Figure. 5.2.1 - 8. Connections (application 2).
Because of the direction of the CTs and because the CTs' P1/S1 side is always wired to the modules's
odd inputs, the "Differential calculation mode" has to be set to "Add" (
Protection
→
TrafoModule
→
Idx>
[87T,87N]
→
Settings). The difference with the first application is that here the CTs point towards the
protected object instead of pointing through it.
The following table presents the initial data of the connection as well as the ratings.
A
AQ
Q-T256
-T256
Instruction manual
Version: 2.06
© Arcteq Relays Ltd
IM00028
21
Summary of Contents for AQ-T256
Page 1: ...AQ T256 Transformer protection IED Instruction manual...
Page 2: ......