NELHA Variable Frequency Drive

The Natural Energy Laboratory of Hawaii Authority is seeking bids for the procurement of variable frequency drives (VFDs) for its water pumping application. The VFDs must be compatible with the authority's existing ABB drives and must be able to integrate seamlessly with the current PID controls. The VFDs must also be hot swappable with the existing drives. The authority requires two 240 A VFDs and eight 124 A VFDs. The VFDs must meet specific technical requirements, including nominal horsepower, input voltage rating, and output current. The authority also requires the VFD manufacturer to provide on-site or online start-up assistance and a 2-year warranty. • The VFDs must be ABB ACQ580 Series VFDs or equivalent • The VFDs must be compatible with the authority's existing ABB drives • The VFDs must be hot swappable with the existing drives • The authority requires two 240 A VFDs and eight 124 A VFDs • The VFDs must meet specific technical requirements • The VFD manufacturer must provide on-site or online start-up assistance • The VFD manufacturer must provide a 2-year warranty