Articoli

Sale Prova di Potenza

Pragma Engineering  realizza e personalizza laboratori di test per reattanza di bassa e media potenza e per trasformatori progettati su specifiche normative e sulle esigenze del cliente. 

  • Applicazioni: Testing di Transformatori di alta potenza e Reattanze LV-MV (400V ÷ 20KV);
  • Range: 400KVA ÷ 10MVA 
  • Typologia: Transformatori raffredati a olio, Trasformatori in resina, Trasformatori a secco.
  • Conforme a: CEI 14-8, CEI EN 60726, CEI EN 60076-1-2-3
  • Tipologia test
TransformerReactors
ELECTRICAL TESTS: ELECTRICAL TESTS:
  • Transformer ratio and winding control
  • Group measure (phasing angle)
  • Short circuit measurements (Vcc, Lcc, and losses)
  • Open circuit measurements (current and losses)
  • Resistance measurement
  • Inductance value
  • Open circuit measurements (current and losses)
  • Resistance measurement
INSULATING TESTS: INSULATING TESTS:
  • Applied voltage measurements
  • Induced voltage measurements
  • Partial discharges at applied or induced voltage
  • Recurrent surges
  • Applied voltage measurements
  • Partial discharges at applied voltage
  • Atmospheric impulse test (L.I.) and HV testing
  • Test over transformers used in large DC power supply
AC+DC test:
  • DC power with a superimposed an AC power