GB T 14549

GB/T1454993QualityofelectricenergysupplyHarmonicsinpublicsupplynetwork1993-07-311994-03-01150Hz110kV220kV110kV2GB15633.1pointofcommoncoupling3.2harmonicmeasurementpoints3.3()fundamental(component)3.4()harmonic(component)13.5(h)harmonicorder(h)3.6()harmoniccontent(forvoltageorcurrent)3.7harmonicratio(HR)h()hHRUhhHRIh3.8totalharmonicdistortion(THD)()THDuTHDi3.9harmonicsource3.10shortdurationharmonics2s30sA()4()11()%kV%0.385.04.02.06104.03.21.635663.02.41.21102.01.60.855.1()22B()2AkVMVA2345678910111213141516171819200.381078623962264419211628132411129.7188.6167.8610043342134142411118.5167.1136.16.85.3104.79.04.310100262013208.5156.46.85.19.34.37.93.74.13.26.02.85.42.63525015127.7125.18.83.84.13.15.62.64.72.22.51.93.61.73.21.56650016138.1135.49.34.14.33.35.92.75.02.32.62.03.81.83.41.6110750129.66.09.64.06.83.03.22.44.32.03.71.71.91.52.81.32.51.2220kV2000MVA5.2C()6D()A()A1hHRUh()HRUUUhh=×100100(A1)Uhh()U1()A2hHRIh()HRIIIhh=×100100(A2)Ihh()I1()A3UH()UUHhh=2=∞∑2(A3)A4Ih()IIHhh=2=∞∑2(A4)A5THDu()THDUUuH=×100100(A5)A6THDi()THDIIiH=×100100(A6)B()22ISSIhk1K2hp=(B1)SK1MVASK2MVAIhp2hAIhSk1hC()C1hHRUhhIh()HRUZIUhhhN=31000(C1)(C2)(C3)()HRUUhIShNhk=31000(C2)()ISHRUUhhkhN=10300(C3)UNkVSkMVAIhhAZhhC2(C4)IIIIIhh1h2h1h2h=++222cosθ(C4)Ih11hAIh22hAθh12h(C5)IIIKIIhh1h2hh1h2=++22(C5)KhC1C1(C5)Khh3571113913Kh1.621.280.720.180.080(C4)(C5)C3ih(Ihi)(C6)()IISShihita=1(C6)IhBhASiiMVAStMVAC2C2h35711139131.11.21.41.81.92D()D1()()D2219D3()2min30()D495%95%5%D5D5.1D5.23s()UmUhhkk=1m=∑12(D1)Uhk3skhm3sm6D5.3D1D1Uh1%UNUh1%UN5%Uh0.05%UNAIh3%INIh3%IN5%Ih0.15%INUh3%UNUh3%UN5%Uh0.15%UNBIh10%INIh10%IN5%Ih0.50%INUNUhINIhA02500Hz51BD5.415%4951Hz8%D6D5.2D1D3D75%52500Hz6110kV1000Hz(UN1kV(UN1kV)____________________