Verifying The Settings - ABB RET670 Commissioning Manual

1MRK 504 154-UUS B
The test is mainly divided into two parts, one which aim is to verify that the settings are in
accordance to the selectivity plan and a second part to verify the operation of ZMRPSB (68). The
proposed test points for validation of the settings are numbered according to figure
Test of the interactions or combinations that are not configured are not considered in this
instruction.
IEC09000226 V1 EN-US
Figure 28: Operating principle and characteristic of the power swing detection function
Where:
RLdInFw =
RLdInRv =
X1OutFw =
X1OutRv =
10.4.9.1

Verifying the settings

Preconditions
The following output signal shall be configured to binary output available: ZOUT, measured
impedance within outer impedance boundary.
Commissioning manual
X1OutFw
X1InFw
RLdOutRv
2
RLdInRv
X1InRv
X1OutRv
(settings parameters in italic)
RLdOutFw · kLdRFw
RLdOutRv · kLdRRv
X1InFw + (RLdOutFw - RLdInFw)
X1InRv + (RLdOutFw - RLdInFw)
ZL
X
3
j
1
RLdOutFw
4
Testing functionality by secondary injection
j
R
RLdInFw
IEC09000226_1_en.vsd
Section 10
28
M13888-11 v6
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