厂用网损系数是什么呀!厂用8%网损7%

复利现值系数
复利现值系数
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通过此页你可以了解复利现值系数的意思、复利现值系数的具体内容及复利现值系数的相关案例与参考文献。
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  是的对称概念,指未来一定时间的特定资金按复利计算的现在,或者说是为取得将来一定本利和现在所需要的。
  复利现值的计算公式如下:
  上式中的(1 + i) & n是把终值折算为现值的系数,称复利现值系数,或称1元的复利现值,用符号(P / S,i,n)夹表示。例如,(P/S,10%,5)表示为10%时5期的复利现值系数。
  为了便于计算,可编制“复利现值系数表”(下表)进行查询。该表的使用方法与“复利终值系数表”相同。
  例:某人拟在5年后获得本利和10000元,假设报酬率为10%,他现在应投入多少元?
期数1%2%3%4%5%6%7%8%9%10%11%12%13%14%15%16%17%18%19%20%21%22%23%24%25%26%27%28%29%30%
10.99010.98040.97090.96150.95240.94340.93460.92590.91740.90910.90090.89290.88500.87720.86960.86210.85470.84750.84030.83330.82640.81970.81300.80650.80000.79370.78740.78130.77520.7692
20.98030.96120.94260.92460.90700.89000.87340.85730.84170.82640.81160.79720.78310.76950.75610.74320.73050.71820.70620.69440.68300.67190.66100.65040.64000.62990.62000.61040.60090.5917
30.97060.94230.91510.88900.86380.83960.81630.79380.77220.75130.73120.71180.69310.67500.65750.64070.62440.60860.59340.57870.56450.55070.53740.52450.51200.49990.48820.47680.46580.4552
40.96100.92380.88850.85480.82270.79210.76290.73500.70840.68300.65870.63550.61330.59210.57180.55230.53370.51580.49870.48230.46650.45140.43690.42300.40960.39680.38440.37250.36110.3501
50.95150.90570.86260.82190.78350.74730.71300.68060.64990.62090.59350.56740.54280.51940.49720.47610.45610.43710.41900.40190.38550.37000.35520.34110.32770.31490.30270.29100.27990.2693
60.94200.88800.83750.79030.74620.70500.66630.63020.59630.56450.53460.50660.48030.45560.43230.41040.38980.37040.35210.33490.31860.30330.28880.27510.26210.24990.23830.22740.21700.2072
70.93270.87060.81310.75990.71070.66510.62270.58350.54700.51320.48170.45230.42510.39960.37590.35380.33320.31390.29590.27910.26330.24860.23480.22180.20970.19830.18770.17760.16820.1594
80.92350.85350.78940.73070.67680.62740.58200.54030.50190.46650.43390.40390.37620.35060.32690.30500.28480.26600.24870.23260.21760.20380.19090.17890.16780.15740.14780.13880.13040.1226
90.91430.83680.76640.70260.64460.59190.54390.50020.46040.42410.39090.36060.33290.30750.28430.26300.24340.22550.20900.19380.17990.16700.15520.14430.13420.12490.11640.10840.10110.0943
100.90530.82030.74410.67560.61390.55840.50830.46320.42240.38550.35220.32200.29460.26970.24720.22670.20800.19110.17560.16150.14860.13690.12620.11640.10740.09920.09160.08470.07840.0725
110.89630.80430.72240.64960.58470.52680.47510.42890.38750.35050.31730.28750.26070.23660.21490.19540.17780.16190.14760.13460.12280.11220.10260.09380.08590.07870.07210.06620.06070.0558
120.88740.78850.70140.62460.55680.49700.44400.39710.35550.31860.28580.25670.23070.20760.18690.16850.15200.13720.12400.11220.10150.09200.08340.07570.06870.06250.05680.05170.04710.0429
130.87870.77300.68100.60060.53030.46880.41500.36770.32620.28970.25750.22920.20420.18210.16250.14520.12990.11630.10420.09350.08390.07540.06780.06100.05500.04960.04470.04040.03650.0330
140.87000.75790.66110.57750.50510.44230.38780.34050.29920.26330.23200.20460.18070.15970.14130.12520.11100.09850.08760.07790.06930.06180.05510.04920.04400.03930.03520.03160.02830.0254
150.86130.74300.64190.55530.48100.41730.36240.31520.27450.23940.20900.18270.15990.14010.12290.10790.09490.08350.07360.06490.05730.05070.04480.03970.03520.03120.02770.02470.02190.0195
160.85280.72840.62320.53390.45810.39360.33870.29190.25190.21760.18830.16310.14150.12290.10690.09300.08110.07080.06180.05410.04740.04150.03640.03200.02810.02480.02180.01930.01700.0150
