電力計算數(shù)據(jù)查詢表目錄1 22 23 34 35 46 5716KV6210KV 73380V 84660V 95660V 106 118K de 1191410 15111 1612 1713 202一、電纜換算系數(shù)（ Kct）表額定電壓等級（V ）380、660、1140127電纜截面（ mm 2）45101625355070952.54610換算系數(shù)(Kct)11.978.114.753.011.911.3710.730.531.6410.580.34注：通常標(biāo)準(zhǔn)截面是指 380、 660、 1140V系統(tǒng)為 50mm2,127系統(tǒng)為 4mm2。二、系統(tǒng)電抗換算長度（）m系統(tǒng)容量（ MV A ）2530405010040014.111.78.87.03.51額定電壓（ V ）66041.834.926.120.910.461140125.6105.479.163.331.633三、電纜電導(dǎo)率（ m/?mm2）L電纜種類電導(dǎo)率 r(R=r ?A)206580銅芯軟電纜5342.5銅芯鎧裝電纜48.644.3鋁芯鎧裝電纜3228.8銅的電阻率為2 ?m/mm0.017四、礦用橡套電纜的單位長度電阻與電抗阻抗 Z0(/km)截面（ mm2）4610162535507095120電阻 R05.53.6932.1591.3690.86380.61600.44840.31510.23010.184電抗 X00.1010.0950.0920.0900.0880.0840.0810.0780.0750.074五、礦用鎧裝電纜單位長度的有效電阻和電抗（ /km）銅鋁電纜主芯線1KV及以下6KV1KV及以下6KV2截面（ mm）R0X0R0X0R0X0R0X045.3480.0959.0130.09563.5660.0906.0080.090102.1390.0733.6050.073161.3370.06571.340.0682.2530.06752.2570.068250.8560.06620.8570.0661.4410.06621.4450.066350.6100.06370.6120.0641.0300.06371.0300.064500.42830.06250.4290.0630.7210.06250.7220.063700.30440.06120.3060.0610.51450.06120.5160.061950.22540.06020.2260.0600.380.06020.380.0605六、裸絞線的電阻和電抗導(dǎo)線電阻 /線間幾何均距（ m）0.60.81.01.251.502.002.503.003.504.00型號/km電抗 ( /km)LJ-161.8470.3560.3770.3910.4050.4160.4340.4480.459LJ-251.1880.3450.3630.3770.3910.4020.4210.4350.448LJ-350.8540.3360.3520.3660.3800.3910.4100.4240.4350.4450.453LJ-500.5930.3250.3410.3550.3690.3800.3980.4130.4230.4330.441LJ-700.4240.3120.330.3440.3580.3700.3880.3990.4100.4200.428LJ-950.3170.3020.320.3440.3480.3600.3780.3900.4010.4110.419LJ-1200.2530.2950.3130.3270.3410.3520.3710.3820.3930.4030.411LJ-1500.2000.2880.3050.3190.3330.3450.3630.3770.3880.3980.406LJ-1850.1620.2810.2990.3130.3270.3390.3560.3710.3820.3920.4006LJ-2400.1250.2730.2910.3050.3190.3300.3480.3620.3740.3830.392LGJ-161.9260.3870.4010.4120.430.4440.4560.4660.474LGJ-251.2860.3740.3880.4000.4180.4320.4430.4530.461LGJ-350.7960.3590.3730.3850.4030.4170.4290.4380.446LGJ-500.6090.3510.3650.3760.3940.4080.4200.4290.437LGJ-700.4320.3640.3820.3960.4080.4170.425LGJ-950.3150.3530.3710.3850.3970.4060.414LGJ-120 0.2550.3470.3650.3790.3910.4000.408LGJ-150 0.2110.3400.3580.3720.3840.3980.401LGJ-185 0.1630.3650.3770.3860.394LGJ-2400.1300.3570.3690.3780.386七、1）、6KV 鎧裝電纜每兆瓦公里負(fù)荷矩的電壓損失（ % ）截面（ mm2）162535507095120150185銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁7cos0.653.946.492.64.231.913.071.392.4891.051.6320.8221.2510.6921.0310.590.8620.5610.7860.73.9126.462.5694.2031.8823.0431.3682.4721.0241.6060.7971.2260.6671.0060.5660.8380.4910.7110.753.8866.4342.5444.1771.8573.0911.3442.44811.5830.7751.2030.6440.9830.5630.8150.4680.6880.83.8616.412.5194.1531.8342.9951.3212.4250.9781.5590.7521.1850.6620.9610.5210.7930.4390.6660.853.8376.3852.4954.1291.8112.9721.2982.4030.9561.5380.731.160.60.9390.50.7710.4250.6450.93.8126.362.474.1041.7872.9481.2752.3790.9331.5150.7081.1370.5770.9170.4770.7940.4020.6170.953.7826.332.4424.0751.7592.9211.2482.3520.9061.4890.6821.1080.5510.8910.4510.7230.3760.5961.03.726.2692.3814.0151.7012.8631.192.2950.8511.4330.6271.0560.4960.8360.3970.6690.3220.542R0(/Km)1.342.2570.8571.4450.6121.030.4290.8260.3060.5160.2260.380.1790.3010.1430.2410.1760.195X 0(/Km)0.0680.0680.0660.0660.0640.0640.0630.0630.0610.0610.060.060.060.060.060.060.060.06）、鎧裝電纜每兆瓦公里負(fù)荷矩的電壓損失（%）2 10KV截面162535507095120150185（mm2）cos銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁0.651.4072.3060.9341.510.6941.1030.5140.9030.3940.60.3150.4660.2690.3890.2340.330.2080.28580.71.3952.2940.9221.4980.6821.0910.5020.8910.3820.5880.3030.4540.2570.3770.2220.3180.1960.2730.751.3842.2830.9111.4870.6711.080.4910.880.3710.5770.2920.4430.2460.3660.2110.3070.1850.2620.81.3732.2720.91.4760.661.0690.480.8690.360.5660.2810.4320.2350.3550.20.2960.1740.2510.851.3632.2620.891.4660.651.0590.470.8590.350.5560.2710.4220.2250.3450.190.2860.1640.2410.91.3522.2510.8791.4550.6391.0480.4590.8480.3390.5450.260.4110.2140.3340.1790.2750.1530.230.951.3392.2380.8661.4420.6261.0350.4460.8350.3260.5320.2470.3980.2010.3210.1660.2620.1410.2171.01.3132.2120.841.4160.61.0090.420.8090.30.5060.2210.3720.1750.2950.140.2360.1140.191R0(/Km)1.3132.2120.841.4160.61.0090.420.8090.30.5060.2210.3720.1750.2950.140.2360.1140.191X 0(/Km)0.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.080.083）、380V 銅芯橡套軟電纜每千瓦公里負(fù)荷矩的電壓損失（ % ）截面（ mm2）功率因數(shù)461016253550700.63.9082.6431.581.0320.6790.5040.3850.290.653.8912.6331.5711.0220.670.4950.3770.2820.73.882.6231.5611.0130.6610.4860.3680.27490.753.8712.6141.5521.0040.6520.4780.3590.2660.83.8622.6051.5440.9960.6440.470.3530.2590.853.8522.5961.5350.9880.6360.4630.3450.2510.93.8432.5871.5270.9790.6280.4550.3370.245注：電纜芯線溫度為65）、銅芯橡套軟電纜每千瓦公里負(fù)荷矩的電壓損失（%）4 660V截面（ mm2）46101625355070功率因數(shù)0.61.2950.8760.5240.3420.2250.1670.1280.0960.651.290.8730.5210.3390.2220.1640.1250.0930.71.2860.8690.5170.3360.2190.1610.1220.0910.751.2830.8660.5140.3330.2160.1580.1190.0880.81.280.8630.5120.330.2140.1560.1170.0860.851.2770.8610.5090.3270.2110.1530.1140.0830.91.2740.8580.5060.3250.2080.1510.1120.08110R0(/Km)5.53.692.161.370.8640.6160.4480.315X 