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Harmonic Mitigation Transformers
Product Overview
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Comprehensive range of products designed
to treat 5th, 7th, 11th, 13th harmonics in 3-phase systems
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Treats harmonic currents created
by 3-phase rectifiers, including drives |
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Common applications include telecom,
internet, and industrial equipment |
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Built-in surge protection |
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Packaged with engineering application
support |
Available Configurations
KVA: comes in industry standard ratings: 15, 30, 45,
75, 112.5, 150, 225, 300, 500, 750... up to 5000kVA. Other
kVA ratings are available.
PV: Primary Voltage (3-phase,
3-wire): 208, 400, 480, 600... up to 15kV. Other voltages
are available.
SV: Secondary Voltage: 4-wire
ISO models; 208/120, 480/277, 600/347. 3-wire models include
208, 480, 600. Other voltages are available.
CONF: 0507 treat 5th &
7th harmonic currents on a system basis, 1113 treat 11th
& 13th harmonic currents on a system basis, D: dual
3-phase outputs, Three 3-phase outputs, four 3-phase outputs,
PS: user selected phase angle shift, entered as PSxx, where
xx is in degrees, UNIVERSAL: 3-phase tap selectable inputs:
190, 208, 220, 380, 415, 480 Volts; tap selectable outputs:
208/120V, 380/220V, 480/277V
ENCL: N1 for standard NEMA
1 indoor ventilated drip-proof, N3R for NEMA 3R ventilated
enclosure for some outdoor or sprinklered environments,
NVE: for non-ventilated enclosure.
TEMP: T130 for standard
130°C operating temperature rise, T115 for 115°C
rise, T80 for 80°C rise.
F: F60 60 Hertz, F50 50 Hertz
ISO: Galvanic isolation
between primary and secondary
ES: 1S for single electrostatic
shield, 2S for dual and 3S for triple electrostatic shields
TVSS: PRO70 for 70kA/mode,
PRO90 for 90kA/mode, PRO150 for 150kA/mode protection, UL1449
listed, TVSSxx where xx is custom ID
LK: Lug Kit, standard screw-type
lugs
COL: Color other than factory
standard
CE: Comes with CE mark
Technical Specifications
Powersmiths Harmonic Conditioners
are 3-phase common-core copper-wound dry-type transformers
or autotransformers that are built to NEMA ST-20 and other
applicable ANSI and IEEE standards. They have a 220°C
class insulation system and the standard configuration is
for a 60Hz system, and a 130°C operating temperature
rise. Efficiency is typically greater than 97%.
Available Options
Harmonic conditioners are available
in a wide variety of configurations to match just about
every application.
Specify the "ISO" option where galvanic
isolation between the electrical system and the load is
required. Only with this option can the electrostatic shielding
option be selected.
Specify the "UNIVERSAL" option to
configure the product to provide a wide range of input and
output voltages that are field tap-selectable.
Multiple-output configurations with
a variety of phase angle shifts are also available to cancel
targeted harmonic currents. Specific phase angle shifts
can also be specified.
Technical Data
|
kVA |
Impedance
(+/- SEQ.) |
Weight
(lbs) |
Case Size
(Inches) |
|
15 |
2.8-3.9% |
200-230 |
A (17W x 17D x 27H) |
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30 |
2.8-3.9% |
370-450 |
B (26W x 18D x 30H) |
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45 |
2.8-3.9% |
460-580 |
B (26W x 18D x 30H) |
|
75 |
2.8-3.9% |
690-790 |
C (32W x 22D x 40H) |
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112.5 |
3.2-4.5% |
820-990 |
C (32W x 22D x 40H) |
|
150 |
3.2-4.9% |
1010-1240 |
D (38W x 26D x 48H) |
|
225 |
3.2-4.9% |
1400-1750 |
D (38W x 26D x 48H) |
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300 |
3.2-4.9% |
2000-2400 |
E (52W x 30D x 60H) |
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500 |
3.2-4.9% |
2800-3100 |
E (52W x 30D x 60H) |
The above information is for ISO, 60Hz,
130°C rise, single output transformer configuration.
Due to the wide variety of configurations, it is particularly
important to confirm dimensional and other data.
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