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Sub-millisecond Transient Analysis with Multi-Point Measurement in Weak Grids

This research is focused on measurements of power quality in a islanded system in different points synchronized in time. This enable the measurements to be analyzed relative to one other. Sources of emissions on different nodes can be identified and the effect his emission source has on other nodes can be quantified. This is especially focused on very short sub-milli second transients events such as switch on of a system or change in operative modes. This is currently done with multiple raspberry pis each connected with a Picoscope to a measurement node.

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Each node can now measure and compare current and voltage waveforms synchronized to within 1ms. Comparing these wave forms allow detection of source of noise propagation and in depth analysis of the magnitude of the disturbance. Inrush current and non-linear load switching current transients are identifiable.

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