Page 41
Method 2: Calculation of Harmonics
Method 2 is used to obtain reactive power from apparent and active power, and the overall
apparent power by using calculation of vector apparent power.
=
T
a
a
a
dt
t
I
t
V
T
P
0
)
(
)
(
1
,
=
T
b
b
b
dt
t
I
t
V
T
P
0
)
(
)
(
1
,
=
T
c
c
c
dt
t
I
t
V
T
P
0
)
(
)
(
1
c
b
a
P
P
P
P
+
+
=
arms
arms
a
I
V
S
=
,
brms
brms
b
I
V
S
=
,
crms
crms
c
I
V
S
=
2
2
a
a
a
P
S
Q
−
=
,
2
2
b
b
b
P
S
Q
−
=
,
2
2
c
c
c
P
S
Q
−
=
,
c
b
a
Q
Q
Q
Q
+
+
=
2
2
Q
P
S
+
=
,
S
P
PF
=
a
a
a
S
P
PF
=
,
b
b
b
S
P
PF
=
,
c
c
c
S
P
PF
=
Note
P can be a positive or negative value, while Q is always a negative value.
Summary of Contents for Accura 3300
Page 1: ...Energy Solution for Human Nature...
Page 6: ...Page 6 Standards Compliance Process Control Equipment E324900 KCC REM RTE ACCURA3300...
Page 17: ...Page 17 Meter Dimensions Fig 1 3 Front View Fig 1 4 Rear View Fig 1 5 Side View...
Page 23: ...Page 23 Fig 1 12 Three Phase 4 Wire Connection Using 3 PTs and 3 CTs Wiring Mode 3P4U...