Whitepaper: How to measure and reduce common mode EMI in electric drive installations

Electric machines are often driven by power electronic converters. Even though the use of converters brings with it a variety of advantages, common mode (CM) signals are a frequent problem in many installations. It is essential to measure the common mode quantities in order to take suitable countermeasures. This whitepaper discusses a simple, reliable and accurate way to do so and the effectiveness of different countermeasures.