变电站设计原始资料

1、变电站原始资料1、电力系统概述1.2、说明110kV110kVXX s110kVLXX0.0451, S100MVA5km要求,110kV4.8km。110kV 变电所在电力系统中的地位和作用1、 根据 110kV 变电所与系统联系的情况，该变电站属于终端变电所。2、 110kV 变电所主要供电给本地区用户，用电负荷属于 U 类负荷。110kV变电所各级电压负荷情况分析、供电方式110kV侧：共有两回进线，由系统连接双回线路关于110kV变电所供电。10kV 侧：本期出线 6 回，由 110kV 变电所降压后供电。2、负荷数据1）27MW64.5MW50MW，14 3.572MW 设计；最小负

2、荷按 70%计算，供电距离不大于 5kM）、负荷同时率取0.85，cos=0.8，年最大利用小时数）0.1%。110kV变电所的自然条件1、水文条件80M40.3C1.7C1=4250 小时/年。ma62日/年3级2、所址地理位置与交通运输情况地理位置不限制，交通便利。2、三相短路电流计算2.1110kV变电所接线图2、短路电流的计算步骤、选择计算短路点；110kVSi=100MVA X=0.0451L=4.8kM X=0.4、画出等值网络图；S和基准电jU （kV）（一般取各级的平均电压），计算 基准电流I= S/掘U10kVjj（ kA）。计算各组件换算为同一基准值的标么电抗。400V绘制

3、等值网络图，并且将各组件统一编号，分子标各组件编号，分母标 各组件电抗标么值。、化简等值网络图；1）为中心的辐射形的等值网络。2）求出各电源与短路点之间的电抗，即转移电抗 XonXs，即将各转移电抗换算为各电源容量（等值发电机容量） 为基准的计算电抗X，Xs1s2；、计算短路电流有名值；、计算短路电流冲击值；、绘制短路电流计算结果表。附录设备技术参数附表 1610kV低损耗全密封波纹油箱配电变压器技术参数额定容量（kVA（kVA）高压低压号（kW（kW（%（%S9-M-30306.30.130.602.14S9-M-50506.30.4Y,yn00.170.872.04S9-M-6363100

4、.201.041.94额定电压（Kv）联接组标空载损耗负载损耗空载电流阻抗电压2 PAGE PAGE 5S9-M-808010.50.251.251.84S9-M-100100110.291.501.64S9-M-1251250.341.801.54S9-M-1601600.402.201.44S9-M-2002000.482.601.34S9-M-2502500.563.051.24S9-M-3153150.673.651.14S9-M-4004000.804.301.04S9-M-5005000.965.101.04S9-M-6306301.206.200.94S9-M-8008001.4

5、07.500.84S9-M-100010001.7010.30.74S9-M-125012501.9512.80.64S9-M-160016002.414.50.64S9-M-200020002.8517.80.64附表2 35kV电力变压器技术参数额定容额定电压（kV）联接组空载损负载损空载电阻抗电SC9-315/35800SC9-315/3580013004800SC9-400/351000152059002.0SC9-500/35125017507200SC9-630/351600352X2050Y,yn08500SC9-800/3520002.5%2400101001.8SC9-100

6、0/35250038.5 50.4或2700117006SC9-1250/353150X 2.5%,yn11142001.6SC9-1600/354000360017200SC9-2000/3550004250202501.4SC9-2500/356300500024250型号量（kVA）高压低压标号型号量（kVA）高压低压标号耗（W耗（W流（%压（3150额定容量（kVA额定电压（kV）联接组空载损负载损空载电阻抗电型号高压低压标号耗（kW耗（kW流（%压（%）SF7-16000/11016000X 2.5%10.523.5860.910.5S7-6300/110630011.6411.1S

7、7-8000/110800014.0501.1SF7-10000/1101000016.5501.0SF7-12500/11012500121 1119.5701.0SF7-20000/1102000011026.6YN, 1127.51040.9SF7-25000/11025000X 2.5%6.332.51250.8SF7-31500/1103150038.51400.8SF7-40000/1104000046.01740.8SFP7-50000/1105000055.02150.7XSFZ9-63000/110630006.656.8234.00.41.25%SFZ10-10000/11

8、0100006.312.4650.150.65SFZ10-12500/1101250017.7059.500.60SFZ10-16000/1101600017.7173.100.57SFZ10-20000/110200002188.400.56SFZ10-25000/1102500024.85104.550.50SFZ10-31500/1103150029.54125.800.50SFZ10-40000/1104000035.35147.900.45SFZ10-50000/1105000041.79183.600.45SFZ10-63000/1106300049.702210.36导体尺寸允许

