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Differential Protection Trainer For Three Phase Transformer

SKU: 9526 Category:

The Differential Protection Trainer kit for three phase transformer is a standalone unit useful for the students of Electrical Engineering to understand the operation of an Induction type relay for differential protection. 3 Phase Transformer, 3 Phase Variac, Current Transformers, differential protection relay, meters, etc are all housed in an elegant cabinet with an intelligently designed layout on the panel. A comprehensive Instruction Manual complete with Theory, Operating details, block/circuit diagram, Observation table, etc will be supplied along with the unit.

Objective :

  • To analyse the differential protection scheme as applied to 3f Transformer.
  • To describe the operation and setting of differential protection.
  • To evaluate the differential protection performance.

Technical Specification :

  • Relay Type : High Speed Biased Differential Relay Static / Numerical Relay
  • Input Voltage : 3Ph 440V, 50Hz AC.
  • Variable AC Source : A 3 Ph Variable Auto Transformer of 5A rating is provided.
  • Transformer : 3 ph transformer 440V / 230V of suitable rating is provided.
  • C.T’s : Six C.T’s of suitable rating are provided 3 each at the primary of the transformer and 3 at the secondary of the transformer.
  • Relay circuit diagram : On front panel
  • Metering : Digital Ammeters and Voltmeters are provided at the primary and secondary of the transformer.
  • Load: Three resistors are provided for loading of the transformer.
  • Indicator : Main power supply, relay trip, alarm
  • Switches : Power on, start.

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