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4 Measurands and Recording
4.2 Measurands
4.2.3.4 Measurands of Energy, Connection Types
Table 4-6
Measurands of Energy, Connection Types in Power Systems
Measur-
Circuit
1-phase
and
System
WPa_
a
Supply
WPb_
b
Supply
WPc_
c
Supply
WP_
a, b, c
Supply
WPa_
a
Demand
WPb_
b
Demand
WPc_
c
Demand
WP_
a, b, c
Demand
WQa_
a
inductive
WQb_
b
inductive
WQc_
c
inductive
WQ_
a, b, c
inductive
46
3-wire Network
(Delta)
Balanced
Unbal-
(1I)
anced (3I)
Active Energy - Supply
x
-
-
-
-
-
-
x
Active Energy - Demand
x
-
-
-
-
-
-
x
Reactive Energy - Inductive
x
-
-
-
-
-
-
x
Unbal-
Balanced
anced (2I)
-
-
-
-
-
-
x
x
-
-
-
-
-
-
x
x
-
-
-
-
-
-
x
x
SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
4-wire Network
(Star)
Unbal-
(1I)
anced (3I)
-
x
-
x
-
x
x
x
-
x
-
x
-
x
x
x
-
x
-
x
-
x
x
x
E50417-H1040-C568-A1, Edition 03.2015
Inter-
vals
(Cycle)
10/12
10/12
10/12
10/12
10/12
10/12
10/12
10/12
10/12
10/12
10/12
10/12
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