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The reduction of consumption is an objective of the Smart Grid paradigm. The pursuit of efficient solutions requires the knowledge that can be derived from each installation's energy consumption measurements through Smart Metering. This work presents an event detection methodology, aimed to help in the disaggregation of the total measured energy consumption in an installation to a number of partial...
In this paper a novel and simple methodology for developing distinct load signatures is proposed. The analysis relies on the exhaustive utilization of the information embedded in the harmonic behavior of a load, towards the formulation of an appropriate data form that could describe the behavior of a Low Voltage (LV) load in a unique and representative way. Based only on the current magnitude during...
A survey is presented in this work, regarding the essential measurements for the determination of the operational “signature” of Low Voltage (LV) electrical loads. The concept of load signature is explained, and measurements are analyzed and conducted according to specific criteria that may be used for the automated recognition of the operation of individual loads. To that purpose, LV loads that may...
Occurrence of High Impedance Faults in urban overhead power distribution networks can cause economical and safety issues for both the public and the utility. These faults may hardly be detected using conventional protection methods, so a sophisticated system has to be developed to deal with the problem. In this work the usage of high frequency ranges and specifically the Cenelec A Band frequency range...
The detection of high impedance faults has been an important research field for many years. The insignificant increase of the line current in case of such faults makes their detection a difficult task, although at the same time a crucial one for reasons of public safety. In this work, the influence of a high impedance fault on the line's overall input impedance is examined, for frequencies within...
Research on smart grid technologies has been advancing over the last years, producing novel practices concerning mainly the power distribution networks. However, in many countries these networks still operate in their traditional form, without offering the real-time operational characteristics which are essential for the utilization of the aforementioned practices. On the other hand, due to the extent...
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