Siemens SIPROTEC 7UM62 User Manual

Technical Data
4.37 Additional Functions
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
518
Operational Measurement
Values for Power
S, apparent power
in kVAr (MVAr or GVAr) primary and in % S
N
Range 0 % to 120 % S
N
Tolerance 1 % ±0,25 % S
N
, with SN = √3 · U
N
· I
N
P, active power (with sign)
in kVAr (MVAr or GVAr) primary and in % S
N
Range 0 % to 120 % S
N
Tolerance 1 % ±0.25 % S
N
with S
N
= √3 · U
N
· I
N
Q, reactive power (with sign)
in kVAr (MVAr or GVAr) primary and in % S
N
Range 0 % to 120 % S
N
Tolerance 1 % ±0.25 % S
N
with S
N
= √3 · U
N
· I
N
Operating Measured Value for
Power Factor
cos ϕ
Range –1 to +1
Tolerance 1 % ± 1 Digit
Power angle ϕ
Range -90° to +90°
Tolerance 0.1°
Counter Values for Energy Wp, Wq (active and reactive energy)
in kWh (MWh or GWh) and in kVARh (MVARh or GVARh)
Range 8 1/2 digits (28 bit) for VDEW protocol
9 1/2 digits (31 bit) in the device
Tolerance 1 % ± 1 Digit
Operational Measured Values for
Frequency
f
in Hz
Range 40 Hz < f < 66 Hz
Tolerance 10 mHz at U > 0.5 · U
N
Overexcitation U/U
N
/f/f
N
Range 0 to 2.4
Tolerance 2 %
Thermical Measured Values
- of the Stator (Overload Protection) Θ
S
/Θ
trip L1
, Θ
S
/Θ
trip L2
, Θ
S
/Θ
trip L3
- of the Rotor (Restart Inhibit) Θ
R
/Θ
trip
- of the Unbalanced Load Protection Θ
i2
/Θ
trip
– of the Overexcitation Protection Θ
U/f
/Θ
trip
- of coolant temperature Depends on the connected temperature
sensor
Range 0 % to 400 %
Tolerance 5 %
Operational Measured Values for Rotor Earth Fault Protection (1-3 Hz)
Range 0.5 Hz to 4.0 Hz
Tolerance 0.1 Hz

Siemens SIPROTEC 7UM62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7UM62
Category	Protection Device
Language	English