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Venkat Rajaraman - Su-kam

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  • Energy efficiency as necessary complementary measure Energy efficiency is a complementary strategy to the promotion of renewable energy. Indeed, the combination of low-carbon energy production with well-managed and effective energy use will pave the way towards sustainable energy systems. The industrial sector in developing countries is commonly characterized by relatively high energy intensity. While energy efficiency measures are often presented as low-cost (or even negative cost) options for reducing the energy demand, significant barriers of various kind remain for a wide-spread deployment and application of such measures. It is therefore of utmost importance to put emphasis on promoting technologies and policies to allow for the potential energy savings to occur. A regional support initiative focused on promoting business competitiveness and mitigating climate change, by raising companies’—preferably SMEs’—awareness and enabling them to adopt energy efficiency measures and use clean technology
  • Energy Usage in modern office buildings The main reason that contractors and building owners install AC inverter drives is to provide an efficient method of controlling the speed of the AC motors on the air conditioning machinery. Reducing the speed of the motor results in a reduction of the flow of air or cooling water and a corresponding reduction in the energy used. AC inverter drives are normally the most efficient means of controlling speed. This control method allows the air conditioning system to be constantly adapted to the demand on the building (number of people working, outside environmental conditions etc.) with the building owner benefiting by way of a lower electricity bill. There have been mechanical methods of adjusting flow rates available for many years. The AC inverter drive, however offers advantages in terms of efficiency and control which will be discussed in this presentation. In a modern building more than 50% of the energy used is consumed by the air conditioning system. The potential for savings is therefore very significant. In many countries government offers incentives to optimize the savings. Consequently new installations are invariably fitted with AC inverter drives.
  • Transcript

    • 1. Technology Needs for SMEs – The need for Energy Efficiency ! Venkat Rajaraman CEO Su-Kam Power Systems [email_address] +91 99714 97602
    • 2.
      • “ Bottlenecks / Barriers”
      Information and awareness Background Technology and products Financing Capacity Difficult for SMEs to access solutions Considerable energy savings potential Lack of institutional support for SMEs on energy issues SME: Energy Efficiency Dilemma Focus
    • 3. Power Back-up Solution for SME PARAMETER DG SET INVERTER SET SIZE BULKY COMPACT CONSUMPTIONS ALMOST SAME FUEL CONSUMPTION FROM NO LOAD TO FULL LOAD PROPORTIONAL CONSUMPTION NOISE / AIR POLLUTION HIGH NIL VIBRATION HIGH NIL STARTUP DELAY 2-3 MIN MINIMUM NEGLIGIBLE ATTENDENT REQUIRED NO FUEL WASTAGE/PILFEREGE NORMALLY HAPPENS NIL MONITORING ONLY STATUS CAN BE CHECKED THROUGH POTENTIAL FREE CONTACTS AT SPECIFIED LOCATION EACH & EVERY PARAMETER CAN BE MONITORED THROUGH INTERNET
    • 4. Power Back-up for SME: Energy Savings DG Versus Inverter: Return On Investment (over 5 year period) Sr No No of hours of operation Cost DG Set 15KVA Inverter 15KVA 1 6 CapEx 328,000 606,250     OpEx 1,504,687 730,074     CapEx + OpEx 1,832,687 1,336,324     Effective Savings 496,363   2 8 CapEx 328,000 606,250     OpEx 1,948,016 829,500     CapEx + OpEx 2,276,016 1,435,750     Effective Savings 840,266   3 10 CapEx 328,000 606,250     OpEx 2,391,345 446,250     CapEx + OpEx 2,719,345 1,052,500     Effective Savings 1,338,845  
    • 5.
      • An MNC in Delhi NCR was using SVLs and CFLs for their street lights and general lighting purposes and the cost of electricity and maintenance was high. They needed a reliable solution to cut their costs.
      • It was suggested the use of LED technology to decrease consumption and maintenance costs. 70 nos of LED street lights and 2448 nos of LED down lights were used. Savings for the first year were higher than INR 1,75,000 and 17,57,664 respectively
      Building – Energy Efficiency
    • 6. Electrical Equipments: HVAC / Pumps
      • Electrical energy costs are often the largest expenditure for building owners.
      • More than half the energy consumed by AC motors powers air conditioning equipment.
      • A Variable Frequency Drive is like the throttle on a car - It adjusts the speed of an HVAC fan or pump motor, based on demand, to save energy.
      • The principle reason for using VFDs is to reduce energy costs.
      • Without a VFD, an HVAC fan or pump motor is either 100% ‘on’ or 100% ‘off’
      • A VFD eliminates the initial power surge and mechanical shock of switching the motor from ‘off’ to 100% ‘on’
      • A VFD conserves energy when an HVAC control systems senses that a fan or pump motor can meet heating or cooling needs by running at less than 100% power
      Other 17% Ventilation & Cooling 52% Lighting 31%
    • 7.
      • Electrical Equipments – Variable Frequency Drives, Lighting, Automatic Power Factor Controllers, Soft starters for motors
      • Thermal Equipments – Cogeneration
      • Buildings – Building Energy Management System (Lighting control, Energy Efficient Elevators, Energy Efficient Air Conditioners, Heat insulating building material)
      Automatic Power Factor Controllers Soft Starters for Motors Cogeneration Energy Saving Technologies for SME
    • 8. Energy Saving: Challenge and Opportunity 2. Developing Financial Products 1. Agreement with banks / FIs 8. Lesson Dissemination 7. Implementing, Monitoring and Verification 6. Getting Govt Subsidies; Other Support 5. Support for Audits 4. Identifying Beneficiary SMEs 3. Raising SME Awareness through Workshops CleanTech Opportunity
    • 9. Thank You ! Venkat Rajaraman CEO Su-Kam Power Systems [email_address] +91 99714 97602