2.29
Date Code 20170814
Instruction Manual
SEL-700G Relay
Installation
SEL-700G1+ Generator Relay Application Example 1
SEL-700G1+ Generator Relay Application Example 1
Example 1 shows an SEL-700G1+ Relay application with full generator
protection including:
➤
Phase differential element (87)
➤
Field ground element (64F) requires SEL-2664 Field Ground
Module
➤
100% Stator Ground Protection (64G elements)
➤
RTD inputs—requires SEL-2600 RTD Module or RTD input
card in Slot D
➤
Synchronism-Check (25X) and Autosynchronism functions
Figure 2.23
SEL-700G1+ Relay Typical AC Current and Four-Wire Wye Voltage Connection With
MOT SEL-0700G11A2XBA76850231
E01
E04
E03
E06
E05
E02
30 MVA Generator
Phase-Input CTs
2000/5 A
E12
E11
Z0
8
Z0
7
Z0
6
Z0
5
Z0
4
Z0
3
Z0
2
Z0
1
NN
IN
IC
X
IB
X
IA
X
IA
Y
IB
Y
IC
Y
Z1
2
Z1
1
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
87–Input CTs
2000/5 A
A
B
C
Z1
0
Z0
9
52
E07
E08
Summary of Contents for SEL-700G Series
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