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Reactive Power Compensation (Power Factor Correction)


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This application includes:
AI8 unit, in metallic box, including:

  • Three-phase AC power supply:
  • Neutral (black) + R phase (red) + S phase (yellow) + T phase (green)
  • connectors.
  • Magneto-thermal protection.
  • Differential protecion.
  • Mushroom security button.
  • ON/OFF contact by removable key.

Variable resistive load (variable resistance), 500 W, variable up to 150 by a rheostat.
Two coils with inductive loads of 33, 78, 140, 193 and 236 mH, each one.
Three banks of of 4 capacitors of 7 ΩF, each one. Ground connection.
Protection fuses (3.15A).
EAL. Network Analyzer Unit.

  • Cables and Accessories, for normal operation.
  • Manuals: This application is supplied with the following manuals: Required Services,
  • Assembly and Installation, Starting-up, Safety, Maintenance Practices
  • Manuals.
  • This unit shows the main electric parameters on the electric network through the
  • interface and an parameter selection.
  • Metallic box.
  • Diagram in the front panel.
  • 3 current inputs, for series intensity.
  • 3 voltage terminals, for each phase (R,S,T) measure and another one for the connection.
  • Control and visualization digital display.
  • Voltage: Range 20 - 500 Vrms. Prec.: 0.5%. Phase to phase - Phase to neutral.
  • Current: Range 0.02 - 5 Arms. Prec.: 0.5%.
  • Frequency: Range 48 to 62 Hz. 0.1Hz.
  • Power: Active, Reactive and Apparent. Range 0.01 to 9900 kW. Prec.: 1%.
  • Power Factor: Power Factor for each phase and average. Range -0.1 to + 0.1.
  • Prec.: 1%.
  • Operating temperature 0 to +50°C.


1.- Measurement of active power consumed by a receiver (resistive circuit).
2.- Measurement of the inductance of a coil.
3.- Measurement of the reactance XL considering RL.
4.- Measurement of reactive power consumed by a receiver  (inductive circuit).
5.- Measurement of reactive power consumed by a receiver (capacitive circuit).
6.- Measurement of apparent power consumed by a receiver.
7.- Measurement of power factor of a receiver.
8.- Measurement of active energy consumed by a receiver.

9.- Measurement of reactive energy consumed by a receiver.

10.-Compensation of reactive energy (improvement of the power factor).

11.-Comparison of the active energy consumed after the compensation.

12.-Comparison of the reactive energy consumed after the compensation.

13.-Measurement of power factor after the compensation.