電氣常用單位換算

1、常用單位換算：1、公制與英制（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）寸習(xí)慣稱呼毫米寸習(xí)慣稱呼毫米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

2、.8121/2四分12.78/81寸25.4 2、1馬力=735.5瓦=0.376千瓦 1千瓦=1.36馬力 3、幾種常用重量單位換算表：名稱噸公斤市斤英磅克噸1100020002204.61000000公斤0.001122.2051000市斤0.00050.511.103500英磅0.000450.45360.90721453.6克0.0000010.0010.0020.00221 4、長度單位換算表：名稱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常用法定計(jì)量單位名稱與符號(hào)對(duì)照表：量的名稱中文符號(hào)國際符號(hào)非法定單位與法定單位換算長度（ ，L）寬度（b）高度（h）厚度（）半徑（r，R）直徑（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米納米nm1毫微米=1

4、納米=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碼=91.44厘米1英里=1609.344米質(zhì)量（m）千克（公斤）kg1噸=1000kg1市斤=0.5kg1市擔(dān)=50kg兆克Mg克g毫克mg微克g面積（A，S）平方米m21市畝=666.67平方米1公畝=100平方米1公頃=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壓力、壓強(qiáng)（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標(biāo)準(zhǔn)大氣壓=1.01325×105Pa1毫米汞柱=133.322Pa1毫米水柱=9.806375Pa1工程大氣壓=9.8065×104Pa1巴=105Pa1托=133.322Pa正應(yīng)力（）切應(yīng)力（）（剪應(yīng)力）帕斯卡或牛（頓）每平方米Pa或N/m2千克力每平方米=9.80665Pa噸力每平方米=9.80665×103Pa力（F）牛（頓）兆牛（頓）千牛（頓）毫牛（頓）微牛（頓）NMNKNmNN1達(dá)因=10-5N1克力=9.80665×10-3N千克力=9.80665N噸力=9.80665×103N磅力=4.448N力矩（M）牛（頓）米兆牛

6、（頓）米千牛（頓）米毫牛（頓）米微牛（頓）米N·mMN·mKN·mmN·mN·m1達(dá)因厘米=10-7N·m1千克力米= 9.80665N·m1英頓力英尺=3.037×103N·m功（W） 熱量（Q）焦（耳）兆焦（耳）千焦（耳）毫焦（耳）JMJKJmJ可應(yīng)用非國際單位與法定單位換算：1瓦（特?。r(shí)=3.6×103J1千瓦（特?。r(shí)=3.6×106J1兆瓦（特?。r(shí)=3.6×109J1電子伏=1.602×10-19J廢除單位與法定單位換算:1爾格（達(dá)因厘米）=

7、10-7J1馬力小時(shí)=2.648×106J1千克力米=9.80665J1牛（噸）米=1J1升標(biāo)準(zhǔn)大氣壓=101.325J熱力學(xué)溫度（T）攝氏溫度（）華氏溫度（tF）開（爾文）攝氏度華氏度K 時(shí)間（t）秒毫秒微秒納秒天（日） （小）時(shí) 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馬力=735W =0.736KW1KW=1.36馬力電場(chǎng)強(qiáng)度（E）伏（特）每米v/m1牛頓每庫侖= v/m 常用電工符號(hào)及其單位：名稱符號(hào)單位及其代號(hào)輔助單位及其

8、代號(hào)電流I安培（A）1安=1000毫安（mA），1毫安=1000微安（A）電壓V伏特（V）1千伏=1000伏（V），1伏=1000毫伏（mv）電阻R歐姆（）1兆歐（M）=1000千歐（k），1千歐=1000歐（）電容C法拉（F）1法拉=1000毫法（mF），1毫法=1000微法（F）電感L享利（H）1享=1000毫享（mH），1毫享=1000微享（H）感抗XL歐姆（） 容抗XC歐姆（） 有功功率P瓦特（W）1千瓦（kw）=1000瓦（W）無功功率Q乏（Var）1千乏（kVar）=1000乏（Var）視在功率S伏安（VA）1千伏安（kVA）=1000伏安（VA）電度W千瓦時(shí)（

