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Phone: 400-027-8938

Mobile: 133 9714 9829

Product Details

Features and Benefits

  • It employs a through-type current transformer, which is completely isolated from the secondary circuit, ensuring high safety.
  • It adopts a distributed measurement architecture, featuring on-site measurement and digital transmission, with protocol compliance. DL/T860 Standard
  • It can be installed live, meaning no power outage is required for installation on the main equipment, enabling convenient and rapid system integration.
  • A digital filtering method is employed to eliminate the “zero-drift problem” inherent in analog filters.
  • Employing a high-precision active zero-flux sensor, the system intelligently selects the conditioning circuit and amplification factor based on the magnitude of the measured current, thereby significantly enhancing measurement accuracy.
  • Features real-time on-site temperature and humidity measurement.

Technical Specifications

The technical parameters of this device fully meet or exceed the following national and corporate standards and regulations:

“Inspection Specification for Online Monitoring Devices in Substations, Part …” 1 Section: General Inspection Specifications Q/GDW 540.1-2010

  • Operating voltage: AC  220V ± 10%, 50 Hz
  • Operating ambient temperature: -40 °C～ 120 °C
  • Power consumption: at rated voltage <5W
  • Operating environment humidity: ≤ 95 %
  • Current measurement range: 1mA ~ 10A Accuracy: ± 1% or ± 1mA Take the larger one.

 

Keywords:

NDTXD-50S Transformer Core Grounding Current Online Monitoring System

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