301
6
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Measurement of main circuit voltages,
currents and powers
6.2.4 Measurement of currents
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6.2.5 Use of CT and transducer
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6.2.6 Measurement of inverter input power factor
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120
100
80
60
0
60Hz40
20
%
Moving-iron
type
Clamp-on wattmeter
current measuremen
Clamp meter
Clip AC
power meter
120
100
80
60
0
60Hz40
20
%
Moving-iron type
Clip AC
power meter
Clamp-on wattmeter
current measurement
Clamp meter
_