Proven Technologies in Energy Efficiency. Alex Fleming P.Eng. CMVP

Transcription

1 Prven Technlgies in Energy Efficiency Alex Fleming P.Eng. CMVP Demand Side Energy Nv. 17, 2008

2 Prven Technlgies in Energy Efficiency Technlgy vs. Applicatin Where des the Energy G? Prcess Cntrl and Prductin Infrmatin Drivepwer: Premium Efficiency Mtrs Speed Cntrl; Prductin and energy enhancement Lighting Technlgies Cmmissining; Maintenance Measurement and Verificatin

3 Green Technlgies are in Waste is ut but at what cst? Applicatin is key; it s hw the technlgy is prven.

4 Sme claims will be t Gd t be true Custmers wh bught this prduct als purchased Neutralize Radi- Active Waste HyCO 2A 'Get Mre MPG

5 Input Pwer Pwer Distributin System Mtr System VFD But there are lsses t be saved M Driven Equipment Cupling Fan Pump Blwer Prcess Output Pwer Prcess 91% 97% 98% 70% 55% Transmissin Mtr Drivetrain Equipment Prcess Efficiency Efficiencyi Efficiencyi Efficiencyi Efficiency Ttal Mtr System Efficiency = η T x η M x η D x η Eq x η P =.98 x.91 x.97 x.70 x.55 = 33%

6 2,500,000 2,000,000 1,500,000 Knw Yur Facility Use Prfile 2,000,000 1,800,000 1,600,000 1,400,000 1,200,000 Use (kwh) (kg) 1,000,000 1,000, , ,000 Mnthly Electricity Prductin 500,000 - Weather nrmalized electricity (kwh) Prductin (kg) 400, ,000 - Apr-000 May- Jun-000 Jul-000 Aug-000 Sep-000 Oct-000 Nv-000 Dec-000 Jan-01 Feb-01 Mar-01 Apr-01 May- Jun-01 Jul-01 Aug-01 Sep-01 Oct-01 Nv-01 Dec-01 Jan-02 Feb-02 Mar-02 Apr-02 May- Jun-02 Jul-02 Aug-02 Sep-02 Oct-02 Nv-02 Dec-02 Jan-03 Feb-03 Mar-03

7 Knw Yur Majr System Prfile Cmpre essr (KW) Plant Cmpressed Air System ressure (Psi) P cmpressr 1 cmpressr 2 cmpressr 3 Cmpressr 4 Ttal (KW) Pressure (Psi)

8 Utility bills indicate what has happened and averaged ver 30 days tend t nrmalize any events, utility meters can be read t set the stage Sub-meters n majr plant areas are under yur supervisin

9 Can supprting Wasteful practices mre efficiently be Energy Efficient Night and maintenance dn t make mney

10 P r v e n Sub-metering and prtable metering is a prven methd f targeting and measuring equipment effectiveness/efficiency n T e c h n l Investing $10,000 t save 50% f a $1500/year cst centre saves ½ the energy cst. g y # 1 That s a 13-year Payback!

11 Yur new equipment r distributed cntrls may already have r have available energy mnitring and trending sftware P r v e n T e c h n l g y # 2

12 Drive pwer accunts fr 75-90% f industry s electricity Drive pwer accunts fr 75 90% f industry s electricity cnsumptin : Mtrs and Driven equipment are key

13 Premium Efficiency Mtrs (PEM) High efficiency i at lw lads Wrk better with Variable Frequency Drives Premium Efficiency Mtrs are a direct replacement fr all general purpse and many special purpse applicatins. P r v e n T e c h n l g y # 3

14 Mtr Efficiency :Out f the Bx 100% Mtr Type 95% Hp Standard EPACT PEM r Efficiency (%) Mt 90% 85% 80% PEM EPACT Standard % 82.5% 85.5% 5% % 87.5% 89.5% % 91.0% 92.4% 75% % 94.5% 95.4% 70% % 95.0% 96.2% Hrsepwer Hp

