Page 641 - index
P. 641
Ⱦԥɧɟɤɟɪɥɟɭɲɿ ɦɚɬɟɪɢɚɥ ɪɟɬɿɧɞɟ ɬɚɡɚ ɦɟɬɚɥɞɚɪ ɞɚ, ɨɥɚɪɞɵԙ ԕɨɪɵɬɩɚɥɚɪɵ
ɞɚ ԕɨɥɞɚɧɵɥɚɞɵ. Ɍԥɠɿɪɢɛɟ ɠԛɡɿɧɞɟ ɠɢɿ ԕɨɥɞɚɧɵɥɚɬɵɧ ԕɨɪɵɬɩɚɥɚɪ – ԕɚɥɚɣɵ,
ɦɵɫ ɠԥɧɟ ɤԛɦɿɫ ɦɟɬɚɥɞɚɪɵɧɵԙ ɧɟɝɿɡɿɧɞɟɝɿ ԕɨɪɵɬɩɚɥɚɪ. Ʉɟɣɛɿɪ ɞԥɧɟɤɟɪɥɟɭɲɿ
ɦɚɬɟɪɢɚɥɞɚɪɞɵԙ ɫɢɩɚɬɬɚɦɚɥɚɪɵ ɬԧɦɟɧɝɿ ɤɟɫɬɟɞɟ ɤɟɥɬɿɪɿɥɝɟɧ.
Ⱦԥɧɟɤɟɪɥɟɭɲɿ ȿɪɭ Vɟ, ɋɚɥɵɫɬɵɪɦɚɥɵ
ɦɚɬɟɪɢɚɥɞɚɪ ɬɟɦɩɟɪɚɬɭɪɚɫɵ,
ɤɝɫ / ɦɦ2 Ɇɉɚ ԝɡɚɪɭɵ, %
Ԕɚɥɚɣɵ-ԕɨɪԑɚɫɵɧɞɵ ɋ 0
Ɇɵɫ-ɰɢɧɤɬɿ 4,5 45 48
Ʉԛɦɿɫ-ɦɵɫɬɵ | 230 35 350 20
40 400 25
880
720
Ⱦԥɧɟɤɟɪɥɟɧɝɟɧ ɛɿɪɿɤɬɿɪɭɥɟɪɞɿ ɛɟɪɿɤɬɿɤɤɟ ɟɫɟɩɬɟɭ ɩɿɫɿɪɿɥɭɝɟ ɟɫɟɩɬɟɭɦɟɧ
ɛɿɪɞɟɣ ɞɟɫɟ ɛɨɥɚɞɵ. Ɇɵɫɚɥɵ:
– ɠɚɩɫɚɪɥɚɩ ɛɿɪɿɤɬɿɪɭɞɟɝɿ (22 ɚ-ɫɭɪɟɬ) ɛɟɪɿɤɬɿɤ ɲɚɪɬɵ:
V P d >V c@ , (1)
bs
- ɚɣԕɚɫɬɵɪɵɩ ɛɿɪɿɤɬɿɪɭɞɟɝɿ (22 Ω-ɫɭɪɟɬ) ɛɟɪɿɤɬɿɤ ɲɚɪɬɵ:
W P d >W c@. (2)
bl
22-ɫɭɪɟɬ
Ȼɨɥɚɬɬɚɧ ɠɚɫɚɥԑɚɧ ɛԧɥɲɟɤɬɟɪɞɿ ɛɿɪɿɤɬɿɪɝɟɧɞɟ, ɛԧɥɲɟɤɬɿԙ ɛɟɪɿɤɬɿɝɿ
ɠɚɩɫɚɪɞɵԙ ɦɚɬɟɪɢɚɥɵɧɵԙ ɛɟɪɿɤɬɿɝɿɧɟɧ ɤԧɩ ɛɨɥɚɬɵɧɵ ɛɟɥɝɿɥɿ. Ɉɫɵɧɞɚɣ
ɠɚԑɞɚɣɞɚ, ɛԧɥɲɟɤ ɩɟɧ ɠɚɩɫɚɪɞɵԙ ɛɟɪɿɤɬɿɝɿ ɛɿɪɞɟɣ ɛɨɥɭ ԛɲɿɧ ɨɥɚɪɞɵ
ɚɣԕɚɫɬɵɪɵɩ ɛɿɪɿɤɬɿɪɭ ԕɚɠɟɬɬɿɥɿɝɿ ɬɭɵɧɞɚɣɞɵ. Ⱥɣԕɚɫɬɵɪɵɩ ɛɿɪɿɤɬɿɪɭɞɟɝɿ
ɬɟԙɛɟɪɿɤɬɿɥɿɤ ɲɚɪɬɵ:
l >V @s , (3)
>W c@
ɛԝɥ ɮɨɪɦɭɥɚɞɚԑɵ >V @ – ɛԧɥɲɟɤ ɦɚɬɟɪɢɚɥɵɧɵԙ ɦԛɦɤɿɧ ɤɟɪɧɟɭɿ.
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