Preface |
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xix | |
Contributors |
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xxi | |
1 Introduction |
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1 | (14) |
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1.1 Microgrid fundamentals and its anatomy |
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1 | (1) |
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1.2 Microgrid technical aspects |
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2 | (6) |
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1.2.1 Microgrid control issues |
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2 | (1) |
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1.2.2 Power electronics in microgrid |
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3 | (1) |
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1.2.3 Addressing power electronics reliability in microgrid |
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4 | (1) |
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1.2.4 Use of energy storage systems in microgrid |
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5 | (1) |
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1.2.5 Microgrid information and communication technology |
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6 | (1) |
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1.2.6 Stability and protection issues of microgrid |
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7 | (1) |
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1.3 Microgrid future form |
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8 | (3) |
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1.3.1 Addressing scalability and variability |
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8 | (1) |
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1.3.2 Transformation of microgrid to virtual power plant |
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8 | (1) |
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1.3.3 Future trends of power electronics and its adaptation in microgrid |
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9 | (1) |
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1.3.4 Future trends of energy storage technology |
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10 | (1) |
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1.3.5 Future form of microgrid communication |
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10 | (1) |
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1.4 What is in this book? |
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11 | (2) |
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13 | (1) |
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14 | (1) |
2 Microgrid control overview |
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15 | (58) |
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16 | (1) |
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2.2 Uncertainty of the generation and demand |
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17 | (3) |
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2.2.1 Application of grid-tied MGs |
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18 | (2) |
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20 | (5) |
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20 | (2) |
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22 | (3) |
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25 | (1) |
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25 | (38) |
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2.4.1 Droop-based power control |
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25 | (9) |
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2.4.2 Demand-side primary frequency control |
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34 | (8) |
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2.4.3 Centralised secondary control |
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42 | (21) |
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63 | (1) |
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64 | (9) |
3 Requirements analysis in transactive energy management |
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73 | (26) |
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73 | (2) |
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3.2 Transactive energy management |
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75 | (3) |
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3.3 Application of requirements engineering approaches in transactive energy management |
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78 | (6) |
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3.3.1 The i* goal modelling |
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81 | (3) |
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3.4 Requirements analysis and modelling of the TEM system |
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84 | (10) |
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3.4.1 Goal modelling of the TEM system |
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84 | (2) |
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86 | (1) |
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3.4.3 Formalisation of multi-objective optimisation functions of the i* goal model |
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86 | (8) |
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94 | (1) |
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94 | (5) |
4 Transformation of microgrid to virtual power plant |
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99 | (44) |
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99 | (1) |
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4.2 Evolution of electricity - the case of Polish electricity sector |
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100 | (2) |
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4.3 Liberalization of the energy markets |
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102 | (4) |
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4.3.1 Future problem identification |
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102 | (4) |
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4.4 Microgrid turns to virtual power plant |
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106 | (1) |
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4.4.1 MGs structure and application |
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106 | (1) |
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4.5 Microgrid configuration |
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107 | (2) |
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4.6 Microsource controller |
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109 | (2) |
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4.6.1 Virtual power plant general concept |
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109 | (2) |
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4.7 Types of Virtual Power Plants |
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111 | (7) |
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4.7.1 An area-based approach to virtual power plants |
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111 | (2) |
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4.7.2 Grid support and ancillary services |
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113 | (4) |
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4.7.3 VPP model and algorithms |
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117 | (1) |
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4.8 Difference between microgrid and VPP |
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118 | (2) |
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4.9 Information communication technologies |
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120 | (12) |
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4.9.1 RSTP grid mechanism |
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121 | (1) |
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122 | (1) |
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122 | (1) |
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122 | (1) |
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4.9.5 Microgrid/VPP cybersecurity |
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123 | (2) |
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4.9.6 Energy management system |
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125 | (2) |
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4.9.7 Supervision control and data acquisition |
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127 | (1) |
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4.9.8 Control system operation and states |
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127 | (1) |
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128 | (1) |
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4.9.10 Database management process |
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129 | (1) |
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4.9.11 Distribution and dispatching centre |
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130 | (2) |
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4.10 Case study: regulation of VPP and MGs |
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132 | (6) |
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138 | (1) |
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138 | (5) |
5 Operations of a clustered microgrid |
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143 | (32) |
