McGraw-HillBookCompaiiyElectricalWorld The and JournalEngineering MiningRecord NewsEngineering EngineeringGazette AmericanMachinistRailwayAge.AmericanSignal EngineerUnginoerElectric Journal CoalRailway AgeandChemical PowerMetallurgical EngineeringOVERHEAD ELECTRICPOWER TRANSMISSIONPRINCIPLES AND CALCULATIONSBYALFRED STILLASSISTANT PROFESSOR OF ELECTRICAL PURDUEENGINEERING, UNIVERSITY; MEMBER OFTHE INSTITUTION OF MEMBER OF THE AMERICANENGINEERS;INSTITUTE OF ASSOCIATE MEMBER OF THEINSTITUTION OF CIVIL ENGINEERS. AUTHOR OF "ALTER-NATING CURRENTS AND THE THEORY OFTRANSFORMERS" AND "POLY-' 'PHASE CURRENTS,McGRAW-HILL BOOK INC.COMPANY,239 WEST 39TH NEW YORKSTREET,6 BOUVERIE E. C. LONDON,1913BY THE1913,COPYRIGHT,INC.BOOKMCGRAW-HILL COMPANY,***2 A;^v::."**" Si.*; !.YORK PAMAPLE PRESS'THE.PREFACEthis book treats of the fundamentalAlthough mainly principlesand scientific laws which determine the correct of over-designhead electric transmission it has been writtenlines, primarilyto the needs of the An hassatisfy practical engineer. attemptbeen made to the reasons of to the deriva-give things explaintion of methods and formulas in thepractical simplest possibleterms: the use of mathematics has been buthigher avoided;vector where withdiagrams, supplemented necessary trigono-metrical have been used for the solution of alter-formulas, freelycurrent It is therefore that the booknating problems. hopednot to the of trans-may prove useful, ...
McGraw-HillBookCompaiiy
ElectricalWorld The and Journal
Engineering Mining
Record NewsEngineering Engineering
Gazette AmericanMachinistRailwayAge
.AmericanSignal EngineerUnginoer
Electric Journal CoalRailway Age
andChemical PowerMetallurgical EngineeringOVERHEAD ELECTRIC
POWER TRANSMISSION
PRINCIPLES AND CALCULATIONS
BY
ALFRED STILL
ASSISTANT PROFESSOR OF ELECTRICAL PURDUEENGINEERING, UNIVERSITY; MEMBER OF
THE INSTITUTION OF MEMBER OF THE AMERICANENGINEERS;
INSTITUTE OF ASSOCIATE MEMBER OF THE
INSTITUTION OF CIVIL ENGINEERS. AUTHOR OF "ALTER-
NATING CURRENTS AND THE THEORY OF
TRANSFORMERS" AND "POLY-
' '
PHASE CURRENTS,
McGRAW-HILL BOOK INC.COMPANY,
239 WEST 39TH NEW YORKSTREET,
6 BOUVERIE E. C. LONDON,
1913BY THE1913,COPYRIGHT,
INC.BOOKMCGRAW-HILL COMPANY,
***
2 A;^v::.
"**" Si.*; !.
YORK PAMAPLE PRESS'THE.