电气常用单位换算(共16页)

1、精选优质文档-倾情为你奉上常用单位换算：1、公制与英制（一）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 （二）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.

2、11215/16七分半23.8121/2四分12.78/81寸25.4 2、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1100020002204.6公斤0.001122.2051000市斤0.00050.511.103500英磅0.000450.45360.90721453.6克0.0.0010.0020.00221 4、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.

3、0030.003280.03940.315市尺0.333333.33333.311.093613.123105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（）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

4、纳米=10-9米千米（公里）km1千公尺=1千米  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g面积（A，S）平方米m21市亩=666.67平方米1公亩=100平方米1公顷=10000平方米1平方市里=2.5×105平方米平方千米km2平方分米dm2平方厘米cm2平方毫米mm2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PaGPaMPaKPam

5、PaPa1标准大气压=1.01325×105Pa1毫米汞柱=133.322Pa1毫米水柱=9.Pa1工程大气压=9.8065×104Pa1巴=105Pa1托=133.322Pa正应力（）切应力（）（剪应力）帕斯卡或牛（顿）每平方米Pa或N/m2千克力每平方米=9.80665Pa吨力每平方米=9.80665×103Pa力（F）牛（顿）兆牛（顿）千牛（顿）毫牛（顿）微牛（顿）NMNKNmNN1达因=10-5N1克力=9.80665×10-3N千克力=9.80665N吨力=9.80665×103N磅力=4.448N力矩（M）牛（顿）米兆牛（顿）米千牛

6、（顿）米毫牛（顿）米微牛（顿）米N·mMN·mKN·mmN·mN·m1达因厘米=10-7N·m1千克力米= 9.80665N·m1英顿力英尺=3.037×103N·m功（W） 热量（Q）焦（耳）兆焦（耳）千焦（耳）毫焦（耳）JMJKJmJ可应用非国际单位与法定单位换算：1瓦（特小）时=3.6×103J1千瓦（特小）时=3.6×106J1兆瓦（特小）时=3.6×109J1电子伏=1.602×10-19J废除单位与法定单位换算:1尔格（达因厘米）=10-7J1

7、马力小时=2.648×106J1千克力米=9.80665J1牛（吨）米=1J1升标准大气压=101.325J热力学温度（T）摄氏温度（）华氏温度（tF）开（尔文）摄氏度华氏度K 时间（t）秒毫秒微秒纳秒天（日） （小）时 分SmSSnSd（1d=36400S）h（1h=3600S）min（1min=60S） 功率（P）瓦特兆瓦特千瓦特毫瓦特WMWKWmW（米制）1马力=735W =0.736KW1KW=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

8、培（A）1安=1000毫安（mA），1毫安=1000微安（A）电压V伏特（V）1千伏=1000伏（V），1伏=1000毫伏（mv）电阻R欧姆（）1兆欧（M）=1000千欧（k），1千欧=1000欧（）电容C法拉（F）1法拉=1000毫法（mF），1毫法=1000微法（F）电感L享利（H）1享=1000毫享（mH），1毫享=1000微享（H）感抗XL欧姆（） 容抗XC欧姆（） 有功功率P瓦特（W）1千瓦（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（VA）1千伏安（kVA）=1000伏安（VA）电度W千瓦时（kW

9、3;h）1 kW·h =1度电功率因数cos （注：即力率）频率赫兹（HZ）1千赫（kHZ）=1000HZ转速n转/分（r/min） 电场强度E伏（特）每米（v/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

10、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参数标称截面(mm2)线芯结构 根/直径(mm)参考重量(kg/km)LJLGJ铝铝钢LJLGJ2535507/2.127/2.507/3.006/2.206/2.806/3.201/2.21/2.81/3.268.495.2137.093.0150.6196.870951207/3.5519/2.5019/2.806/3.8028/2.0728/2.301/3.87/1.87/2.0191.7260.0325.9277.51402.7497.215018524019/3.

