4 Measurands and Recording
4.2 Measurands
50 SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
4.2.3.4 Measurands of Energy, Connection Types
Table 4-7 Measurands of Energy, Connection Types in Power Systems
Measur-
and
Circuit
1-phase
System
3-wire Network
(Delta)
4-wire Network
(Star)
Inter-
vals
(Cycle)
Balanced
(1I)
Unbal-
anced (3I)
Unbal-
anced (2I)
Balanced
(1I)
Unbal-
anced (3I)
Active Energy - Supply
WPa_
Supply
ax----x10/12
WPb_
Supply
b-----x10/12
WPc_
Supply
c-----x10/12
WP_
Supply
a, b, c-xxxxx10/12
Active Energy - Demand
WPa_
Demand
ax----x10/12
WPb_
Demand
b-----x10/12
WPc_
Demand
c-----x10/12
WP_
Demand
a, b, c-xxxxx10/12
Reactive Energy - Inductive
WQa_
inductive
ax----x10/12
WQb_
inductive
b-----x10/12
WQc_
inductive
c-----x10/12
WQ_
inductive
a, b, c-xxxxx10/12
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