Sequence Comparator Voltages For Offset Mho Characteristic; Lenticular Characteristics - Alstom SHPM 101 Service Manual

SERVICE MANUAL
QUADRAMHO
Figure 46: Sequence comparator voltages for offset MHO characteristic
Main
comparator C 1
Figure 47: Lenticular characteristics
jIX
IZ
V
–IZ'
jIX
V – IZ
IZ
180°– φ
V + IZ
–IZ
φ
180°–φ
(V+IZ') / –(180°–φ)
–IZ
V
V+IZ
IR
(V+IZ') / –90°
Inhibit comparator C 2
φ
(V+IZ') / –φ
R5888C
Chapter 2
Appendix A
Page 44 of 71
IR