Foreword, 2nd Edition |
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xiii | |
Foreword, 1st Edition |
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xv | |
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7 | (4) |
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1.1 Reliability, Security, Economy |
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7 | |
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1.2 Legal, Political and Social Restrictions |
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2 | (2) |
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1.3 Needs for Power System Planning |
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4 | (1) |
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1.4 Basic, Development and Project Planning |
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5 | (2) |
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5 | (2) |
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1.4.2 System Development Planning |
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7 | (1) |
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7 | (1) |
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1.5 Instruments for Power System Planning |
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7 | (3) |
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1.6 Further Tasks of Power System Engineering |
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10 | (1) |
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11 | (16) |
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11 | (61) |
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2.2 Load Forecast with Load Increase Factors |
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72 | |
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2.3 Load Forecast with Economic Characteristic Data |
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13 | (1) |
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2.4 Load Forecast with Estimated Values |
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14 | (60) |
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2.5 Load Forecast with Specific Loads and Degrees of Electrification |
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74 | (3) |
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2.6 Load Forecast with Standardized Load Curves |
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77 | |
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2.7 Typical Time Course of Power System Load |
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20 | (3) |
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2.8 Smart Grid and Smart Domestic Appliances |
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23 | (4) |
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3 Planning Principles and Planning Criteria |
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27 | (14) |
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27 | (3) |
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30 | (4) |
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34 | (7) |
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3.3.1 Voltage Band According to IEC 60038 |
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34 | (1) |
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35 | (1) |
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3.3.2.1 Low-Voltage Systems |
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35 | (1) |
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3.3.2.2 Medium Voltage Systems |
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36 | (1) |
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3.3.2.3 High and Extra High Voltage Systems |
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36 | (1) |
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37 | (1) |
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38 | (3) |
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4 Economic Consideration and Loss Evaluation |
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41 | (8) |
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4.1 Present Value and Annuity Method |
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41 | (1) |
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42 | (7) |
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43 | (1) |
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44 | (5) |
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5 Topologies of Electrical Power Systems |
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49 | (24) |
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5.1 Development of Power Systems |
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49 | (2) |
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5.2 Recommended Voltage Levels |
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51 | (1) |
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5.3 Topology of Power Systems |
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52 | (19) |
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52 | (2) |
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54 | (1) |
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5.3.2.1 Ring-Main System-Simple Topology |
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54 | (2) |
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5.3.2.2 Ring-Main System with Remote Station (Without Supply) |
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56 | (1) |
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5.3.2.3 Ring-Main System with Reserve Line |
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57 | (3) |
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5.3.2.4 Ring-Main System with Feeding Remote Station |
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60 | (1) |
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5.3.2.5 Ring-Main System as Tuple System |
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61 | (1) |
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5.3.2.6 Ring-Main System with Cross-Link |
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62 | (1) |
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5.3.2.7 Ring-Main System with Base Station |
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63 | (1) |
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5.3.2.8 Special-Spare Cable System |
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64 | (1) |
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5.3.2.9 Double-T Connection |
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65 | (1) |
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5.3.3 Meshed Systems at HV and MV Levels |
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66 | (1) |
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5.3.3.1 HV Transmission Systems |
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66 | (2) |
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5.3.3.2 Meshed MV Systems |
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68 | (1) |
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5.3.4 Meshed Systems at the LV Level |
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69 | (1) |
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5.3.4.1 Meshed System Supplied Station-by-Station |
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69 | (1) |
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5.3.4.2 Single-Line Supply |
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69 | (1) |
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5.3.4.3 Multiple-Line Supply |
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69 | (2) |
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5.4 Special Operating Considerations |
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71 | (2) |
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6 Arrangement in Gridstations and Substations |
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73 | (12) |
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73 | (5) |
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73 | (1) |
