Alstom iSTAT M212 - Supported Measurements

User Manual M2x2/EN M/F
iSTAT M2x2 Page 19
8.3 Supported Measurements
The mea
surements that the M2x2 family supports are shown in the following table.
TABLE 9-3 : BASIC MEASUREMENTS
Voltage U
1
, U
2
, U
3
in U
~
Current I
1
, I
2
, I
3
, I
n
, I
t
in I
a
Active power P
1
, P
2
, P
3
, and P
t
Reactive power Q
1
, Q
2
, Q
3
, and Q
t
Apparent power S
1
, S
2
, S
3
, and S
t
Power factor PF
1
, PF
2
, PF
3
and PF
~
Power angle 
1
, 
2
, 
3
and 
~
THD of phase voltage U
f1
, U
f2
and U
f3
Phase
THD of current I
1
, I
2
and I
3
Phase-to-phase voltage U
12
, U
23
, U
31
Average phase-to-phase voltage U
ff
Phase-to-phase angle 
12
, 
23
, 
31
THD of phase−to−phase voltage
Phase-to-phase
Counter 1
Counter 2
Counter 3
Counter 4
Total
Energy
Active tariff
Phase current I
1
Phase current I
2
Phase current I
3
Active power P (Positive)
Active power P (Negative)
Reactive power Q − L
Reactive power Q − C
Maximal values MD
Apparent power S
Frequency f
Internal temperature
The equations defining the calculated values are detailed in Appendix B