9、kW·h）1 kW·h =1度電功率因數(shù)cos （注：即力率）頻率赫茲（HZ）1千赫（kHZ）=1000HZ轉(zhuǎn)速n轉(zhuǎn)/分（r/min） 電場(chǎng)強(qiáng)度E伏（特）每米（v/m） 常用架空導(dǎo)地線的型號(hào)及其意義：L鋁；    G鋼；    J絞；    Q輕型；    J加強(qiáng)；    F防腐； X稀土；LJ硬鋁絞線；    LGJ鋼芯鋁絞線；   

10、LGJQ輕型鋼芯鋁絞線LGJJ加強(qiáng)型鋼芯鋁絞線；    LGJF防腐型鋼芯鋁絞線；GJ鋼絞線LJ與LGJ參數(shù)標(biāo)稱截面(mm2)線芯結(jié)構(gòu) 根/直徑(mm)參考重量(kg/km)LJLGJ鋁鋁鋼LJLGJ2535507/2.127/2.507/3.006/2.206/2.806/3.201/2.21/2.81/3.268.495.2137.093.0150.6196.870951207/3.5519/2.5019/2.806/3.8028/2.0728/2.301/3.87/1.87/2.0191.7260.0325.9277.51402.7497.215018524

11、019/3.1519/3.5019/3.9828/2.5328/2.8828/3.227/2.27/2.57/2.8412.5509.3658.6601.6778.5974.230040050060037/3.2037/3.7037/4.1461/3.5528/3.8028/4.1719/2019/2.2827.21106.01384.71676.01356.61635.2LGJQ與LGJJ參數(shù)標(biāo)稱截面(mm2)線芯結(jié)構(gòu) 根/直徑(mm)參考重量(kg/km)LGJQLGJJ鋁鋼鋁鋼LGJQLGJ2.7624/3.0624/3.677/1.87/2.07/2.430/

12、2.5030/2.8030/3.207/2.57/2.87/3.25406659576818541115300400400154/2.6554/3.0624/4.607/2.67/3.07/3.030/3.6730/4.1719/2.219/2.51120149315011454187750060070054/3.3654/3.7054/4.0419/2.019/2.219/2.4180121832601鋼芯鋁絞線主要技術(shù)參數(shù)（GB117983）標(biāo)稱截面鋁/鋼(mm2)根數(shù)/直徑(mm)計(jì)算截面(mm2)外徑(mm)直流電阻(不大于,/km)計(jì)算拉斷力（N）計(jì)算質(zhì)量(kg/km)交貨長度(不小

13、于,m)鋁鋼鋁鋼總計(jì)10/216/325/435/66/1.506/1.856/2.326/2.721/1.501/1.851/2.321/2.7210.6016.1325.3634.861.772.694.235.8112.3718.8229.5940.674.505.556.968.162.7061.7791.1310.82304120613092901263042.965.2102.6141.0300030003000300050/850/306/3.2012/2.321/3.207/2.3248.2550.738.0429.5956.2980.329.6011.600.59460.56

14、921687042620195.1372.92000300070/1070/406/3.8012/2.721/3.807/2.7268.0569.7311.3440.6779.39110.4011.4013.600.42170.41412339058300275.2511.32000200095/1595/2095/5526/2.157/4.1612/3.207/1.677/1.857/3.2094.3995.1496.5115.3318.8256.30109.72113.96152.8113.6113.8716.000.30580.30190.2992350003720078110380.8

15、408.6707.7200020002000120/7120/20120/25120/7018/2.9026/2.387/4.7212/3.601/2.907/1.857/2.107/3.60118.89115.67122.48122.156.6118.8221.2571.25125.50184.40146.73196.4024.5015.0715.7418.000.24220.24960.23450.236427570410004788098370379.0466.8526.6895.62000200020002000150/8150/20150/25150/3518/3.2024/2.76

16、26/2.7030/2.501/3.207/1.857/2.107/2.50444.76145.68148.86147.208.8418.8221.2534.36152.30164.50172.11181.6216.0016.6717.1017.500.19890.19800.19390.196232860466305411065020461.4549.4601.0676.22000200020002000185/10185/25185/30185/4518/3.6024/3.1526/2.9830/2.801/3.607/2.107/2.327/2.80183.22187.04181.341

