Amtech, a leading manufacturer & Supplier offers AC Drives, Variable Frequency Drive, VFD, Regen Drives, Soft Starters, Industrial Control Panels, AHF, AFC, Power Electronics products and Automation solutions.
ENERGY SAVING IN WASHING CYCLE PUMP
Industry : Paper
Application : Washing Cycle Pump.
Application : Washing Cycle Pump.
Motor rating : AC Induction Motor, 3-Phase
kW : 45
Volt : 415
RPM : 1470
Hz : 50
Amp : 78
Previous system: Motor was running on Star Delta Starter.
Problem observed: 1. High maintenance cost.
2. Energy losses due to flow control by valve.
Present system: Amtech Axpert-Eazy Series VFD , 55 kW Variable Frequency Drive used.
+
kW (Consumption) Valve Position
Previous system
(Without drive) : 40 kW 90 %
Open
Present system
(With drive) : 32 kW 100 %
Open
System block diagram : 
Merits of new system : 1. Easy & smooth operation
2. Energy saving due to flow control by Variable Frequency Drive
2. Energy saving due to flow control by Variable Frequency Drive
Economical analysis :
Energy consumption without VFD - P1 = 40 kW
Energy consumption with VFD - P2 = 32 kW
Energy saving per day ((P1 - P2) x 24) = 192 Units
Saving per day @ Rs. 8/- Unit = Rs. 1,536/-
Saving per crushing season (Approx. 300 Days) = Rs. 4,60,800/-
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