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LFP900TestcodeforseriesLFP900high-speedprotectionequipmentofextra-highvoltagetransmissionlineDL/T6251997LFP900DL/T6251997TestcodeforseriesLFP900high-speedprotectionequipmentofextra-highvoltagetransmissionline1997-10-221998-01-01LFP900LFP900LFP900AE1LFP900LFP9002GB726187GB1428593GB/T1514594GB5017192DL47892DL/T55994220500kVDL/T5871996DL/T624199733.1()3.2a)b)IN(IN=5A1A)UN(UN=57.7V)c)d)3.3a)DL/T6241997b)()c)0.5d)3.4a)b)c)d)3.5a)b)EPROMc)d)e)f)g)h)i)()()4111233.13.244.14.24.2.14.2.255.15.25.35.45.566.16.26.36.47899.19.29.31010.110.1.1(901A)(902A)10.1.210.210.310.3.110.3.210.410.510.610.711121313.113.213.313.413.5141515.115.216171.11612.1213.55.1a)b)c)d)e)3mmf)g)h)i)j)5.2a)MONIE4E5E9E10E1E2MENb)SIGJP1JP212JP1JP223()5.3a)4(VFC)5(CPU1)6(CPU2)7(MONI)8(SIG)b)c)ONd)e)f)5.3.1a)1000V10Mb)1000V1.0M()5.3.2615.3.11000V1min2500V5.45.4.15.4.1.180%5.4.1.280%5.4.25.4.2.180%100%115%25.4.2.222(V)(V)+5M7—M84.85.2+12M4—M81113-12M5—M8-11-13+24M6—M82226+24M1—M222265.55.5.1CPU1CPU2SIG(OP)5.5.2SETTING+-5.5.3(FF)()4800bps85.5.45.5.3CRC(8CRCCHECK)CPU1CPU2MONI()5.5.55.5.5.1(4CLOCK)24h10s5.5.5.25min5.65.6.1(1SETTING)CPU1CPU2MONI()5.6.25.6.2.1095.6.2.25.6.35.6.3.1(1SETTING)1A5A5.6.3.2CPU1CPU1(1.CPU1RELAY)CPU1CPU15.6.3.3CPU2SETTINGCPU2(2.CPU2RELAY)CPU2CPU25.6.3.4MONISETTINGMONI(3.MONITOR)MONI5.6.3.5SETTING(4.-FAULT-LOCATION)5.6.45.75.7.1CPU1(3.RELAYSTATUS)CPU1(1.CPU1STATUS)(2SWITCHSTATUS)CPU133CPU1CPU1CC3KKCB2TWJCA2L0CA3F++CB3CHNLCA6MCDCA5SX×=1×=01.“2.“3.“4.+24V(CA1)5.7.2CPU25.7.1CPU2(2.CPU2STATUS)(2SWITCHSTATUS)CPU245.85.8.1U•UN(CA10CC10)U•VN(CA9CC10)U•WN(CA8CC10)U•LN(CC8CC9)0.5VA5.8.2I•UN(DD1DD5)I•VN(DD2DD6)I•WN(DD3DD7)30I•(DD8DD4)(IN)1VA(IN=5A)0.5VA(IN=1A)5.8.3(DD9DD10)()35W50W4CPU2CPU2CB2TWJCA4DISTCC1SCCC2ZCCC3HHKKCC4HYJCC5BSCHCA6MCD×=1×=01.“2.“53.+24V(CA1)4.“5CC1CC20001“1”“0”10115.95.9.1(3RELAYSTATUS)1CPU1STATUSSAMPLINGDATA()(I•UI•VI•W)(U•UU•VU•W)2CPU2STATUS(I•UI•VI•WU•UU•VU•WU•L)3MONITOR((I•UI•VI•WI•0)0.01IN(0.05V)()5.9.2DD5DD6DD7DD8(′•IU′•IV′•IW′•I0)DD1DD2DD3DD4I•UI•VI•WINCA10CC8CC9CC10(A)CA10CA9CA8CC10U•UU•VU•WUN3I0(3RELAYSTATUS)1CPU1STATUS2CPU2STATUS3MONITOR(1SAMPLINGDATA)CPU1(I•UI•VI•WU•UU•VU•W)CPU2(I•UI•VI•WU•UU•VU•WU•L)MONI(I•UI•VI•WI•0)70603051V10IN5ININ0.2IN0.1IN5%1.OP2.3.4.10IN5IN10s10IN5.9.35.9.2(3RELAYSTATUS)1CPU1STATUS2CPU2STATUS3PHASEANGLESCPU1(U•UI•UU•VI•VU•WI•WU•UU•VU•VU•WU•WU•U)CPU2(U•UI•UU•VI•VU•WI•WU•UU•VU•VU•WU•WU•UU•LU•U)0459035.105.9.25.10.3.25.10.7(CA1CC3)(CB2)5.10.15.10.1.1(901A)(902A)UVWUVVWWU100150ms()UkIZII=+=121.setp2N(901A)Zsetp2()()()UmkIZIIkDZmZ=+=+−⋅191setkNsetksetkmax(902A)ZsetkDZsetkkUIZII==24.setpp2N(901A)Zsetpp2UmIZIIDZmZ==−⋅277setkNsetksetkmax.