Methods for current transformer testing
Автор: OMICRONenergy
Загружено: 2010-11-26
Просмотров: 91854
Traditional current transformer testing follows a black-box approach. The current transformer is solely assessed through its external behavior without considering what is happening inside. Three such black-box testing methods exist, differing in their comprehensiveness and the effort they involve: primary-current injection using a portable high-current source; secondary-voltage injection using a portable variac; primary-nominal current injection using a high-current source, a reference current transformer, a burden simulator and a bridge. CT Analyzer opens the black box through secondary injection with variable frequency and a patented low-voltage, low-frequency method for excitation measurement.
Interested in current transformer testing? – Watch all of our videos: • Instrument Transformer Testing
More information about CT Analyzer: https://www.omicronenergy.com/en/prod...
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