?p=2284"},"modified":"2026-08-10T13:56:02","modified_gmt":"2026-08-10T12:56:02","slug":"oj-drives","status":"publish","type":"post","link":"https:\/\/ojelectronics.com\/drives\/news-heat-recovery\/oj-drives\/","title":{"rendered":"The new alternative for rotary heat exchangers"},"content":{"rendered":"The DRHX is the next generation drive for rotary heat exchangers \u2013 based on all-new technology. The DRHX series covers the range from 2Nm to 14Nm with both modbus and analogue control. You can even get a version with a 3x7-segment display.

All-new technology for rotary heat exchangers<\/h2>\n

The next generation drive for rotary heat exchangers is here. It is based on all-new, patented technology including a field oriented sensorless motor control combined with a stepper motor.<\/strong><\/p>\n

Combining a high-torque stepper motor with field oriented sensorless control brings you a unique new solution \u2013 and great efficiency. The drive uses the feedback signal from the motor to ensure that the motor gets exactly the level of current required to achieve the desired speed and torque.<\/p>\n

The closed-loop control makes it possible to detect the motor load, and a sophisticated software algorithm allows the drive to detect rotor rotation, eliminating the need for a physical rotation monitor. In brief, field oriented sensorless motor control makes operation more silent, more accurate and more energy-efficient.<\/p>\n

The OJ DRHX product range covers the full range from 1Nm to 14Nm in three drive power sizes (55W, 220W and 690W). Four different MRHX steppers motor sizes are available to ensure optimum use of application workspace.<\/p>\n

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