11、1519/3.5019/3.9828/2.5328/2.8828/3.227/2.27/2.57/2.8412.5509.3658.6601.6778.5974.230040050060037/3.2037/3.7037/4.1461/3.5528/3.8028/4.1719/2019/2.2827.21106.01384.71676.01356.61635.2LGJQ与LGJJ参数标称截面(mm2)线芯结构 根/直径(mm)参考重量(kg/km)LGJQLGJJ铝钢铝钢LGJQLGJ2.7624/3.0624/3.677/1.87/2.07/2.430/2.5030

12、/2.8030/3.207/2.57/2.87/3.25406659576818541115300400400154/2.6554/3.0624/4.607/2.67/3.07/3.030/3.6730/4.1719/2.219/2.51120149315011454187750060070054/3.3654/3.7054/4.0419/2.019/2.219/2.4180121832601钢芯铝绞线主要技术参数（GB117983）标称截面铝/钢(mm2)根数/直径(mm)计算截面(mm2)外径(mm)直流电阻(不大于,/km)计算拉断力（N）计算质量(kg/km)交货长度(不小于,m)铝钢

13、铝钢总计10/216/325/435/66/1.506/1.856/2.326/2.721/1.501/1.851/2.321/2.7210.6016.1325.3634.861.772.694.235.8112.3718.8229.5940.674.505.556.968.162.7061.7791.1310.82304120613092901263042.965.2102.6141.0300030003000300050/850/306/3.2012/2.321/3.207/2.3248.2550.738.0429.5956.2980.329.6011.600.59460.56921687

14、042620195.1372.92000300070/1070/406/3.8012/2.721/3.807/2.7268.0569.7311.3440.6779.39110.4011.4013.600.42170.41412339058300275.2511.32000200095/1595/2095/5526/2.157/4.1612/3.207/1.677/1.857/3.2094.3995.1496.5115.3318.8256.30109.72113.96152.8113.6113.8716.000.30580.30190.2992350003720078110380.8408.67

15、07.7200020002000120/7120/20120/25120/7018/2.9026/2.387/4.7212/3.601/2.907/1.857/2.107/3.60118.89115.67122.48122.156.6118.8221.2571.25125.50184.40146.73196.4024.5015.0715.7418.000.24220.24960.23450.236427570410004788098370379.0466.8526.6895.62000200020002000150/8150/20150/25150/3518/3.2024/2.7626/2.7

16、030/2.501/3.207/1.857/2.107/2.50444.76145.68148.86147.208.8418.8221.2534.36152.30164.50172.11181.6216.0016.6717.1017.500.19890.19800.19390.196232860466305411065020461.4549.4601.0676.22000200020002000185/10185/25185/30185/4518/3.6024/3.1526/2.9830/2.801/3.607/2.107/2.327/2.80183.22187.04181.34184.731

17、0.1824.2529.5943.10193.40211.29210.93227.8318.0018.9018.8819.600.15720.15420.15920.156440880594206432080190584.0706.1732.6848.22000200020002000210/10210/25210/35210/5018/3.8024/3.3326/3.2230/2.981/3.807/2.227/2.507/2.98204.14209.02211.73209.2411.3427.1034.3648.82215.48236.12246.09253.0619.0019.9820.

18、3820.860.14110.13800.13630.138145140659907425090830650.7789.1853.9960.82000200020002000240/30240/40240/5524/3.6026/3.4230/3.207/2.407/2.667/3.20244.29238.85241.2731.6738.9056.30275.96277.75297.5721.6021.6622.400.11810.12090.11987562083370922.2964.31108200020002000300/15300/20300/25300/4042/3.0045/2.

