Surge Absorbers - VRD

  • VRD’s can be found in several applications. Some of these are: voltage stabilizers or regulators (in shunt mode), surge suppressors for device protection, peak clippers, switching operations, reference elements and in meter protection applications. The constant reverse voltage of a VRD renders it a very useful component in regulating the output voltage against variations in the load resistance or variations in the input voltage from an unregulated power supply. The current through the VRD will change in order to keep the voltage within the threshold limits of the VRD and the maximum power that it can dissipate.

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