9、载流量（A）导体尺寸允许载流量（A）惯性半径h X b集肤效应系数(m平放 ri（x）cm)SFP7-63000/110SFP7-90000/110 SFZ9-6300/1106300090000630065.085.026030036.9SFZ9-8000/110SFZ9-10000/110SFZ9-12500/11080001000012500101214.2416.845.053.163.00.60.60.80.760.720.671108矩形铝导体长期允许载流量SFZ9-16000/110SFZ9-16000/1101600020.2477.40.63SFZ9-20000/110200

10、002493.60.62SFZ9-25000/1102500028.4110.70.55SFZ9-31500/1103150037.76133.20.55SFZ9-40000/110400001140.4156.60.5SFZ9-50000/1105000010.547.76194.40.5mXmm)Kf平放竖放（cm）竖放r i(y)(60 X 618278701.7340.17360 X 8197410251.7340.23160 X 101109711551.7340.29080 X 61109311502.3120.17380 X 81124913582.3120.23180 X 10

11、1141115352.3120.289100X 61131114252.8900.173100X 81154716822.8900.231100X 101.1166318072.8900.289120X 101.1196720703.4680.2892 (80X8)1.12185820202.310.8322 ( 80 X 10)1311.042 (100X8)1890.8322 (100X 10)1.20261328402.891.042 (120X 10)1.24290032003.471.043 (80X8)1.22235525602.

12、311.333 ( 80 X 10)1.28280630502.311.663 (100X8)1.28277830202.891.333 (100X 10)1.40328435702.891.663 (120X 10)1.47377041003.471.664 (100X 10)1.62381941802.892.554 (120X 10)1.70424846503.472.55注 以上是在基准环境温度+25 C ;导体长期允许发热温度为 +70 C 条件下的数据5槽型母线的技术特性铜母线铝母线h抗弯b抗弯双槽焊成整体高度宽度hb壁厚弯曲半径集肤双槽允许电效应流（A）双槽允许电流(A)集肤截面

13、效应系数惯性矩 lx惯性惯性截面惯性截面惯性惯性截面半径系数矩半径系数半径矩 1y0(mm)(mm)(mm)系数(mm)系数4 Wlyy3 (cm)X34yry43 (cm )ry02530 40kf253040kf(cm)(cm)(cm)(cm)(cm)(cm)(cm)753546104027301.0210.141.62.832.526.21.0923.7892.9375355.56139032501.042670235021601.02514.153.12.763.177.61.0530.1113 2.85100454.58155036201.0382820248022801.0222.

14、21113.784.5114.51.3348.62433.961004568202043001.0743500308028301.038271353.75.918.51.37582903.85125556.510274055001.0854640408037601.05502904.79.5371.651006204.815065710357070001.1265650497045801.075745605.6514.7681.971671260617580812488085501.1956430566052101.10312210706.65251442.425023006.92009010

1532755066406120155402542.7542242207.9A）200A）20012168080105001.4658830777071501.23722522507.646.52942.749049007.922510512.5169760125001.51510300 907083501.28530734508.566.54903.264572408.725011512.516109001.56310800 950087501.31336045009.2816603.52824103009.826kV10kV2035kV粘性纸绝

16、6kV10kV2035kV粘性纸绝聚氯乙烯交联聚乙粘性纸绝交联聚乙粘性纸绝交联聚乙导体截缘绝缘烯绝缘缘烯绝缘缘烯绝缘面（mm2）10162535557095486085466343567095608565609060809511010081102120809075859011585110直 埋置空直 埋置空直 埋置空直埋置空直埋置空直埋置空直 埋置 空地 下气中地 下气中地 下气中地下气中地下气中地下气中地 下气 中731101009080105901351251059513050135125127114165155130120150145115110135135701651551541432

17、0519015014518518013513516516595205190182168230220185180215205165165185180120230220209194260255215205245235185180210200150260255237223295295245235275270210200230230185295295270256345345278270325320230230250240345345313301395325320375注1.铜芯电缆的载流量为同等条件下铝电缆的1.3倍2.本表为单根电缆的载流量。附表7充油电缆(无钢铠)长期允许载流量(A)(mm2)直埋

18、地下置空气中直埋地下置空气中直埋地下置空气中100290330240400515390490400470655460625430590600520780515750480705700540820535795500750845575875导体截面110kV220kV330kV导体截面110kV220kV330kV直埋地下敷设条件：埋深1m,水平排列中心距 250mm;导体工作温度 。环境温度25土壤热阻率 80cm/W，护层两端接地。在空气中敷设条件：水平靠紧排列，导体工作温度+75 C，环境温度30 C，护层两端接地。电缆间 净距(mm2)并且列根数在上述条件下，若电缆护层一段接地时载流量可以

19、大于表中数值电缆间 净距(mm2)并且列根数234567891011121000.900.850.800.780.750.730.720.710.700.700.692000.920.870.840.820.810.800.790.790.780.780.773000.930.900.870.860.850.8510.840.840.830.830.83电力电缆在空气中多根并且列敷设时载流量的修正系数电缆根数电力电缆在空气中多根并且列敷设时载流量的修正系数电缆根数oo3 ooooo5oooooO O6O排列方式ooooo电缆S = 0.90.850.820.800.800.75中心S= 21.