19、9348/2.8524/3.997/1.677/1.957/2.227/2.66296.88303.42306.21300.0915.3320.9127.1038.90312.21324.33333.31338.9923.0123.4323.7623.940.097240.095200.094330.0961468060756808341092220939.81002105811332000200020002000300/50300/7026/3.8330/3.607/2.987/3.6299.54305.3648.8271.25348.36376.6124.2625.200.096360.0

20、94631210140220002000400/20400/25400/35400/50400/65400/9542/3.5145/3.3348/3.2254/3.0726/4.4230/4.167/1.957/2.227/2.507/3.077/3.4419/2.50406.40391.91390.88399.73398.94407.7520.9127.1034.3651.8265.0693.27427.31419.01425.24451.55464.00501.0226.9126.6426.8227.6328.0029.140.071040.073700.073890.072320.072

21、360.070878885095940128612951349151116111860150015001500150015001500500/35500/45500/6545/3.7548/3.6054/3.447/2.507/2.807/3.44497.01488.58501.8834.3643.1065.06531.37531.68566.9430.0030.0030.960.058120.059120.05760164216881897150015001500630/45630/55630/8045/4.2048/4.1254/3.877/2.807/3.2019/2.32623.456

22、39.92635.1943.1056.3080.32666.55696.22715.5133.6034.3234.820.046330.045140.04551206022092388120012001200800/55800/70800/10045/4.8048/4.6354/4.337/3.207/3.6019/2.60814.3356.30870.6038.4038.5838.980.035470.035740.0363526902785.92985.4100010001000单分裂钢芯铝绞线导线的电阻及正序电抗（/km）导线型号直流电阻（/km）几 何 均 距（m）4.04.55.05

23、.56.06.57.07.58.0LGJ-70/1070/400.42170.41410.4260.4150.4330.4220.4400.4290.4460.435     LGJ-95/2095/550.30190.29920.4140.4050.4210.4120.4280.4190.4340.4250.4390.4300.4440.435   LGJ-120/25120/700.23450.23640.4060.3970.4130.4050.4200.4110.4260.4170.4310.4230.436

24、0.428   LGJ-150/25150/350.19390.19620.4000.3990.4080.4060.4140.4130.4200.4190.4260.4250.4310.430   LGJ-185/30185/450.15920.15640.3940.3920.4020.3990.4080.4060.4140.4120.4200.4170.4250.4220.4290.4270.4340.4310.4380.435LGJ-210/35210/500.13630.13810.3890.3880.3970.3950.403

25、0.4020.4090.4080.4150.4130.4200.4180.4250.4230.4290.4280.4330.432LGJ-240/40240/550.12090.11980.3860.3830.3930.3900.4000.3970.4060.4030.4110.4090.4160.4140.4210.4190.4250.4230.4290.427LGJ-300/40300/50300/700.096140.096360.09463   0.3990.3980.3960.4050.4040.4020.4100.4090.4070.4140.4140

26、.4110.4190.4180.4160.4230.4220.420LGJ-400/50400/65400/950.072320.072360.07087   0.3900.3890.3870.3960.3950.3920.4010.4000.3970.4050.4050.4020.4100.4090.4060.4140.4130.411LGJ-500/45500/650.059120.05760   0.3850.3830.3910.3890.3960.3940.4000.3980.4050.4030.4090.407LGJ-630

27、/55630/800.045140.04551   0.3770.3760.3820.3810.3870.3860.3920.3910.3960.3950.4000.399LGJ-800/70800/1000.035740.03635   0.3690.3690.3750.3740.3800.3790.3840.3840.3890.3880.3930.392双分裂钢芯铝绞线导线的电阻及正序电抗（/km）导线型号直流电阻(/km)几何均距（m）7.58.08.59.09.510.010.52×LGJ-300/40300/503

28、00/700.048070.048180.047320.2980.2980.2960.3020.3050.3000.3060.3050.3040.3090.3090.3080.3130.3120.3110.3160.3160.3150.3190.3190.3182×LGJ-400/50400/65400/950.036160.036180.035440.2940.2930.2920.2980.2970.2960.3010.3010.3000.3050.3050.3030.3080.3080.3070.3110.3110.3100.3150.3140.3132×LGJ-500

29、/45 500/650.029560.028800.2910.2900.2950.2940.2990.2980.3020.3010.3060.3050.3090.3080.3120.3112×LGJ-630/55 630/800.022570.022760.2870.2860.2910.2900.2950.2940.2980.2980.3020.3010.3050.3040.3080.3072×LGJ-800/70 800/1000.017870.018180.2830.2830.2870.2870.2910.2910.2940.2940.2980.2980.3010.30

