Rotary Converter vs VFD

Cost Comparison
25 Hp Leg, 15 Hp Pit Conveyor and 7.5 Hp Unload Auger

Rotary Converter

Qty. Description Unit Price Extended Price
 1  Rotary Converter   $3,700.00   $3,700.00
 2  25 Amp 2 Pole Mini Breaker D Curve   $75.00   $150.00
 1  60 Amp 2 Pole Mini Breaker D Curve   $100.00   $100.00
 3  Illuminated Start Pushbuttons   $50.00   $150.00
 3  Stop Pushbuttons   $25.00   $75.00
 1  25 Hp Motor Starter w/OL   $350.00   $350.00
 1  15 Hp Motor Starter w/OL   $250.00   $250.00
 1  7.5 Hp Motor Starter w/OL   $200.00   $200.00

 Total $4,975

 

Variarble Frequency Drive

Qty. Description Unit Price Extended Price
1  40 Hp Variable Frequency Drive for Leg   $3,300.00   $3,300.00
1  25 Hp Variable Frequency Drive for Pit & Unload Auger   $1,400.00   $1,400.00
2  60 Amp 2 Pole Mini Breaker D Curve   $75.00   $150.00
1  60 Amp 2 Pole Mini Breaker D Curve   $100.00   $100.00
1  2 Position Selector Switch – Auger/Pit   $35.00   $35.00
1  15 Hp Motor Starter w/OL   $250.00   $250.00
1  7.5 Hp Motor Starter w/OL   $200.00   $200.00

Total $5,435

 

 
The variable frequency drive system above utilizes the 25 Hp drive to operate the unload auger and the pit, both motors are not intended to be operated at the same time.

Advantageous of Variable Frequency Drive

  • Extended life of mechanical and electrical components
  • Higher throughput & efficiency based on operating with a balanced load
  • Potential to reduce initial cost and expand as needed
  • Variable Speed Capability

 

Comments are closed.