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The CNT9110 cabinet protects an HV/MV Transformer. It controls the load tap changer, protects, and supervises the transformer in case of faults (bushings, Buchholz, MAXIB, etc.).
Depending on the Impedance Neutral (NI) / Compensated Neutral (NC) scheme, it compensates the neutral impedance according to capacitive currents. It transmits information to the CNR via the Industrial Local Network (RLI) using the IEC 61850 protocol.
Depending on the system version, it includes a redundancy function that allows reloading software or configuration without losing transformer protection or removing it from service.
CNT9110





