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S. Kitzler, M. Stefan:
"Realtime-substitution mechanisms for missing field measurements - Field-approved methods and evaluation results";
in: "Proc. CIRED Workshop 2018 on Microgrids and Local Energy Communities, Congrès International des Réseaux Electriques de Distribution, Ljubljana, Slovenia, June 7 - 8, 2018", CIRED Workshop, 2018, S. 03511 - 03514.

Measurement values become more and more important
for the correct behaviour of automation systems in
several domains. Jn low voltage grids, functions such as
voltage control, topology identification or validation, as
well as other monitoring functions demand for reliable
measurement data. During field operation several
failures might occur (e.g. , communication errors,
erroneous measurement devices) resulting in unavailable
values. To ensure trustworthy functionality of the
automation systems in case of failures, substitution
values can be used instead of missing field values. In this
paper, methods for calculating substitution values are
presented, as well as the demonstration of the
implemented method in the field, followed by an
elaboration of the results.