Power Conversion

Grid-friendly advanced power conversion technology

Northern Power Systems delivers seamless, reliable power in some of the harshest operating environments and demanding duty cycles in the power generation industry. NPS is a manufacturer of grid-friendly power conversion systems (PCS).


Our power conversion technology is based on our field-proven design with over 100 MW of converters deployed globally for NPS wind turbines in sizes up to 2.2 MW and battery energy storage systems. Northern Power Systems’ installed base of power technology components have logged millions of kilowatt-hours of operation to date. With a wide range of product sizes, frequency ranges and AC Voltage, our power conversion technology is present in:

  • Stationary energy storage
  • Wind turbines
  • Emergency grid support
  • Ultracap UPS
  • Variable speed generators

The heart of each  system is a single-phase bi-directional FlexPhase power converter module [link to FlexPhase page]. This award-winning technology combines a unique, patent-pending circuit design with a high bandwidth control system to provide top-performing generator management, power quality, and grid support features.

Each module is completely self-contained, including power path, harmonic filtering, cooling, and control interface. A module can be replaced in just a few minutes. Starting up with a new module requires no software modifications.

Northern Power Systems, Inc. sells its UK service business to Natural Generation >> Read Full Post