• 25kW SiC-based OPTI Drive
  • 10kW IGBT-based OPTI Drive
  • Satellite Space Converter
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25kW SiC-based OPTI Drive

Gen-2,SiC,Var-Freq-Drv,DSC00138_¾,Top-On_MOD_SWOOSH
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Mainstream designed, built and tested a 25 kW continuous (35 kW peak), 105 °C liquid cooled, wide-bandgap (WBG) three-phase motor drive. This motor drive is based on a custom SiC module. The motor drive is 99% efficient, weighs only 11.5 lbs, and has dimensions of 11″ x 7″ x 3.5″. Installation into the end application vehicle is also simplified because all electrical and fluid connections are located on the same enclosure face.
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Operating Hours: Monday – Friday 8:00 a.m. – 5:00 p.m. EST

Contact: Send us an email – militarysales@mainstream-engr.com
Phone: 321-631-3550

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10kW IGBT-based Opti Drive

LFALLS_7-19-2021_VFD_DSC00061_SWOOSH
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Mainstream’s variable frequency drive is a liquid cooled motor drive with an integrated active PFC rectifier for meeting the strict requirements of MIL-STD 461. It can be powered by a 208/230 Vac, 50/60 Hz source (such as the AC grid, a generator, or a tactical microgrid) or modified to operate from a DC source. The motor drive can be used with fluid inlet temperatures from -40° to 70°C and drive AC induction motors or AC permanent magnet synchronous motors using advanced sensorless field-oriented control.
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Specification Min Nominal Max Units
Dimensions (L x W x H)     17.5 x 13.5 x 4.25 Inches
Weight   31   lbs
AC Input Voltage 183 208 240 Vline-line rms
AC Input Frequency 45 50/60 66 Hz
Line Voltage Unbalance -5% 0 5%  
Input Current     25 Arms per line
Inrush Current     < 25 Apeak per line
Input Power Factor (DPF)   0.99   Displacement power factor
Input Power Factor (HPF)   0.99   Harmonic power factor
AC Output Voltage 0   230 Vline-line rms
AC Output Frequency 0   1000 Hz
AC Output Current 0   25 Arms per line
Output Voltage dV/dt     2.5 kV/µs
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Variable Frequency Drive

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Operating Hours: Monday – Friday 8:00 a.m. – 5:00 p.m. EST

Contact: Send us an email – militarysales@mainstream-engr.com
Phone: 321-631-3550

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Converter

Satellite Space Converter

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Mainstream designed, built and tested a 2.5 kW 3-port isolated dc-dc converter that is modular and scalable for space applications. This unit consolidates a spacecraft’s electrical power system into a single unit by simultaneously interfacing solar panels (250–400 Vdc), a battery bank (40–60 Vdc), and spacecraft loads (28 Vdc). The converter achieves 98.1% efficient (peak) with GaN power semiconductors and utilizes soft switching techniques.
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Space Converter Brochure

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Operating Hours: Monday – Friday 8:00 a.m. – 5:00 p.m. EST

Contact: Send us an email – militarysales@mainstream-engr.com
Phone: 321-631-3550

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