20、00.980.950.900.900.90距离S= 31.01.00.980.961.00.96注 s 为电缆中心距离， 为电缆的直径6 PAGE PAGE 9导体截面土壤热阻系数cm/W导体截面土壤热阻系数cm/W)不同土壤热阻系数时载流量的校正系数(mm2)60801201602002.5161.061.00.90.830.7725951.081.00.880.800.731202401.091.00.860.780.71附表11断路器技术参数额定电 额定电流 额定开断极限经过电流(kA)热稳定电流(kA)压(kV)(A)电流(kA)型号峰值有效值1s2s3s4s5s10sSN10-10/

21、63010630164016SN10-10/100010100031.58031.5SN10-10/200010200043.313043.3SN10-10/300010300043.313043.3SN9-10/6001060014.436.814.4SN8-10/6001060011.6331911.6SN3-10/2000102000297543.543.53021SN3-10/3000103000297543.543.53021SN4-10G/600010600010530017317312085SN4-20G/80002080008730017317312085SN5-20G/600

22、02060008730017317312085SN4-20G/1200020120008730017317312085ZN5-10/63010630205020ZN5-10/1000 ZN9-10/1250 ZN13-10/1250 ZN4-10/1000 ZN12-10/1250 ZN12-10/1600 ZN12-10/2000101000101250101250101000101250101600102000252031.517.331.531.540632550208031.54417.38031.58031.510040ZN12-10/250010ZN12-10/2500102500

23、31.58031.ZN12-10/31501031505512550_N2-10/1250101250256325W-110l/2500110250031.512550_W6-110ll/315011031504012550_W1-220/2000 W1-220/2000 W1-220/3150_W1-220/3150220220220220200020003150250031.54031.5408031.5100408031.510040-W2-132/2500220250031.5,4080,10031.5,40-W2-220/2500220250031.5,40,5080,100,125

24、31.5,40,50-W6-220/3150220315040,50100,12540,50-W6-500/3150500315040,50100,12540,50SN-户内少油式；ZN LN -户内六氟化硫式；LW G-改进型12隔离开关技术参数额定电压(kV)额定电流(A)极限经过电流(kA)5s 热稳定流(kA)操动机构型号型号峰有效值GN2-10/2000102000855036( 10s)CS6-2GN2-10/30001030001006050( 10s)CS7GN2-20/40020400503010( 10s)CS6-2GN2-35/40035400503010( 10s)CS

25、6-2GN2-35/60035600503014( 10s)CS6-2GN2-35T/40035400523014CS-2TGN2-35T/60035600643725CS6-2TGN2-35T/1000351000704927.5CS6-2TGN6-6T/200620025.514.710GN6-6T/4006400523014GN6-6T/6006600523020GN6-10T/2001020025.514.710CS6-1TGN6-10T/40010400523014GN6-10T/60010600523020GN6-10T/1000101000754330GN10-10T/30001

26、030001609075CS9 或 CJ2GN10-10T/40001040001609080CS9 或 CJ2GN10-10T/5000105000200110100CJ2GN10-10T/6000106000200110105CJ26GN6-20T/800020800025014580CJ2GW4-35/12503512505020(4s)GW4-35/20003520008031.5(4s)CS11G 或GW4-35/250035250010040(4s)CS14GGW4-110/125011012505020(4s)GW4-110G/125011012508031.5(4s)GW4-1

27、10/200011020008031.5(4s)GW4-110/2500110250010040(4s)GW4-220/125022012508031.5(4s)GW4-220/2000220200010040(4s)GW4-220/2500220250012550(4s)GW5-35/6303563050,8020,31.5(4S)GW5-35/125035125050,8020,31.5(4S)GW5-35/160035160050,8020,31.5(4S)GW5-110/63011063050,8020,31.5(4S)GW5-110/1250110125050,8020,31.5(4

28、S)GW5-110/1600110160050,8020,31.5(4S)GW7-220/125022012508031.5(4s)GW7-220/2500220250012550(3s)GW7-220/3150220315012550(3s)GW7-330/1600330160010040(4s)GW7-500/2500500250012550(3s)GW7-500/3150500315012550(3s)GW10-220/1600220160010040(3s)GW10-220/2500220250012550(3s)GW10-220/3150220315012550(3s)GW10-33

