Convention, Volume 21922 |
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Halaman 970
... ground currents . General practice on the larger systems is to install switches between each generator neutral and the ground bus , and in most cases to operate with the neutral of only one generator on any bus section grounded at the ...
... ground currents . General practice on the larger systems is to install switches between each generator neutral and the ground bus , and in most cases to operate with the neutral of only one generator on any bus section grounded at the ...
Halaman 1202
... Ground Detectors Ground detectors as applied to station use are of two general classes ; one which is permanently in- stalled to indicate when a ground occurs on a sys- tem , or on certain portions of the system ; the other in which the ...
... Ground Detectors Ground detectors as applied to station use are of two general classes ; one which is permanently in- stalled to indicate when a ground occurs on a sys- tem , or on certain portions of the system ; the other in which the ...
Halaman 1203
... grounds , all three lamps burn at approximately 66 volts , but when a ground develops , the unbalance of the voltage is shown by the lamps . The grounded phase lamp goes dark at about 200 volt , ground normal " Y " voltage on a 3 phase ...
... grounds , all three lamps burn at approximately 66 volts , but when a ground develops , the unbalance of the voltage is shown by the lamps . The grounded phase lamp goes dark at about 200 volt , ground normal " Y " voltage on a 3 phase ...
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Report of Prime Movers Committee Continued | 699 |
30 P M | 920 |
45 P M | 1044 |
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