USER MANUAL – S203TA-D / S203RC-D
27
6.1.2.
1 wire insertion
DISPLAY
ELECTRICAL
QUANTITY
SYMBOL
COMMENT
MEASURED
VALUE
CALCULATED
VALUE
EQUATION USED
VRMS A
V PHASE A
RMS Voltage
from phase A
to NEUTRAL
X
-
IRMS A
RMS phase A
current
X
-
P A
Phase A
Active Power
X
-
Q A
Phase A
Reactive
Power
X
±√(𝑆 𝐴)
2
− (𝑃 𝐴
2
)
S A
Phase A
Apparent
power
X
𝑉𝑅𝑀𝑆 𝐴 × 𝐼𝑅𝑀𝑆 𝐴
COSFI A
Phase A cosΦ
X
𝑃 𝐴
𝑆 𝐴
ENERGY A
Phase A
Active Energy
X
∫ 𝑃 𝐴
𝑖
𝑑𝑡
POS ENERGY A One phase
only positive
active energy
X
∫ 𝑃 𝐴 (+)
𝑖
𝑑𝑡
NEG ENERGY
A
One phase
only negative
active energy
X
∫ 𝑃 𝐴 (−)
𝑖
𝑑𝑡
REACT
ENERGY A
Phase A
Reactive
Energy
X
∫ 𝑄 𝐴
𝑖
𝑑𝑡
