ABB REO 517 Applications Manual page 32

Multi-function terminals for railway application
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22
Terminal identification and base values
Us
SEC
------------------ - 100
UPE<
=
Uxb
The value of Uxb can be calculated as:
Rated primary voltage
--------------------------------------------------- -------
Uxb
=
VT ratio
&KDSWHU 
*HQHUDO
(Equation 14)

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