1744/1743
Users Manual
Logger Parameters with Function P
The following are the parameters of the 1744/1743 Logger with function P.
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| 1 | N |
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RMS value of voltage and current. | Vbas | = | ⋅ ∑Vi | 2 | ||
Basic values on 200 ms per phase. |
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| N | i=1 |
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| 1 | N |
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| Ibas | = | ⋅ ∑ Ii | 2 | ||
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| N | i=1 |
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RMS value of voltage and current per logging interval per phase
Active power based on samples. Basic value on 200 ms per phase.
Active power per logging interval per phase
Total active power on all three phases
N:Number of samples in 200 ms intervals (2048)
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| 1 | M | |
V | RMS | = |
| ⋅ ∑V | ||
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| M | bas j | ||
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| j=1 | ||
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| 1 | M | |
I RMS | = |
| ⋅ ∑ Ibas j | |||
| M | |||||
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| j=1 | ||
M: Number of 200 ms intervals per logging interval
1 N
Pbas = N ∑i=1 Vi ⋅ Ii
1 M
P = M ⋅ ∑j=1 Pbas j
Pbas: 200 ms value
M:Number of 200 ms intervals per logging interval
3
Ptotal = ∑ Pk
k=1
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