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Custom Inverter Solutions

Custom Inverter Solutions specializes in aftermarket support, spare parts, and engineering services for legacy Variable Frequency Drives (VFDs), with a focus on diode and SCR components as used in Load Commutated Inverter (LCI) and rectifier systems. We serve as a reliable alternative to OEMs—helping industrial facilities worldwide extend the life of their critical equipment.

About

Custom Inverter Solutions was founded to fill a critical gap in the Industrial sector: supporting aging LCI drive systems after original equipment manufacturers (OEMs) discontinue service or spare parts. With decades of experience in Power Electronics, Drive Systems, and Industrial Automation, our team provides technical expertise and dependable solutions for continued operation of Legacy systems.

Power Stack

Our team of experienced consultants is dedicated to delivering exceptional results by understanding your challenges and goals, crafting customized strategies, and implementing effective solutions that propel your business forward.

Our Expertise

Legacy Drive System Support

We specialize in Load Commutated Inverter (LCI) drives used in high-power motor control applications like compressors, pumps, and generators. All rectification and inversion technology using diode and SCR component  products are also supported across all industries.  Whether your OEM has exited the market or simply no longer offers support, we provide complete lifecycle support.

Spare Parts & Components

Avoid long lead times or unavailable parts from OEMs. We stock and source a broad inventory of components including:

  • Power modules

  • Gate driver boards

  • Control cards

  • Firing circuits

  • Cooling assemblies

• • And more

Engineering & Field Services

Our engineers can help diagnose faults, replace failed components, and design retrofit options to keep your equipment running with minimal downtime.

  • OEM-Agnostic Support

  • Whether your system was built by Westinghouse, Alstom, ABB, Siemens, or GE—we understand the architecture, schematics, and legacy nuances that OEMs no longer support.

Why Choose Us

Expert Guidance

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  • Power Generation
  • Oil & Gas
  • Petrochemicals
  • Mining
  • Pulp & Paper
  • Steel & Metals
  • Water Treatment

 OEM-Agnostic Expertise

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 Fast & Reliable Parts Supply

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 In-Depth Knowledge of Legacy LCI Topologies

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Cost-Effective Alternative to OEM Upgrades

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