NEWS

New Outdoor Split-core CT for revenue-grade distribution Transformer

October 9, 2013

In generally, Outdoor Split-core CT which is being used for distribution transformer monitoring, is designed to fulfill IP67 standard. However, these current sensors are vulnerable to the external circumstances such as UV, rain, wind, vibration and lightning surge.

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New ISAST WI-GEM

October 9, 2012

Wireless Green Energy Meter, Wi-GEM utilizes in Zigbee telecommunication solution. It is used for industrial application like factory, building automation and SCADA as well. Wi-GEM is consisted of EMU (Energy Meter Unit), EMR (Energy Meter Router), EMC (Energy Meter Coordinator) and iSaST open CTs such as split CTs or flexible Rogowski coils by customer need. Customer can choose their lines from single phase to 3phase 3lines / 3phase 4lines for metering.

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New How to choose between Split-Core CT and RCT for Power and Energy monitoring

October 9, 2012

Engineers of power and energy monitoring systems are concerned about choosing split-core current transformers (CTs) for high quality measurement without disconnection of the power line and problems pertaining to temperature change or vibration and installation safety. J&D’s split-core CTs are available as iSaST OPEN CTs with a magnetic core and iSaST OPEN RCT with an air core as advanced technology. Here, we introduce their individual characteristics to provide the best solution for engineers and the power system.

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