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Application note: Global vs Local Compensation

This application note describes the benefits of global compensation over local compensation of harmonics in plants with numerous large variable speed drive, such as water treatment plants. By carefully applying global compensation instead of local compensation, a solution with a certain degree of redundancy is usually significantly more cost efficient. The results are general and does not only apply only to water treatment. It is also demonstrated that by carefully sizing a system, oversizing can be avoided.


Application Note

EN Global vs Local Compensation