Edit Measured And Metered Values; Overview Of Measured And Metered Values; Reading Measured Values And Metered Values - Siemens 7SR45 Manual

6.8

Edit Measured and Metered Values

Overview of Measured and Metered Values

6.8.1
The 7SR45 devices have numerous measured and metered values. The following
view of the scope and sequencing principle. Measured and metered values are referred to hereafter as meas-
ured values.
Table 6-4
Measured/Metered Values
Operational measured values
Protection-specific measured
values

Reading Measured Values and Metered Values

6.8.2
You can read measured and metered values on the device display or with Reydisp Evolution.
Reyrolle, Operating, Manual
C53000-B7040-C101-1, Edition 08.2020
Overview of Measured Values
Description
Fundamental calculation convertible to primary and secondary values.
•
Phase currents I
•
Derived earth current I
•
Measured earth current I
Measured values that are especially calculated for inrush blocking func-
tions:
•
2
, I , I , I , I
a b c a rms
n
g
nd harmonic currents I , I , I
a b
In Service Operation

6.8 Edit Measured and Metered Values

Table 6-4 gives you an over-
, I
b rms c rms
c
79