FUNCTION CHARACTERISTICS
51
NVA100X-D - Manual - 02 - 2016
Energy
Positive and negative active energy (one second refresh): +
E
A
, -
E
A
,
Total active energy (one second refresh):
E
A
,
Positive and negative reactive energy (one second refresh): +
E
Q
, -
E
Q
,
Total reactive energy (one second refresh):
E
Q
Use of over-described measures is shown in the following tables.
•
•
•
•
E . a i
E
A
+ = ∫(+
P
dt)
E
A
- = ∫(-
P
dt)
E
A
= ∫(
P
dt)
E
Q
+ = ∫(+
Q
dt)
E
Q
- = ∫(-
Q
dt)
E
Q
= ∫(
Q
dt)
E
A
+,
E
A
-,
E
A
E
Q
+,
E
Q
-,
E
Q
+
P
-
P
+
Q
-
Q
(Wh)
(varh)
E . a i
E
A
+ = ∫(+
P
dt)
E
A
- = ∫(-
P
dt)
E
A
= ∫(
P
dt)
E
Q
+ = ∫(+
Q
dt)
E
Q
- = ∫(-
Q
dt)
E
Q
= ∫(
Q
dt)
E
A
+,
E
A
-,
E
A
E
Q
+,
E
Q
-,
E
Q
+
P
-
P
+
Q
-
Q
(Wh)
(varh)
