Standard_Drives_Guide

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Standard Drives Buyers Guide 110 Prices and data subject
to change without notice
Capacitors, Arrestors and Harmonic Filters
Typical Applications
Use Matrix Harmonic filters to minimize harmonic current distor-
tion in these and other 6-pulse rectifier applications:
—Fans and Pumps
—Water Treatment Facilities
—HVAC Systems
—AC or DC Motor Drives
—Rectifier type welders
—Induction Heating Equipment
—UPS Equipment
—Elevators
Matrix Filter enables most AC drive systems to comply with the
voltage and current distortion limits outlined in IEEE 519. A complete
harmonic analysis and product selection tool is available on
the internet. Go to geindustrial.com and select Products, select
Capacitors, choose Matrix Harmonic Filter and then select Energy
Savings Calculator and Harmonic Estimator.
Matrix Harmonic Filters are multi-stage low pass filters specially
configured to avoid the attraction of harmonics from other
sources on a shared power system. Matrix filters will not cause
power system resonance. However, the configuration of the filter
requires that only drives or equivalent loads be loaded on the
output of a Matrix harmonic filter. One filter can be used with
multiple drives. However, if there is a drive bypass circuit, there
must be one filter per drive and the filter and drive combination
must be bypassed.
Matrix Harmonic Filters are available in a NEMA 1, NEMA 3R or
as a modular design preassembled onto panels for subsequent
assembly into customer supplied cabinet.
Product Specifications
—Input Voltage 480 Volts +/– 10%
—Ambient Temperature:
—Storage – 40°C to 90°C
—Operating – 40°C to 50°C
—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 +/– .75 Hz
—Balanced Line Voltage: within 1%
—Background Voltage Distortion: 0% THVD
Matrix Series D Harmonic Filters
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 tech-
niques, 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.
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 below 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.
Matrix D vs. 18-pulse