Schaffner Group
User and Installation Manual
Ecosine
max
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i.
Ecosine max passive harmonic filter
Ecosine max product highlights
Schaffner ecosine max passive harmonic filters are configurable products which provide a tailored so-
lution to each specific problem of current harmonics mitigation of 3-phase non-linear loads.
The eight product lines, FN 3470/FN 3471, FN 3480/FN 3481, FN 3472/FN 3473 and FN 3482/FN
3483 are applicable for low voltage 50 Hz and 60 Hz systems and they are particularly suitable for AC
and DC motor drives, battery chargers and other power electronics applications with 6-pulse front-end
rectifiers.
Ecosine max passive harmonic filter technology represents an evolution of the previous generations of
passive harmonic filters and introduces following aspects of novelty:
│
Ecosine max is designed for the most demanding harmonic mitigation tasks.
Ecosine
max filters FN 3470/71, FN 3472/73, FN 3480/81 and FN 3482/83 can be applied to drives
with or without DC-link choke present, different THDi @ rated power can be achieved, as
shown in the following table. The new generation ecosine max filters guarantee compliance
with the toughest requirement of IEEE-519 and other stringent international power quality
standards.
Table 1 Ecosine max product variants and performance
FN3470
FN3471
FN3480
FN3481
FN3472
FN3473
FN3482
FN3483
Grid frequency
50Hz
60Hz
Nominal operating voltage
3x380-415VAC
3x440-480VAC
3x380-415VAC
3x440-480VAC
For 6-pulse diode rectifier
without DC-link choke
<5%
THDi
<8%
THDi
<5%
THDi
<8%
THDi
<5%
THDi
<8%
THDi
<5%
THDi
<8%
THDi
For 6-pulse diode rectifier
With
4%
DC-link choke
3.5%
THDi
<5%
THDi
3.5%
THDi
<5%
THDi
3.5%
THDi
<5%
THDi
3.5%
THDi
<5%
THDi
│
Ecosine max demonstrates superior partial load performance.
The excellent performance
of ecosine max filters not only reflects on mitigating harmonic current and bringing the THDi
down to 5% (diode rectifiers @ rated power), but also introducing minimum reactive power, even
at partial or no load condition. The dis
placement power factor remains at cosφ >0.98 @ 50%
load.
│
Most compact open frame design for cabinet integration.
The upgraded version of the
Schaffner power quality simulator SchaffnerPQS3 (pqs.schaffner.com) provides the possibility
to simulate ecosine max passive harmonic filters within an electrical system. It furthermore of-
fers quick and accurate performance checks.
This user manual is intended to support designers, installers, and application engineers with filter se-
lection, installation, application, and maintenance. It provides helpful solutions to overcome harmonics
mitigation challenges and answers frequently asked questions.
If you require additional support, please feel free to contact Schaffner or our local partner.