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 FIGURES (continued)
FIGURE NO.
TITLE
PAGE
3-15
Automatic Oil Circuit Reclosers (Reproduced Courtesy of
McGraw-Edison Company)............................................................................ 3-40
3-16
Typical Single-Phase Automatic Recloser Construction
(Reproduced Courtesy of McGraw-Edison Company).................................. 3-41
3-17
Pole Mounted Capacitor (Reproduced Courtesy of McGraw-Edison
Company)....................................................................................................... 3-46
3-18
Metal-Enclosed Capacitor Bank (Reproduced Courtesy of
McGraw-Edison Company)........................................................................... 3-47
3-19
Open-Rack Capacitor Installation (Reproduced Courtesy of
McGraw-Edison Company)........................................................................... 3-48
4-1
Symmetrical Short-Circuit Current Wave................................................................. 4-5
4-2
Decreasing Symmetrical Short-Circuit Current........................................................ 4-6
4-3
Asymmetrical Short-Circuit Current Wave.............................................................. 4-7
4-4
A Typical Power System and Its Zones of Protection.............................................. 4-16
4-5
Open Fuse Cutout (Reproduced Courtesy of McGraw-Edison Company).............. 4-23
4-6
Open-Link Cutout (Reproduced Courtesy of McGraw-Edison Company).............. 4-24
4-7
Time-Current Curve Band........................................................................................ 4-32
8-1
System Model........................................................................................................... 8-18
TABLES
TABLE NO.
TITLE
PAGE
3-1
Troubleshooting Chart for Circuit Breaker Operation................................................ 3-36
3-2
Overvoltage Limits..................................................................................................... 3-52
3-3
Expected Soil Resistivities......................................................................................... 3-54
4-1
Relays Generally Used for Motor Protection............................................................. 4-19
ACKNOWLEDGEMENTS
All photographs were provided, without charge, courtesy of the Power System Group,
McGraw-Edison Company, Pittsburgh, PA and Westinghouse Electric Corporation,
Pittsburgh, PA.
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