Online Hera Efficiency Calculator

Calculate your efficiency savings based on known motor horsepower
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Toggle Between HERA Efficiency Calculator Advanced Basic Simple
Duty Cycle hours/day   Input Speed RPM (at gearbox input shaft)
  days/week Energy Cost $/kW-hr

  Current System HERA System
Gearbox Description
Gearbox Ratio (to 1) to 1
Motor Description
Motor Rating (HP)
Approximate Motor Service Factor (rated HP/operating HP)  
Motor Efficiency %
Gearbox Operating Efficiency  
Calculated Output Torque (at specified motor SF)  
Required Motor Service Factor  
     
Gearbox Price (optional) $
Motor Price (optional) $

Gearbox Operating Efficiency   %
Motor HP (required to provide same output torque as current system)   HP
Minimum Motor Rating (compare to motor rating of current system)   HP
     
Electrical Requirement (kW) kW
     
Total Purchase Price $
Annual cost of usable power $
Annual cost of gearbox inefficiency (wasted energy) $
Annual cost of motor inefficiency (wasted energy) $
Annual Operating Cost (total) $
First Year Cost (energy cost + purchase price) $
Annual Energy Cost Savings ($) $
Annual Energy Savings (%)
First Year Savings (includes purchase price)  $
Annual Energy Savings (kW-hrs) kW-hrs

Based on the information provided, this application may offer the potential to use a smaller motor.


Input Power
 
 
 
" Does not apply
in Simple Mode"
Motor Efficiency Losses
 
 
 
 
Usable Output Power
 
 
 
Gearbox Efficiency Losses
 
 
 
 

Input Power
 
 
 
 
" Does not apply
in Simple Mode"
Motor Efficiency
Losses
 
 
 
 
 
Usable Output Power
 
 
 
Gearbox Efficiency
Losses
 
 
 
 
Annual Energy Cost Savings :  $
Annual Energy Savings :