Handbook of Small Electric Motors Episode 6 ppsx
Handbook of Small Electric Motors Episode 6 ppsx
... 25 .65 30.89 36. 60 38.92 42. 46 43 .66 44. 86 46. 06 Field intensity 1.11 1 .62 1.79 1.94 2.31 2.73 3.09 3.21 3.34 3.39 3.43 3.47 MMF drop 0.08 0.12 0.13 0.14 0.17 0.20 0.23 0.24 0.25 0.25 0.25 0. 26 Stator ... 11.13 16. 86 22.70 28 .64 34.50 40.88 43.48 47.43 48. 76 50.10 51.45 Field intensity 1.24 1 .66 1.83 2.10 2.54 2.98 3.29 3.38 3 .61 3.74 3.88 4.02 MMF drop 0.14 0.18 0.20 0.23 0...
Ngày tải lên: 13/08/2014, 05:20
Handbook of Small Electric Motors Episode 3 potx
... 11.1 6, 600 66 0 2000 160 550 44 5 .6 7.0 12.0 15.0 4100 410 Alnico 2 Sint. 3.75 29.8 10,800 1080 3000 240 60 0 48 5.2 6. 5 17.0 21.5 8000 800 Alnico 5 Sint. 3.00 23.9 9,400 940 3000 240 780 62 5.4 6. 8 ... G/Oe (T⋅m)/kA G/Oe (T⋅m)/kA G mT Alnico 2 1 .60 12.7 7200 720 2000 160 560 45 6. 2 7.8 12.0 15.0 4400 440 Alnico 3 1.40 11.1 7000 700 2000 160 475 38 5.1 6. 4 14.0 17.5 4450 445 A...
Ngày tải lên: 13/08/2014, 05:20
Handbook of Small Electric Motors Episode 11 pdf
... (often triax- TESTING 9.29 FIGURE 9.35 Noise spectra of a brushless dc motor: (a) even magnet spacing, ∆x = 65 .62 5 Hz, and (b) as received, ∆x = 64 .750 Hz. (a) (b) FIGURE 9. 36 Amplification of ... than a third of single-shift test duration. Manual spectral analysis can require hours or days of detailed analysis on a lim- ited number of motors, especially for brush dc gear m...
Ngày tải lên: 13/08/2014, 05:20
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...
Ngày tải lên: 11/08/2014, 07:23
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...
Ngày tải lên: 11/08/2014, 07:23
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...
Ngày tải lên: 11/08/2014, 07:23
HANDBOOK OF SMALL ELECTRIC MOTORS pdf
... 4.57–4 .61 and BLDC motors, 5.43 defined, 1.7–1.10 during magnetization, 2.95, 3.144 in polyphase motors, 6. 100 in shaded-pole motors, 6. 86 6. 88 in single-phase motors, 6. 53 6. 54 and step motors, 5 .63 –5 .64 , ... 4.145, 4. 165 Revolving-field theory, 6. 13 6. 25, 6. 29, 6. 33, 6. 37, 6. 45 6. 46 Reynolds number, 8.11 Ribbon retainer, bearing, 3.59 Richards, Earl F.: on...
Ngày tải lên: 27/06/2014, 15:20
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...
Ngày tải lên: 11/08/2014, 07:23
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...
Ngày tải lên: 11/08/2014, 07:23
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...
Ngày tải lên: 11/08/2014, 07:23