Contrel EMA90 - Measured Variables; Calculated Variables

EMA90 - USER MANUAL
-9-
2.3) MEASURED VARIABLES
PHASE VOLTAGE (Rms) V
L1-N
- V
L2-N
- V
L3-N
LINE CURRENT (Rms) I
L1
- I
L2
- I
L3
FREQUENCY F
L1
(Hz)
TEMPERATURE T(°C)
2.4) CALCULATED VARIABLES
LINE VOLTAGE (Rms) V
L1-L2
- V
L2-L3
- V
L3-L1
THREE-PHASE SYSTEM VOLTAGE (Rms) V
THREE-PHASE SYSTEM CURRENT (Rms) I
AVERAGE THREE-PHASE SYSTEM CURRENT I
avg
MAXIMUM AVERAGE THREE-PHASE SYSTEM CURRENT I
maxavg
AVERAGE LINE CURRENT I
L1avg
-I
L2avg
-I
L3avg
MAXIMUM AVERAGE LINE CURRENT I
L1maxavg
- I
L2maxavg
- I
L3maxavg
NEUTRAL CURRENT I
N
AVERAGE NEUTRAL CURRENT I
Navg
MAXIMUM AVERAGE NEUTRAL CURRENT I
Nmaxavg
POWER FACTOR PF
L1
- PF
L2
- PF
L3
THREE-PHASE SYSTEM POWER FACTOR PF
COSϕ COSϕ
L1
, COSϕ
L2
, COSϕ
L3
THREE-PHASE SYSTEM COSϕ COSϕ
APPARENT POWER S
L1
- S
L2
- S
L3
(VA)
THREE-PHASE SYSTEM APPARENT POWER S (VA)
ACTIVE POWER P
L1
- P
L2
- P
L3
(W)
THREE-PHASE SYSTEM ACTIVE POWER P (W)
REACTIVE POWER Q
L1
- Q
L2
- Q
L3
(VAr)
THREE-PHASE SYSTEM REACTIVE POWER Q (VAr)
AVERAGE ACTIVE POWER P
AVG
(W)
AVERAGE REACTIVE POWER Q
AVG
(VAr)
EXPECTED ACTIVE POWER P
EXP
(W)
THREE-PHASE SYSTEM ACTIVE ENERGY Wh+
THREE-PHASE SYSTEM TRANSFERRED ACTIVE ENERGY Wh-
THREE-PHASE SYSTEM INDUCTIVE REACTIVE ENERGY VArh+
THREE-PHASE SYSTEM CAPACITIVE REACTIVE ENERGY VArh-
Total counters and time bands are available.
TOTAL HARMONIC DISTORTION - THD (%) CURRENT AND VOLTAGE
HARMONIC ANALYZES (Option)
Analyzes up to the 31
st
harmonic of both voltage and current for each phase.
V
L1-N
, V
L2-N
, V
L3-N
; I
L1
, I
L2
, I
L3
(%)