ABB REG316 4 Series - Page 132

ABB Switzerland Ltd REG 316*4 1MRB520049-Uen / Rev. F
3-94
IV. Measurements
· current amplitude
of the three phase currents (I
R
, I
S
, I
T
)
· active power
A positive measurement indicates the forwards direction
(I
R
* U
ST
, I
S
* U
TR
, I
T
* U
RS
)
· voltage amplitude
Amplitudes of the phase-to-phase voltages
(U
ST
, U
TR
, U
RS
).