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Thytronic

NA30

General protection

The relay type NA30 is typically used in radial MV networks as feeder or power transformer protection:

  • On long radial feeders in ungrounded or Petersen coil and/or high resistance grounded systems
  • On the LV side of parallel connected transformers with any grounding
  • As earth fault protection of parallel connected generators or generator-transformer unit on the same busbar
The relay complies with CEI-016 requirements.


FUNCTIONS


STANDARD PROTECTIVE & CONTROL ELEMENTS

  • Thermal Image Transformer - 49LT
  • Phase overcurrent side H and side L - 50/51
  • Maximum Residual Overcurrent - 50N/51N(1)
  • Residual Overvoltage - 59N
  • Ground directional overcurrent - 67N
  • Breaker Failure - BF
  • CT Supervision - 74CT
  • Trip Circuit Supervision - 74TCS
  • CEI 0-16
  • Second Harmonic Restraint
  • Sequence of Fault Recorder (SFR)
  • Sequence of event Recorder (SER)

SW PACK OPTIONAL CONFIGURATION

  • Digital Fault Recorder (DFR)
HW PACK OPTIONAL CONFIGURATION
  • Thermal with Pt100 Probes - 26

COMMUNICATION FUNCTIONS

  • Modbus TCP-IP
  • One USB Type B local port for communication with ThyVisor setup software
  • Modbus protocol RTU RS485 / IEC 870-5-103 / DNP3

DOWNLOADS

NA30 coding
Flyer NA30
NA30 Manual

RELATED PRODUCTS

NA60

The relay type NA60 can be typically used in radial or meshed MV and LV networks as feeder or power transformer protection:

  • on radial, ring and parallel feeders of any length in solidly grounded, ungrounded, Petersen coil and/or resistance grounded systems
  • on parallel connected generators on the same busbar
  • Moreover undervoltage and overvoltage functions are provided as protections or voltage controls.
The NA60 relay can be can be shipped with circuits for input phase current suitable for traditional CTs and VTs, or combined ThySensor devices.

The NA60 relay complies with CEI-016 standard

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XMR-P


XMR-P is a part of XMORE platform, the complete range of IEDs for Medium Voltage application including feeder, motor, generator, transformer and capacitor bank; it is the multifunction and comprehensive Feeder, Transformer, Motor and Generator protection which includes an accurate and complete measurement, including Energy and Power.

Thanks to Hardware and Software modularity XMR-P is flexible and scalable in term of application and performance as:

  • Feeder Protection (Standard SW configuration)
  • Feeder Protection with additional Power protection element (SW PAC Power)
  • Feeder Protection with additional Directional Overcurrent and Earth Fault element (SW PAC Directional) 
  • Generator and Motor Protection relay (SW PAC Motor)
The relay is compliant with CEI-016 requirements

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