Abstract:A reference setup for system calibration of industrial transformer loss measurement (TLM) systems consists of three main components, a voltage divider, current transformer and a power meter, and their phase displacements should each not be more than 10 µrad to achieve an overall system uncertainty of better than 20 µW/VA. We have extensively verified the uncertainty level of the current-comparator-based capacitive voltage divider (CVD) used in the TLM reference setup of the Van Swinden Laboratorium (VSL), both… Show more
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