Factors influencing the accuracy of the sampled values from the merging unit are for example
anti aliasing filters, frequency range, step response, truncating, A/D conversion inaccuracy,
time tagging accuracy etc.
In principle the accuracy of the current and voltage transformers, together with the merging
unit, shall have the same quality as direct input of currents and voltages.
1MRK 505 370-UEN D Section 21
Requirements
Busbar protection REB670 459
Application manual
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