Duane Warren

Track A: Success Stories
Fri/AM 9:00 AM - 9:30 AM
Senior Energy Analyst
JLL - Corporate Solutions
United States
Saving Energy Use With Variable Speed Drives and Motor Controls

Variable Speed Drives have a lot of different uses in HVAC systems. This presentation will look at three different types of VFD applications and their outcomes, ranging in size from 1/8 HP to 500 HP. Practical installation, configuration, and application advice will be discussed. Related information regarding harmonic control and vibration / noise control will also be discussed. The effects on motors and the electrical system will be examined. Sample specifications and checklists will be provided.

Duane Warren is a Senior Energy Analyst with JLL. He has over 30 years of experience in the HVAC industry in Engineering, Construction, Commissioning, Operations, and Retro Commissioning. He has a patent in Chilled Water System Optimization, and has retrofitted several dozen of these systems. He has installed energy saving measures in commercial, industrial, institutional, and educational facilities. He is currently working on platform independent Feed Forward AI control systems and heuristic Fault Detection systems.

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