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5.1 Overview of clustered microgrid |
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143 | (4) |
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5.2 Modeling of clustered microgrid |
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147 | (5) |
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5.3 Control and operation of clustered microgrid |
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152 | (5) |
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5.3.1 Droop-regulated strategy |
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152 | (3) |
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5.3.2 Optimization solver |
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155 | (1) |
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5.3.3 Modeling of non-dispatchable DERs |
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156 | (1) |
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5.4 Optimization problem formulation and technical constraints |
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157 | (3) |
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160 | (8) |
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5.5.1 Study case I (an overloaded MG with primary and secondary actions only) |
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162 | (1) |
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5.5.2 Study case II (an overloaded MG with all actions) |
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162 | (3) |
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5.5.3 Study case III (an overloaded MG with primary and tertiary actions only) |
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165 | (1) |
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5.5.4 Study case IV (an overgenerating MG with primary and secondary actions only) |
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165 | (1) |
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5.5.5 Study case V (an overgenerating MG with all actions) |
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166 | (1) |
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5.5.6 Study case VI (an overgenerating MG with primary and tertiary actions only) |
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166 | (1) |
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5.5.7 Study case VII (multiple PMGs and HMGs with all actions) |
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167 | (1) |
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168 | (1) |
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168 | (1) |
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169 | (6) |
6 Distributed energy network using nanogrid |
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175 | (46) |
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175 | (6) |
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6.1.1 Concept of nanogrid |
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175 | (1) |
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6.1.2 Architecture of nanogrid |
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176 | (3) |
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6.1.3 Converters used in nanogrid |
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179 | (2) |
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6.2 Energy management in nanogrid |
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181 | (30) |
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6.2.1 Battery-mastered control of a simple photovoltaic/battery system |
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181 | (1) |
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6.2.2 Decentralized control for multiple battery-based nanogrid |
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182 | (1) |
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6.2.3 Decentralized control for multiple distributed generation units based nanogrid |
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183 | (12) |
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6.2.4 Decentralized control for multiple energy storage units based nanogrid |
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195 | (9) |
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6.2.5 Parameter design for a centralized hierarchical control for AC nanogrid |
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204 | (7) |
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211 | (6) |
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6.3.1 Large-scaled intelligent nanogrid |
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211 | (2) |
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6.3.2 Small-scaled intelligent nanogrid |
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213 | (1) |
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6.3.3 Nanogrid installed in remote villages |
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213 | (4) |
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6.3.4 Nanogrid based on cogeneration system |
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217 | (1) |
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217 | (1) |
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218 | (3) |
7 Sizing of microgrid components |
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221 | (42) |
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221 | (1) |
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7.2 Microgrid sizing and profit maximization |
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222 | (4) |
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7.3 Models of distributed energy resources |
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226 | (8) |
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7.3.1 Probabilistic wind power output model |
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226 | (2) |
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7.3.2 Probabilistic photovoltaic power output model |
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228 | (4) |
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7.3.3 Dynamic battery energy storage power output model |
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232 | (1) |
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7.3.4 Micro-turbine power output model |
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233 | (1) |
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7.4 Optimal sizing of microgrid components |
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234 | (7) |
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7.4.1 Mathematical formulation |
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235 | (2) |
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7.4.2 Backtracking search optimization (BSO) algorithm |
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237 | (3) |
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240 | (1) |
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241 | (18) |
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241 | (13) |
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254 | (5) |
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259 | (1) |
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260 | (3) |
8 Optimal sizing of energy storage system |
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263 | (28) |
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263 | (1) |
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8.2 Energy storage technologies in microgrids: types and characteristics |
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264 | (9) |
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8.2.1 Battery energy storage systems |
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265 | (3) |
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268 | (1) |
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268 | (1) |
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8.2.4 Superconducting magnetic energy storage |
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269 | (1) |
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269 | (1) |
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8.2.6 Technology comparison |
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270 | (3) |
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8.3 Necessity of energy storage in microgrids |
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273 | (3) |
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8.3.1 Frequency regulation |
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274 | (1) |
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274 | (1) |
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8.3.3 Reliability enhancement |
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274 | (1) |
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8.3.4 Demand shifting and peak shaving |
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274 | (1) |
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274 | (1) |
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275 | (1) |
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8.3.7 Storage trades/arbitrage |
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275 | (1) |
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8.3.8 Non-spinning reserve |
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275 | (1) |
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276 | (10) |
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8.4.1 System description and input data |
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277 | (1) |
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8.4.2 Uncertainty modelling |
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278 | (1) |
