Convention, Volume 21 |
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Halaman 294
... arrester . A transformer should also be able to stand a double primary potential test for five minutes , and the insu- lation test should be made between the coils and between each coil and the core . In the case of transformers to be ...
... arrester . A transformer should also be able to stand a double primary potential test for five minutes , and the insu- lation test should be made between the coils and between each coil and the core . In the case of transformers to be ...
Halaman 298
... arrester have placed a small piece of tissue paper , which , being punctured , gave a register of the discharge . These papers were collected after each storm , and a record was kept of the points from which the discharges occurred ...
... arrester have placed a small piece of tissue paper , which , being punctured , gave a register of the discharge . These papers were collected after each storm , and a record was kept of the points from which the discharges occurred ...
Halaman 299
... arrester that has for its path between line and ground a so - called " low resist- ance " in series with a single - spark gap . The natural inference would be that the lightning arrester having one air gap is a short - gap lightning ...
... arrester that has for its path between line and ground a so - called " low resist- ance " in series with a single - spark gap . The natural inference would be that the lightning arrester having one air gap is a short - gap lightning ...
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alternating current alternating-current motors alternating-current station alternating-current system amperes apparatus arc lamps average AYER candle power capacity cent central station central-station charge circular mils coal Condensing connected convention copper core loss cost curve customers demand meter Detroit direct current direct-current system disruptive discharges distribution system district dynamos economical efficiency Electric Company Electric Light Association Electric Light Company electric-lighting engines executive committee expenses feeder Ferguson figures horse power increase installed interest investment iron loss kilowatt kilowatt-hour Lachine Rapids Light and Power lightning arrester load-factor low-tension mains manufacturer maximum load meeting municipal ownership National Electric Light operation output paper Power Company PRESIDENT public lighting question regulation rotary transformers SAMUEL INSULL selling single-phase steam street sub-stations three-phase three-wire system tion to-day trans unit volts Wagner WALBANK water-power plant watt-hours watts Wright demand