正负rrln2222ahb力常dED21上下cos-cos4aIBBHDEf212112/ln2RRLC12214RRRRC2面SJB241l00YZZC00CLZC00GRZCleUU21RC1012RRfLDRUI2022UURMCCCEOBRUU2)(MOS:上下是乘。反演:不属于单个变量的的反号保留。对偶:变量不变。))((CABABCACAABBCCAABRCT3.2pdntT2RCTW7.0)cossin(2*2*1kkrxUvlUURT2导纳损耗:NTTTTSIpBjUGUS100%002222NSTSUPRNNNSTSUUX2100%20NTUPG20100%NNTUSIBBBBUSI3BBBBSUIUZB23短路功率的标幺值=短路电流的标幺值短路电流的标幺值=短路阻抗标幺值的倒数系统ocddSSSxX*变压NdkTSSUX100%*线路20*cdWLUSlXX抗2*3100%BBNNRRUSIUxx84.1\55.2shi09.1\51.1shI对称111113122aaaa反1111122aaaa1)1(3aII正序电流的3非故障电压为正序电压2倍,故障电压为反向正序电压。82tIIN负序xxhhrxxhhr25.140~30sin1maxNPP2sin2sinqqkw节距90sinykp2max2max2max2)(kkuUXUQCcos1sin2tan分辨角DR22.1衍射暗纹kfxa中明纹afx2麦克干涉2Nx尖暗:2)12(22kne双缝明:dDkx红光长能量密度:2221wAw平能uSwPRa4Ran)1(2vEGRIMpTp324dIp)1(3244DdDIppTGIM惯性矩dAyIZ2AIiZzAaIIZCZ2矩型123bhIZ123hbIy644dIzyIMZZEIM1AQ23maxdxdv圆心(2yx,0)22)2(xyyxR2sin2cos22xyyxyx2cos2sin2xyyx2222xyxx1max231max与2平行)(3212v222)(LEi稳dyduvAyIyyCCCDAdAuvughu2)(12vvQFvudRe00rrmax21uv])(1[20maxrruu)2(2gvdlhf02gHAQ24dQv明渠RiCv渗流lHkviiAmrPFnm1)1()1(成本率%)251%(10