Inverter in sugar mill
I have a 100 HP (75 kW) 1500 RPM motor in a sugar mill, operating a TurboRotor. The motor is oversized due to the large torque it needs to apply to start the turbo rotor, there is no solution to this problem because the motor was sold integrated in the machinery.
However, the motor can be equipped with an inverter because the load of sugar is intermittent. When the silo needs sugar a valve opens and feeds the turbo rotor, during which the electric motor consumes 40,5 kW, when the silo is full the valve closes and the motor keeps operating in "No Load" consuming 33,8 kW. It isn't profitable to turn off the motor because it takes too long to start and it would result in damage to it.
Therefore I decided to use an inverter to control the speed for the "Load- no Load" problem. Can you help me with the detailed energy savings part, because I am used to calculating for Pumps but this is a different situation.
However, the motor can be equipped with an inverter because the load of sugar is intermittent. When the silo needs sugar a valve opens and feeds the turbo rotor, during which the electric motor consumes 40,5 kW, when the silo is full the valve closes and the motor keeps operating in "No Load" consuming 33,8 kW. It isn't profitable to turn off the motor because it takes too long to start and it would result in damage to it.
Therefore I decided to use an inverter to control the speed for the "Load- no Load" problem. Can you help me with the detailed energy savings part, because I am used to calculating for Pumps but this is a different situation.
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