17、84.7310.1824.2529.5943.10193.40211.29210.93227.8318.0018.9018.8819.600.15720.15420.15920.156440880594206432080190584.0706.1732.6848.22000200020002000210/10210/25210/35210/5018/3.8024/3.3326/3.2230/2.981/3.807/2.227/2.507/2.98204.14209.02211.73209.2411.3427.1034.3648.82215.48236.12246.09253.0619.0019

18、.9820.3820.860.14110.13800.13630.138145140659907425090830650.7789.1853.9960.82000200020002000240/30240/40240/5524/3.6026/3.4230/3.207/2.407/2.667/3.20244.29238.85241.2731.6738.9056.30275.96277.75297.5721.6021.6622.400.11810.12090.11987562083370102100922.2964.31108200020002000300/15300/20300/25300/40

19、42/3.0045/2.9348/2.8524/3.997/1.677/1.957/2.227/2.66296.88303.42306.21300.0915.3320.9127.1038.90312.21324.33333.31338.9923.0123.4323.7623.940.097240.095200.094330.0961468060756808341092220939.81002105811332000200020002000300/50300/7026/3.8330/3.607/2.987/3.6299.54305.3648.8271.25348.36376.6124.2625.

20、200.096360.094631034001280001210140220002000400/20400/25400/35400/50400/65400/9542/3.5145/3.3348/3.2254/3.0726/4.4230/4.167/1.957/2.227/2.507/3.077/3.4419/2.50406.40391.91390.88399.73398.94407.7520.9127.1034.3651.8265.0693.27427.31419.01425.24451.55464.00501.0226.9126.6426.8227.6328.0029.140.071040.

21、073700.073890.072320.072360.070878885095940103900123400135200171300128612951349151116111860150015001500150015001500500/35500/45500/6545/3.7548/3.6054/3.447/2.507/2.807/3.44497.01488.58501.8834.3643.1065.06531.37531.68566.9430.0030.0030.960.058120.059120.0576011950012810015400016421688189715001500150

22、0630/45630/55630/8045/4.2048/4.1254/3.877/2.807/3.2019/2.32623.45639.92635.1943.1056.3080.32666.55696.22715.5133.6034.3234.820.046330.045140.04551148700164400192900206022092388120012001200800/55800/70800/10045/4.8048/4.6354/4.337/3.207/3.6019/2.60814.3356.30870.6038.4038.5838.980.035470.035740.03635

23、19150026902785.92985.4100010001000單分裂鋼芯鋁絞線導(dǎo)線的電阻及正序電抗（/km）導(dǎo)線型號(hào)直流電阻（/km）幾 何 均 距（m）4.04.55.05.56.06.57.07.58.0LGJ-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  

24、; LGJ-120/25120/700.23450.23640.4060.3970.4130.4050.4200.4110.4260.4170.4310.4230.4360.428   LGJ-150/25150/350.19390.19620.4000.3990.4080.4060.4140.4130.4200.4190.4260.4250.4310.430   LGJ-185/30185/450.15920.15640.3940.3920.4020.3990.4080.4060.4140.4120.4200.4170.4

25、250.4220.4290.4270.4340.4310.4380.435LGJ-210/35210/500.13630.13810.3890.3880.3970.3950.4030.4020.4090.4080.4150.4130.4200.4180.4250.4230.4290.4280.4330.432LGJ-240/40240/550.12090.11980.3860.3830.3930.3900.4000.3970.4060.4030.4110.4090.4160.4140.4210.4190.4250.4230.4290.427LGJ-300/40300/50300/700.096

26、140.096360.09463   0.3990.3980.3960.4050.4040.4020.4100.4090.4070.4140.4140.4110.4190.4180.4160.4230.4220.420LGJ-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.

