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Resonance Elimination Harmonic Filter

The Omniverter REHF filters are used to correct disturbances or resonances at higher frequencies, typically higher than 11th Harmonic.

With conventional LC circuits it is possible to shift a potential network resonance to another frequency but LC circiut cannot completely eliminate the resonance from the electrical system. By introducing a High Pass Resistor as part of the REHF, resonance now can be eliminated from the electrical system.

REHF units can be designed for use at Low Voltage up to 600V, MV or at HV using transformer coupling.

Key Features:

Eliminate resonance
Correction of voltage transients due to switching of utility capacitor banks at MV or HV.
Can correct harmonics ≥ 13th Harmonic
Eliminates voltage notching from DC drives
Voltage controlled, no CT’s needed
Can be configured for use at LV (up to 600V), or via transfomer coupling to correnct MV or HV for industries and utilities.

Applications:

Industrial processes
Semiconductor & Pharma facilities
Automation and robotic applications
Hospitals and Automation

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Download Data Sheet

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FAQ

A definition of electrical resonance

Electrical resonance occurs in an electric circuit at a particular resonant frequency when the impedances of circuit elements cancel each other. In some circuits, this happens when the impedance between the input and output of the circuit is almost zero and the transfer function is close to one. Resonant circuits exhibit ringing and can generate higher voltages or currents than are fed into them.

What is impedance in an electrical system

Impedance can be described as the combination of resistance, inductive and capacitive reactance in the electrical network that oppose the natural flow of power feeding the loads. In simple terms Impedance can be described as a source resistance. This resistance produces a voltage drop proportional to the load current. The larger the current the higher the voltage drop.

Resonance Elimination Harmonic Filter

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Download Data Sheet

FAQ

A definition of electrical resonance

What is impedance in an electrical system