Schweitzer Engineering Laboratories SEL-700G1 - Figure 2.19 SEL-700 G0+ Relay High-Impedance Grounded Generator with Synchronism Check and Without Current Differential Protection; Figure 2.20 SEL-700 G1+ Relay AC Connection Example-High-Impedance Grounded Generator with Step-Up Transformer Included in Differential Zone (with Synchronism Check and 100% Stator Ground Protection)

2.27
Date Code 20170814 Instruction Manual SEL-700G Relay
Installation
AC/DC Connections and Applications
Figure 2.19 SEL-700G0+ Relay High-Impedance Grounded Generator With Synchronism Check
and Without Current Differential Protection
Figure 2.20 SEL-700G1+ Relay AC Connection Example—High-Impedance Grounded Generator With Step-Up
Transformer Included in Differential Zone (With Synchronism Check and 100% Stator Ground Protection)
Generator
Phase-Input CTs
A
B
C
C
B
A
52
E12 E11 Z08 Z07 Z06 Z05 Z04 Z03 Z02 Z01
NN
IN ICX IBX IAX
E08 E07
NS
Z12 Z11 Z10 Z09
VCX VAX VBX
N
Z Slot: 4AC1/3 AVI card
E Slot: 2AV1 card
VN VS
SYNCP := VAB
E01 E04 E03 E06 E05 E02
Generator
Phase-Input CTs
2000/5 A
E12 E11 Z08 Z07 Z06 Z05 Z04 Z03 Z02 Z01
NN
IN ICX IBX IAX
IAY IBY ICY
Z12 Z11
VCX VAX VBX N
VN
Z Slot: 4AC1/3 AVI card
E Slot: 3AC1/2AV1 card
A
B
C
NS VS
to A,
B,
or C
200/5 A
a
c
b
A
B
C
A
B
C
Z10
Z09
52
E07
E08
X1
X2
X3
H2
H1
H3
H0
13.8 / 138 Kv
30 MVA