30、10.3040.304四分裂钢芯铝绞线导线的电阻及正序电抗（/km）导线型号直流电阻（/km）几 何 均 距（m）11.011.512.012.513.013.514.014.515.04×LGJ-300/40300/50 300/700.024040.024090.023660.2560.2560.2550.2590.2590.2580.2620.2620.2610.2640.2640.2630.2670.2670.2660.2690.2690.2680.2710.2710.2710.2740.2730.2730.2760.2760.2754×LGJ-400/50400/

31、65400/950.018080.018090.017720.2540.2540.2530.2570.2570.2560.2590.2590.2590.2620.2620.2610.2650.2640.2640.2670.2670.2660.2690.2690.2680.2710.2710.2710.2740.2730.2734×LGJ-500/45 500/650.014780.014400.2530.2520.2550.2550.2580.2580.2610.2600.2630.2630.2660.2650.2680.2670.2700.2700.2720.2724×L

32、GJ-630/55 630/800.011290.011380.2510.2500.2530.2530.2560.2560.2590.2580.2610.2610.2630.2630.2660.2660.2680.2680.2700.2704×LGJ-800/70 800/1000.008940.009090.2490.2490.2520.2510.2540.2540.2570.2570.2590.2590.2620.2620.2640.2640.2660.2660.2680.268钢绞线应用数据：型号计算截面积(mm2)股数/线径(mm)计算直径(mm)极限强度(N/mm2)拉断力

33、不少于(kN)重量(kg/km)GJ-2526.67/2.26.61176137228.4233.52210GJ-3537.27/2.67.81176137240.1847.04300GJ-5049.57/3.09.01176137253.562.72400GJ-7072.219/2.211.01078147069.5895.06580GJ-100101.019/2.613.01078147098132.3800GJ-120117.019/2.814.010781470111.72147950钢芯铝绞线连续容许输送容量电压等级110kV220kV500kV 经济输送容量(MVA,A)

34、经济输送容量(MVA,A)经济输送容量(MVA,A)最大负荷利用小时数最大负荷利用小时数最大负荷利用小时数导线截面(mm2)3000-500050003000-500050003000-50005000电流容量电流容量电流容量电流容量电流容量电流容量185212.540166.432        240276532164127610521682    3003456627051345131270103    4004608836069

35、460175360137    2�.8127    2×24055210543282552210432165    2×300    690263540206    2×400    920351720274    2×

36、500    1150438900343    2×600    13805261080412    2×630    14495521134432    2×700    16106131260480    4×300 

37、0;      1380119510809354×400        18401593144012474×500        23001992180015594×600        2760239021601871裸导线的安全载流量（持续容许负荷，A）类别导线型号

38、气 温0510152025303540钢芯铝绞线LGJ-95416402385369352335315295271LGJ-120471456437418399380357334308LGJ-150551534512490467445418392360LGJ-185639618592567541515484453417LGJ-240756732702671641610573537494LGJ-300880852817781746710667625575LGJ-40010481014972930887845794744684LGJ-480114711101064101897192587081474

39、92XLGJ-1851277123611851133108210309689068342XLGJ-240151314641403134212811220114710749882XLGJ-3001760170416331562149114201335125011502XLGJ-4002096202819441859177516901589148713692XLGJ-5002396231822222125202919321816170015652XLGJ-6002703261625072398228921802049191817662XLGJ-630280227122599248623732260

40、2124198918312XLGJ-7003100300028752750262525002350220020254XLGJ-3003522340832663124298228402670249920504XLGJ-4004191405638873718354933803177297427384XLGJ-5004791463744444250405738643632340031304XLGJ-600540652325014479645784360409838373532铜绞线TJ-35273264253242231220207194178TJ-60391378367350330315296277255TJ-70422408391377357340320299275TJ-95515498478461435415390365336TJ-120602582558538510485456427393钢绞线GJ-501121081031009590857973GJ-70155150144139131125117110101GJ-100174168161155147140132123113导线载流量的校正