(902A)=sen(901A)=78(902A)senU=0VI=6IN=senm=0.9(UUN)(I6IN)m5.10.1.2UVWU=50V100150msI=mI0setkI0setkm0.951.051.20.95(m=0.95)1.051.25.10.2VWUUVW=180+sen(L03k=0)()[]IIkDZ=+min/61001Nset(901A)()[]IIkDZ=+min/61001Nsetk(902A)DZsetDZsetk5.10.35.10.3.1UVWUVVWWUI(I=IN)100150msU=mIZset1(1+k)U=2mIZset1m0.951.050.7Zset10.95(m=0.95)1.050.75.10.3.2UVWVWUI(I=IN)U=mIZsetpn(1+k)U=2mIZsetppnm0.951.050.7n23Zsetp2Zsetp3Zsetpp2Zsetpp30.95(m=0.95)1.050.75.10.4UVWU=50V()I=mI0set2I=mI0set3m0.951.051.2I0set2I0set30.95(m=0.95)1.051.25.10.5UVWUVVWWU(0UN)100150msU=(1+k)IDZset+(1-1.05m)UNU=2IDZset+(1-1.05m)3UNm0.91.11.2DZsetm=1.1m=0.9m=1.25.10.6()()I=mITVsetI=mI0TVsetm0.951.051.2ITVsetI0TVset1.050.951.25.10.7(CA1CB2)300msU=50VI=mI0setckI0setckm0.951.051.21.050.951.25.1180%5.11.1CPU1(CA1CC3)(CB2)HELP90HELP90HELP90VFC966CPU11U100150msUU=0VIU=2IN=senDZD++“CD”ACDBC1—BC2BC5—BC6BB1—BB2BB5—BB6AC1—AC2AC5—AC6()AA1AA2AA5—AA6AB1—AB2BA1—BA2AB5—AB8()2V100150ms;UV=0V,IV=2IN,=senDZD++“CD”BCDBC1—BC3BC5—BC7BB1—BB3BB5—BB7AC1—AC3AC5—AC7BC9—BC10AC9—AC10()AA1—AA2BA1—BA2BA1—BA3AB5—AB9()3W100150msUW=0V,IW=2IN=senDZD++“CD”CCDBC1—BC4BC5—BC8BB1—BB4BB5—BB8AC1—AC4AC5—AC8AC9—AC10()AA1—AA2BA1—BA2()4UVUUV=0V,IUV=2IN,=senDZD++“CD”ABCAA1AA3AA5—AA7AB1—AB3AA1—AA4AA5—AA8AB1—AB4()BA7—BA8()BA7—BA9()5PTBA4—BA6AB5—AB76BA4—BA5AB5—AB61.2.3.4.155.11.2CPU2(CA1CC3)(CB2)5.11.1HELP9075.11.3MONI(CA1CC3)(CB2)CPU1I0stset=0.1INI0set2=0.1INI0set3=0.1INMONII0stset=0.5IN5.11.1HELP90U=0VI=0.15IN=senABCBC1BC2BC1BC3BC1BC47CPU21U100150msUU=0VIU=2IN=senCDACDAA1—AA22V100150msUV=0VIV=2IN=senCDBCDAA1—AA23W100150msUW=0V,IW=2IN,=senCDCCDAA1—AA24UV300msUUV=0VIUV=2IN=senCDABCAA1—AA3AA1—AA45PTOPBA4—BA6AB5—AB71.2.3.4.5.1280%(CA1CC3)(CB2)HELP90UVUUV=0IUV=2IN=sen5.4.2.22+5V30mV12V50mV24V24V500mV5.135.13.1(UVW)5.13.1.1UVI=IN100msU=0.72IZset1=1.4IZset1(Zset1)30ms6ms5.13.1.2WI=IN100msU=0.7IZset1(1+k)(Zset1)30ms5.13.2a)b)c)UVW()d)VWU()e)W()f)U()g)UVWh)UVWUVW5.13.2.185.13.2.285.13.2.388D++0++Z1CHD++0++Z1CHD++0++Z1CHZ1CH(CF1)CF2Z1CH(CF1)CF2Z1CH(CF1)CF2D++Z1CHD++Z1CHD++Z1Z1CH(CF1)CF2Z1CH(CF1)CF2—D++Z1CHD++Z1CHD++Z1ZZ1CH(CF1)CF2Z1CH(CF1)CF2—Z2ST=0Z2Z2ST=1Z2B2ZP=0CHB2ZP=1Z2B2ZP=0CHB2ZP=1Z2ST=0Z2B2ZP=0CHB2ZP=1Z2ST=1ZZ2B2ZPP=0CHB2ZPP=1Z2B2ZPP=0CHB2ZPP=1Z2Z3Z3Z3ZZ3Z3Z3Z2L02ST=0L02ST=1L02L02ST=0L02ST=1L02L02ST=0L02ST=1L02I0L02ST=0L02(CF1)L02ST=0L02(CF1)L02ST=0L02CH(CF1)I0L03L03L03(CF1)CF2(CF1)CF2(CF1)CF2(CF1)CF2(CF1)CF2(CF1)CF2L02ST=0L02CH(CF1)1.CF1——2.CF2——5.