Transmission Expansion Planning in Deregulated Power ... - tuprints

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Transmission Expansion Planning in Deregulated Power ... - tuprints

Contents II

4.2.1 Transmission Congestion . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.2.2 Flatness of Price profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

4.2.2.1 Standard Deviation of Mean of Locational Marginal Price . . . . 37

4.2.2.2 Weighting with Mean of Generation Power . . . . . . . . . . . . 38

4.2.2.3 Weighting with mean of Load . . . . . . . . . . . . . . . . . . . 39

4.2.2.4 Weighting with Sum of Mean of Generation Power and Load . . 40

4.2.3 Load Payment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4.3 Transmission Expansion Costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

4.4 Case Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

5 Market Based Transmission Expansion Planning 49

5.1 Model Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

5.2 Model in Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

5.2.1 Identifying the Set of Possible Strategic Scenarios . . . . . . . . . . . . . 50

5.2.2 Suggesting Candidates for Transmission Expansion . . . . . . . . . . . . 50

5.2.3 Computing the Market Based Criteria . . . . . . . . . . . . . . . . . . . . 53

5.2.4 Risk Assessment of the Expansion Candidates . . . . . . . . . . . . . . . 53

5.2.5 Capacity of New Transmission Lines . . . . . . . . . . . . . . . . . . . . 54

5.2.6 Transmission Expansion Planning Algorithm . . . . . . . . . . . . . . . . 54

5.3 Case Study: IEEE 30 Bus Test System . . . . . . . . . . . . . . . . . . . . . . . . 55

5.3.1 Case 1: There Is Not any Non-random Uncertainty . . . . . . . . . . . . . 59

5.3.2 There Is Non-random Uncertainty . . . . . . . . . . . . . . . . . . . . . 69

5.3.3 Sensitivity Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

6 Fuzzy Risk Assessment 81

6.1 Shortcomings of Scenario Technique Criteria . . . . . . . . . . . . . . . . . . . . 81

6.2 New Criteria for Risk Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . 83

6.3 Model Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

6.4 Model in Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

6.4.1 Fuzzy Risk Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

6.4.1.1 Importance Weights of decision criteria . . . . . . . . . . . . . . 85

6.4.1.2 Appropriateness Degrees of Expansion Plans Versus

Decision Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

6.4.1.3 Fuzzy Appropriateness Index . . . . . . . . . . . . . . . . . . . . 86

6.4.1.4 Selecting the Final Plan . . . . . . . . . . . . . . . . . . . . . . . 86

6.5 Case Study: IEEE 30 Bus Test System . . . . . . . . . . . . . . . . . . . . . . . . 87

7 Stakeholders’ Desires 91

7.1 Power System Stakeholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

7.2 Measuring the Stakeholders’ Desires . . . . . . . . . . . . . . . . . . . . . . . . . 92

7.3 Model Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

7.4 Model in Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

7.4.1 Measuring the Goodness of Expansion Plans . . . . . . . . . . . . . . . . 94

7.4.1.1 Importance Degrees of Stakeholders and Their Desires . . . . . . 94

7.4.1.2 Appropriateness Degrees of Expansion Plans Versus

Stakeholders’ Desires . . . . . . . . . . . . . . . . . . . . . . . 95

7.4.1.3 Fuzzy Appropriateness Index . . . . . . . . . . . . . . . . . . . . 95

7.4.2 Selecting the Final Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

7.5 Case Study: IEEE 30 Bus Test System . . . . . . . . . . . . . . . . . . . . . . . . 97

8 Stakeholders’ Desires and Non-random Uncertainties 101

8.1 Model Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

8.2 Model in Detail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

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