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6.1.2 Single Busbar without Separation |
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73 | (2) |
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6.1.3 Single Busbar with Sectionalizer |
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75 | (1) |
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6.1.4 Special H-Arrangement |
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75 | (1) |
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6.1.5 Double Busbar Arrangement |
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76 | (1) |
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6.1.6 Double Busbar with Reserve Busbar |
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77 | (1) |
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6.2 Arrangement in Switchyards |
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78 | (7) |
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6.2.1 Breakers and Switches |
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78 | (1) |
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6.2.2 Incoming and Outgoing Feeders |
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79 | (1) |
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6.2.3 Current Transformers |
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79 | (3) |
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6.2.4 Voltage Transformers |
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82 | (3) |
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85 | (30) |
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85 | (1) |
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7.2 Utilization and Construction of Transformers |
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85 | (5) |
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7.2.1 Utilization of Transformers |
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85 | (2) |
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7.2.2 Oil-Immersed Transformers and Dry-Type Transformers |
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87 | (3) |
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7.2.3 Characteristic Data of Transformers |
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90 | (1) |
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7.3 Operation of Transformers |
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90 | (2) |
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90 | (2) |
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7.3.2 Permissible Loading of Transformer Neutral |
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92 | (1) |
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7.4 Thermal Permissible Loading |
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92 | (17) |
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92 | (7) |
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7.4.2 Maximum Permissible Loading of Oil-Immersed Transformers |
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99 | (1) |
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99 | (3) |
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7.4.2.2 Continuous Loading |
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102 | (1) |
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7.4.2.3 Normal Cyclic Load |
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102 | (2) |
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7.4.2.4 Long-Time and Short-Time Emergency Operation |
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104 | (2) |
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7.4.3 Maximal Permissible Loading of Dry-Type Transformers |
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106 | (3) |
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7.5 Economical Operation of Transformers |
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109 | (1) |
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7.6 Short-Circuit Strength |
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110 | (5) |
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115 | (26) |
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115 | (1) |
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116 | (2) |
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8.3 Electrical Parameters of Cables |
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118 | (2) |
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8.4 Losses and Permissible Current |
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120 | (11) |
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120 | (2) |
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8.4.2 Calculation of Losses |
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122 | (2) |
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8.4.3 Soil Characteristics |
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124 | (3) |
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8.4.4 Thermal Resistances of Cables |
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127 | (1) |
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8.4.5 Calculation according to VDE 0276-1000 |
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128 | (2) |
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8.4.6 Determination of Maximal Permissible Loading by Computer Programs |
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130 | (1) |
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8.5 Planning and Design of Cable Routes and Trenches |
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131 | (5) |
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8.5.1 Coordination with Other Cables and Pipes |
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131 | (2) |
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8.5.2 Effect of Thermally Unfavorable Areas |
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133 | (1) |
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8.5.3 Influence of Other Parameters |
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134 | (2) |
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8.6 Short-Circuit Withstand Capability |
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136 | (5) |
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736 | |
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8.6.2 Rating of Cable Screens |
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138 | (3) |
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141 | (24) |
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141 | (1) |
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9.2 Permissible Loading (Thermal) Current |
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141 | (8) |
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141 | (1) |
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142 | (2) |
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9.2.3 Heating by Solar Radiation |
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144 | (2) |
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9.2.4 Heat Dissipation by Radiation and Convection |
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146 | (3) |
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9.2.5 Examples for Permissible Thermal Loading |
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149 | (1) |
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9.3 Electric Field Strength |
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149 | (3) |
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9.4 Sag, Tensions and Minimum Distances |
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152 | (3) |
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9.4.1 Minimal Length of Insulation |
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152 | (2) |
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9.4.2 Conductor Sag and Span Length |
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154 | (1) |
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9.5 Short-Circuit Thermal Withstand Strength |
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155 | (2) |