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8.4.3 Problem formulation |
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279 | (3) |
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282 | (4) |
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286 | (1) |
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286 | (2) |
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288 | (3) |
9 Microgrid communications - protocols and standards |
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291 | (36) |
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291 | (3) |
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9.2 Communication objectives and requirements |
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294 | (1) |
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295 | (6) |
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9.3.1 Home automation network |
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298 | (1) |
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9.3.2 Building automation network |
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298 | (1) |
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9.3.3 Neighbourhood area network |
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299 | (1) |
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299 | (1) |
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300 | (1) |
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300 | (1) |
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9.4 Communication infrastructure |
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301 | (4) |
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9.4.1 Wired communication |
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301 | (2) |
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9.4.2 Wireless communication |
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303 | (2) |
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9.5 Communication protocols |
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305 | (6) |
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9.5.1 Internet communications protocol suite |
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306 | (2) |
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308 | (1) |
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9.5.3 Distributed Network Protocol version 3.3 |
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309 | (1) |
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310 | (1) |
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9.6 Importance of communication technology in microgrid control |
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311 | (4) |
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315 | (5) |
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320 | (1) |
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320 | (2) |
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322 | (5) |
10 Voltage stability of microgrids |
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327 | (50) |
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328 | (7) |
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10.1.1 Concept of voltage stability |
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328 | (1) |
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10.1.2 Voltage stability issues of microgrid |
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328 | (1) |
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10.1.3 Microgrid voltage stability assessment |
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329 | (6) |
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10.2 Small-signal model of a microgrid for voltage stability analysis |
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335 | (1) |
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10.3 Voltage stability enhancement |
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335 | (1) |
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336 | (33) |
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336 | (7) |
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343 | (5) |
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348 | (2) |
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350 | (19) |
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369 | (1) |
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369 | (5) |
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374 | (3) |
11 Frequency stability and synthetic inertia |
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377 | (18) |
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11.1 Frequency stability issues of microgrid |
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377 | (2) |
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11.2 Effect of low inertia on the frequency stability of microgrid |
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379 | (1) |
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11.3 Frequency stability enhancement |
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380 | (6) |
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11.3.1 Synchronous generator (SG) model-based topologies |
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381 | (2) |
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11.3.2 Swing equation based |
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383 | (1) |
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11.3.3 Frequency-power-response-based topologies |
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384 | (1) |
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11.3.4 Droop-based approach |
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385 | (1) |
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386 | (5) |
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391 | (1) |
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391 | (4) |
12 Microgrid protection |
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395 | (68) |
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12.1 Protective system design objectives |
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396 | (2) |
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12.2 Conventional protective system design practice |
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398 | (10) |
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12.2.1 Fault characterization |
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400 | (1) |
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12.2.2 Protective equipment and scheme components |
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401 | (1) |
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12.2.3 Fault coordination analysis and protective relaying |
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402 | (6) |
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12.3 Microgrid protection challenges |
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408 | (12) |
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12.3.1 Impact of distributed energy resources on power flow |
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411 | (1) |
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12.3.2 Impact of distributed energy resources on fault current magnitude |
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411 | (1) |
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12.3.3 Impact of microgrid connection modes and changing configurations |
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412 | (3) |
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12.3.4 Earthing considerations |
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415 | (5) |
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420 | (1) |
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12.4 Promising solutions for microgrid protection |
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420 | (13) |
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12.4.1 Limiting maximum DER capacity |
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421 | (1) |
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12.4.2 Evolving communication standards |
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421 | (2) |
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12.4.3 Fault current limiters |
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423 | (1) |
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12.4.4 Utilization of the ESS for fault discrimination |
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423 | (1) |
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12.4.5 Distributed generation control modifications |
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424 | (1) |
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12.4.6 Protective system design process for microgrids |
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424 | (6) |
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12.4.7 Addressing cybersecurity |
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430 | (3) |
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12.5 DC microgrid considerations |
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433 | (18) |
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12.5.1 DC fault characteristics |
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434 | (4) |
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12.5.2 DC protective system approaches |
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438 | (7) |
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12.5.3 DC protective devices |
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445 | (5) |
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12.5.4 DC system grounding |
