C H A P T E R 10 – S P E C I F I C A T I O N S
AT5600 User Manual 98-119 issue 14 Page 212
10.2.4. TR Test
The accuracy is based on the chosen test conditions, and is given by:
where:
A
T
is the total accuracy (%)
A
R
is the basic relative accuracy (%)
A
C
is the calibration accuracy (%)
A
PV
is the correction for primary voltage level (%)
A
SV
is the correction for secondary voltage level (%)
A
N
is the correction for the turns ratio (%)
where:
where:
F
M
is the test frequency (Hz)
V
PM
is the measured primary voltage (V)
V
SM
is the measured secondary voltage (V)
N
M
is the measured turns ratio (Primary/Secondary)
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