27、05760   0.3850.3830.3910.3890.3960.3940.4000.3980.4050.4030.4090.407LGJ-630/55630/800.045140.04551   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

28、雙分裂鋼芯鋁絞線導(dǎo)線的電阻及正序電抗（/km）導(dǎo)線型號(hào)直流電阻(/km)幾何均距（m）7.58.08.59.09.510.010.52×LGJ-300/40300/50300/700.048070.048180.047320.2980.2980.2960.3020.3050.3000.3060.3050.3040.3090.3090.3080.3130.3120.3110.3160.3160.3150.3190.3190.3182×LGJ-400/50400/65400/950.036160.036180.035440.2940.2930.2920.2980.2970.29

29、60.3010.3010.3000.3050.3050.3030.3080.3080.3070.3110.3110.3100.3150.3140.3132×LGJ-500/45 500/650.029560.028800.2910.2900.2950.2940.2990.2980.3020.3010.3060.3050.3090.3080.3120.3112×LGJ-630/55 630/800.022570.022760.2870.2860.2910.2900.2950.2940.2980.2980.3020.3010.3050.3040.3080.3072×L

30、GJ-800/70 800/1000.017870.018180.2830.2830.2870.2870.2910.2910.2940.2940.2980.2980.3010.3010.3040.304四分裂鋼芯鋁絞線導(dǎo)線的電阻及正序電抗（/km）導(dǎo)線型號(hào)直流電阻（/km）幾 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

31、.2670.2660.2690.2690.2680.2710.2710.2710.2740.2730.2730.2760.2760.2754×LGJ-400/50400/65400/950.018080.018090.017720.2540.2540.2530.2570.2570.2560.2590.2590.2590.2620.2620.2610.2650.2640.2640.2670.2670.2660.2690.2690.2680.2710.2710.2710.2740.2730.2734×LGJ-500/45 500/650.014780.014400.2530.2

32、520.2550.2550.2580.2580.2610.2600.2630.2630.2660.2650.2680.2670.2700.2700.2720.2724×LGJ-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

33、.2620.2620.2640.2640.2660.2660.2680.268鋼絞線應(yīng)用數(shù)據(jù)：型號(hào)計(jì)算截面積(mm2)股數(shù)/線徑(mm)計(jì)算直徑(mm)極限強(qiáng)度(N/mm2)拉斷力不少于(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

34、-120117.019/2.814.010781470111.72147950鋼芯鋁絞線連續(xù)容許輸送容量電壓等級(jí)110kV220kV500kV 經(jīng)濟(jì)輸送容量(MVA,A)經(jīng)濟(jì)輸送容量(MVA,A)經(jīng)濟(jì)輸送容量(MVA,A)最大負(fù)荷利用小時(shí)數(shù)最大負(fù)荷利用小時(shí)數(shù)最大負(fù)荷利用小時(shí)數(shù)導(dǎo)線截面(mm2)3000-500050003000-500050003000-50005000電流容量電流容量電流容量電流容量電流容量電流容量185212.540166.432        24027653216412761052

35、1682    3003456627051345131270103    4004608836069460175360137    2�.8127    2×24055210543282552210432165    2×300    690263540206  

36、;  2×400    920351720274    2×500    1150438900343    2×600    13805261080412    2×630    14495521134432    2&

37、#215;700    16106131260480    4×300        1380119510809354×400        18401593144012474×500        23001992180015594×60

38、0        2760239021601871裸導(dǎo)線的安全載流量（持續(xù)容許負(fù)荷，A）類別導(dǎo)線型號(hào)氣 溫0510152025303540鋼芯鋁絞線LGJ-95416402385369352335315295271LGJ-120471456437418399380357334308LGJ-150551534512490467445418392360LGJ-185639618592567541515484453417LGJ-240756732702671641610573537494LGJ-3008808528177

39、81746710667625575LGJ-40010481014972930887845794744684LGJ-48011471110106410189719258708147492XLGJ-1851277123611851133108210309689068342XLGJ-240151314641403134212811220114710749882XLGJ-3001760170416331562149114201335125011502XLGJ-4002096202819441859177516901589148713692XLGJ-500239623182222212520291932

40、1816170015652XLGJ-6002703261625072398228921802049191817662XLGJ-6302802271225992486237322602124198918312XLGJ-7003100300028752750262525002350220020254XLGJ-3003522340832663124298228402670249920504XLGJ-4004191405638873718354933803177297427384XLGJ-5004791463744444250405738643632340031304XLGJ-600540652325014479645784360409838373532銅絞線TJ-35273264253242231220207194178TJ-60391378367350330315296277255TJ-70422408391377357340320299275TJ-95515498478461435415390365336TJ-120602582558538510485456427393鋼絞線GJ-501121081031009590857973GJ-70155150144139131125117110101GJ-100174168161155147140