1.5/3 kW 1-/2-/4-quadrant chopper, 1-/3-phase inverter – Training module (ref: EP660000)

Specifications:

Each branch is equipped of one insulated probe with BNC output.

Chopper:
▪ Serial
▪ Voltage reversible
▪ Current reversible
▪ Four quadrants
▪ Serial mixed ( 0 +E 0 / 0 –E 0 )

Inverters:
Single-phase
▪ Full-wave, shifted control, fixed frequency.
▪ Full-wave, shifted control, variable frequency.
▪ PWM +/-E, +/0/-E.
Three-phase
▪ Full-wave, shifted control, fixed frequency.
▪ Full-wave, shifted control, variable frequency.
▪ PWM +/-E, +/0/-E.

Closed loop control (linked with the EP 661 000 control console):
▪ Speed & position servo-control of a DC motor.
▪ Speed & position servo-control of a three-phase motor (vector control).
▪ Study of different correctors: P, PI, PID, cascade, state feedback, Z transform.
▪ Generation of new correctors by integrated C compiler….

Safety devices:
▪ Excitation current monitoring.
▪ Protection against short-circuits (short-proof, even at full load).
▪ Supervision of power supply: min 12 V / max 240 V before start.
▪ Load current control of the filter capacitor when powering up.
▪ Emergency stop if the reversible capacitor voltage exceeds 260 V.
▪ Monitoring of the current in the discharge transistor.
▪ Monitoring of the reversible capacitor voltage.
▪ Monitoring of the heat sink.

Control panel:
The control panel ensures the user’s interface & the system control.

Optional:
▪ EP560200, D_CCA: Study of the servocontrol of DC motors ,
▪ EP560800, D_Scil: Automatic generator of real time correctors with Scilab/Xcos®.
→ speed or position servocontrol of DC motor, vectorial control of 3-phase motor…