0(/Km)0.1010.0950.0920.090.0880.0840.0810.078注：電纜芯線溫度為655）、660V 鎧裝銅芯及鋁芯電纜每千瓦公里負(fù)荷矩電壓損失（ % ）截面（ mm2）功率因數(shù)10162535507095銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁銅鋁0.60.5140.8510.3270.5380.2170.3510.160.2560.1170.1850.0890.1370.070.1060.650.5110.8490.3250.5360.2140.3490.1570.2540.1150.1830.0860.1350.0680.1040.70.5080.8460.3220.5330.2120.3460.1550.2510.1130.180.0840.1330.0660.1010.750.5060.8430.320.5310.210.3440.1530.2490.1110.1780.0820.1310.0640.0990.80.5040.8410.3180.5290.2080.3420.1510.2470.1090.1760.80.1290.0620.0970.850.5020.8390.3160.5270.2060.340.1490.2450.1070.1740.0780.1270.060.0960.90.4990.8370.3140.5250.2040.3380.1470.2440.1050.1720.0770.1250.0580.094R0( /Km)2.143.611.3342.2530.8561.4410.611.030.4280.7210.3040.51511X 0(/Km)0.0730.06750.06620.06370.06250.06120.0602注：電纜芯線溫度為656）、不同電壓等級的各種線路電抗平均值線路類型電抗 R0( /Km)架空單回路電壓在1KV 以上到 220KV0.4架空單回路電壓在1KV 以下0.335KV 電纜線路0.121KV 到 10KV 電纜線路0.07 0.081KV 以下電纜線路0.06 0.07八、礦井電力負(fù)荷計算需用系數(shù) Kde 及加權(quán)平均功率因數(shù)表 1用電設(shè)備需用系數(shù) K de加權(quán)平均功率因數(shù)cos采煤工作面12綜合機械化工作面（自移支架）一般機械化工作面（單體支架）一般機械化工作面（傾斜機采面）緩傾斜煤層（炮采工作面）急傾斜煤層（炮采工作面）采用掘進機的非掘進機的架線式電機車蓄電池電機車其他運輸設(shè)備（輸送機、絞車）無主排水設(shè)備有主排水設(shè)備0.4+0.6Pmax/ PN0.70.286+0.714 Pmax/ PN0.6 0.70.6 0.750.6 0.70.4 0.50.60.5 0.60.7掘進工作面0.50.6 0.70.3 0.40.6電機車0.5 0.650.90.80.90.50.7井底車場0.6 0.70.70.75 0.850.813井下照明1（日光燈 =0.6）1cos注： Pmax最大容量電動機（如機組、輸送機等）的功率，KW ；PN參加計算的所有用電設(shè)備的額定功率（不包括備用設(shè)備）之和，KW。礦井電力負(fù)荷計算需用系數(shù) Kde 及加權(quán)平均功率因數(shù)表 2用電設(shè)備名稱需用系數(shù)K de加權(quán)平均功率因數(shù) 備注cos壓風(fēng)機房主電動機0.8 0.850.8 0.85斜井膠帶提升機0.750.7地面綜合運輸0.70.7儲煤場0.6 0.650.7絞車房輔助設(shè)備0.70.7鍋爐房0.6 0.70.65 0.7空氣加熱房0.75 0.80.8日用及消防水泵房0.7 0.750.75同步機時一般 cos 為機修廠0.35 0.40.6 0.650.9 超前，高壓水銀燈與14支柱加工廠0.4 0.5煤樣室0.4 0.5化驗室0.5 0.6燈房室0.7變電所用電0.7地面建筑物內(nèi)部照明0.85工業(yè)廣場區(qū)間外部照明0.9主通風(fēng)機房輔助電動機0.35 0.5九、矩形母線的最大允許持續(xù)載流量2一條母線截面（ mm ）銅平放豎放平放1532002101562032162752042533233402520.65日光燈 cos 取 00.60.80.70 7110.7最大允許持續(xù)電流（ A）兩條鋁銅鋁豎放平放豎放平放豎放16521526515445147534736530404593625456480566570051854040505816860632665506906955703740606106911258268701650174012821350609125113209751025205021601596168010139514751100115524302560191020106080613601480105011501940211015001630809155316901215132024102620187620468010174719001360148028503100223724106166518101301142522702470178019351001008191120801495162528103060220023901001021212310167518203320361026302860822102400175019003150340024402650120161201024352650190520703770410029453200十、裸絞線載流量銅絞線鋁絞線鋼芯鋁絞線導(dǎo)線型號