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ENERGY – A NEED!!

MULTIPLE CRITERIA EVALUATION OF WIND ENERGY SYSTEMS Pushkar Kumar Jain, B.E. (Hons.) Mechanical Morapakla Srinivas , Assistant Professor, Department of Mechanical Engineering. ENERGY – A NEED!!. Viability. VIABILITY. Site factors. Economic factors.

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ENERGY – A NEED!!

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  1. MULTIPLE CRITERIA EVALUATION OF WIND ENERGY SYSTEMSPushkar Kumar Jain, B.E. (Hons.) MechanicalMorapaklaSrinivas, Assistant Professor, Department of Mechanical Engineering

  2. ENERGY – A NEED!!

  3. Viability VIABILITY Site factors Economic factors Viability in simple terms, is the capability of a project to function, in the desired manner. Mathematically, it is a function of various mutually exclusive criteria which are to be taken into account for setting up a project. “Dimension” is defined as a group of several elements of same category which have a direct or indirect bearing on the “viability” Social factors

  4. MULTIPLE CRITERIA EVALUATION PROCESS The viability of a wind energy system at a particular place is a function of multiple factors that may be mutually dependent and so it is a multiple criteria problem Proposed MCE technique - divided into five stages:

  5. MCE MODEL HIERARCHY For analysis, the dimensions considered are - Site factors, Economic Factors and Social Factors Under each of these categories, two sub-categories, one to be maximized and another to be minimized, are created and the mutually exclusive sub-critera that are constructed are grouped accordingly • Economic – Cost and Revenue • Site – Favourable and Restrictions • Social – Favourableand Restrictions

  6. DEFINITIONS OF FACTORS

  7. DEVELOPMENT OF INTERFACE

  8. 1 FUZZY LOGIC TOOLBOX OPERATION SEQUENCE Very Bad Bad Average Very Good Good 0 1.25 2.5 3.75 5 The following points will be used: AND method: min OR method: max Implication: AND Aggregation: max Defuzzification: Centroid FIS Type: Mamdani. Symmetric triangular membership function and a five point scale Expressions used in the membership function, to allot values for different sites are “Very bad”, “Bad”, “Average”, “Good”, “Very Good

  9. FUZZY LOGIC TOOLBOX OPERATION SEQUENCE (contd...)

  10. SIMULINK MODEL

  11. GRAPHICAL USER INTERFACE DEVELOPED

  12. CONCLUSION Selection of wind energy site is a multiple criteria problem, solved by MCDM technique namely Fuzzy Logic Multiple criteria decision making problem can be formulated into a hierarchial model for analysis. Same methodology can serve for any number of dimensions “Viability” when found out for various sites, serves as a gauge for comparison and preference

  13. THANK YOU!

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