Iskra MT440 - Page 32

Measurements
28 User’sManual
Basic measurements Designat. Unit 1b 3b 3u 4b 4u
Phase
Apparent power S
1
S1 VA ● × × ● ●
Apparent power S
2
S2 VA × × × ○ ●
Apparent power S
3
S3 VA × × × ○ ●
Total apparent power S
t
S VA ● ● ● ○ ●
Power factor PF
1
PF1/ePF1 ● × × ● ●
Power factor PF
2
PF2/ePF2 × × × ○ ●
Power factor PF
3
PF3/ePF3 × × × ○ ●
Total power factor PF
~
PF/ePF ● ● ● ○ ●
Power angle φ
1
φ1 ° ● × × ● ●
Power angle φ
2
φ2 ° × × × ○ ●
Power angle φ
3
φ3 ° × × × ○ ●
Total power angle φ
~
φ ° ● ● ● ○ ●
THD of phase voltage U
f1
U1% %THD ● × × ● ●
THD of phase voltage U
f2
U2% %THD × × × ○ ●
THD of phase voltage U
f3
U3% %THD × × × ○ ●
THD of phase current I
1
I1% %THD ● ● ● ● ●
THD of phase current I
2
I2% %THD × ○ ● ○ ●
THD of phase current I
3
I3% %THD × ○ ● ○ ●
Phase-to-phase
Phase-to-phase voltage U
12
U12 V × ● ● ○ ●
Phase-to-phase voltage U
23
U23 V × ● ● ○ ●
Phase-to-phase voltage U
31
U31 V × ● ● ○ ●
Average phase-to-phase voltage (U
f
f
) U V × ● ● ○ ●
Phase-to-phase angle φ
12
φ12 ° × × × ○ ●
Phase-to-phase angle φ
23
φ23 ° × × × ○ ●
Phase-to-phase angle φ
31
φ31 ° × × × ○ ●
THD of phase-to-phase voltage U
12
U12% %THD × ● ● ○ ●
THD of phase-to-phase voltage U
23
U23% %THD × ● ● ○ ●
THD of phase-to-phase voltage U
31
U31% %THD × ● ● ○ ●
Energy
Counters 1−4
E1, E2,
E3, E4
Wh
VAh
varh
● ● ● ● ●
Active tariff Atar ● ● ● ● ●
Max. values MD
MD current I
1
I1 A ● ● ● ● ●
MD current I
2
I2 A × ○ ● ○ ●
MD current I
3
I3 A × ○ ● ○ ●
MD active power P (positive) P+ W ● ● ● ● ●
MD active power P (negative) P− W ● ● ● ● ●
MD reactive power Q−L Q var ● ● ● ● ●
MD reactive power Q−C Q var ● ● ● ● ●
MD apparent power S S VA ● ● ● ● ●
● – supported ○ − calculated × − not supported