170.84440.71420.60500.51340.43630.37140.31660.27030.23110.19780.16960.14560.12520.10780.09290.08020.06930.06000.05200.04510.03910.03400.02960.02580.02250.01970.01720.01500.01320.0116
180.83600.70020.58740.49360.41550.35030.29590.25020.21200.17990.15280.13000.11080.09460.08080.06910.05920.05080.04370.03760.03230.02790.02410.02080.01800.01560.01350.01180.01020.0089
190.82770.68640.57030.47460.39570.33050.27650.23170.19450.16350.13770.11610.09810.08290.07030.05960.05060.04310.03670.03130.02670.02290.01960.01680.01440.01240.01070.00920.00790.0068
200.81950.67300.55370.45640.37690.31180.25840.21450.17840.14860.12400.10370.08680.07280.06110.05140.04330.03650.03080.02610.02210.01870.01590.01350.01150.00980.00840.00720.00610.0053
210.81140.65980.53750.43880.35890.29420.24150.19870.16370.13510.11170.09260.07680.06380.05310.04430.03700.03090.02590.02170.01830.01540.01290.01090.00920.00780.00660.00560.00480.0040
220.80340.64680.52190.42200.34180.27750.22570.18390.15020.12280.10070.08260.06800.05600.04620.03820.03160.02620.02180.01810.01510.01260.01050.00880.00740.00620.00520.00440.00370.0031
230.79540.63420.50670.40570.32560.26180.21090.17030.13780.11170.09070.07380.06010.04910.04020.03290.02700.02220.01830.01510.01250.01030.00860.00710.00590.00490.00410.00340.00290.0024
240.78760.62170.49190.39010.31010.24700.19710.15770.12640.10150.08170.06590.05320.04310.03490.02840.02310.01880.01540.01260.01030.00850.00700.00570.00470.00390.00320.00270.00220.0018
250.77980.60950.47760.37510.29530.23300.18420.14600.11600.09230.07360.05880.04710.03780.03040.02450.01970.01600.01290.01050.00850.00690.00570.00460.00380.00310.00250.00210.00170.0014
260.77200.59760.46370.36070.28120.21980.17220.13520.10640.08390.06630.05250.04170.03310.02640.02110.01690.01350.01090.00870.00700.00570.00460.00370.00300.00250.00200.00160.00130.0011
270.76440.58590.45020.34680.26780.20740.16090.12520.09760.07630.05970.04690.03690.02910.02300.01820.01440.01150.00910.00730.00580.00470.00370.00300.00240.00190.00160.00130.00100.0008
280.75680.57440.43710.33350.25510.19560.15040.11590.08950.06930.05380.04190.03260.02550.02000.01570.01230.00970.00770.00610.00480.00380.00300.00240.00190.00150.00120.00100.00080.0006
290.74930.56310.42430.32070.24290.18460.14060.10730.08220.06300.04850.03740.02890.02240.01740.01350.01050.00820.00640.00510.00400.00310.00250.00200.00150.00120.00100.00080.00060.0005
300.74190.55210.41200.30830.23140.17410.13140.09940.07540.05730.04370.03340.02560.01960.01510.01160.00900.00700.00540.00420.00330.00260.00200.00160.00120.00100.00080.00060.00050.0004
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课程设计说明书
电力网络设计
电子与通信工程系
电气工程及其自动化
电力系统分析课程设计任务书??饶瑜
电力系统分析分析课程设计任务书
系部:电子与通信工程系 专业:电气工程及其自动化
指导老师:饶瑜
课程名称:电力网络设计
设计主要内容及要求
校验电力系统功率平衡和确定发电厂的运行方式
通过方案比较,确定电力系统的接线图
选定发电厂和变电所的接线图以及变压器型号及容量
计算电力网的功率分布和电压,确定调压方式并选择调压设备
计算电力网的主要经济指标
设计工作量
准备原始数据,确定发电厂的运行方式
复习电力系统的接线图相关知识,比较接线方案
选定发电厂和变电所的接线图
计算电力网络的功率分布和电压以及主要经济指标
第一天:课题介绍,收集相关材料,分析原始数据
第二天:复习电力系统的接线图,调压方式等相关知识
第三天:确定电力网络的接线图以及调压方式和变压器容量型号
第四天:计算电力网络的功率分布和电压以及主要经济指标
第五天:编写设计说明书
长沙学院课程设计鉴定表
姓名学号专业班级
指导教师意见:
评定成绩: 教师签名:日期:
答辩小组意见:
答辩小组长签名:
教研室意见:
最终评定等级:
教研室主任签名:
课程设计成绩分“优秀”、“良好”、“中等”、“及格”、“不及格”五等。
原始资料 5
一、负荷合理性校验,功率平衡校验及确定运行方式 5
1.1负荷合理性校验 6
1.2功率平衡校验 7
1.3计算电力网的主要经济指标 7
1.3.1网损计算 7
1.3.2输电成本计算 9
二、确定网
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