Functions
290
7UM62 Manual
C53000-G1176-C149-3
U
E
U
E sec.
U
E
measured:
U
E
calculated:
:
P, Q, S
P
sec
Q
sec
S
sec
Angle PHI
ϕ
in °el
ϕ
in °el
ϕ
in °el
Power factoR
cos
ϕ
cos
ϕ
cos
ϕ
·
100 in %
Frequency (f)
f in Hz
f in Hz
U/f
R, X
R
sec S2
X
sec S2
no display of percentage mea-
sured values
U
E3.H
U
E3.H,sec
in V
U
DC
/I
DC
(measuring
transducer 1)
U
DC
in V-
no primary values
I
DC
in mA-
U
err
(measuring
transducer 3)
U
err
no primary value
Table 2-19
Conversion Formulae between Secondary Values and Primary/Percentage Values
Measured Val.
Secondary
Primary
%
FACTOR UE
U
E sec
⋅
UN – VT PRIMARY
UN – VT SECONDARY
--------------------------------------------------------------
U
E sec
⋅
U
E prim.
UN–GEN PRIMARY
3
(
)
⁄
----------------------------------------------------------------------
100
⋅
P
prim
UN–VT PRIM.
UN–VT SEC,
--------------------------------------
IN– PRI I–CT S2
IN– SEC I–CT S2
-----------------------------------------------
P
sec
⋅
⋅
=
Power
prim.
100
⋅
SN GEN/MOTOR
-----------------------------------------------
f in Hz
f
nom
-----------------
100 in %
⋅
U
f
----
U
N
f
N
--------
--------
UN–VT PRIMARY
UN–GEN/MOTOR
---------------------------------------
⋅
U
f
----
U
N
f
N
--------
--------
UN–VT PRIMARY
UN–GEN/MOTOR
---------------------------------------
100
⋅
⋅
in %
UN–CT PRIMARY
UN–VT SECONDARY
-----------------------------------------------
IN–PRI I–CT S2
IN–SEC I–CT S2
------------------------------------
-----------------------------------------------
R
sec S2
⋅
FACTOR UE
U
E3.H,sec
⋅
U
E3.H.prim
UN GEN/MOTOR
3
(
)
⁄
---------------------------------------------------------------
100
⋅
U
DC
V
⁄
10 V
-------------------
100
⋅
in %
I
DC
mA
⁄
20 mA
---------------------
100
⋅
in %
Uerr V
⁄
10 V
-------------------
100
⋅
in %
