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elect1 - Outline u Early Sources Of Electrical Energy u...

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Unformatted text preview: Outline u Early Sources Of Electrical Energy u Mechanical Generators Of Electricity u Dynamo-Electric Generators u Gramme Armature & Successors u Alternator u Electric Lighting u Power Stations u Batteries ELECTRICAL ELECTRICAL POWER Early Sources Of Electrical Energy u Electro-Statics t Frictional Machines Using Glass Cylinders u Electro-Chemistry t Chemical Effects Of An Electric Current Allesandro Volta (1745-1827) Voltaic Pile 1800 u Electricity Generated In A Battery u u t Zinc (Z) u Alessandro Volta u Electro-Magnetics Electro-Magnetics t Silver (A) Or Copper t Flannel Or Paper w w u Electro-magnetics Electro-magnetics u H. C. Oersted (1771-1851) t Danish Scientist - 1820 t Magnetic Needle Moved In Vicinity Of A Conductor Carrying Electricity t Magnetic Field Surrounding A Conductor Carrying Electricity u A. M. Ampere (1775-1836) t Electro-Dynamic Interaction Of Electric Currents & Magnets t Commutator Current Trough Wire Electro-magnetics Electro-magnetics (continued) u D. f. J. Arago (1786-1853) t Produced First Electro-Magnet (1820) u W. Sturgeon (1783-1850) t First Practical Electro-Magnet (1825) u Michael Faraday (1791-1867) t “Convert Magnetism Into Electricity” t Electro-Magnetic Induction (1831) t Not Interested In Commercialism First First Mechanical Generators Of Electricity Principles Pixii u Saxton u Clarke Basic Principles uA Conductor Carrying Electricity Produces A Magnetic Field Surrounding It u Basic t If Conductor Is Coiled Around Iron u Hippolyte w t If Iron Is Hardened By Hammering w u Electric Generators t Field System w t Coil System w t Relative Movement Between Systems Hippolyte Pixii First Magneto-Electric Machine u 1832 u Hand-Driven u Only Working Model u Field Magnet Revolves Relative To Coil u First Practical Application Of Faraday’s Principle u Magneto-Electric Machines u Saxton w w u Pixii (1833) t Added Commutator - Based On Ampere’s Work t Converted Oscillating Current To Unidirectional Current E. M. Clarke Owned Company Making Scientific Instruments u First Manufacturing On Commercial Scale (1833) t Arrangement Of Components Was Reversed Stoehrer Of Leipzig u t 1834 Coils Rotated In Plane Parallel To Side Of Magnet u Experimented With Types Of Windings u 1846 Three Horseshoe Shaped Magnets u Six-Polar Armature u Science Museum Of London u u F. F. Nollet (1794-1853) Frederick Hale Holmes u Tested u First To Contemplate Making A Power-Driven Magneto-Electric Machine t Supply Relatively Large Output t Lighthouses t Died Before Completion u Frederick Hale Holmes Continued Work On Small Scale t Trinity House Wharf to Woolrich On Thames u Components t 36 U-Shaped Magnets In Pairs Of Six t Poles Outward t Stationary Coils & Commutator u Size - 5’ Square & 2 tons u Output t Driven By Steam Engine At 600rpm t 1.5 kw ...
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