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Phase Technologies, LLC
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  5. AuxPower - Model 1LH Series - ...

AuxPower - Model 1LH Series - Phase-Converting Variable Frequency Drive

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1LH Series drives have a unique active switching in put module that does not produce high levels of harmonic distrotion. These drives are IEEE 519 compliant with no additional harmonic filter required. Other benefits include no over-sizing when the drive is installed on open delta service, and electronic power factor correction allows a larger load on a smaller utility service.

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IEEE 519

IEEE 519 is an industry standard that determines allowable limits of voltage and current distortion on utility systems. As the use of VFDs has increased, so have the negative impacts of the harmonics they generate. This has resulted in more utilities enforcing compliance with IEEE 519.