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450 | (1) |
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12.6 Conclusion: future of microgrid protection |
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451 | (2) |
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453 | (10) |
13 Black start and islanding operations of microgrid |
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463 | (34) |
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13.1 Microgrid operational modes |
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463 | (8) |
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464 | (4) |
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13.1.2 Microgrid hierarchical control for emergency operation |
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468 | (1) |
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13.1.3 Extending the concept - the multi-microgrid |
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469 | (2) |
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13.2 Microgrid islanding and reconnection |
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471 | (10) |
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13.2.1 Microgrid primary frequency and voltage control |
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471 | (1) |
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13.2.2 Electric vehicles contribution to primary frequency support |
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472 | (1) |
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13.2.3 Secondary control and emergency dispatch strategies |
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473 | (3) |
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13.2.4 Black start strategies in multi microgrids |
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476 | (2) |
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13.2.5 Black start procedure |
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478 | (3) |
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481 | (10) |
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13.3.1 Microgrid islanding case study |
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481 | (4) |
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13.3.2 Multi Microgrid black start case study |
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485 | (6) |
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491 | (1) |
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492 | (5) |
14 Microgrid feasibility study and economics |
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497 | (36) |
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497 | (3) |
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14.1.1 Outline of the chapter |
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500 | (1) |
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14.2 Theoretical background |
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500 | (2) |
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14.2.1 Model-predictive control |
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500 | (1) |
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14.2.2 Two-stage stochastic programming |
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501 | (1) |
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14.3 Microgrid component modelling and constraints |
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502 | (6) |
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503 | (1) |
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503 | (2) |
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14.3.3 Distributed generators |
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505 | (1) |
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14.3.4 Energy storage systems |
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505 | (2) |
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14.3.5 Multi-energy components |
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507 | (1) |
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14.3.6 Electrical and thermal balance |
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507 | (1) |
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14.3.7 Interaction with the utility grid |
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508 | (1) |
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14.4 Microgrid operational strategies |
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508 | (6) |
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14.4.1 MPC-based energy-management system for operational optimization |
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508 | (5) |
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14.4.2 MPC-based multi-objective AC optimal power flow |
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513 | (1) |
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14.5 Feasibility study aspects |
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514 | (5) |
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14.5.1 Design and operation |
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515 | (1) |
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14.5.2 Components and topology |
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515 | (1) |
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14.5.3 Active and reactive control strategies |
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516 | (1) |
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14.5.4 Data collection and processing |
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517 | (1) |
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14.5.5 Costing of microgrid components |
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518 | (1) |
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519 | (9) |
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14.6.1 Experimental evaluation in Athens, Greece |
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519 | (6) |
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14.6.2 Steinkjer microgrid |
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525 | (3) |
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528 | (1) |
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528 | (1) |
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528 | (1) |
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529 | (4) |
15 Power electronics-microgrid interfacing |
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533 | (40) |
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15.1 Importance of power electronics in a microgrid |
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533 | (2) |
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15.2 Classifications of microgrids |
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535 | (5) |
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535 | (1) |
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535 | (5) |
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15.3 Power electronic converters |
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540 | (7) |
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15.3.1 General power conversation concept |
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540 | (1) |
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541 | (3) |
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544 | (3) |
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15.4 Power converter switching schemes |
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547 | (3) |
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15.4.1 Pulse width modulation |
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547 | (1) |
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15.4.2 Carrier-based pulse width modulation |
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547 | (1) |
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15.4.3 Zero-sequence injection |
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548 | (1) |
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15.4.4 Space vector modulation |
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549 | (1) |
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15.5 Power converter basic control schemes |
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550 | (8) |
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15.5.1 Electrical model of converters |
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550 | (3) |
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15.5.2 Control of converters in ac grids |
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553 | (3) |
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15.5.3 Control of converters in dc grids |
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556 | (2) |
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15.6 Filters for power converters-active and passive |
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558 | (6) |
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559 | (3) |
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562 | (2) |
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564 | (5) |
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15.7.1 Case I: MPC-controlled converters in ac microgrids |
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564 | (2) |
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15.7.2 Case II: Power-sharing control in a dc grid |
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566 | (3) |
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569 | (1) |
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570 | (3) |
Index |
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573 | |