التحريك الكهربائي
TRANSCRIPT
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2-1 W 200قطار كتلته ton 20بدأ حركته من السكون واستغرق s لتصل سرعته إلى
36 km/h . ذا كان جھد إناء فترة التسارع ثاحسب التيار المسحوب من المصدر أ.% 60وس صندوق التروكفاءة % 90وكفاءة المحرك V 3000المصدر
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58
אא אא،אאאTmא،
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59
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60
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61
3 J5W250 ton،א،
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67
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א א א א א ، א א א ، א א
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68
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69
אאK
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א ،אאא ،א א א א
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אאא א ، א אא א אאK
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א א א אא ،א אאאאFא
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W E1 E2
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70
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بإعادة التوليدالفرملة )٦-١الشكل (
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71
6-1Wא ،220 V، א א אא 215א V،
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72
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א אאא،אא،אא
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Eb = Ib.Rt = Ib(Ra+R) (6-5)
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73
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74
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-3אאא W Reverse Current Braking or Plugging
א א ،א א א אFאאאא،א
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،אאאאאאא،Kא
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75
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W RRR at
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76
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אא
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77
Nm
Nm
6-4W،אאאV400אא،A200،אΩ0.1אא،rpm 600،
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78
W 6-1WאKאאאאאאא
6-2WאאאאאאאאאאאאK
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א1200 rpm.א،0.05 Ω، אאאא 200 N.m אאאאא،אK
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Kאא
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79
אאא
אא
אא
אאאא
80
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-Kאאא
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JKאאאא،אא
אא
אאאא
81
אWאאאא
א אאא א אא א א א א
Wאאאא
אאאאאK
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،אאאאא אאאאא،אאא
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١ JאאWא
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אא
אאאא
82
Kאאאא
Kא
٢ JאאאW
אא،Kאא
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Kאא
Kאאא
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، א א ،א אאאא אא K
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אאאאאא ،א א ،א
א א א א א Kא אא،אאאאKא
אא
אאאא
83
א א א
אאאא،אאאאאאאאאK
אאW
אאאאאאאאאא،
א אא א א א א אאאW
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אאא،אאא אא،אאאא
א Fא א א א א E א א،א–K
JאאאאאאWאאאאאא،
،E א א א F א א א א אאאאא
א،א א אא א אאK
אא
אאאא
84
JאאאאאאWאא،א
אKאא
JאאאאאאאW ،אאאאאאK
Wאאאא
אאאW
K אאאאאאאאKאאא،א
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אאאאאא،אא،אא א א א Kא אאאאא،אאא،א
אK
אא
אאאא
85
،אאאאאא ،א א א א
א א א K א אאאאא،אא،
אא Kא אאKאאאא
א،אאאאאאאאא،א א אא
Kאאאא
אא
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86
W
7-1W؟אאא 7-2W؟אאאאאא
7-3Wאאא؟א
7-4Wאא؟
7-5Wאאאא،אא؟
7-6W ؟אא
אא
אאאא
87
אא
אא א
אאאא
K–א–KKK
אאא Kא
אK–K
Electric Motors and Drives Fundamentals A. Hughes, Heinemann Newnes, 1990.
Electric Drives: Concepts and Application V. Subrahmanyam, McGraw-Hill, 1990.
Utilisation of Electric Power & Electric
Traction G. C. Garg, KHANNA
PUBLISHERS DELHI, 1988.