Siemens SENTRON 3WL10 Manual page 25

Description
2.2 Metering function MF Basic and MF Advanced
Metering functions of the ETUs of the 6-series
Instantaneous values
Currents (rms value)
Ground-fault current
Phase-to-phase voltage (rms value)
Phase-to-neutral voltage (rms value) V
Phase sequence
Frequency
Active power
Reactive power
Apparent power
Power factor
Peak factor
Counter
(recorded since installation or last reset)
Active energy
Reactive energy
Apparent energy
Min/Max values of the individual Measured values for each interval with a time stamp
Current: smallest and largest
Phase-to-phase voltage: smallest
and largest
Active power: mean and largest
Reactive power: mean and largest
Apparent power: mean and largest
Data logger
Recording of measured values with a high sampling rate
Currents
Voltages
Sampling rate
Max. recording duration
Recording stop delay
Number of registers
24
Measured values
A L , L , L , neutral
r sd i
A I
g
V U12, U23, U31
U1, U2, U3
–
Hz f
kW P1, P2, P3, P
tot
kVAR Q1, Q2, Q3, Q
tot
kVA S1, S2, S3, S
tot
Total
L1, L2, L3, Ne
Measured values
kWh E total
p
E drawn E
p p
kvarh E total
q
E drawn E
q q
kVAh E total
s
Measured values
A I , I
min max
V U , U
min max
kW P , P
mean max
kVAR Q , Q
mean max
kVA S , S
mean max
Measured values
A L1, L2, L3, N, I
g
V U12, U23, U31
Hz 1200-2400-4800-9600
s 16
s 0 to 10
No. 2 independent
Communication 3WL10 Air Circuit Breakers & 3VA27 Molded Case Circuit Breakers
Precision
Reference standard: IEC 61557-12
1 %
2 %
0.5 %
0.5 %
–
0.2 %
2 %
2 %
2 %
2 %
–
Precision
Reference standard: IEC 61557-12
2 %
2 %
2 %
Time window
Fixed
Can be synchronized
by remote access.
System Manual, 06/2019, L1V30499596021-01
Interval
Duration: 5 ... 120 min
Number of intervals: 24