Using Variable Frequency Drives and Instrumentation Without Interference
Application examples, 09/2020, AG080819 3
1 Introduction ........................................................................................................................................... 4
1.1 Objective ............................................................................................................................. 4
1.2 Equipment ........................................................................................................................... 4
1.3 Disclaimer............................................................................................................................ 4
2 Overview ................................................................................................................................................ 5
3 Variable Frequency Drive ...................................................................................................................... 6
3.1 What is a Variable Frequency Drive? ..................................................................................... 6
3.2 How does a VFD Work? ........................................................................................................ 6
4 Procedure ............................................................................................................................................... 7
4.1 What are the steps to minimize EMC issues from VFDs? ........................................................ 7
4.2 Standards Governing Electromagnetic Compatibility (EMC) of VFDs ...................................... 8