Energy Efficiency Services Limited (EESL), India Creating ...

1 Energy Efficiency Services Limited (EESL), India Creating an Energy Efficient World Energy Efficiency Services Limited India Energy Efficiency Services Limited (EESL) Who We Are A public Energy Service Company (ESCO) under Ministry of Power Established in the year 2009 100% share holding with Public Sector Enterprises Board of Directors represented by Ministry of Power and Bureau of Energy Efficiency (BEE) NTPC Limited ( India s Largest Power Generating Company | Market Cap as on 1st March 2016 US $ billion) Rural Electrification Corporation Limited (Market Cap as on 1st March 2016 US $ billion) Power Finance Corporation Limited (Market Cap as on 1st March 2016 US $ billion Power Grid Corporation of India Limited ( India s Largest Power Transmission Company | Market Cap as on 1st March 2016 US $ billion EESL is a joint venture company of four Public Sector Enterprises of Ministry of Power, Govt.))

2 Of India What we do Implement Energy Efficiency projects for Central and Provincial Governments and other Organizations Implement Demand Side Measures with an objective of Market Transformation in Energy Efficiency : Domestic Municipalities Agriculture Buildings Industry Presentation Structure Why High efficient Motors and motor systems approach Standards Global & Indian standards Motor Audit Approach & Analysis Tool Motor replacement project Motors Data collection format Sector wise Electrical Energy Consumption 70% of Energy consumption by Motors Energy handled by Motors is 10% Energy handled by Motors is 20% Energy handled by Motors is 3% 100 in 30 out System Efficiency is 30% Motor Driven Systems Life cycle cost Induction motors account for >100 times their first purchase cost during their life time Therefore , Negotiate the life cycle cost Stray Load (Wl) losses Core (Wc) Losses Rotor I R (Wr) Losses Stator I R (Ws) Losses Friction and Windage (Wfw)

3 Losses Loss distribution of a Typical Induction Motor 2 pole average 4 pole average in Stator - WCuS26%34%in Rotor - WCuR19%21%Hysteresis LossEddy Current Loss Frictional Losses WFrWindage Losses - WWindLosses due to asymmetrcal and leakage fluxes Stray load losses (Wl) 11%14%19%21%Mechanical Losses25%10% Losses Losses in Electrical ComponentsLosses in Magnetic Components Core losses (WFe) Losses in Mechanical ComponentsI R losses10 Standards scenario Global (Before Harmonization, 2008) Legislation Three-phase induction motors to 150kW 60Hz 2, 4, and 6 pole Specifies minimum efficiencies Testing to IEEE-112b Voluntary Three-phase induction motors to 90kW 50 Hz 2 and 4 pole Efficiency labelling Testing to IEC60034-2 EPACT CEMEP Agreement Global scenario Efficiency LevelsEfficiency ClassesTesting StandardPerformance StandardIEC 60034-30 IEC 60034-2-1 Mandatory MEPSG lobal 2008incl.

4 Stray load losses 2007 Policy GoalPremium EfficiencyIE3 Low UncertaintyUSA 2011 Canada 2011 Europe* 2015 (> kW), 2017 High EfficiencyIE2 USAC anadaMexicoAustraliaNew ZealandKoreaBrazilChina 2011 Switzerland 2011 Europe 2011 Standard EfficiencyIE1 Medium UncertaintyChinaBrazilCosta RicaIsraelTaiwanSwitzerlandbold means in effect*) IE3 or IE2+VSDIS12615: 2004 IS12615: 2011 1st revision of IS:12615-1989 Extends the range of motors (covers 2P and 4P motors from 160kW, 6P motors from 132kW and 8P motors from 110 kW) Efficiency Levels Eff1 & Eff2 (IEC60034-30) Test Method - 60034-2 2nd revision of IS:12615-1989 Extends the range of motors (covers 2P,4P and 6P motors from 375kW) Test Method: IEC 60034-2-1 (IS15999:2011) Efficiency Levels IE2 & IE3 (IEC60034-30:2008) MEPS - IE2 Additional parameters like breakaway torque, current & Full load speed & Full load current are included.

