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Our custom three-phase inductors are used in applications including aviation, power conditioning, renewable energy power conversion and high-power battery charging, to name a few.
Designs may incorporate foil and high-temperature windings, strip-wound amorphous metal, ferrite or high-grade steel cores. Dimensions and mountings are tailored to suit your specific need. Inductors can also be incorporated into the primary winding of a transformer to save both cost and space.
Example Types of 3 Phase Inductors & Chokes:
Zig-Zag
High Current / High Frequency / High Voltage
Litz / Copper Foil Winding
Recent Work
3 Phase Inductive Load (EC Custom Model 222036)
20uH @ 50Arms, 30-500Hz.
Constructed with copper foil & grain oriented electrical steel.
Overall dim: 4"W x 3.85"H x 2.25"D.
Approx. Inductor weight: 3.0 Lbs.
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Motor Simulating Inductor 39uH (EC Custom Model 220036)
3 Phase, 39uH @ 70Arms, 400-1500Hz
Weight: 16 Lbs
Temp Class: 180C
Operating voltage: 600V
Built with Nanocrystalline Core and Copper Foil wound 0.8mm x 2.25” wide
Custom Brackets and Bus Bar terminations
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Three-Phase AC Reactor - 3KVAR @ 400Hz (Model 216037)
This AC Inductor is one of a family of parts designed for airport ground support test equipment. Used on a 400Hz, 208V line-line power system (120V line-neutral), this reactor is constructed using 10AWG rectangular magnet wire assembled on a specialty M2 electrical grade shunt steel core and non-magnetic aluminum brackets. Class H (180C) insulation system.
We create powerful solutions that work - with guaranteed results.
3-Phase Inductors, Chokes & Reactors Capabilities at Electronic Craftsmen
Inductance: uH to H
Currents to 1100A nominal, AC or DC
AC Ripple Current and Harmonics accommodated to specification
Working Voltage up to 12kV (depending on frequency); multiple stages possible for higher outputs
Frequency: 25Hz to 500kHz (typical)
Temperature Class to 220C (155C / Class F typical)
Weight: 0.06 oz / 1g to 550 lbs / 250kg
Multiple taps as required
Dielectric Strength (hipot) to 30kVac or 20kVdc
Parts can be vacuum varnished or molded with a variety of hard or soft encapsulant materials with thermal conductivity.
Wire sizes from 1-45 AWG or Copper Foil to 0.050in thick (in multiple layers for higher current); Litz wire for higher frequency