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The Mesta DPM™ Output
The Mesta DPM™ output coexists in parallel with the utility voltage, while it
is precisely phase-locked and voltage-equalized. The DPM™ utilizes high
frequency current sensors to continuously monitor the load harmonics and
instantaneously directs the energy/current flow in and out of its IGBT based
inverter to make the resulting line current harmonic free, balanced, and at unity
power factor.
The Mesta DPM™ Installation
The parallel installation of the Mesta DPM™ active harmonic filter results in higher industrial energy efficiency than series installed devices. Because the Mesta DPM™ is a parallel installed device, it does not need to be sized to provide 100% of the current required by the load(s). It only has to be sized to provide the harmonic and out-of-phase current drawn by the non-linear load(s). The utility provides the resulting 60/50 Hz fundamental current. This configuration results in a smaller, more efficient solution for harmonic correction.
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