Model No. DL MAC-CCA_E / DL MAC-CCA_U
The DL MAC-CCA is a multipurpose bench for the speed control of three-phase asynchronous motors of EUROLAB (0.3 kW) and UNILAB (1.1 kW) electric machines.
The asynchronous motor represents the most important and simple case in the area of polyphase machines and it is the most widespread for industrial applications as food, chemical, metallurgical industries, paper factories or water treatment and extractive systems.
There are several ways to control the speed of an induction motor and the best way would be to have a variable frequency AC drive. The speed will be a little slower than the applied frequency but fairly close and to obtain an exact speed a feedback loop is provided with the bench to measure the rotating frequency and to adjust the variable frequency AC drive maintaining that speed as the
motor speed will decrease a bit due to an electromagnetic brake acting as a load.
The speed control can be achieved also through a manual control of a potentiometer with or without acceleration and deceleration ramps.
The variable frequency AC drive can be programmed from keyboard with on screen guide.
EXPERIMENTS
The experiments that can be performed are:
– Motor parameter setting / Autotunig
– Open loop speed regulation
– Jog speed
– Multistep control
– Motor power curve
– Motor torque-speed curve
– Closed loop speed regulation
For more details download catalogue from here
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