USER MANUAL – S203TA-D / S203RC-D
24
VRMS C
V PHASE C
RMS Voltage
from phase C
To NEUTRAL*
X
*For connection without neutral a “virtual
neutral” it’s used
VRMS ABC
V RMS Three
phase
Voltage
X
𝑉𝑟𝑚𝑠𝐴 + 𝑉𝑟𝑚𝑠𝐵 + 𝑉𝑟𝑚𝑠𝐶
3
IRMS A
RMS phase A
current
X
-
IRMS B
RMS phase B
current
X
-
IRMS C
RMS phase C
current
X
-
IRMS ABC
RMS Three
phase
Current
X
𝐼𝑟𝑚𝑠𝐴 + 𝐼𝑟𝑚𝑠𝐵 + 𝐼𝑟𝑚𝑠𝐶
3
P A
Phase A
Active Power
X
-
P B
Phase B
Active Power
X
-
P C
Phase C
Active Power
X
-
P ABC
Three phase
active power
X
𝑃 𝐴 + 𝑃 𝐵 + 𝑃 𝐶
Q A
Phase A
Reactive
Power
X
±√(𝑆 𝐴)
2
− (𝑃 𝐴
2
)
Q B
Phase B
Reactive
Power
X
±√(𝑆 𝐵)
2
− (𝑃 𝐵
2
)
Q C
Phase C
Reactive
Power
X
±√(𝑆 𝐶)
2
− (𝑃 𝐶
2
)
Q ABC
Three phase
reactive
power
X
𝑄 𝐴 + 𝑄 𝐵 + 𝑄 𝐶
3
