This set up is designed to study the measurement procedure of ‘Positive , Negative & Zero sequence impedance’ of 3phase transformer. It consists of

  • One number of 3 phase transformer is provided for sequence impedance measurement purpose
    • Input 3 Phase 415vac
    • Output 3 Phase ,110-0-110VAC@ All 3 phases
    • Capacity 1KVA
  • One number of digital AC Ammeter 0-5A AC with LCD display & input banana terminations is provided for Transformer current measurement
  • Two number of digital AC Voltmeter 0-500V AC with LCD display & input banana terminations is provided for Transformer voltage measurement
  • All the above transformer & digital meters are mounted on a nice powder coated cabinet with sticker front panel
  • Necessary transformer terminals & meter terminals are terminated by connectors on front panel
  • One number of 3 phase Autotransformer -1KVA is provided
  • One number of digital Multimeter is provided to measure winding resistance
Experiments
  1. Measurement of Positive sequence impedance of three phase transformer using meter readings & formula
  2. Measurement of Negative sequence impedance of three phase transformer using meter readings & formula
  3. Measurement of Zero sequence impedance of three phase transformer using meter readings & formula.
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