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9.6 Right-of-Way (ROW) and Tower Arrangement |
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157 | (3) |
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160 | (2) |
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9.8 High-Temperature Conductors |
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162 | (3) |
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162 | (1) |
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9.8.2 Thermal Alloy Conductor Steel Reinforced (TACSR) |
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162 | (1) |
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9.8.3 Zirconium Alloy Conductor Invar Steel Reinforced (ZACIR) |
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163 | (1) |
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9.8.4 Gap Thermal Resistant Aluminum Alloy Steel Reinforced (GTACSR) |
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163 | (1) |
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9.8.5 Annealed Aluminum Conductor Steel Supported (ACSS) |
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164 | (1) |
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9.8.6 Aluminum Conductor Composite Core (ACCC) |
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164 | (1) |
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9.8.7 Aluminum Conductor Composite Reinforced (ACCR) |
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164 | (1) |
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10 Flexible AC Transmission Systems (FACTS) |
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165 | (16) |
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10.1 Basics of Transmission of Power through Lines |
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165 | (4) |
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10.2 Parallel Compensation of Lines |
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169 | (2) |
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10.3 Serial Compensation of Lines |
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171 | (1) |
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10.4 Phase-Shifting Equipment |
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172 | (2) |
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10.5 Improvement of Stability |
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174 | (3) |
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10.6 Basics of Flexible AC Transmission Systems (FACTS) |
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177 | (1) |
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10.7 HVDC-Transmission (High-Voltage-Direct-Current) |
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178 | (3) |
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178 | (1) |
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10.7.2 Converter Stations and Related Equipment |
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179 | (1) |
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10.7.3 Breakers, Reactors, Electrodes and other Equipment |
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179 | (2) |
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11 Load-Flow and Short-Circuit Current Calculation |
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181 | (32) |
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11.1 Load-Flow Calculation |
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181 | (2) |
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11.2 Calculation of Short-Circuit Currents |
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183 | (10) |
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183 | (4) |
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11.2.2 Initial Short-Circuit Current (AC) |
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187 | (1) |
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11.2.3 Peak Short-Circuit Current |
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187 | (3) |
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11.2.3.1 Uniform or Smallest R/X Ratio (Method A) |
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190 | (1) |
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11.2.3.2 R/X Ratio of the Short-Circuit Impedance at the Short-Circuit Location (Method B) |
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190 | (1) |
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11.2.3.3 Equivalent Frequency ƒc (Method C) |
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190 | (1) |
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11.2.4 Symmetrical Short-Circuit Breaking Current |
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190 | (1) |
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11.2.5 Steady-State Short-Circuit Current |
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191 | (1) |
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11.2.6 Influence of Synchronous and Asynchronous Motors |
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191 | (2) |
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11.3 Short-Circuit Withstand Capability |
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193 | (2) |
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11.4 Limitation of Short-Circuit Currents |
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195 | (18) |
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195 | (1) |
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11.4.2 Measures in Power Systems |
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196 | (1) |
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11.4.2.1 Selection of Nominal System Voltage |
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196 | (1) |
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11.4.2.2 Operation as Separate Subsystems |
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197 | (1) |
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11.4.2.3 Distribution of Feeding Locations |
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198 | (2) |
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11.4.2.4 Coupling of Power System at Busbars with Low Short-Circuit Level |
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200 | (1) |
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11.4.2.5 Restructuring of the Power System |
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201 | (1) |
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11.4.3 Measures in Installations and Switchgear Arrangement |
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201 | (1) |
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11.4.3.1 Multiple Busbar Operation |
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201 | (1) |
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11.4.3.2 Busbar Sectionalizer in Single-Busbar Switchgear |
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202 | (1) |
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11.4.3.3 Short-Circuit Current Limiting Equipment |
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202 | (5) |
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11.4.4 Measures Concerning Equipment |
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207 | (1) |
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11.4.4.1 Impedance Voltage of Transformers |
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207 | (1) |
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11.4.4.2 Short-Circuit Limiting Reactor |
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207 | (1) |
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11.4.4.3 Earthing Impedances |
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208 | (1) |
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11.4.4.4 Increased Subtransient Reactance of Generators |
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209 | (4) |
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12 Connection of "Green-Energy" Generation to Power Systems |
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213 | (36) |
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213 | (3) |
