. Design of a direct current generator and switchboard for a farm power plant. 33 Dimensions (cont) length of active con - Coil. UUU I Ui y t?JL V vJ.^ 5 -9 size oi snunx wire *T R total insulation be- SBC l lOIl cLi. Wti UJL W 11 O ^ PRX cm. tween cond. & core. mean length of one peripheral speed turn 22 (ft. per min.) 3140 compound conductor © O \J u X uli 0 .05x1 .5 Gap. Commutator Brushes. length at center from iron to iron number of sets 4 diameter of bore of number in one set 2 field lengtii, side oy siae w? rJ + h (y^enT* n TiViPTfiT 1 of W XU b XX ^ O J. J-jJiXU-L C
. Design of a direct current generator and switchboard for a farm power plant. 33 Dimensions (cont) length of active con - Coil. UUU I Ui y t?JL V vJ.^ 5 -9 size oi snunx wire *T R total insulation be- SBC l lOIl cLi. Wti UJL W 11 O ^ PRX cm. tween cond. & core. mean length of one peripheral speed turn 22 (ft. per min.) 3140 compound conductor © O \J u X uli 0 .05x1 .5 Gap. Commutator Brushes. length at center from iron to iron number of sets 4 diameter of bore of number in one set 2 field lengtii, side oy siae w? rJ + h (y^enT* n TiViPTfiT 1 of W XU b XX ^ O J. J-jJiXU-L -w jf ) WJ- P PR Magnet Core. Diuailab xix xxxoiioo D -5 length radially 5 iiumDer ox sogxuuiiijo section D-4J5 covered area of section size of contact sur- of core 15 .2 iace ^sq. total area of contact 1 1 PR X • X»J«J Pole Pieces . \ one poiamjy; P PR length parallel to Yoke. shaft 5 length of pole arc 6 outside diameter 26 polar embrace 76 .5$ inside diameter 22 area of pole face 30 thickness length parallel toshaft 2 24 Dimensions [cont.) Yoke (cont.) numoer oi segment3 tip area of section 29 wiaxn oi segiaenx©useful depth of segment 1 in. Commutator. thickness of insulation diameter length of segmentover all 8 between segmentsperipheral speed(ft, per min.) 2520 area of cylindrical surface 82 active lensth of segment 2,25 Electrical Reactions Electrical circular mils per Armature ampere emf. per circuit, IR drop ^lost volts; no load 110 in armature O emf. per circuit, ohms brush to brush full load 110 at ou <j . U .uo uyps 01 wixiuing no. of turns per com- xglp Commutator mutator segment 2 average volts between amperes per circuit segments of winding frequency of commutation
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1912
