1177 Winding ratio for TCTR and TVTRCreated: 16 Oct 2013 Status: In Force (green) Part: Part 7-4 (2010; Edition 2) Links: Page: 97, 104, 143 Clause: 5.15.4, 5.15.20, 6 Paragraph: Category: Issue for edition 2 of this part Issue TVTR and TCTR have a setting Rat (Winding ratio of an (external) instrument transformer/transducer). Not in all cases this is really a winding ratio which is clear e.g. for a capacitive divider. The value which is of common interest is the ratio between the primary values and secondary values. Proposal Update the description of Rat to about -> "Ratio between the primary and secondary value of an instrument transformer/transducer"
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