Electric Power Transmission Plants And the Use of Electricity in Mining Operatio
Electric Power Transmission Plants And the Use of Electricity in Mining Operatio
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In diameter, and wound with seventeen turns of wire; the size of the wire varied, of course, with the carrying capacity of the particular circuit into which it was to be connected. After further experimenting with various combinations of spark-gaps and choke-coils, it was decided that the trial apparatus could consist of eight choke-coils and twelve 1, 000-volt non-arcing metal- arresters for each end of each circuit; that is, four choke-coils should be connected in series in each leg of each c...ircuit, with discharge circuits intervening. The relative positions of these parts are clearly indicated in Fig. 16, which represents one end of each of the three circuits. Dis- ruptive discharges form nodal points in the system ; that is, points where there will be a minimum tendency to discharge; hence to avoid these with any degree of certainty a multiplicity of arresters, preferably line- 17.
arresters, should be used. Choke-coils form points of reflection, or points where there will be a maximum tendency to discharge; hence, a dis- charge spark-gap connected directly in front of a choke-coil is more likely to receive discharges than if placed at some other point in the system.
What to read after Electric Power Transmission Plants And the Use of Electricity in Mining Operatio?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Haight Leggett to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In diameter, and wound with seventeen turns of wire; the size of the wire varied, of course, with the carrying capacity of the particular circuit into which it was to be connected. After further experimenting with various combinations of spark-gaps and choke-coils, it was decided that the trial apparatus could consist of eight choke-coils and twelve 1, 000-volt non-arcing metal- arresters for each end of each circuit; that is, four choke-coils should be connected in series in each leg of each c...ircuit, with discharge circuits intervening. The relative positions of these parts are clearly indicated in Fig. 16, which represents one end of each of the three circuits. Dis- ruptive discharges form nodal points in the system ; that is, points where there will be a minimum tendency to discharge; hence to avoid these with any degree of certainty a multiplicity of arresters, preferably line- 17.
arresters, should be used. Choke-coils form points of reflection, or points where there will be a maximum tendency to discharge; hence, a dis- charge spark-gap connected directly in front of a choke-coil is more likely to receive discharges than if placed at some other point in the system.
What to read after Electric Power Transmission Plants And the Use of Electricity in Mining Operatio?
You can find similar books in the "Read Also" column, or choose other free books by Thomas Haight Leggett to read onlineMoreLess
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