Matrix Harmonic filters provide broadband reduction of harmonics. Matrix Harmonic Filters not only offer better performance over other broad band filtering and 18-pulse harmonic reduction techniques, they are also suitable for a wider range of applications. Matrix Harmonic Filters can be installed in either variable or constant torque drive applications and can be applied on either diode or SCR rectifiers. For any application other than variable torque applications, it is suggested that you contact the factory for filter selection.

Product Specifications

-Input Voltage 480 Volts ± 10 %
-Ambient Temperature:

-Storage - 40 ºC to 90 ºC
-Operating - 40 ºC to 50 ºC

-Altitude: 1000 meters maximum
-UL approved - File E191686 for U.S. and Canada

Minimum System Requirements to Achieve Performance Levels

-Source Impedance: 1.5 % minimum to 5 % maximum
-System voltage: 480 Volts (line to line) ± 10 %
-Frequency: 60 Hz ± 0.75 Hz
-Balanced Line Voltage: within 1 %
-Background Voltage Distortion: 0 % THVD

The Matrix D Filters typically achieve 5 % THID at full load and guarantee worst case current distortion at any load between 0 % and 100 %, will be 8 % THID or less at the filter input terminals. The Matrix D Series is typically used in place of applications requiring harmonic mitigation associated with 12- or 18-pulse rectifiers. The chart compares the performance of Matrix D Filters to 18-pulse rectifiers in real world applications, which include line voltage unbalance of 1 % to 3 % and loading conditions from 0 % to 100 %.

Matrix D Filter performs better than 18-pulse in normal operating conditions.

Selection Table - Matrix D, 480 VAC, 60 Hz, Three Phase, Variable Torque

Applications
Select Matrix filters based on the horsepower (or kilowatt) rating for the adjustable speed drive or the combined current rating of all motors to be connected to the load side of the filter. For variable torque, DC drive or other applications consult factory for proper filter selection.

Source Impedance
If the source impedance is less than 1.5 % impedance, it is required that an input reactor of at least 1.5 % impedance be added in order to have guaranteed performance level. For best value and performance it is recommended that a 3 % line reactor be used whenever the source impedance is less than 1.5 %.