POWER  POWERDOWN 220


engineer reading this, it is more than likely that that the motors in your facility are not operating  To draw electricity from the supply and


convert it into mechanical work, a motor will use  energy, we need to make sure this process is as  when we are running the motor at close to its 


A 10 kW motor that is asked to deliver only a   process of conversion to mechanical energy in    


 need to design the machine with a motor that is larger than the mechanical load, which makes ensuring the motor is highly loaded automatically   motors come in standard sizes, you will also generally have to pick a motor that is slightly  When designing equipment, mechanical engineers will usually work on worse-case scenario assumptions when specifying the      


After an electrical engineer has designed a control system for the mechanical equipment,    certain size of motor is already in stock, or a large 


 to scenarios where motors are chosen without 


THE COST OF OVER-VOLTING  standards for motor manufacturers stipulate that           


Three phase induction motors deliver a constant speed over a wide voltage range.





  The motor still runs at the same speed and delivers   means you have made the motor the size it ought   


PROS AND CONS Deciding whether voltage optimisation is right  


pump or fan applications where a large motor is   press in a metalworking application, the motor is only highly loaded during one part of the process, leaving an opportunity to save energy during the period where it is idling and therefore lightly 


      


The potential gain in equipment lifespan       


with multiple motors, each of them receiving high    yet overvolting these machines will often lead    


     you and your equipment depends on a range of    


30 April 2024 Irish Manufacturing www.irish-manufacturing.com


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