Siemens SIPROTEC 7UM62 User Manual

Technical Data
4.37 Additional Functions
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
520
Min / Max Report
Analog Outputs (optional)
Local Measured Values Monitoring
Fault Event Recording
Time Allocation
Report of Measured Values with date and time
Reset manual using binary input
using keypad
using communication
Min/Max Values for Current Positive Sequence Components I
1
Min/Max Values for Voltage Positive Sequence Components U
1
Min/Max Values for 3rd Harmonics in Displacement Voltage U
G3H
Min/Max Values for Power P, Q
Min/Max Values for Frequency f f
Number max. 4 (depending on variant)
possible measured values I1, I2, IEE1, IEE2, U1, U0, U03h, |P|, |Q|, S, |cos ϕ|, f, U/f,
ϕ, Θ
S
/Θ
S trip
,
Θ
R
/Θ
R trip
, RE LES, RE LES 1-3 Hz, RE SEF in %
Range 0.0 mA to 22.5 mA
Minimum threshold (limit of validity:) 0.0 mA to 5.0 mA (increments 0.1 mA)
Maximum Threshold 22.0 mA (fixed)
Configurable Reference Value 20 mA 10.0 % to 1.000.0 % (0.1 % increments)
Current Asymmetry I
max
/I
min
> balance factor, for I > I
balance limit
Voltage Asymmetry U
max
/U
min
> balance factor, for U > U
lim
Current Sum | i
L1
+ i
L2
+ i
L3
| > limit
Voltage sum | U
L1
+ U
L2
+ U
L3
+ k
U
· U
E
| > limit,
with k
U
= Uph/Uen CT
Current Phase Sequence Clockwise/ counter-clockwise phase sequence
Voltage Phase Sequence Clockwise/ counter-clockwise phase sequence
Limit Value Monitoring I
L
< limit value I
L
<,
configurable using CFC
Indications memory for the last 8 fault cases (max. 600 indications)
Resolution for Event Log (Operational Indications) 1 ms
Resolution for Fault Log (Fault Indications) 1 ms
Maximum Time Deviation (Internal Clock) 0.01 %
Battery Lithium battery 3 V/1 Ah, type CR 1/2 AA
"Flt. Battery" on low
battery charge

Siemens SIPROTEC 7UM62 Specifications

General

Brand	Siemens
Model	SIPROTEC 7UM62
Category	Protection Device
Language	English