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Article | REF: R940 V1

Smart electrical grids: technological challenges and measurement tools

Author: Hervé NDILIMABAKA

Publication date: December 10, 2015, Review date: January 12, 2022

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3. Instrumentation and measurement for smart grids

The aim of a smart grid is to use digital technologies to measure, control and protect an electrical network, so as to ensure the reliability and security of the electricity supply. In such a network, the integration of renewable energies is becoming increasingly important.

3.1 Power measurement for smart grids

The balance between available power and power demand can be determined by studying frequency variations. Transient changes on the network, due to increased real or reactive load, major power transfers or the loss of certain generation plants, can weaken or even completely disrupt this balance. Under certain conditions, these temporary variations can turn into unstable oscillations, leading to grid collapse (blackout...

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