If the "Phase angle" mode is selected, the solidly earthed network (ϕ
RCA
= +60°) and
Characteristic angle
= +60°.
N
o
n
-o
p
e
ra
tin
g
z
o
n
e
Min reverse angle
Min operate
current
Max forward angle
Max reverse angle
Forward operating zone
Backward operating zone
Characteristic angle
= +60°
Min forward angle
Maximum torque line
Zero torque line
-Uo
(Polarizing quantity)
Io
(Operating quantity)
GUID-F4486C5A-7AD2-416D-865D-A0E03E4418B2 V1 EN
Figure 60:
Definition of the relay characteristic angle, RCA = +60° in a solidly
earthed network
Example 3
If the "Phase angle" mode is selected, the solidly earthed network (ϕ
RCA
= -90°) and
Characteristic angle
= -90°.
Section 6
1MRS757488 H
Commissioning
106
RIO600
Installation and Commissioning Manual
Summary of Contents for Remote I/O RIO600
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