Accura 2300S/2350-1P3FSC User Guide
Chapter 5 Measurements
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Page 157
Fig 5.11 Manual Sync
Avg 4.7
Avg 2.9
Avg 4.3
1:09
1:14
time
1:00
source
input
Demand Time (T
dmd
=T
sub
*N
sub
=15 min)
1:04
Manual sync command
2:04
2:09
1:19
1:59
Avg 3.4
Avg 3.2
Voltage Harmonics
512 samples are taken per cycle for analysis of voltage harmonics, and the THD is calculated with
harmonics up to the 40th order.
THD =
√∑
𝑉
𝑘
2
40
𝑘=2
𝑉
1
where V
1
: fundamental voltage, V
k
: k-th harmonic voltage
Current Harmonics
64 samples are taken per cycle for analysis of current harmonics, and the THD is calculated with
harmonics up to the 31st order.
THD =
√∑
𝐼
𝑘
2
31
𝑘=2
𝐼
1
where I
1
: fundamental current, I
k
: k-th harmonic current
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