Journal of electricity, power, and gas . ice. Generators and Direct Connected three main generating units are of the vertical re-volving field type, each being provided with a direct con-nected exciter. The generators are of the General ElectricCompany manufacture and are three-phase, 25-cycle, witha guaranteed continuous capacity of 2000 kw. at powerfactor, 2200 volts, 250 revolutions per minute, and with anoverload rating of 2500 kw. at power factor for twohours. The exciters are of 50 kw. capacity at 125 volts, eachcapable of furnishing exciting current for two generato
Journal of electricity, power, and gas . ice. Generators and Direct Connected three main generating units are of the vertical re-volving field type, each being provided with a direct con-nected exciter. The generators are of the General ElectricCompany manufacture and are three-phase, 25-cycle, witha guaranteed continuous capacity of 2000 kw. at powerfactor, 2200 volts, 250 revolutions per minute, and with anoverload rating of 2500 kw. at power factor for twohours. The exciters are of 50 kw. capacity at 125 volts, eachcapable of furnishing exciting current for two maximum guaranteed load. Each unit, generatorand exciter, weighs approximately 65 tons. The generators, under official tests, showed an effi-ciency of per cent at 2000 kw„ power factor; cent at 1500 kw., power factor; and per centat 1000 kw., power factor. The guaranteed temperaturerises of 40 degrees C. above room temperature, of 25 de-grees under continuous operation at full load and 55 degrees. Cross Section Through Waterwheel, Generator and Exciter, Gatun Hydroelectric Installation, Panama Canal. rise after two hours run at 25 per cent overload, were metwith an ample margin. Current limiting reactances were provided to give 5 percent reactive drop, at 2500 , 2200 volts, 3-phase, 25cycle. While the generator windings are sufficiently rigid
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