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Category Archives: 2014

November New split-core outdoor rogowski coil CTs (JRF MOI SERIES)

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Conventional split-core outdoor Rogowski coil CT has the inherent problem of coil inductance tolerance, requiring additional software coding at the smart meter or transformer monitor to match the CT’s output. This problem causes inconvenience and extra cost because of the additional set up and configuration time at the meter or monitor, as well as additional […]

November new Advanced split-core outdoor CTs (JOS SERIES)

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Conventional split-core CTs with a magnetic core have limitations. They are vulnerable to external environmental factors that erode the core affecting electric parameters, which can result in overvoltage and surges. To avoid or lessen these problems, J&D has invented unique split-core outdoor CTs. Advantages over conventional split-core CTs: • added gasket to prevent core erosion […]

November New J Series Solid & split-core CTs for branch circuit Power meter

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Recently, sub-metering installation costs have been a hot topic because of the time involved installing CTs on a branch circuit. To mitigate this problem J&D has invented new solid core CTs, 1 and 3 phase and split-core CTs for branch circuit power meters. Our new J series with innovative design offers flexibility and safety. Advanced […]