5 IS12615: MEPS shall be IE3 by Jan 2014 IS12615 - Past & Present Can anybody now offer Eff2 & Eff1 motors??? .. the question to be asked .. as per which Indian or international standard ? CR MOTOR IE4 CR Motor IE1 IE2 IE3 IEC Commercial Motor Technology for IE4 IE3 IE4 Motor Technology Changes Latest Developments in Indian Standards on Motors IEC 60034-30-1: 2014 IS325 is withdrawn & has adopted IS/IEC60034-1 For all S1 duty motors IS12615 is adopted IE2, IE3 IS12615:2011 IS325 Efficiency [%] IE2 New determination Stray load losses, lump sum 0,5% of input power 96,0% Former determination Stray load losses, individually measured IEC 60034-2-1 IEC 60034-2 95,5% The Efficiency values decline, but the motor stays the same physically! Efficiency comparison (Concept of Stray Load Loss) Example: 250 kW, 4-pole, 50 Hz Other Revised motor Efficiency with Stray loss loader as per IEC: 60034-2-1 Rated kW Name plate Efficiency (%) Stary loss at (kW) Total loss (kW) New stray loss SLL Revised stray loss (kW) Revised total loss (kW) Revised Efficiency % 87 Estimated Energy saving with new IE3 motors Rated power kW Old Efficiency New Efficiency Load factor % Energy saved- kWh No of hours/ year Annual saving in Energy KwH Tariff/ unit Annual saving in INR 7500 2541 6 15246 Efficiency Correction & Estimated savings How to calculate the savings from reduction in input power ?

6 The formula for calculating the savings in terms of units/hour is Rated output x Load Factor x 11old Effnew effExample15 x 75% x (1 - 1 ) = Units/hourAnnual x 24 hours x 360 days x = Rs25704/-On-site Efficiency testing Decision Tool- Retrofit, replacement, continuous condition Motor Audit Approach & Analysis Tool Proposed Motor replacement Model IE3 motors Implementation Upfront Payment / EMI payment Key features: Open to all: Any unit (new/existing) which is an industry Minimum initial investment for adoption of HEM Number of motors aggregated as per ratings from the industry units or from group of industries EESL aggregates the motors and procurement of motors and will distribute the motors to industrial units. The options available for industrial units for upfront payments or EMI payments Motor systems approach Loan from Financial Institution Loan Repayment Manufacturers/ Supplier Industrial Unit Or Group of Industries Motors Data for aggregation Motor Replacement Project Format for Details of motors for the purpose of identification of replacement by Energy Efficient Motors(IE3) Application Population Ratings (kW) No of Poles (2/4/6) Name plate Efficiency (%) Mounting (Foot/ Flange) Annual Operating hours Year of Mfg Age of the Motor (Years) Make Number of Rewindings during last 7 years Load point (KW) during 60-70% of the year Willing to replace with IE3 Motor (Yes/No) Preferred Payback period in Years (2/3/4) 1.

7 2. Private & Confidential Edelman India Pvt. Ltd. Contact Us: Energy Efficiency Services Limited (A Joint Venture of PSUs of Ministry of Power, Govt. of India ) A-13, IWAI Building, 4th Floor, Sector - 1 Noida 201301, Uttar Pradesh, India K N Hemanth Kumar Manager (Technical) Email: Website: Phone: +91 120 490 8000 (Ext 744) Fax: +91 120 4908099 Thank You Energy saving Calcuations Revised motor Efficiency with Stray loss loader as per IEC: 60034-2-1 AREA LOCATION Rated kW Full load curent speed Make Name plate Efficiency (%) Stary loss at (kW) of Output Total loss (kW) New stray loss SLL Revised stray loss on Input (kW) Revised total loss (kW) Revised Efficiency % as per SLL Curve 2850 83 2830 80 Estimated Energy saving with new IE3 motors Rated power kW Old Efficiency Efficiency - IE 3 as per IS12615 2011 Load factor Energy saved- kWh No of days per annum No of hours/ year with 24 hrs opn Annual saving in Energy KwH Tariff/ unit Annual saving in INR Approx Cost of the Motor payback Period 250 6000 1475 7 10324 15000 170 4080 1526 7 10683 15000