Siemens Siprotec 7UM611 User Manual

2 Functions
212
7UM61 Manual
C53000-G1176-C127-3
with
In addition measured values are computed by the protection functions and made avail-
able:
Thermal Measured
Values
The thermal measured values are as follows:
• Θ
S
/Θ
STrip
Overload protection measured value of the stator winding in % of the trip-
ping overtemperature,
• Θ
S
/Θ
STrip
L1 normalized overload protection measured value of the stator winding
for phase L1,
• Θ
S
/Θ
STrip
L2 normalized overload protection measured value of the stator winding
for phase L2,
• Θ
S
/Θ
STrip
L3 normalized overload protection measured value of the stator winding
for phase L3,
• Θ
L
/Θ
Lmax
normalized rotor temperature in % of the tripping temperature
•T
Re.Inhib. timet
Time until the next admissible restart
•I
neg th.
, Rotor overtemperature due to the negative phase-sequence component of
the current, in % of the tripping overtemperature,
• U/f th. Overtemperature caused by overexcitation, in % of tripping overtemperature,
• Coolant temperature
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 in Hz f in Hz
U/f
R, X S
sec
X
sec
no display of percentage measured
values
U
E3.H
U
E3.H,sec
in V
Measured
Values
Secondary Primary %
Parameter Address Parameter Address
Unom PRIMARY 221 Uph / Udelta 225
Unom SECONDARY 222 FACTOR IEE 213
CT PRIMARY 211 FACTOR UE 224
CT SECONDARY 212 U PRIMARY OP. 1101
I PRIMARY OP. 1102
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Siemens Siprotec 7UM611 Specifications

General

Brand	Siemens
Model	Siprotec 7UM611
Category	Relays
Language	English