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Energy metering | PEC Components

Energy metering

Electronic energy meters are subjected to voltage spikes of 2KV to 12KV or more from the incoming supply lines due to the environmental problems like lightning strikes on power lines. When a spike does enter the energy meter a metal oxide varistor (MOV) is generally used to protect the circuit, however, when a spike of sufficient energy does enter the meter, it can destroy the MOV leaving the meter open for the next spike.

To protect the energy meter from repeated spikes, a specially designed resistor is used to protect the MOV, this resistor is designed to absorb the energy in the spike and thus protect the MOV. Resistors can be designed to absorb high energy spikes of 2KV to 12KV in a small size package.

PEC has extensive experience of supplying these types of resistors for over 15 years and is a pioneer in the field. We can optimize and sample resistors for you very quickly based on our very large database of design data and proprietary process techniques.