Numerical Multifunction Transformer Protection Relay : CSEPRO-T170

FEATURES
  • Programmable Rated Current 1A & 5A for HV & LV winding
  • 50/60Hz Nominal Frequency (Site selectable)
  • Draw-out Relay with Self CT shorting modular design
  • User configurable Digital Input / Digital Output *
  • Intelligent key for DI & DO status, details of fault pickup & status of last fault occurred
  • 10 Fault & 100 Event records with date and time stamp
  • 1200 cycles of Disturbance recording
  • Two sets of setting group
  • MODBUS on RS-485 with Standard screw Terminals
  • MODBUS on RS-485 with 9 pin DB9 Male connector
  • IEC 60870-5-103 on RS-485 with Standard screw Terminals
  • Interactive HMI with USB Plug & Play support
  • Wide Range of Aux Supply (Low/High/Wide Range)
  • Common configuration Software-CSE LIVELINK

CSEPRO series offers a multi-functional comprehensive smart protection solution for the Feeder, Generator, Motor & Transformer segment. CSEPRO family of protective relays are advanced numerical relays that provide multi protection and monitoring with reliable and fast protection solutions in a single unit. In this family of CSEPRO series, the CSEPROT-170 is an advanced transformer protection solution which has fast, sensitive and secure protection for transformer internal & external faults. CSEPROT-170 also provides an automation solution for power control. It complies with IEC60870-5-103, Modbus protocol for high integration of protection & control. CSEPROT-170 offers following model-based features to cover requirements of the wide range of users.

APPLICATION:

CSEPRO-T differential relays are used as the main protection and control units for two winding power transformers, for both internal faults and faults in the influence area of current transformers.

CSEPRO-T units require no interposing transformers to adjust CT Ratio and vector group correction as these adjustments are made by the relay itself in software. For these transformer winding configurations (Vector group Yd1, —- DD10) & CT ratio are selectable though HMI / USB communication. One has to select the correct transformer winding configuration and CT ratio used in the protection scheme.

A transformer protection relay offers important benefits by detecting faults and abnormal conditions, preventing damage to transformers, extending their lifespan and ensuring the safety and stability of the system. They reduce costly downtime by enabling quick fault isolation, save on repair and replacement expenses and help meet regulatory compliance requirements for electrical reliability. They also contribute to the integrity of the overall power system by providing vital data for maintenance.