29、0/1600330160010040(3s)GW10-330/2500330250010040(3s)GW10-500/2500500250012550(3s)GW10-500/3150500315012550(3s)附表13 LJ 铝绞线的长期允许载流量（环境温标称截面长期允许载流量（A）20 C）CS17CJ16CJ16-1CS17CJ16CJ16-1长期允许载流量（A）（mm2）+70 +80 C（mm2）+70 +80 C16112117185534543251511572105845933518319024063464350231239300731738702913014008798

30、8395351360500102310231204104206301185118015046647680013881377 PAGE PAGE 11标称截面长期允许载流量（A）标称截面标称截面长期允许载流量（A）标称截面长期允许载流量（A）20C）（mm2）+70C+80C（mm2）+70C+80C108893185539548161151212105775862515416024065566235189195300735742502342404008989017028929750010251024953573656301187118212040841780014031390150463472

31、导线型号X导线型号X16110 kV 架空线路的电阻和电抗值（ Q /km）6kV10kV35kV110kVLGJ-16/31.9690.4140.414LGJ-25/41.2600.3990.399LGJ-35/60.9000.3890.3890.433LGJ-50/80.6300.3790.3790.4230.452LGJ70/100.4500.3680.3680.4120.441LGJ-95/200.3320.3560.3560.4000.429LGJ-120/250.2230.3480.3480.3920.421LGJ-150/250.2100.3870.416LGJ-185/300.

32、1700.3800.410LGJ-210/350.1500.3760.405LGJ-240/400.1310.3720.401LGJ-300/400.1050.3650.395LGJ400/500.0790.386附表16220500 kV架空线路的电阻和电抗值（ Q/km ）导线型号单根220kV二分裂330kV二分裂500kV四分裂r1X1r1X1r1X1r1X1LGJ-185/300.1700.4400.0850.320LGJ-210/350.1500.4350.0750.317LGJ-240/400.1310.4320.0660.3150.0660.324LGJ-300/400.105

33、0.4250.0530.3120.0530.3200.0260.279LGJ-400/500.0790.4160.0390.3080.0390.3160.0200.276LGJ-500/450.0630.4110.0320.3050.0320.3130.0160.275LGJ-630/550.0250.3080.0130.273LGJ-800/700.0100.271附表17常用三芯电缆电阻电抗及电纳值 导体截电阻（Q/km）电抗（Q电纳（10-6s/km）面（mm2）铜铝芯10kV35kV6kV10kV20kV35kV100.1000.1136050160.0940.1046957250.7

34、41.280.0850.0940.135917257350.520.920.0790.0830.1291048263500.370.640.0760.0820.1191199472700.260.460.0720.0790.1160.1321411008263950.1940.340.0690.0760.1100.12616311991681200.1530.270.0690.0760.1070.116917913297721500.1220.210.0660.0720.1040.116202144107791850.0990.170.0660.0690.1000.11322916311685

35、2400.0630.0692571823000.0630.066主要电气设备价格参考表万案一万案一万案一备注110kV 侧断路器（22.2万元）10kV侧开关柜11.1万兀）110kV侧隔离开关（1.9万兀）110kV电流互感器（1.6万兀）110kV电压互感器（2.6万兀）10kV电压互感器（1.6万元）110kV避雷器3.96万兀）10kV避雷器1.5万兀559.73 万兀478万兀667万兀303万元321万元主变压器（每台 600 万兀）22可靠性设备选型区别满足远程要求满足远程要求主变、母联回路及隔离开关均选用 出线侧隔离开关 选产咼档设备用国产咼档设 备,其它选用国产 优质设备金额

36、核计（万兀） PAGE PAGE 13主要设备材料汇总表工程名称110 kV变电所校核设计阶段日期施工图审核制表图号编号名称1.熔断器（#1、#2 RN1-10型号及规格单位数量备组2变咼压侧）熔断器（10KV I、RN1-10组n段母线PT）2电压互感器（10KV i、n段）JSJW-10组10/0.1/ (0.1/3)电压互感器i、n段）电压互感器线路）电流互感器（压侧）TY-110 / V 3-0.02 H组2TYC-110/ V3-0.007 H组2LBJ-10Q粒122000/510P20/0.5电流互感器（10KV 馈LFC-10粒24线）300/5电流互感器（10KV 母LAJ-10Q粒6分）1500/5电流互感器主变咼LR-110B压侧）0.5/15VA 粒6用于测量表计10.电流互感器主变咼LR-110B粒用于保护1211.压侧）电流互感器线路）5P10/15VA 200-300-600/5 LCWB6-110W1200-600/5A0.5/10P20/10P20/10P20