电压降计算

项次123456789101112131415161718192021222324252627282930313233343536373839404142434445CABLENUMBERNB-H-13NB-H-14NB-H-23NB-H-24NA-C21-6AEA-C22-4AEA-M31-11NB-M3A1-4UB-M3A1-2UB-M3A1-3EB-M3A1-1EB-M3A1-4ND-M11-1NA-M31-3NA-M31-6NA-L31-1NA-L31-2NA-L31-3NA-L31-4EA-M31-4EA-M31-5EA-M31-6EA-M31-7EA-M31-8EA-M31-9EA-M31-10EA-L31-3EA-L31-4EA-L31-5EA-L31-6NB-L3A1-1NB-L3A1-2NB-L3A1-3NB-L3A1-4NB-L3A2-5UB-P1B1-1UB-P1B1-2UB-P1B2-1EB-M3A1-5EB-M3A1-8EB-M3A1-9EB-M3A1-10EB-M3A1-11EB-M3A1-12EB-M3A1-13From设备To设备组数111122111111111111111111111111111112221111111电缆线数333333444444411111111111111111111111111111111NB-HV-13NB-TR-13NB-HV-14NB-TR-14NB-HV-23NB-TR-23NB-HV-24NB-TR-24NA-MC2-1HWP-03EA-MC2-2HWP-04EA-MP3-1ED-MT1-1NB-MP3A-1EB-APB1B-1UB-ML3A-1UB-PP1B-1UB-ML3A-1UB-PP1B-2EB-MP3A-1EB-PP3A-1EB-MP3A-1EB-APB1B-1ND-MP1-1WWTNA-MP3-1NA-PP2-1NA-MP3-1NA-PP3-1NA-ML3-1NA-LPB1-1NA-ML3-1NA-LP1-1NA-ML3-1NA-LP2-1NA-ML3-1NA-LP3-1EA-MP3-1熱水鍋爐系統EA-MP3-1EA-AP3-1EA-MP3-1EA-MTB-1EA-MP3-1EA-MT1-1EA-MP3-1EA-MT2-1EA-MP3-1EA-MT3-1EA-MP3-1EA-MTR-1EA-ML3-1EA-LPB1-1EA-ML3-1EA-LP1-1EA-ML3-1EA-LP2-1EA-ML3-1EA-LP3-1NB-ML3A-1NB-LP1A-1NB-ML3A-1NB-LP2A-1NB-ML3A-1NB-LP3A-1NB-ML3A-1NB-LP4A-1NB-ML3A-2NB-LP4B-1UB-PP1B-1PCW-01UB-PP1B-1PCW-02UB-PP1B-2PCW-03EB-MP3A-1EB-PP3A-2EB-MP3A-1EB-MT1A-1EB-MP3A-1EB-MT2A-1EB-MP3A-1EB-MT3A-1EB-MP3A-1EB-MT4A-1EB-MP3A-1EB-MTB1B-1EB-MP3A-1EB-MT1B-1CABLE电缆段长(M)蕊数SIZE(mm2)195241952719526195311954019532195225195137195140.51951431959.5195133.51951043510843512435110435110435934355943511443550.54351104351084359243557.543590435108435106435914355643594435854354243588435147335273352833525435464359043580435394358643513343598INSULATIONTYPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEVOLTS8KV8KV8KV8KV600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V46474849505152535455565758596061626364EB-M3A1-14EB-L3A1-1EB-L3A1-2EB-L3A1-3EB-L3A1-4EB-L3A2-1EB-L3A2-2EB-L3A2-3EB-L3A2-4EB-L3A2-5EB-L3A2-6EB-M4C1-3EB-M4C1-4EB-M4C1-5EB-M4C1-6EB-M4C1-7EB-M4C1-8EC-M11-11ND-M11-2EB-MP3A-1EB-ML3A-1EB-ML3A-1EB-ML3A-1EB-ML3A-1EB-ML3A-2EB-ML3A-2EB-ML3A-2EB-ML3A-2EB-ML3A-2EB-ML3A-2EB-MP4C-1EB-MP4C-1EB-MP4C-1EB-MP4C-1EB-MP4C-1EB-MP4C-1EC-MP1-1ND-MP1-1EB-MT4B-1EB-LP1A-1EB-LP2A-1EB-LP3A-1EB-LP4A-1EB-LPB1B-1EB-LP1B-1EB-LP2B-1EB-LP2B-2EB-LP3B-1EB-LP4B-1EB-LP1C-1EB-LP2C-1EB-LP3C-1EB-LP4C-1EB-MT1C-1EB-MT3C-1EC-LP1-1ND-LP1-1111111111111111111111111111111111111114444444444444444444353535353535353535353535353535353535351908879368212912174805014310298941298921033XLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPEXLPE600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V600V注：1、有黄色标示者，线径需增大（原为100改为国标120，原为38改为国标50）。

2、其它没特别标示者，经核算按以下转换可满足系统要求（原台标为100改为国标95，台标为,38改

3. 按线路长度及允许电压降计算电缆线蕊截面公式如下： 允许电压降%＝1.732*IgρLUe*S4. 导线管槽（容许温度90°周温35°）YJV RB电缆，XLPE (本表考虑用于金属管配线，电缆及金5. 本表所含导线数不包括中性线，控制线，接地线，但单相三线式或三相四线式电路供应放电管三皆波电流，仍应计算。6.摘录自中国建设部部标 编号 JGJ/T 16-92第8.6.3.4条 过负荷保护电器的动作特性应同时满足以下二式要求：IB≤IN≤IZ I2≤1.45IZ 式中ΙB —被保护线路的计算负荷电流（A）；Ιｎ—熔断器的熔体额定电器的整定电流（A）；Ιｚ—被保护导体的允许持续载流量（A）；Ι2—保证保护电器可靠动作的电2为：当保护电器为低压断路器时，为约定时间内的约定动作电流；当保护电器为低压熔断器时，流。允许压计算电压降降＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%0.09%0.11%0.10%0.12%0.89%0.71%2.22%3.05%3.12%3.53%0.19%3.30%0.20%2.90%0.32%2.95%2.95%2.49%1.58%3.06%0.41%2.95%2.90%2.47%1.54%2.41%2.90%2.84%2.44%1.50%2.52%2.28%1.13%2.36%3.94%0.91%0.94%0.84%1.23%2.41%2.15%1.05%2.31%3.57%2.63%NFB額定63063063063022522510022522525020025020010010010010010010010030100100100100100100100100100100100100100100125125125100100100100100100100YJV电缆安培载流量240240240240240240240240240240240240240130130130130130130130130130130130130130130130130130130130130130130130130130130130130130130130130＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%＜3%5.10%2.36%2.12%0.97%2.20%3.46%3.25%1.99%2.15%1.34%3.84%2.74%2.63%2.52%0.32%2.63%2.47%0.27%0.89%1001001001001001001001001001001001001001001001001001001001301301301301301301301301301301301301301301301301301301308改为国标50）。改为国标95，台标为,38改为国标35）。（ρ铜＝0.0206Ω.mm2/m）于金属管配线，电缆及金属线槽配线。)相四线式电路供应放电管理办法灯者，因中性线有第。

ｎ—熔断器的熔体额定电流或低压断路器长延时脱扣证保护电器可靠动作的电流（A）。在实际使用中取Ι护电器为低压熔断器时，为约定时间内的约定熔断电