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List of Figures |
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Figure 7-1 |
(Reference) Cable structures .......................................................................................... |
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7 |
Figure 7-2 |
The sample of cable arrangement................................................................................... |
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8 |
Figure 7-3 |
Safety corridor of power cable line ................................................................................ |
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9 |
Figure 8-1 |
Safety corridor of overhead power line........................................................................ |
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10 |
Figure 8-2 |
Safety corridor of tree .................................................................................................. |
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10 |
Figure 72-1 |
Cross section of square busbar ..................................................................................... |
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44 |
Figure 72-2 |
Cross section of box busbar ......................................................................................... |
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45 |
Figure 81-1 |
Electromagnetic force between conductors.................................................................. |
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49 |
Figure 81-2 |
Bus arrangement........................................................................................................... |
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49 |
Figure 84 |
Breaking performance of fuses .................................................................................... |
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51 |
Figure 113 |
(Sample) Map of the route ........................................................................................... |
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61 |
Figure 122 |
Pole sign ....................................................................................................................... |
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64 |
Figure 124 |
Painted signs and signal lamps..................................................................................... |
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65 |
Figure 137-1 Determination of short-circuit breaking currents and of percentage |
D.C. |
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component .................................................................................................................... |
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72 |
Figure 137-2 |
Percentage DC component in relation to the time interval |
from |
the |
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initiation of the short circuit for the standard time constant and for the |
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special case time constants........................................................................................... |
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73 |
Figure 142 |
Altitude correction factor ............................................................................................. |
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75 |
Figure 145-1 Mechanical interlock between line disconnector and earthing switch ......................... |
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76 |
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Figure 145-2 Electrical interlock for line disconnector and earthing switch ..................................... |
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77 |
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Figure 146 |
(Reference) Earthing Terminal ..................................................................................... |
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77 |
Figure 148 |
Necessary length of lead wire which connects between two equipment...................... |
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79 |
Figure 157-1 Sump with integrated catchment tank .......................................................................... |
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82 |
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Figure 157-2 Sump with separated catchment tank ........................................................................... |
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82 |
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Figure 157-3 Sump with integrated common catchment tank ........................................................... |
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82 |
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Figure 159 |
The outlet layout example of hospital grade (Connected to isolating TR) |
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and normal grade.......................................................................................................... |
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83 |
Figure 287 |
Distance for induction ................................................................................................ |
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145 |
Figure 305 |
The example of secondary fault due to the shortage of arc space.............................. |
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155 |
Figure 306 |
Connection diagram of knife switch .......................................................................... |
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156 |
Figure 310 |
The Example of screw-in fuse and fuse base ............................................................. |
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157 |
viii
Figure 321 |
Measurement of resistance of compression part using the voltage-drop |
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method........................................................................................................................ |
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160 |
Figure 358 |
Example of protection by enclosure for the conductor of the transformer................. |
170 |
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Figure 365 |
(Reference) Japanese installation example of drive engine |
with |
lock |
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system of the disconnecting switch in one pole ......................................................... |
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173 |
Figure 369 |
PVC conduit (with a weather resistant |
and a |
self |
extinguishing |
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performance) .............................................................................................................. |
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174 |
Figure 377-1 Schematic diagram of atmospheric over-voltage protection of substations |
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connected to overhead line via branches with a) length up to 150m b) |
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length over 150m to 500m ......................................................................................... |
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180 |
Figure 377-2 Schematic diagram of atmospheric over-voltage protection of substations |
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connected to overhead line via branches with (a) length up to 150m and |
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(b) over 150m............................................................................................................. |
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180 |
Figure 382 |
Atmospheric overvoltage protection diagram for electric rotation machine |
..............184 |
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Figure 389 |
Installation example of oil level gauge....................................................................... |
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189 |
Figure 390-1 Installation example of Buchholz Relay (Japanese case)........................................... |
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190 |
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Figure 390-2 Installation example of maintenance ladder (Japanese case) ..................................... |
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190 |
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Figure 395 |
Installation example of bursting tube and catchment tank ......................................... |
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191 |
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Figure 420-1 |
Protection Zones......................................................................................................... |
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200 |
Figure 420-2 |
Protection Zone and the arrangement of circuit breaker and |
current |
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transformer ................................................................................................................. |
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200 |
Figure 426 |
Impedance locus during transient power swing ......................................................... |
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202 |
Figure 548 |
Permissible touch voltage UT ..................................................................................... |
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257 |
Figure 549 |
Grounding method of neutral conductor .................................................................... |
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259 |
Figure 566-1 |
Grounding method of neutral conductor |
of-voltagelow |
electrical |
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equipment................................................................................................................... |
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268 |
Figure 566-2 |
Grounding method of neutral conductor |
of-voltagelow |
electrical |
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equipment................................................................................................................... |
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268 |
Figure 566-3 |
Grounding method of neutral conductor |
of-voltagelow |
electrical |
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equipment................................................................................................................... |
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269 |
Figure 566-4 |
Grounding method of neutral conductor |
of-voltagelow |
electrical |
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equipment................................................................................................................... |
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270 |
Figure 567 |
Touch voltage and step voltage .................................................................................. |
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272 |
Figure 568-1 |
Two-layer land............................................................................................................ |
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273 |
Figure 568-2 Two coefficients k1 and k2 ........................................................................................ |
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277 |
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Figure 569-1 Earth fault outside substation ..................................................................................... |
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281 |
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Figure 569-2 Earth fault inside substation....................................................................................... |
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281 |
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ix |
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Figure 570 |
Earth fault at two points distant from each other in different phases......................... |
285 |
Figure 589 |
Connecting method of grounding conductor.............................................................. |
293 |
Figure 591 |
Connection between metal enclosure and metal base ................................................ |
293 |
x