Common Settings For All Steps - ABB RES670 Applications Manual

Section 8
Current protection
8.3.3.2
146
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EQUATION1189 V1 EN-US
Further description can be found in the Technical reference manual (TRM).
tPRCrvx, tTRCrvx, tCRCrvx: Parameters for customer creation of inverse reset time
characteristic curve. Further description can be found in the Technical Reference
Manual.

Common settings for all steps

x means step 1, 2, 3 and 4.
AngleRCA: Relay characteristic angle given in degrees. This angle is defined as
shown in figure 59. The angle is defined positive when the residual current lags the
reference voltage (Upol = -U2)
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1MRK 511 407-UEN C
GUID-A00A942B-E760-42EE-8FEB-F723426783F3 v1
Phasor measurement unit RES670 2.2 IEC
Application manual
(Equation 39)