Elspec G4430 - Non-Measured Currents

196
ELSPEC
G
G
4
4
K
K
F
F
i
i
x
x
e
e
d
d
P
P
o
o
w
w
e
e
r
r
Q
Q
u
u
a
a
l
l
i
i
t
t
y
y
A
A
n
n
a
a
l
l
y
y
z
z
e
e
r
r
U
U
S
S
E
E
R
R
&
&
I
I
N
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
I
I
O
O
N
N
G
G
U
U
I
I
D
D
E
E
Non-Measured Currents
The Non-measured Current section helps to configure calculated current channels.
There are two calculation options & they differ for:
 WYE Network,
 DELTA & Single Split Phase Network
CONFIGURING CALCULATED CURRENT CHANNELS FOR WYE NETWORK
 Ensure the Power Configuration coincides with your Network
 In th e Non-Measured Currents section, sele ct t he ap plicable p hase t o be
calculated:
Calculation is based on Kirchhoff’s laws - everything that comes in must go
out, in order for the calculation of one of the current line to be based on
the other measured lines in stead of m easuring it. For ex ample w hen L
x
is
Absent it is being calculated using the other lines instead of measuring it.
Or the ne utral c urrent I
N
could b e o ptionally c alculated f rom t he su m o f
three-phase currents, or alternatively, measured by the I
4
CONFIGURING CALCULATED CURRENT CHANNELS FOR DELTA &
SINGLE SPLIT PHASE NETWORK
current channel.
 Ensure the Power Configuration coincides with your Network
 In the Non-Measured Current section, select the applicable phase to be
missed:
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