Siemens siprotec 7SA6, Manual

Page: 532 / 876

Control During Operation
7-18
7SA6 Manual
C53000-G1176-C156-2
•
cos
ϕ
Pos, cos
ϕ
Neg: power factor separately according Demand Forward and
Demand Reverse;
•
f: frequency.
From the
DeviceFront With a device ready for operation, first press the key. The
MAIN MENU
appears.
Use the key to select the menu item
Measurement
, and switch to the list of meas-
ured values using the key. The
MEASUREMENT
selection appears. See Figure 7-19.
.
Figure 7-19 Selection of measured values on the front — example
The measured values are divided into the following groups:
01
Operation. pri
Operational measured values, primary.
03
Impedance Prim
Operational impedance, primary;
04
SynchrCheck,pri
Measured values of synchronism check, primary;
11
Operation. sec
Operational measured values, secondary;
12
IEE,secondary
Measured values of earth fault, secondary;
13
Impedance Sec
Operational impedance, secondary ;
21
Percent
Operational measured values, in percent of operational
nominal quantities;
31
Demand
Long-term average values, in primary values;
32
Min/Max Demand
Minimum and maximum average values with date and time
indication of moment of occurrence, in primary values;
33
U/I,Min/Max
Minimum and maximum values of voltages and currents
with date and time indication of moment of occurrence, in
primary values;
34
p,cos
ϕ
,Min/Max
Minimum and maximum values of the actve, reactive and
apparent power of the frequence and the power factor;
41
Thermal Meter
Thermal measured values of the overload protection, if
available;
51
User Defined
Measured values that are defined by the user during initial
setting of the device (see Section 5.2).
61
Set Points
See Subsubsection 7.1.3.2
71
Set points (MV)
See Subsubsection 7.1.3.3
81
Reset
See Subsubsection 7.1.3.4.
MENU
Etc.
MAIN MENU 02/05
---------------------
Annunciation –> 1
> Measurement –> 2
MEASUREMENT 01/12
--------------------
> Operation. pri 01
> Operation. sec 02