Foil resisters help measure DC and AC in solar projects

By Kathie Zipp Regardless of size or location of a solar installation, the need for a good resistor remains. Resisters are used in solar PV applications for high-precision current measurements within the system.
Solar panels produce DC current, so it’s necessary to ensure accurate current measurements for the proper adjustments of the inverter to its correct working settings. On the inverter output side, resisters ensure current measurement accuracy. At the same time, measured current provides data as to the amount of AC energy output.
The VPG Foil Resistors product group of Vishay Precision Group, manufacturers of precise and stable Bulk Metal Foil resistors, announced

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