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1、1.2.3.4.5.1.11.21.3I>0+-1.41.51.11+SIL+R0UURL+0LEU-S-I-01.11SR,I0,UULL0SUE,PP0,U00LSLUES2R0IU0,I0,P0LSLLLRR002PPIR0SS0US30R,I,UIRUIRLLLLLSL0RR0L2PPP,UIIRUR0SLSLL0LL4UIUI1.6=0KCL=0KVLEKCLKVL21.712P51.3.1a-Uba=10V+ba)1.3.2UUU1012222Vab128J122J1.3.3U2VU3VUVVV0VV2Vabbcababba4C4CUVVVVU3
2、VbcbccbbcbV0V3VV5VU2VU3VcbaabbcP121.4.1eUEbat0bae0e01.4.21.4.3L0C1.4.4I01.4.5US21.4.6IR0IPIRRRI0P022IIIpIRR0PIR0ss2RPIRs3P141.5.101.5.2UEIRabE121.5.3UE12V,I2AR6ab0R201.5.4U10Vab12101EIRUIAA0ab631PEI124w32110PIR10W33110PUI10wab332112PIR6w0333PN60W31.5.5IANU220V11N380V110V1.6.1V5VVu3
3、145VU12Vabab1.6.2I3(2)0I5A1.6.3647KCL4-1=33KVL6-4+1=3341.6.4KCLIIII24131.6.5PiV200WPVi20wsACVsssP10220wABb)000P191.7.151.7.215VR115V-15VR2-15V1.7.3E2R4A-+aR2R1IE1+-BCR3E151I=ARRR35312315UIR5VAB2335UVVVVABABA3R0VVUERIE10V4aAaA2442525VV10V10VaA33P201-1AB6a)IABb)IBAc)IBA1-2a)UBAb)UBAc
4、)UBA1-3R=0.2220V30kWUI3UI3010U0.4I220IR0.2+1+220VU--R0.212230k0.4I220II550I75k022550550300k55010553000550103025300055050I2222I300AU100V11I250AU120V221-4100W15W220V2UPR722220220484009680R484R322712100153531-5I50A,R0.2,I50A,R0.1,R0.2,RRRs11s223312R3IR3RI1S2IRS1240A1-5aR1R3R2I++10VIS1
5、R1IS2R25V--1-5bI50A,R0.2S11I50A,R0.1S22R0.2UUU?3R1R2R3105I10A0.20.10.222PIR100.220WR338I501040AU400.28V1R1I501060AU600.16V2R21-6I40A,R0.4E9V,R0.15,R2.2S112231RRR1232R3-+R2I2E2R1IS1R3I1U11-6II12I40A,R0.4s11E9V,R0.15,R2.2223ERII(RRR)21s1221390.440I(0.40.152.2)225100IA212.751110000235
6、00P2.35R2R311211222343440P0.4R111211210023599136U(RR)IE(2.20.15)9U12.36U12322111111119U11361I30.91A1R110.41100URI2.220V33211100(2)PEI981.82WE211136P40194.55WIS1112100002000PIR2.2181.82wR323211111-73A4A2A1A13A3A1A-4A-10A6A1-71-8U1V,U3V,U8VU4V,U7V,U3V123456I2A,I1A,I1A123PUI122wU111PU
7、I3I6wPUI8216wU221U33110PU4U4I2414wPU5U5I3717wPUI313wU6631-9105I1A5URI5VRP10110wU122P515wPIR155wU2R1-10SAS12VV12AA,3V3612V33AA18106104V24V,V6VAAS12VV0AA,9V12V33AA1810210V1.2VA1-11DI11U220VABDV0V,DV100V;VVU,V320VBABABAVA120320120I20A1010121.2.3.PUI1.1RRiRiUUUissR21R1RiRIIIissRi2.(1)2
8、-1UERIR00UEUIIIIIscscRRR00
