Ametek UPLC-II System Manual page 50

UPlC-ii™ System manual
G
Trip Breaker 1
Figure 3–2. Phase-Comparison Blocking, Basic Elements
Page 3–4
Protected Line
1
Three Phase
and Neutral
Sequence
Network
Single Phase
Output
Squaring
Amplifier
Channel
Delay
Circuit
Comparison
Circuit
H
2
Three Phase
and Neutral
Sequence
Network
Single Phase
Output
Squaring
Amplifier
Delay
Circuit
Comparison
Circuit
Trip Breaker 2