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12.2 Conditions for System Connection |
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216 | (16) |
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216 | (2) |
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12.2.2 Calculation of Power System Impedance at Point of Common Coupling |
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218 | (10) |
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12.2.2.1 Structure of Power System |
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228 | |
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12.2.2.2 Parallel Resonances in Electrical Power Systems |
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219 | (3) |
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12.2.2.3 Typical Resonances in Power Systems |
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222 | (2) |
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12.2.3 Short-Circuit Currents and Protective Devices |
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224 | (1) |
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12.2.4 Voltage Control and Reactive Power Supply under Steady-State Conditions |
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225 | (1) |
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12.2.4.1 Generation Connected to Low-Voltage Systems |
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225 | (1) |
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12.2.4.2 Generation Connected to Medium-Voltage Systems |
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225 | (1) |
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12.2.4.3 Generation Connected to High-Voltage Systems (Un/=110kV) |
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226 | (2) |
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12.2.4.4 Generation Connected to Extra-High-Voltage Systems (Un≥110kV) |
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228 | (2) |
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12.2.5 Frequency Control and Active Power Reduction |
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230 | (2) |
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12.3 Fault-Ride-Through (FRT) Conditions and Dynamic Voltage Control |
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232 | (3) |
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12.3.1 Types of Generation Units |
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232 | (1) |
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12.3.2 Conditions for Generation Units of Type 1 |
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232 | (2) |
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12.3.3 Conditions for Units of Type 2 |
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234 | (1) |
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12.4 Assessment of System Perturbations of Generation Plants |
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235 | (14) |
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235 | (1) |
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236 | (1) |
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12.4.3 Rapid Voltage Change due to Switching Operations |
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237 | (2) |
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12.4.4 Flicker Caused by Switching |
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239 | (1) |
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12.4.5 Flicker at Normal Operating Conditions |
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240 | (2) |
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12.4.6 Harmonic and Interharmonic Currents and Voltages |
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242 | (1) |
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12.4.6.1 LV and MV System |
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242 | (2) |
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12.4.6.2 Generation Connected to HV and EHV System |
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244 | (2) |
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12.4.6.3 Superposition of Harmonics and Interharmonics |
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246 | (1) |
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12.4.7 Asymmetry and Voltage Unbalance |
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247 | (1) |
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247 | (1) |
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12.4.9 Effects on Ripple-Control and Line-Carrier Systems |
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247 | (2) |
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13 Protection of Equipment and Power System Installations |
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249 | (22) |
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13.1 Faults and Disturbances |
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249 | (1) |
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13.2 Criteria for Operation of Protection Devices |
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250 | (2) |
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13.3 General Structure of Protective Systems; Transducers |
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252 | (2) |
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13.4 Protection of Equipment |
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254 | (1) |
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13.5 Protection of Lines (Overhead Lines and Cables) |
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255 | (10) |
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255 | (1) |
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13.5.2 Overcurrent Protection |
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256 | (2) |
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13.5.3 Distance (Impedance) Protection |
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258 | (5) |
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13.5.4 Differential Protection of Lines |
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263 | (1) |
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13.5.5 Ground-Fault Protection |
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263 | (2) |
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13.6 Protection of Transformers |
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265 | (3) |
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265 | (1) |
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13.6.2 Differential Protection |
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265 | (1) |
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13.6.3 Overcurrent Protection, Distance Protection, Ground-Fault Protection |
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266 | (1) |
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13.6.4 Buchholz Protection |
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267 | (1) |
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13.7 Protection of Busbars |
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268 | (1) |
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13.7.1 Current Criteria for Busbar Protection |
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268 | (1) |
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13.7.2 Impedance Criteria for Busbar Protection |
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269 | (1) |
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13.8 Protection of Other Equipment |
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269 | (1) |
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13.9 Reference List of IEC-Symbols and ANSI-Code-Numbers |
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269 | (2) |
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14 Overvoltages and Insulation Coordination |
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271 | (24) |
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14.1 General; Definitions |
