. The Bell System technical journal . X3 X2 ARMATURE TRAVEL Fig. 7 — Schematics of nomenclature applying to operate time. ESTIAIATIOX AXD COXTKOL OF OPKKATK TIMK OF HKLAYS IGl 5 6000 9-4000 LL 3000 OPERATING, / BLOCKED OPEN ^ ^ ^^^ X XI y ^ , OPERATir -JG^ / 1 ^^ ■ / Locked open / ^ ^ \ -1 ^ ^ ^LOPE = F48 GM PER MS __^ ^ ^J ^ \ \ \ \ \ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 TIME,t, IN MILLISECONDS Fig. 8 — General character of winding flux and armature force rise. the pole face gap flux as given by (17). Hence, the initial force rise willbe parabolic, as shown by the lower portion of the curves of Fi
. The Bell System technical journal . X3 X2 ARMATURE TRAVEL Fig. 7 — Schematics of nomenclature applying to operate time. ESTIAIATIOX AXD COXTKOL OF OPKKATK TIMK OF HKLAYS IGl 5 6000 9-4000 LL 3000 OPERATING, / BLOCKED OPEN ^ ^ ^^^ X XI y ^ , OPERATir -JG^ / 1 ^^ ■ / Locked open / ^ ^ \ -1 ^ ^ ^LOPE = F48 GM PER MS __^ ^ ^J ^ \ \ \ \ \ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 TIME,t, IN MILLISECONDS Fig. 8 — General character of winding flux and armature force rise. the pole face gap flux as given by (17). Hence, the initial force rise willbe parabolic, as shown by the lower portion of the curves of Fig. a long enough time however, the flux will have reached its maxi-mum and the finally developed force will be constant with time. This isshown by the force curves approaching horizontal lines to the right inthe same force diagram. As the force curve is continuous, there alsomust be an inflection point in the curve, and the entire curve has thegeneral shape as shown. The waiting time ^i occurs while the magnetic force b
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
