Handbook of Small Electric Motors MAZ Part 6 doc

Handbook of Small Electric Motors MAZ Part 6 doc

Handbook of Small Electric Motors MAZ Part 6 doc

... 550 7.30 0. 263 48 42.2 0 .69 12 .65 18.30 0.055 Alnico 8 HC 7.20 1.90 5.0 860 550 7.30 0. 263 48 39.8 0 .65 12 .65 19.40 0.052 Alnico 9 10 .60 1.50 10.5 860 540 7.30 0. 263 100 83 .6 1.37 26. 35 19.24 ... 2 .63 0.380 Alnico Alnico 5 12.50 0 .64 5.5 860 540 7.30 0. 263 40 43.8 0.72 10.54 14.70 0. 068 Alnico 5-7 13.50 0.74 7.5 860 540 7.30 0. 263 55 59.7 0.98 14.49 14.82 0. 067 Alnico 8 8.2...
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Handbook of Small Electric Motors MAZ Part 2 docx

Handbook of Small Electric Motors MAZ Part 2 docx

... shaded-pole motors, 6. 90– 6. 91 and single-phase motors, 6. 27 6. 28, 6. 32, 6. 36 6. 37, 6. 59 6. 61, 6. 68 6. 69 versus speed, 5.97–5.98 and step motors, 5 .64 –5 .65 , 5 .64 –5 .67 , 5.73–5.74, 5. 76 5.77, 5.80–5.81, 5.80–5.82, ... induction motors: balancing networks, 6. 32 6. 37 circuit model, 6. 13 6. 32 design procedure, 6. 37 6. 38 overview, 6. 1 6. 5 performance calcu...
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Handbook of Small Electric Motors MAZ Part 3 docx

Handbook of Small Electric Motors MAZ Part 3 docx

... properties of 5.17 Styrofoam 4.15 Summation 1.14 Superposition theorem 6. 231 Susceptance 6. 13 Switches 6. 52 ac 6. 62 6. 66 6 .67 ac for dc loads 6. 61 ... general-purpose 6. 53 high-power devices 6. 99 limit 6. 53 6. 56 modern ac devices 6. 99 MT/MO magnetic blowout 6. 58 symbols 6. 53 6. 55 6...
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Handbook of Small Electric Motors MAZ Part 9 doc

Handbook of Small Electric Motors MAZ Part 9 doc

... improvements in flexibility, reliability, and speed. 3.11 BEARING SYSTEMS FOR SMALL ELECTRIC MOTORS* Electric motors are devices that convert electrical energy into magnetic energy and finally into mechanical ... dry ice temperature of −75°F and an oven temperature of 65 0°F. This allows for the extremely fast warming of the shaft and cooling of the rotor while assembling. A...
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Handbook of Small Electric Motors MAZ Part 10 docx

Handbook of Small Electric Motors MAZ Part 10 docx

... pieces of rota- tional electrical equipment.The constant losses usually are considered to be the core losses, friction, and windage. Usually the brush loss is small. 4.1.2 AC Series Motors One of ... TR1, at the bottom of the slot, the angle is half of the tooth pitch angle: θ TR1 = (4.131) The length of the base of TR1 is L TR1 = (4.132) The angle within TR1 that the arc of...
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Handbook of Small Electric Motors MAZ Part 12 doc

Handbook of Small Electric Motors MAZ Part 12 doc

... pole 1 1.000 1.000 1.000 2 0.924 0. 966 0. 866 3 0.911 0. 960 0.844 4 0.9 06 0.958 0.837 5 0.904 0.957 0.833 6 0.903 0.9 56 0.831 ∞ 0.900 0.955 8.270 1 1 ⁄2 0.911 0. 960 0.844 All other fractional 0.900 ... 0.924 12 2 Fractional 5 ⁄ 8 1 -6 30 1 1.000 0. 966 0. 966 9 8 Half-pitch 1 1 ⁄8 1-2 40 1 1.000 0.985 0.985 24 4 Integral 1 1-7 15 2 0. 966 1.000 0. 966 If one uses a 12-slot stator...
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Handbook of Small Electric Motors MAZ Part 14 doc

Handbook of Small Electric Motors MAZ Part 14 doc

... way. Other PM synchronous motors are essentially PM stepper motors run as PSC motors. The motor shown in Fig. 7.19 has a stator consisting of two sets of coils with the teeth offset from each other ... assembly. SYNCHRONOUS MACHINES 7.7 FIGURE 7.9 0. 36- MGOe hysteresis material. BR = 9.5 kG,BD = 6. 0 kG,HC = 1 16 Oe, HD = 60 Oe, BH max = 0. 360 MGOe, BD/HD = 100.0. (Courtesy of...
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Handbook of Small Electric Motors MAZ Part 1 pptx

Handbook of Small Electric Motors MAZ Part 1 pptx

... electromagnetic CAE software. EARL F. RICHARDS (Secs. 1.14, 4.1, 6. 2, 6. 3, and 8.4 to 8.8) is Professor Emeritus of Electrical Engineering in the School of Engineering, University of Missouri, Rolla. ... LAWRENCE (Sec. 3. 16) has a BSME and an MBA from Marquette University. He has worked in sales of servo electric motors at Moog, Inc., and in sales of specialty motors at D...
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Handbook of Small Electric Motors MAZ Part 5 ppsx

Handbook of Small Electric Motors MAZ Part 5 ppsx

... Commutated Motors 5.1 5.1. Brushless Direct-Current (BLDC) Motors / 5.1 5.2. Step Motors / 5.47 5.3. Switched-Reluctance Motors / 5.99 Chapter 6. Alternating-Current Induction Motors 6. 1 6. 1. Introduction ... 6. 1 6. 1. Introduction / 6. 1 6. 2. Theory of Single-Phase Induction Motor Operation / 6. 5 6. 3. Three-Phase Induction Motor Dynamic Equations and Steady-State E...
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Handbook of Small Electric Motors MAZ Part 7 ppsx

Handbook of Small Electric Motors MAZ Part 7 ppsx

... (2.5) B ᎏ 64 ,500 f ᎏ 60 B ᎏ 64 ,500 f ᎏ 60 MATERIALS 2.3 FIGURE 2.2 Hysteresis curves of magnetic material. where σ e = constant based on the quality of the iron, containing an element of resistivity of ... loss of 26- gauge silicon-iron electrical steels at 60 cps. 2.32 CHAPTER TWO FIGURE 2.42 Magnetization curves for electrical grade (AISI M- 36) , metric units. FIGURE 2.4...
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