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Energy efficiency measures - Industrial - Motors

Template assignment

Base case
  • 5 hp pump operates about 3,000 hours per year
  • 100 hp standard efficiency motor operates a rock crusher 24 hours per day
  • Both need to be changed
  • 75% load factor for both
Proposed case
  • Decrease pump use to 5.5 hours per day
  • New premium efficiency motor
  • Same load factor for motor and pump
  • 100 hp motor can be shut down for 2 hours per day
  • Incremental cost for new pump: $500
  • Incremental cost for premium efficiency motor: $10,000
Solution

The worked-out solution is the data file selected from within the RETScreen Project Database. The user automatically downloads the Project Database file while downloading the RETScreen software.