The Hidden Gem of Quick Wins - APDS
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This document discusses ways that companies can save energy by changing pump speeds. It notes that power is proportional to speed cubed, so reducing pump speeds can significantly reduce energy usage. A live demo is planned to show how variable speed drives can reduce the current and power required to run a fan, showcasing energy savings opportunities. The document examines how fixed speed pumps use more power than needed to produce flows, while variable speed drives allow matching power input to required flow levels.
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The Hidden Gem of Quick Wins - APDS
- 1. Go Green 2015 Hidden Gems Quick Wins Alan Jones
- 9. 1. Sizes for worst case conditions 2. Adds margin 3. Chooses next motor size 95%
- 12. 100 75 50 25 25 50 75 100 42.1 12.5 Power versus Speed - Variable Torque Load Saving Energy by Changing Speeds Power is proportional to (Speed)3 100 75 50 25 25 50 75 100 42.1 12.5 Speed (%RPM), Flow (%GPM or %CFM) Power(%HP)(%kW)
- 13. Fixed vs variable speed 0 20 40 60 80 100 120 0 20 40 60 80 100 Flow (%) Power Power to Produce Useful Flow Power to Fixed Speed Pump Power Input to VSD
- 17. Live Demo • APDS Engineer on Site • Ammeter • Fan with NO VSD Fitted • A web Cam • Current Amps are : = kW • Revised Amps are : = kW
- 18. End of Part One
Editor's Notes
- Hello I am Alan Jones Sales Director from APDS We are based in Avonmouth Part of the ABB AVP network ABB is the worlds largest electrical engineering company, At APDS we employ 13 staff
- Relatively small Company however we do our bit Recycle paper, card, Keep vehicles well maintained and we recycle electrical waste. An award from ABB for electrical recycling from ABB for 2014
- This is important to us, every little helps.
- So we do our bit and we have done for years however its what we do for others that is important
- So successful in some of these that we have received awards from a national magazine Energy efficient Installation of the month
- One of our biggest savings was at SWW
- Not only big companies
- How do we do this Motor applications are oversize
- Manufacturers fit dampers to restrict the flow
- Same as driving your car with foot to the floor and applying the brakes, not sensible so why do they do it.
- Savings are to speed cubed Remember not to go too slow pump curves and motor cooling 9% Speed reduction =25% energy reduction Balloon demo
- If you have plant that looks like any of these, or even one of these
- Where do you start, the easy ones….bigger the better, long running hours.
- Its easy, call us. With ABB we have developed an online energy appraisal tool, we will visit site make measurements and produce a report. Executive summary Annual savings Then to confirm our findings and add confidence to you we will fit a trial drive and prove it before you commit.