Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

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1.5
Date Code20070117
Instruction Manual SEL-351-5, -6, -7 Relay
Introduction and Specifications
Applications
Applications
q See Figure 2.12 and Figure 2.13 ; w see Figure 2.14 and Figure 2.15 ; e see Figure 2.11 ; r see Figure 2.10 and Figure 2.18 –
Figure 2.22 ; t see Figure 2.16 .
Figure 1.1 SEL-351 Relays Applied Throughout the Power System
Transformer Bank
Protection
w
Transmission
Line Protection
and Reclosing
q
Line Recloser
Installations
Core-Balance
Current Transformer
N
N
Trip
ABC
ABC
Distribution Bus
Fast Bus Trip Scheme
The SEL-351R Recloser Control is a similar product to
the SEL-351.
Utility Distribution Feeder
Protection and Reclosing
r
Industrial Distribution
Feeder Protection
t
52
Trip and
Close
ABC
ABC
ABC
Tr
ansmis
sion B
u
s
Comm.
Equip
TX
RX
to/from
remote
terminal
Trip
Trip
Distribution Bus
Protection
e
Line
Recloser
52
52
52
52
Trip and
Close
SEL-351
SEL-351
SEL-351
SEL-351
SEL-351R
SEL-351