. The street railway review . ch shift, all acting according to their best judgment; for therecan be no fixed rules for emergencies like these. Indeed, thoughthe Power company has laid down rules to cover every point possi-ble, for the guidance of all departmients, it stops short here. Eachelectrician in charge must run his shift according to his best judg-ment in times of emergency, and must frequently decide almostinstantaneously. Here the telephone operator comes to the assistance of the elec-trician again. Il may be there has been a great run of ice, and thelocal load has been reduced; and
. The street railway review . ch shift, all acting according to their best judgment; for therecan be no fixed rules for emergencies like these. Indeed, thoughthe Power company has laid down rules to cover every point possi-ble, for the guidance of all departmients, it stops short here. Eachelectrician in charge must run his shift according to his best judg-ment in times of emergency, and must frequently decide almostinstantaneously. Here the telephone operator comes to the assistance of the elec-trician again. Il may be there has been a great run of ice, and thelocal load has been reduced; and Buffalo, which is last to be reduced,gets a hurried call to throw off load; the blast from a semaphore,also, which means the immediate shut-dowu of the dynamo corre-sponding, calls for another immediate reduction of load. If it isimpossible to get the parties in time to accomlplish this before abearing becomes dangerously hot, as indicated by the thermometersin the oil of the bearings, the electrician must resort to the last. IlIK NllJirr (llEHATOH. means at liis disposal- llirouitig the eniergeiK-y switch, which opensall Ihe fields of the dynamos involved. There is a busy lime now for the telephone operator. BesidesIhe numerous inquiries as lo Whals the matter? How long willIhe power be olT? Any damage done? etc., all of which musthe promptly and respectfully answered, he nnisl be reaily to carryout al once Ihe electricians orders. The melhod of starting depends upon the nature of a hiiig-dislaiice lines always have preference. The electrician 728 STREET RAILWAY REVIEW. ( XIII. No. 9 will uMially close a dynamo a. c. swilcli and put on the field instarting up, no current being on the a. c. bus-bars. He will then^yMchronizc the next generator and telephone to Buffalo and Tona-wanda to put on a certain load, according to the conditions. Beforethey can get on their load, he will have another dynamo in operation,and all safe for the time being. So many conditio
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
