电气常用单位换算.docx

1、电气常用单位换算常用单位换算：1公制与英制公 制英 制1米=10分米（公寸）1英尺=12英寸1分米=10厘米（公分）1英寸=8英分1厘米=10毫米（公厘）1寸=25.4毫米（公厘）=2.54厘米（公分）1毫米=0.03937寸寸习惯称呼毫米寸习惯称呼毫米1/16半分1.5879/16四分半14.2871/8一分3.1755/8五分15.8753/16一分半4.76211/16五分半17.4621/4二分6.3503/4六分19.0505/16二分半7.93713/16六分半20.6373/8三分9.2527/8七分22.2257/16三分半11.11215/16七分半23.8121/2四分12

2、.78/81寸25.42、1马力=735.5瓦=0.376千瓦 1 千瓦=1.36马力3、几种常用重量单位换算表:名称吨公斤市斤英磅克吨1100020002204.61000000公斤0.001122.2051000市斤0.00050.511.103500英磅0.000450.45360.90721453.6克0.0000010.0010.0020.002214、长度单位换算表:名称米厘米毫米市尺英尺英寸英分米1100100033.28139.37315厘米0.011100.030.032810.39373.15毫米0.0010.110.0030.003280.03940.315市尺0.333

3、333.33333.311.093613.123105英尺0.304830.48304.80.914411296英寸0.02542.5425.40.07620.0833318英分0.003170.317463.17460.00950.010420.1251常用法定计量单位名称与符号对照表:量的名称中文符号国际符号非法定单位与法定单位换算长度（，L）宽度（b）高度（h）厚度（S ）半径（r , R）直径（d, D）米m3市尺=1米厘米cm1公分=1厘米=10-2米毫米mm1公厘=1毫米=10-3米微米m1公微=1微米=10-6米纳米nm1毫微米=1纳米=10-9米千米（公里）km1千公尺=1千米

4、1海里=1.852公里=1852米1英寸=2.54厘米1英尺=30.48厘米1码=91.44厘米1 英里=1609.344 米质量（m）千克（公斤）kg1 吨=1000kg1 市斤=0.5kg1市担=50kg兆克Mg克g毫克mg微克卩g面积（A, S）平方米mi1市亩=666.67平方米平方千米km21公亩=100平方米1公顷=10000平方米1平方市里=2.5 X 105平方米平方分米dm2平方厘米2 cm平方毫米2 mm压力、压强（P）帕斯卡 吉帕斯卡 兆帕斯卡 千帕斯卡 毫帕斯卡 微帕斯卡PaGPMPKFa mPPa1标准大气压=1.01325 X 10 Pa1毫米汞柱-133.322P

5、a1毫米水柱=9.806375P a1工程大气压=9.8065 X 10乜1 巴=105Pa1 托=133.322Pa正应力（6 ）切应力（T ）（剪应力）帕斯卡或牛（顿）每平方米2R 或 N/m千克力每平方米=9.80665Pa3吨力每平方米=9.80665 X 10 Pa力（F）牛（顿）兆牛（顿） 千牛（顿） 毫牛（顿） 微牛（顿）NMN KN mN 卩N1 达因=10-5N31 克力=9.80665 X 10- N 千克力=9.80665N 吨力=9.80665 X 10 N 磅力=4.448N力矩（M）牛（顿）米 兆牛（顿）米 千牛（顿）米 毫牛（顿）米 微牛（顿）米N mMN- mK

6、N- mmN- mN - m1达因厘米-107N m1千克力米-9.80665N m31英顿力英尺=3.037 X 10 N- m功（W热量（Q）焦（耳）兆焦（耳）千焦（耳）毫焦（耳）JMJKJ mJ可应用非国际单位与法定单位换算：1瓦（特小）时=3.6 X 103J1千瓦（特小）时=3.6 X 106J91兆瓦（特小）时=3.6 X 10J191 电子伏=1.602 X 10- J废除单位与法定单位换算： 1尔格（达因厘米）=10-7J 1马力小时=2.648 X 106J1千克力米=9.80665J1牛（吨）米=1J1升标准大气压=101.325J热力学温度（T）开（尔文）K摄氏温度（C）

