Three-Phase Transformer Application

The Three-Phase Transformer Application, to allow the students learn how to carry out different three-phase transformer tests and how they work.

ATENG 11108 — Three-Phase Transformer Application

• The “ATENG 11108” application includes the following elements:
• N-MED09. AC Ammeter Module (0-2.5 A) (2 units).
• Measurement range: 0 – 2.5 A.
• Terminals:
  Measurement terminals.
  N-MED09
• N-MED22. AC Voltmeter Module (0-400 V).
• Measurement range: 0 – 400 VAC.
• Terminals:
  Measurement terminals.
• N-MED34. Three-Phase Balanced Wattmeter Module (0-1.5 kW) (2 units).
  N-MED22
• Nominal voltage: 0 – 1,5 kW.
• Terminals:
  Measuring terminals.
• N-TRANS09. Three-Phase Isolating Transformer, 400/400 VAC, 1 kVA, Module.
• Nominal power: 1 kVA.
• Primary winding voltage: 3 x 230 VAC Δ / 3 x 400 VAC Δ. N-MED34
• Secondary winding voltage: 3 x 230 VAC Δ / 3 x 400 VAC Y.
• N-REVT/1K. 1 kW Three-Phase Resistors Module.
  Three banks with three-phase variable resistances of 150 – 500 Ohm.
• Supply voltage: 230 VAC.
• Fuses: 3 x 2 A.
  N-TRANS09
  Fan forced cooling.
• N-CAR19T/3C. 3 x 300 Var Three-Phase Configurable Capacitors Module.
  Configurable star and delta connection.
  Three banks with three three-phase capacitors of 2 µF.
• Nominal voltage: 400 VAC.
  N-REVT/1K
• Nominal power: 3 x (3 x 100) Var.
• N-INDT/3C. 3 x 300 Var Three-Phase Configurable Inductances Module.
  Configurable star and delta connection.
• Inductance: 3 x (3 x 5) H.
• Nominal voltage: 400 VAC.
  N-CAR19T/3C
• Nominal power: 3 x (3 x 100) Var.
• Supply voltage: 230 VAC.
  Common point of normally close/open contacts.
• N-PSM. Power Switch Module.
• Supply voltage: single-phase 230 VAC.
  N-INDT/3C
• Power terminals:
  Four power input terminals (3PH + N).
  Four power output terminals (3PH + N).
• Auxiliary contacts:
  One “NO” contact.
  One “NC” contact.
  N-PSM
  Two push-buttons to open/close the power terminals and auxiliary contacts.
• Two control contacts of 24 VDC.
• Two voltage supply outputs of 24 VDC.
  3

Specifications

• MED65. Digital Multimeter (2 units).
• This module has a digital multimeter of 3 ½ digits, with double-jack ending cables of 4 mm to
  facilitate interconnections.
• With this digital multimeter we will be able to measure:
  Voltage.
  Current. MED65
  Resistance.
  Capacitors capacity.
  Temperature.
• N-VPS01. 3PH AC Power Supply Module.
  ON / OFF removable key.
• Supply voltage: 3 x 400 VAC + N.
  Emergency stop push-button. N-VPS01
• Three-phase supply hose with IP44 3PN + E 32 A 400 V connecting plug.
• Differential magnetothermal 4 poles, 25 A, 30 mA AC 6 KA.
• Fuses: 3 x 6 A.
• Motorized variable autotransformer:
• Nominal power: 3000 VA.
• Input voltage: 400 VAC.
• Fixed output voltage: 3 x 400 VAC + N.
• Variable output voltage:
• 0 – 450 VAC (3PH + N).
• 0 – 240 VDC.
• Nominal current: 2 A.
• Three-position switch with automatic return:
• Position I: Voltage reduction.
• Position 0: Constant voltage.
• Position II: Voltage increase.
• DC ammeter: 0 – 5 A.
• AC ammeter: 0 – 5 A.
• DC voltmeter: 0 – 300 V.
• AC voltmeter: 0 – 500 V.
  Autotransformer.
• Nominal power: 3000 VA.
• N-MED39. Balanced Three-Phase Var Meter Module 440 V.
  Three-phase balanced valve.
• 440 VAC.
• Range: 0 – 300 Var.
• Scale: 90°.
  N-MED39
• Accuracy: 1.5 %.
  50 or 60 Hz.
• N-MED07. Single-Phase Wattmeter Module (0-80 W, 230 VAC, 5 A).
• Measurement range: 0 – 230 VAC.
• Terminals:
  Measuring terminals. N-MED07
  4

Specifications