15 100 Hp TEFC (4-ple) Life-Cycle Operating Csts Standard EPACT PEM Mtr Efficiency 92.0% 94.6% 95.4% Purchase Price $ - $ 3,800 $ 4,800 Inventry, Maintenance, Repair $ 24,719 $ 24,719 $ 24,719 Energy (Wrk & Eqt. Lss) $ 347,377 $ 337,829 $ 334,996 Lss $ 53,946 $ 35,412 $ 29,913 Ttal Ownership Cst (TOC) $ 426,041 $ 401,761 $ 394,429 Cst Avidance - with reference t Standard TOC $ 24,280 $ 31,613 * Based n 7000 hurs/year, 21-year lifespan

16 The prmise f energy efficiency and peak perfrmance is ften made at full r design lad. The present and future peratin f equipment is rarely at the design pint. Energy savings and cst avidance are mst ften available at part r n lad pints.

17 What technlgy is mre energy efficient? Circa 1950 Reciprcal Air Cmpressr r 2000 Centrifugal Air Cmpressr It's ften a matter f Part Lad Perfrmance

18 Part Lad Perfrmance- 7 Premium Mtrs 100% 40 Efficiency Perce ent Pwer Fac ctr / Efficiency 90% 80% 70% Pwer Factr Current Draw Pwer Input (kw) / Current Draw (A A) Input Pwer 60% 133% laded 100% laded 80% laded 67% laded 50% laded 40% laded 33% laded 15hp mtr 20hp mtr 25hp mtr 30hp mtr 40hp mtr 50hp mtr 60hp mtr 0

19 Transfrmers are Electric Machines t, much f the time they perate at lw lads. Lw lss materials and lts f them, make these machines mre efficient. Review plant transfrmatin and cmpare with plant electrical lad as a start Specify ENERGY STAR Transfrmers P r v e n T e c h n l g y # 4

20 Fr traditinal system design it s all abut the pick-pint p and selecting means f part-lad cntrl.. A fan may be selected n the maximum flw, but cntrlled prly fr part lad

21 Hw is part-lad Achieved? Multiple Installatins

22 Inlet Cntrls Outlet Cntrls

23 Smetimes create mre wrk t Smetimes create mre wrk t dissipate energy

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25 Variable frequency drives change the rtatinal speed f the driven equipment and develp a new fan, pump r blwer curve P r v e n T e c h n l g y # 5

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27 + = VFDs Prvide precise cntrl Sft Equipment Starting Reliable Operatin A Prcess Optimizatin Opprtunity

28 Variable Speed Drive Air Cmpressrs Turndwns Vary by Manufacture Energy Cntrl Optin Steadier Pressure Use with single/multi set up P r v e n T e c h n l g y # 6

29 Cmpressr Perfrmance Prfiles Aut Dual Unlad Pint Full Lad Pint ull Lad Pw wer Mdulatin N Lad Pint % C mpressr F N Lad Pints Mdulating Cmpressr 20 Aut Dual Cmpressr 10 0 Lad / Unlad Cmpressr Variable Speed Cmpressr % Cmpressr Capacity

30 Other equipment elements cunt: Efficient Air Dryer - lsses can be up t 17% N Lss Drains Lw Lss Filters P r v e n T e c h n l g y # 7

31 105 C mprressr (KW W) Cmpressr System is Off 15 0 Cmpressr Pressure (Psi) Efficient Supply-Side is Gd Pressure (Psi) Effective Demand Side is Better

32 Avid using air t d wrk: cnveying, air mtrs Wastes Energy and Damages Prduct Material mvement is 1000% less efficient with air.

