Chemical engineering . into use theiwo older methods above mentioned, 1. c changing the fieldstrength or inverting resistance. The ideal regulation is obtained by having the fields of thegenerator separately excited from a high-voltage circuit, asby this method, in addition to the regulation above referredto, a certain further variation can be obtained by weakeningor strengthening the field by means of a tield rheostat operat-ing on a line not controlled by the speed of the generator it-self; and for generators of 500 amperes or more the generatorcan be arranged to use the three-wire system, b
Chemical engineering . into use theiwo older methods above mentioned, 1. c changing the fieldstrength or inverting resistance. The ideal regulation is obtained by having the fields of thegenerator separately excited from a high-voltage circuit, asby this method, in addition to the regulation above referredto, a certain further variation can be obtained by weakeningor strengthening the field by means of a tield rheostat operat-ing on a line not controlled by the speed of the generator it-self; and for generators of 500 amperes or more the generatorcan be arranged to use the three-wire system, by which twoor three different voltages can be obtained from the machineat the same time. Armored Stoneware Cocks and Spigots It has often been emphasized by the most successful chehi-ical and electrochemical engineers that they experienced theirgreatest troubles in the solution of the numerous small prob-lems in details of mechanical construction. A process maywork extremely well in its experimental stage, but when its.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmetallu, bookyear1902