7、摄氏度C华氏温度（tF）华氏度T秒S毫秒mS微秒1 S纳秒nS天（日）d时间（t ）(1d=36400S)（小）时h(1h=3600S)分min(1min=60S)瓦特W（米制）1马力-735W兆瓦特MW功率（P）千瓦特KW=0.736KW毫瓦特mW1KW-1.36 马力电场强度（E）伏（特）每米v/m1牛顿每库仑-v/m常用电工符号及其单位:名称符号单位及其代号辅助单位及其代号电流I安培（A）1安-1000毫安（mA , 1毫安-1000微安（卩A）电压V伏特（V）1 千伏-1000 伏（V）, 1 伏-1000 毫伏（mV电阻R欧姆（Q ）1 兆欧（MQ ） -1000 千欧（k Q ）,

8、 1 千欧-1000 欧（Q ）电容C法拉（F）1法拉-1000毫法（mF） , 1毫法-1000微法（卩F）电感L享利（H）1享-1000毫享（mH , 1毫享-1000微享（卩H）感抗Xl欧姆（Q ）容抗佻欧姆（Q ）有功功率P瓦特（W1 千瓦（kw） -1000 瓦（W无功功率Q乏（Var）1 千乏（kVar） -1000 乏（Var）视在功率S伏安（VA1千伏安（kVA） -1000伏安（VA电度W千瓦时（kW- h）1 kW - h -1 度电功率因数COS（注：即力率）频率?赫兹（HZ1 千赫（kHZ） -1000HZ转速n转 / 分（ r/mi n ）电场强度E伏（特）每米（v/

9、m）常用架空导地线的型号及其意义：L 铝； G 钢； J 绞； Q 轻型； J加强； F防腐；X稀土;LJ 硬铝绞线； LGJ 钢芯铝绞线； LGJQ 轻型钢芯铝绞线LGJJ 加强型钢芯铝绞线； LGJF 防腐型钢芯铝绞线；GJ 钢绞线LJ与LGJ参数x) 径 直 / 构 结 芯 线x) 量 重 考 参J GL铝铝钢J GL22221486O39357/2.506/2.801/2.895.2150.6507/3.006/3.201/3.2137.0196.8707/3.556/3.801/3.8191.7277.519519/2.5028/2.077/1.8260.0402.712019/2.

10、8028/2.307/2.0325.9497.215019/3.1528/2.537/2.2412.5601.618519/3.5028/2.887/2.5509.3778.524019/3.9828/3.227/2.8658.6974.230037/3.2028/3.8019/20827.21356.640037/3.7028/4.1719/2.21106.01635.250037/4.141384.760061/3.551676.0LGJQ与 LGJJ 参数构 结 芯 线x) 径 直/ 根x) 量 重 考 参Q J G LJJ GGL铝钢铝钢Q J G LJJ GGL501刀52刀O541

11、8685O2刃002 刀566O2442刃2 刀75951362刃205441400O 刃3177814001O 刃-5011-005-1 O8-O60382700-6012-钢芯铝绞线主要技术参数（GB11783）标称截面根数/直径计算截面外径直流电阻计算计算交货长度（不小铝/钢(mm)(mni)(mm)（不大于，拉断力质量于,m)(mni)铝钢铝钢总计Q /km)(N)(kg/km)10/26/1.501/1.5010.601.7712.374.502.706412042.9300016/36/1.851/1.8516.132.6918.825.551.779613065.2300025/

12、46/2.321/2.3225.364.2329.596.961.1319290102.6300035/66/2.721/2.7234.865.8140.678.160.823012630141.0300050/86/3.201/3.2048.258.0456.299.600.594616870195.1200050/3012/2.327/2.3250.7329.5980.3211.600.569242620372.9300070/106/3.801/3.8068.0511.3479.3911.400.421723390275.2200070/4012/2.727/2.7269.7340.67

13、110.4013.600.414158300511.3200095/1526/2.157/1.6794.3915.33109.7213.610.305835000380.8200095/207/4.167/1.8595.1418.82113.9613.870.301937200408.6200095/5512/3.207/3.2096.5156.30152.8116.000.299278110707.72000120/718/2.901/2.90118.896.61125.5024.500.242227570379.02000120/2026/2.387/1.85115.6718.82184.

