Z
Bare
Z
Measured
+
V
inj
-
I
inj
R
N
C
stat
R
fault
+
V
inj
-
I
inj
R
N
C
stat
Stator Reference
Impedance Z
Ref
R
f
Z
series
Z
mT
a
b
a
b
V
N
ANSI11000008_1_en.vsd
Û
ANSI11000008 V1 EN-US
Figure 159: High-resistance generator grounding with a neutral point resistor
There are some alternatives for connection of the neutral point resistor as shown in
figure
160 (low voltage neutral point resistor connected via a DT).
Section 8 1MRK 502 071-UUS A
Impedance protection
322 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Application manual
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