Central Electrical Stations: Their Design, Organisation, and ManagementC. Griffin and Company, limited, 1901 - 496 Seiten |
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Seite 9
... vary from £ 200 to £ 500 per annum for small stations , and from £ 800 to £ 2000 per annum in important stations , though £ 1000 per annum or above is exceptional . In some cases , especially in the smaller stations , the engineer also ...
... vary from £ 200 to £ 500 per annum for small stations , and from £ 800 to £ 2000 per annum in important stations , though £ 1000 per annum or above is exceptional . In some cases , especially in the smaller stations , the engineer also ...
Seite 12
... vary greatly according to the nature of the system of supply necessitated by the character of the district , and it will be dependent upon the cost of the site for the works . It may be taken for granted that , if an efficient supply be ...
... vary greatly according to the nature of the system of supply necessitated by the character of the district , and it will be dependent upon the cost of the site for the works . It may be taken for granted that , if an efficient supply be ...
Seite 28
... vary greatly . It may be divided into a large number of small networks , each fed by a separate feeder , or into several , each fed by a group of feeders ; or it may be one large system into which the whole of the feeders deliver ...
... vary greatly . It may be divided into a large number of small networks , each fed by a separate feeder , or into several , each fed by a group of feeders ; or it may be one large system into which the whole of the feeders deliver ...
Seite 29
... expenditure . If a high pressure system be adopted , there is at once a certain loss at all hours of the day , owing to the waste in the transformers . This will vary at full load from 2 or 3 per cent SYSTEMS OF SUPPLY . 29.
... expenditure . If a high pressure system be adopted , there is at once a certain loss at all hours of the day , owing to the waste in the transformers . This will vary at full load from 2 or 3 per cent SYSTEMS OF SUPPLY . 29.
Seite 30
Their Design, Organisation, and Management Charles Henry Wordingham. vary at full load from 2 or 3 per cent . , with alternating , to 8 or 9 per cent . , with continuous current ; but with lower loads the efficiency of the apparatus ...
Their Design, Organisation, and Management Charles Henry Wordingham. vary at full load from 2 or 3 per cent . , with alternating , to 8 or 9 per cent . , with continuous current ; but with lower loads the efficiency of the apparatus ...
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Central Electrical Stations: Their Design, Organisation, and Management Charles Henry Wordingham Keine Leseprobe verfügbar - 2015 |
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advantage alternating current ammeters amount amperes apparatus arc lamps arranged battery bitumen boiler cables cast iron cells cent central station charge CHARLES GRIFFIN Chief Engineer circuit coal coil condenser conductors connected considerable consumer's consumers continuous current convenient copper cost culvert dielectric distributing mains earth electrical employed energy feeders fixed fuse give heat high pressure important inch installation insulation resistance joint kilowatts laid lamps Lancashire boiler length light low pressure machine material maximum demand means mechanical megohms meter motor necessary ordinary passes pipes placed plant practically pumps regulating repairs reproduced in Form revolutions per minute rubber running short circuit shown in fig shown in Form shunt speed steam stokers street sub-stations sumer superheat supply surface switch switchboard temperature transformers trough tubes Undertakers usually valves voltmeter volts vulcanised whole wire
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Seite 41 - EDITION, Thoroughly Revised. Pocket-Size, Leather. 8s. 6d. A POCKET-BOOK OF MARINE ENGINEERING RULES AND TABLES, FOR THE USE OF Marine Engineers, Naval Architects, Designers, Draughtsmen, Superintendents and Others. BY AE SEATON, MIOE, MIMech.E., MINA, AND HM ROUNTHWAITE, MIMech.E., MINA, " The best book of its kind, and the information is both up-to-date and reliable.
Seite 50 - CONTENTS.— Resolution and Composition of Forces— Work done by Machines and Living Agents — The Mechanical Powers : The Lever ; Derricks as Bent Levers— The Wheel and Axle: Windlass; Ship's Capstan ; Crab Winch— Tackles : the "Old Man"— The Inclined Plane; the Screw— The Centre of Gravity of a Ship and Cargo — Relative Strength of Rope : Steel Wire, Manilla, Hemp, Coir — Derricks and Shears- Calculation of the Cross-breaking Strain of Fir Spar— Centre of Effort of Sails — Hydrostatics:...
Seite 65 - Economic Considerations. * No English text-book at all approaches this in the COMPLETENESS with which the most modern views on the subject are dealt with. Professor Austen's volume will be INVALUABLE, not only to the student, but also to those whose knowledge of the art is far advanced."— Chemical News.
Seite 35 - TABLE, in place of the usual Fifteen minute computations required. This alone is evidence of the assistance which the Tables ensure to every user, and as every Surveyor in active practice has felt the want of such assistance FEW KNOWING OF THEIR PUBLICATION WILL REMAIN WITHOUT THEM.
Seite 55 - RESEARCHES ON THE PAST AND PRESENT HISTORY OF THE EARTH'S ATMOSPHERE. Including the latest Discoveries and their Practical Applications. BY DR. THOMAS LAMB PHIPSON. PART I. — The Earth's Atmosphere in Remote Geological Periods. PART II. — The Atmosphere of our present period. Appendices; Index. " The book should prove of interest to general readers, as well as to meteorologists and other students of science.
Seite 30 - English and Foreign Boilers with their Heat Efficiencies shown in Fifty Tables — Fire Grates of Various Types — Mechanical Stokers — Combustion of Fuel in Boilers — Transmission of Heat through Boiler Plates, and their Temperature — Feed Water Heaters, Superheaters, Feed Pumps, &c. — Smoke and its Prevention — Instruments used in Testing Boilers — Marine and Locomotive Boilers — Fuel Testing Stations — Discussion of the Trials and Conclusions — On the Choice of a Boiler, and...
Seite 28 - Engineer, are given and carefully worked out, some being solved both analytically and graphically, as a guide to the Student. 4. The chapters devoted to the practical side of the subject, the Strength of Joints, Punching, Drilling, Rivetting, and other processes connected with the manufacture of Bridges, Roofs, and Structural work generally, are the result of MANY YEARS...
Seite 42 - Prof. SMITH'S CONVERSION-TABLES form the most unique and comprehensive collection ever placed before the profession. By their use much time and labour will be saved, and the chances of error in calculation diminished.