14、4015.070.249641000466.82000120/257/4.727/2.10122.4821.25146.7315.740.234547880526.62000120/7012/3.607/3.60122.1571.25196.4018.000.236498370895.62000150/818/3.201/3.20444.768.84152.3016.000.198932860461.42000150/2024/2.767/1.85145.6818.82164.5016.670.198046630549.42000150/2526/2.707/2.10148.8621.2517

15、2.1117.100.193954110601.02000150/3530/2.507/2.50147.2034.36181.6217.500.196265020676.22000185/1018/3.601/3.60183.2210.18193.4018.000.157240880584.02000185/2524/3.157/2.10187.0424.25211.2918.900.154259420706.12000185/3026/2.987/2.32181.3429.59210.9318.880.159264320732.62000185/4530/2.807/2.80184.7343

16、.10227.8319.600.156480190848.22000210/1018/3.801/3.80204.1411.34215.4819.000.141145140650.72000210/2524/3.337/2.22209.0227.10236.1219.980.138065990789.12000210/3526/3.227/2.50211.7334.36246.0920.380.136374250853.92000210/5030/2.987/2.98209.2448.82253.0620.860.138190830960.82000240/3024/3.607/2.40244

17、.2931.67275.9621.600.118175620922.22000240/4026/3.427/2.66238.8538.90277.7521.660.120983370964.32000240/5530/3.207/3.20241.2756.30297.5722.400.119810210011082000300/1542/3.007/1.67296.8815.33312.2123.010.0972468060939.82000300/2045/2.937/1.95303.4220.91324.3323.430.095207568010022000300/2548/2.857/2

18、.22306.2127.10333.3123.760.094338341010582000300/4024/3.997/2.66300.0938.90338.9923.940.096149222011332000300/5026/3.837/2.98299.5448.82348.3624.260.0963610340012102000300/7030/3.607/3.6305.3671.25376.6125.200.0946312800014022000400/2042/3.517/1.95406.4020.91427.3126.910.071048885012861500400/2545/3

19、.337/2.22391.9127.10419.0126.640.073709594012951500400/3548/3.227/2.50390.8834.36425.2426.820.0738910390013491500400/5054/3.077/3.07399.7351.82451.5527.630.0723212340015111500400/6526/4.427/3.44398.9465.06464.0028.000.0723613520016111500400/9530/4.1619/2.50407.7593.27501.0229.140.0708717130018601500

20、500/3545/3.757/2.50497.0134.36531.3730.000.0581211950016421500500/4548/3.607/2.80488.5843.10531.6830.000.0591212810016881500500/6554/3.447/3.44501.8865.06566.9430.960.0576015400018971500630/4545/4.207/2.80623.4543.10666.5533.600.0463314870020601200630/5548/4.127/3.20639.9256.30696.2234.320.045141644

21、0022091200630/8054/3.8719/2.32635.1980.32715.5134.820.0455119290023881200800/5545/4.807/3.20814.3356.30870.6038.400.0354719150026901000800/7048/4.637/3.6038.580.035742785.91000800/10054/4.3319/2.6038.980.036352985.41000单分裂钢芯铝绞线导线的电阻及正序电抗（Q /km）导线型号直流电阻（Q /km）几何均距（m4.04.55.05.56.06.57.07.58.0LGJ-70/1

22、00.42170.4260.4330.4400.44670/400.41410.4150.4220.4290.435LGJ-95/200.30190.4140.4210.4280.4340.4390.44495/550.29920.4050.4120.4190.4250.4300.435LGJ-120/20.23450.4060.4130.4200.4260.4310.43650.23640.3970.4050.4110.4170.4230.428120/70LGJ-150/20.19390.4000.4080.4140.4200.4260.43150.19620.3990.4060.4130.4190.4250.430150/35LGJ-185/3n0.15920.3940.4020.4080.4140.4200.4250.4290.4340.43800.15640.3920.3990.4060.4120.4170.4220.4270.4310.435185/45LGJ-210/30.13630.3890.3970.4030.4090.4150.4200.4250.429