GE t60 Instruction Manual page 34

2.1 INTRODUCTION
2
2-2
TYPICAL CONFIGURATION (
Winding 1
3
50P-1 50G-1
51P-1 51G-1
50BF-1
21G
Amps
21P
87G-1
67P
Amps
3V_0
67N
68 51N-1
78 50N-1
Amps
Harmonics
Calculate
3I_0
Calculate
operate amps
restraint
amps
Amps
Transducer Input
59N 59P 24
T60
Тransformer Protection System
Figure 2–1: SINGLE LINE DIAGRAM
T60 Transformer Protection System
the AC signal path is configurable)
Winding 2
3
50G-2 50P-2
51G-2 51P-2
50BF-2
Amps Amps
87G-2
Amps
Harmonics
51N-2
50N-2
Calculate
3I_0
Calculate
Calculate
2nd and 5th
harmonics
Amps
Harmonic
50/87
restraint
Block
87T
Metering
FlexElement
TM
27P
81U 81O 27X
2 PRODUCT DESCRIPTION
49
59X
828713AG.CDR
GE Multilin