33 LIGHTING: lighting csts can be reduced by mre than 50% with T-5 technlgies. 400W metal halide can be replaced with 225W flurescent Day lighting g and Dimmer Cntrls Set light levels activity apprpriate Tie lighting cntrl int PLC/DCS and use a reference phtcell. Incandescent t Flurescent wrks fr cnveyr lighting; equipment rms etc. P r v e n T e c h n l g y # 8

34 Plant Building Savings Plant Ventilatin Make-Up Air Systems Minimize discharge air temperature Schedule vlumes based n ventilatin demand Cnsider heat recvery r slar wall fr preheating

35 Slar Wall Pre-heating

36 Radiant Heating High Efficiency Bilers

37 Wherever pssible Pre and Pst Energy mnitring f the system imprvements e t ensure peratinal intent. M&V prtcls are well established use them P r v e n T e c h n l g y # 9

38 Installatin Cmmissining P r v e n Prvide recrdkeeping fr perating and field measurement data Review equipment selectin matching perating and efficiency pints Cmmissin the prject and peridically re- cmmissin. T e c h n l g y # 1 0

39 Wrk clsely with yur equipment and service Wrk clsely with yur equipment and service prviders Savings Energy can be as valuable as making mre prduct.

40 When yu dn t knw where t start: 1) IDENTIFY Perfrm a Custmer Site Investigatin t priritize pprtunities If yu knw f an end-use system with an pprtunity: 1) IDENTIFY Perfrm an End-Use Assessment t see if an Energy Study is wrthwhile The 3 I s 2) INVESTIGATE 3) IMPLEMENT Perfrm an Energy Receive Prject Efficiency Incentive Funds Feasibility Study t fr yur energy build a business case efficiency prject Yu d nt need t fllw this prcess. Yu can start r finish at any pint.

41 Custmer Site Investigatin What is a CSI? A 1-day walkthrugh f yur facility t analyze yur energy use and find pprtunities i t be mre energy efficient. The Offer: 100% funded. d

42 End-use Assessments What are End-Use Assessments? End-use Assessments are typically y ne day walkthrughs t scpe ut a ptential pprtunity t see if a mre extensive Energy Study is wrthwhile. Als knwn in industry as scping studies, prefeasibility studies r Level 1 Assessments The Offer: 100% funded up t $5000.

43 Energy Efficiency Feasibility Study What are Energy Studies? An Energy Study builds a business case fr an energy efficiency prject by prviding energy savings estimates, implementatin csts and ther benefits. The Offer: 75% funded. 100% if a hard-wired Energy Efficiency prject is implemented within 18 mnths, and if the first year savings exceed minimum threshlds. * See ESO Guidelines

44 Eligibility Custmer Site Investigatin Energy cnsumptin f the site shuld be between 1 GWh/yr and 20 GWh/yr (spending between $50,000 t $1,000,000 per year) Energy Studies and Assessments Energy cnsumptin f the system studied shuld be 1 GWh/yr (apprx. a fully laded 200 hp mtr running 6000 hrs/yr.)

45 Prject Incentives Funds What are Prject Incentive Funds? Prject Incentive Funds are available t reduce the capital cst f implementing hard-wired energy efficiency prjects. The Offer: BC Hydr can pay up t 75% f the prject cst r buy dwn yur payback perid t as lw as a 1 year.

46 When yu dn t knw where t start: 1) IDENTIFY Perfrm a Custmer Site Investigatin t priritize pprtunities 100% Funded If yu knw f an end-use system with an pprtunity: 1) IDENTIFY Perfrm an End-use Assessment t see if an Energy Study is wrthwhile 100% Funded 2) INVESTIGATE Perfrm an Energy Efficiency Feasibility Study t build a business case up t 100% Funded The 3 I s 3) IMPLEMENT Receive Prject Incentive Funds fr yur energy efficiency prject up t 75% Funded

47 Thank Yu! Fr mre infrmatin Please attend sessin titled: Pwer Smart Partners: Incentives/Opprtunities es/opp tu t es

48 Reimbursement Guidelines Reimbursement Table per Implemented Prject Ttal Energy Study Hardwired/Permanent Cst First Year's Savings (incl GST) Threshld [GWh] Range $0 - $10, $10,001 - $20, $20,001- $40, $40,001 -$60, $60,001 -$80, $80,001 -$100,