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271 | (2) |
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14.2 Procedure of Insulation Coordination |
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273 | (1) |
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14.3 Determination of the Representative Overvoltages |
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274 | (10) |
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14.3.1 Continuous Power-Frequency Voltage and Temporary Overvoltages |
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274 | (1) |
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14.3.2 Slow-Front Overvoltages |
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275 | (2) |
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14.3.3 Fast-Front Overvoltages |
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277 | (1) |
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277 | (1) |
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14.3.3.2 Simplified Approach |
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277 | (1) |
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14.3.3.3 Detailed Calculation; Parameters of Lightning Current |
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278 | (3) |
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14.3.3.4 Direct Strokes to the Phase Conductor |
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281 | (3) |
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14.4 Determination of the Coordination Withstand Voltage and the Required Withstand Voltage |
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284 | (2) |
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14.5 Selection of the Rated Voltage |
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286 | (3) |
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289 | (6) |
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15 Influence of Neutral Earthing on Single-Phase Short-Circuit Currents |
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295 | (30) |
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295 | (1) |
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15.2 Power System with Low-Impedance Earthing |
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296 | (4) |
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15.3 Power System Having Earthing with Current Limitation |
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300 | (2) |
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15.4 Power System with Isolated Neutral |
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302 | (5) |
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15.5 Power System with Resonance Earthing (Petersen Coil) |
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307 | (12) |
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307 | (4) |
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15.5.2 Calculation of Displacement Voltage |
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311 | (3) |
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15.5.3 Tuning of the Petersen Coil |
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314 | (2) |
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15.5.4 Residual Current Compensation |
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316 | (2) |
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15.5.4.1 Residual Current Compensation by Shifting of the Neutral-Point Displacement Voltage |
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318 | (1) |
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15.5.4.2 Residual Current Compensation by Injection of Current into the Neutral |
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318 | (1) |
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15.6 Earthing of Neutrals on HV Side and LV Side of Transformers |
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319 | (6) |
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16 Tendering and Contracting |
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325 | (32) |
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16.1 General (Project Definition) |
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325 | (2) |
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16.2 Terms of Reference (TOR) |
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327 | (2) |
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327 | (1) |
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327 | (1) |
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16.2.3 Scope of Engineering Activities |
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328 | (1) |
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329 | (1) |
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329 | (2) |
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16.4.1 International Tendering |
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330 | (1) |
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330 | (1) |
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331 | (1) |
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331 | (2) |
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333 | (11) |
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333 | (1) |
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334 | (1) |
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16.6.2.1 General, Common Sections |
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334 | (2) |
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16.6.2.2 Sections Specific to Each Lot or Package |
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336 | (1) |
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16.6.3 General Technical Specifications |
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336 | (1) |
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16.6.3.1 General Rules and Provisions Related to the Design |
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337 | (1) |
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16.6.3.2 High-Voltage Metal-Clad SF6-Insulated Switchgear |
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337 | (2) |
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16.6.3.3 Medium-Voltage Switchgear |
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339 | (1) |
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16.6.3.4 Control, Supervision and Protection |
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340 | (1) |
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340 | (2) |
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16.6.3.6 Power and Auxiliary Cable |
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342 | (1) |
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16.6.3.7 Telecommunication System |
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342 | (1) |
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16.6.3.8 Transformers and Reactors |
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342 | (1) |
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16.6.3.9 Auxiliary Equipment |
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343 | (1) |
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16.6.3.10 Civil Works for Substations |
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344 | (1) |
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16.7 Scope of Work and Supply |
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344 | (2) |
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344 | (1) |
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344 | (1) |
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345 | (1) |
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16.7.4 Transformers and Reactors |
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345 | (1) |
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16.7.5 Telecommunication System |
|
|
346 | (1) |
|
16.8 Technical Data Sheets |
|
|
346 | (2) |
|
16.9 Tendering Period and Evaluation of Tender |
|
|
348 | (5) |
|
|
348 | (5) |
|
|
353 | (1) |
|
|
353 | (4) |
Appendix |
|
357 | (8) |
References |
|
365 | (6) |
Index |
|
371 | |