Understanding VFD De-rating​ скачать в хорошем качестве

Understanding VFD De-rating​

The term de-rating a drive implies that a VFD is intentionally oversized to be used in an application that requires less power. If a drive isn't properly oversized and de-rated when appropriate it can result in your your drive overheating or even pre-mature failure! In this video, you will learn the different reasons why you would de-rate a drive as well as guidelines on how much the drive should be oversized by to ensure your VFD will work in your application for years to come. 00:00 Introduction 00:38 Agenda 01:05 De-rating Definition and explanation why 03:37 Altitude 11:54 Temperature 15:37 Temperature and Altitude Combined 18:53 Carrier or Switching Frequency 23:09 Input Voltage 26:29 Combined De-rate example 30:35 Summary