長時允許電流導(dǎo)線型號長時允許電流導(dǎo)線型號室外長時允許電流室外室內(nèi)室外室內(nèi)TJ-45025LJ-1610580LGJ-16105TJ-67035LJ-25135110LGJ-25135TJ-109560LJ-35170135LGJ-35170TJ-16130100LJ-50215170LGJ-50220TJ-25180140LJ-70265215LGJ-70275TJ-35220175LJ-95325260LGJ-95335TJ-50270220LJ-120375310LGJ-120380TJ-70340280LJ-150440370LGJ-150445TJ-95415340LJ-180500425LGJ-185515TJ-120485405LJ-240610LGJ-24061017TJ-150570480LGJ-300700TJ-185645550LGJ-400800TJ-240770650注：導(dǎo)線最高允許溫度70，環(huán)境溫度25。十一、各種導(dǎo)體的長時允許溫度，短時允許溫度和最大十允許溫度導(dǎo)體種類和材料銅鋁母線排鋼（不與電器直接連接時）鋼（與電器直接連接時）銅芯 10KV 及以下油浸鋁芯 10KV 及以下絕緣電纜2530KV長時允許溫度短時允許溫度短時最大允許溫升熱溫度系數(shù) p( ) p?s( ) p?s ( )7032025017570220150977042035070703202506080280200165802301509080205125951865橡皮電纜65十二、短路電流計算公式表計算公式U2N1、三相短路電流I SC(3)= 3 ( R)2 + ( X)2 U2N2、兩相短路電流I SC(2)= 2 ( R)2 + ( X)23、三相短路電流和兩相短路電流的換算關(guān)系I SC(3) =1.15 I SC(2)；I SC(2)=0.87 ISC(3)200135145200135100符合含義I SC(3) 三相短路電流，AI SC(2) 兩相短路電流，AU 2N 變壓器二次側(cè)的額定電壓，對于127、380、660和 1140V 電網(wǎng)，分別為133、400、690 和 1200V19U2N2U2N24、系統(tǒng)電抗X S=SSC(3)= 3ISC(3)若井下中央變電所10KV母線上的短路容量不詳，SSC(3)井下中央變電所高壓母線上的短路容量，MV A可用該變電所高壓配電箱的額定斷流容量進行近似計算。5、總電阻和總電抗 R=R1+RT+R2 ; X=X S+X 1+X T+X 26、高壓電纜的阻抗R01L1X01L1R1=KT21KT2X =R01L1R012 + X012Z1=KT2 =KT2L17、變壓器的阻抗 P PU2N2RT=3I2N2 =SN2R1、 X 1 和Z1折合至變壓器二次側(cè)以后高壓電流每相的電阻、電抗和阻抗R01、X 01 和 Z01高壓鎧裝電纜每相每公里的電阻、電抗和阻抗。L 1高壓電纜的實際長度，kmK T變壓比，變壓器一、二次平均電壓之比（如6300/400）RT 、 X T 和 ZT 變壓器每相的電阻、電抗和阻抗值SN 和 I2N變壓器的額定容量（VA ）和二次側(cè)的額定電流，（A）。20UXU2NUXU2N2X = 3100I2N =100SN2T PU R= SN100U X= UZ2 + UR2 或 XT= ZT2 + RT2 UZU2N2ZT =100SN28、低壓電纜的電阻和電抗R2=R02 L 2X 2=R02L2如果低壓電網(wǎng)由幾段電纜連接而成，應(yīng)分別及時各段的電阻和電抗，然后相加。UR 、UX 、 UZ 分別是變壓器的電阻、電抗和阻抗壓降百分?jǐn)?shù)， % P變壓器的短路損耗，W注： U2N 的單位如果是 KV ,則 SN 的單位是 MV A U2N 的單位如果是 V,則 SN 的單位是 VA 。R02 和 X 02_分別為低壓電纜每相每公里的電阻和電抗。L 2低壓電纜的長度，km十三、KBZ630 饋電開關(guān)過流插件調(diào)整表21過載（長延時），短路（瞬時）撥碼開關(guān)數(shù)值12345678910長 延 時0.40.40.40.40.50.60.70.80.91瞬時33345678910指針位置過載 A指針位置遠(yuǎn)端短路 A指針位置近端短路 AKBZ400 饋電開關(guān)過流插件調(diào)整表0578.499.39.59.79.89.9104070100140180220250290330360400056.77.68.28.79.19.39.59.710200400600800100012001400160018002000220004.56.57.58.38.99.29.49.69.810400700100013001600200024002800320036004000JDB80C 電動機保護器整定調(diào)整表分 檔粗 調(diào)細(xì)調(diào)刻度電流（ A）22電流（A）倍率5.5-10 110-20 222-40 344-80 4分檔型號電流（A ）30-60JDB-12001234567895.566.577.588.599.510111213141516171819202224262830323436384044485256606468727680電流刻度（ A ）1234567891011303336394245485154576060-1206066727884909610210811412055-110556065707580859095100110JDB-225110-22011012013014015016017018019020022023JDB120B型電動機保護器整定調(diào)整表