常用電纜載流量選型計算
大小：34 人氣： 2010-01-27 需要積分：0
標簽：電纜(53375)
常用電纜載流量選型計算:"Approx.Overall
diameter
(㎜)"?"Laid in
the air
(A)"?"Laid under
ground
(A)"?"No.of cores*Nominal
cross-sectional area
(㎜2)"?"Approx.Overall
diameter
(㎜)"?"Laid in
the air
(A)"?"Laid under
ground
(A)"
6.1?24?29?3*1.5?11?17?22
6.5?31?38?3*2.5?11.9?22?29
7.4?41?49?3*4?14.9?29?38
7.9?52?61?3*6?14.9?37?47
9.2?72?83?3*10?17.6?52?65
10.3?95?105?3*16?19.9?68?85
12?120?135?3*25?23.7?91?110
13.1?150?160?3*35?26.1?112?134
14.9?180?195?3*50?26.4?133?159
16.9?230?240?3*70?29.8?171?199
19.3?280?285?3*95?33.8?209?237
21.1?325?325?3*120?36.7?242?271
23.1?375?365?3*150?40.2?282?305
25.6?430?415?3*185?45.6?329?346
28.9?510?480?3*240?51.7?392?400
31.7?585?545?3*300?56.1?450?455
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(4) 36.4%
不好我反對
(7) 63.6%