76
Quantities
Formula
Comments
AC fundamental direct active power
(P+) (PEL104)
(
)
+
+
+
+
+
×
×
×
=
V
I
I
V
P
,
cos
3
θ
AC fundamental apparent power
(Sf
L
) (PEL104)
1
1
H
L
H
L
L
I
V
Sf
−
−
×
=
3
2
1
Sf
Sf
Sf
Sf
T
+
+
=
L = 1, 2 or 3
AC consumed active energy (E
P+
)
∑
+
+
=
x
T
P
P
E
AC generated active energy (E
P-
)
( )
∑
−
−
×
−
=
1
x
T
P
P
E
AC reactive energy in quadrant
1 (E
Q1
)
∑
=
1
1
x
q
T
Q
Q
E
AC reactive energy in quadrant
2 (E
Q2
)
∑
=
2
2
x
q
T
Q
Q
E
AC reactive energy in quadrant
3 (E
Q3
)
( )
∑
×
−
=
1
3
3
x
q
T
Q
Q
E
AC reactive energy in quadrant
4 (E
Q4
)
( )
∑
×
−
=
1
4
4
x
q
T
Q
Q
E
AC consumed apparent energy
(E
S+
)
∑
+
+
=
x
T
S
S
E
AC generated apparent energy
(E
S-
)
∑
−
−
=
x
T
S
S
E
DC consumed energy (E
Pdc+
)
∑
+
+
=
x
Tdc
P
P
E
dc
DC consumed energy (E
Pdc-
)
( )
∑
−
−
×
−
=
1
x
Tdc
P
P
E
dc
Phase-to-neutral voltage har-
monic distortion rate THD_VL
(%)
THD is calculated as % of fundamental
VH1 is the value of the fundamental
Phase-to-phase voltage har-
monic distortion level THD_Uab
(%)
THD is calculated as % of fundamental
UH1 is the value of the fundamental
Current harmonic distortion
level
THD_IL (%)
THD is calculated as % of fundamental
IH1 is the value of the fundamental
Table 25
9.3. AGGREGATION
Aggregated quantities are calculated for a defined period according to the following formulas based on “1 second” values. They
may be calculated by arithmetic or quadratic averaging, or other methods.
Quantities
Formula
Phase-to-neutral voltage (V
L
)
(RMS)
]
1
[
1
]
[
1
0
2
s
V
N
agg
V
N
x
x
L
L
∑
−
=
×
=
Phase-to-neutral voltage (V
L
)
(DC)
∑
−
=
×
=
1
0
]
200
[
1
]
agg
[
N
x
Lx
L
ms
V
N
V
Phase-to-phase voltage (U
ab
)
(RMS)
∑
−
=
×
=
1
0
2
]
1
[
1
]
agg
[
N
x
abx
ab
s
U
N
U
ab = 12, 23 or 31
Summary of Contents for pel 102
Page 1: ...Power energy logger EN User s manual PEL 102 PEL 103 PEL 104 ...
Page 24: ...24 Aggregation period Date and time IP address scrolling Wi Fi address scrolling PEL104 ...
Page 36: ...36 Three phase 3 wire balanced 3P 3W b U12 U23 U31 f P Q S PF P Q S tan ϕ I1 I2 I3 ϕ I1 U12 ...
Page 38: ...38 Three phase 4 wire wye balanced 3P 4WYb I1 I2 I3 V1 V2 V3 VN U12 U23 U31 f P Q S tan ϕ ...
Page 39: ...39 DC 2 wire dC 2W DC 3 wire dC 3W P Q S PF ϕ I1 V1 P Q S tan ϕ P I V VN I1 I2 IN ...
Page 40: ...40 DC 4 wire dC 4W P I1 I2 I3 IN V1 V2 V3 VN V1 V2 VN ...
Page 48: ...48 Two phase 3 wire 1P 3W I1 I2 V1 V2 U12 VN P Q S P Q S ...
Page 51: ...51 P Q S ...
Page 85: ...85 ...
