Harmonic Calculator

This application is your tool to estimate the total harmonic current in your electrical system and to calculate your need for active harmonic filtering to reach the desired compensation level. The application prints the summary of the results on the web page and sends a more specific report to your e-mail.

Personal information

Please provide your name, company and a valid e-mail address to deliver the report to.

System and supplying transformer information

Please provide basic information of the electrical system and the supplying transformer. Please do not use thousand separators.

4W or 3W connection:

Select 4-wire connection if the neutral wire is in use (4W by default).

Capacitor bank:


Current reference:

You can provide a current reference for TDD evaluation. Otherwise the reference is calculated automatically.

Elevation:

If the installation site is at an altitude higher than 1000 m above sea level, please choose the the elevation from the drop-down list. If the elevation is above 3000 m, please make an inquiry to our sales directly.

Compensation

Please select the desired compensation level:

Do you have existing Merus Active Harmonic Filters?

Loads

Do you have power quality measurements?

Choose from example VSDs or enter the amount of the load only with a typical spectrum?