Order No.: GT2023070802
 
Technical parameter
INPUT: Triphasic, 380V + N+ G, 60Hz
 
OUTPUT:
Provides separate fixed and variable three-phase and single-phase AC and rectified DC voltages.
To conveniently carry out all the tests for Electric Machines and Electrical Installations laboratories.
The power supply is intuitive and safe to operate with; start and stop pushbuttons to enable the voltage, outputs, emergency mushroom push-button, key-unlocked general switch, and magneto-thermal switch. It can be operated manually or remotely through dedicated 0-10 voltage and relay signal inputs. A dedicated over-speed connector can be used to protect the electric machines under test.
The front panel includes the safety terminals for the voltage outputs, sockets for powering additional modules and control terminals according to the IEC standards. Overcharge, Short Circuit and Differential Protection, Connection Terminals 4mm, Diameter.
 
Output Voltages:
Selectable variable three-phase AC voltage (Voltage or relay controlled): 3x0-480V, 5A or 3x0-240V, 10A.
AC Outlet for PC and Monitor (220V 60Hz Single-Phase)
Variable rectified DC (voltage or relay controlled): 0-290V, 12A
Fixed three-phase AC from the mains.
Fixed DC: 220 V, 1 A
Variable rectified DC: 0-225 V, 1 A
Electrical Power Digital Measuring Unit:
Measurement in direct current of: voltage, current, power and energy.
Measurement in alternate current of: voltage, current, power, active energy, reactive energy, apparent energy, cos phi and frequency.
Technical features: DC voltage: 300 Vdc, DC current: 20 Adc; AC voltage: 450 Vac, AC current: 20 Aac, Power: 9000 W
Communication: RS485 with MODBUS RTU protocol or similar.
 
Inverter:
Three-phase inverter for asynchronous motor drive and speed control. The speed set point and the sense of rotation can be defined directly on the inverter or manually adjusted using the speed set point potentiometer and direction selection switch on the front panel and can be adjusted in open or closed loop using the actual speed reading from the optical encoder. The front panel also include a digital instrument that displays the speed and estimated torque and generated mechanical power. The acceleration and deceleration ramps are separately set from 0.0 to 3200 seconds. The inverter settings must be programmable locally from the keyboard and remotely via RS485.

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