DIGITAL PHASE CONVERTERS • THREE-PHASE MOTORS • ROTARY PHASE CONVERTERS • STATIC PHASE CONVERTERS • BUCK/BOOST TRANSFORMERS

 


 

Phase Converters & Power Factor
Phase Converter Efficiency
Installing a Phase Converter
Rotary Phase Converters
Static Phase Converters
VFDs as Phase Converters
     • Harmonic Distortion
Three-Phase Motors
Phase Converters & Voltage Balance
Phase Converter Applications
     • Submersible Pumps
     • Woodworking Equipment
     • Dual Lift Stations
     • Phase Converters & Welders
     • Phase Converters & CNC Machines
     • Phase Converters & Air Compressors
     • Phase Converters & Elevators
     • Phase Converters & Wire EDM
     • Phase Converters & HVAC
Phase Converters & Transformers
     • Step-up Transformers
     • Buck-Boost Transformers
     • Isolation Transformers
Phase Converter Experts
Digital Phase Converters
Regenerative Power
Three-Phase Power
     • Delta vs. Wye Configured Power
Motor Starting Currents

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This site is the most extensive and complete source of information
on phase converters and their application.

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What Is A Phase Converter?


A phase converter is a device that produces three-phase electrical power from a single-phase source, thus allowing the operation of three-phase equipment at a site that only has single-phase electrical service.

The first phase converters were invented nearly one hundred years ago.  These were static phase converters, and they have changed little since that time.  Over the years, other technologies have been employed as phase converters and hundreds of companies, large and small, manufacture phase converters.

There are rotary phase converters, variable frequency drives (VFD) adapted

as phase converters and the newest technology, digital phase converters.  This can make the search for one a confusing process.  This technical paper, A Comparison of Phase Converter Technologies is a good source if you want a scientific, detailed explanation of phase converter technologies.

Phase converters have been widely used because three-phase service from the electric utility is not available in all locations.  Three-phase service is generally expensive to install and may not be available at any price in remote locations or residential neighborhoods.  It is more expensive than single-phase service because it requires more wires, more high voltage transformers and a different service panel.

It is also common for the utility to charge a higher monthly service fee for providing three-phase service.  Click here for a more detailed explanation of three-phase power.

There are dramatic and important differences among phase converters in terms of price, power quality, voltage balance, efficiency, versatility and ease of installation.  Hopefully this site will help you to understand these issues and make it easier to select the right converter for your application.

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