电工电子技术第二焦阳课后答案.pdf

1100120 0.520 1 2 3 4 5 6 7 8 US2/4RS 9 10 KCL KVL 110 1 2 3 4 5 6 7 8 9 101.5V6V7.5V 1 KCLKCL 220 A B A B 2C A B C 3B A B C 41K2.5WA A50mA B2.5mA C250mA 5220V100W220V25W220V B A100W B25W C 6A65VB35VUBA=B A100V B30V C30V 71- 31 C US A V D 1- 31 AD BC 81- 31C A B C 91- 31B A B C 101- 31D A B C D 324 10.51A10V 0.5 1 24232 3 22 2 35V35V C C C C B B 3 4 5 6 1KWh 1 1KW1100W 1010W100 7 8 26 1- 32 I1 I4 R3 R1 b c a I2 R2 I A4 I5 A5 11- 32I=10mA I1=6mAR1=3KR2=1KR3=2K A4A58 aKCLI- I1- I2=0 I2=4mA KVL63+2I4 I3=- 7mA A4=13mA A53mA 21- 33UabI8 3UabI0 31- 34I3US1=30V US2=40V R1=4R2=5R3=210 1 3 2626 1 1 =1K US1I33.95AUS2I3“4.21AI38.16A 2UOC34.44VR02.22I38.16A 2100120 0.520 1 2V)60314sin(2380tu 3802 V 380 V50 Hz0.02 s 314 rad/s 314t- 60 60 /3 3 4 R jXL jXC R+j(XL- XC) 5 6 i=u/R dt di LuL dt du Ci C C 7 8 9 1- 33 I 1 6V a b 5 1 12V 5 2 1- 34 II2 1 I3 R3 RR2 1 US1 US2 a b 4 j jX X 314314 rad/srad/s R R C 10RLC R 110 1 2 3 4 5 6 7 8 9 10 220 1220V100W220V25W220V B A100W B25W C 2380VB AV Btu314sin380)45314sin(537tuV C)90314sin(380tuV 310VP P/2A A7.07V B5V C14V D10V 4D A B C D 5A)90314sin(10 1 ti30628sin(10 2 tiAC Ai1i260 Bi1i260 C 6A A B C 7RLUR=16VUL=12VB A28V B20V C2V 5 V Vt t4 314in( 314in( 10 C 3838 B5u u )90 )0V V 10V P P/2 /2 B B 8RLCf02f0B A B C 9A A B C 10A A B C D 312 1110V100W110V40W220 220V 2 3450380 450V380V537V 380V 4 220VU1110VU2178V U2U12U22 RL U2 2 22 2 221 )sin()cos(UUUU 38 3sin314t 28sin(5t17) 1T=0.02sf=50Hz T=1.256sf=0.796Hz 17 28tu314sin2220V 6 220220V V i 8 I=U/R=220/8=27.5Auiti314sin25 .27A 27.5AP=UI=22027.5=6050W 30.1tu314sin2220V 100Hz 8 L=3140.1=31.4 Q=2202/31.4=1541Var 2 L 23140.1=62.8 Q=2202/62.8=770.7Var I=U/2 L=220/62.83.5A i=4.95sin(314t- 90)A 4 110V5A400W 9 R=P/I2=400/25=16 Z =110/5=22 ( L)2=222- 162=228 L=48.1mH R 2- 22 uS XL 52- 22R6XL8 US220VI 8 Z = 22 86=10 I=U/Z =220/10=22A 0.520 1 120 2 3 30 3 Y 3 1 Y 4Y220.8 10A 1760W 1320Var 7 =220/10=22A =220/10=22A 5A L) =22=222 2- 16- 162 L 8 8 I I 0.50.5 2200VA 17.6 42mH 5 380V 220V 36V 6 7 8 9 10 0.577 Y 110 1 2Y Pl UU3 3 4Y 5 CCA SSSS 636V Y 8 9 10 212 1 A B C 2AB C10 A30A B10A C7.32A 3B A B C 4UAUBU B C 220V 8 S S Y Y UAB380VUBCUCA220VC AA BB CC 5B A B C0 6C A B C D 30 8 Y 2 380V26AAB A6 ABABAB 26/1.732=15ACA AACB BC 15+7.5=22.5A 33- 15V1380V8 3- 15 A N V1 V A1 A2 A3 a 10 10 10 B C V1 A1 A2 b V2 10 10 10 A B C 9 ABAB 26/1.732=15A/1.732=15A aV1380VV2 220VYA1A2220/10=22AA3 bV1=V2380VA2 380/10=38AA11.73265.8A 4380V 36V4 380V 5 4 28 1Y380 63R XL8 9 .23)758. 0sin(arccos7 .36 8 .27758. 07 .36 7 .36 63 380 758. 0 62203 3000 cos L XR Z 2220V 17.34.58 1 .16)683. 0sin(arccos22 15683. 022 22 3 .17 3220 683. 0 3 .172203 4500 cos L XR Z 3Z3j4 ,380V 8 YUP=220VI=IP=220/5=44A P=17.424KW Q=23.232KVar S=29.04KVA UP=380VIP=380/5=76AI=131.6AP=51.984KWQ=69.312KVar S=86.64KVA 4V)60314sin(2380 AB tuuBCuCAuAuBu B C 4 10 75 6 Z 4500 V)314sin(2380 V)60314sin(2380 CABC tutu V)30314sin(2220 V)150314sin(2220 V)90314sin(2220 C BA tu tutu 480100 0.519 1 2 3 4 5 6 7 8 1 9 10 110 1 2 3 4 5 6 11 7 8 9 10H 212 1B A B C 2C A B C 3A A B 4B A B C 5 D A B C D 6B A B C 321 1 2 3 4 5 12 C 6 7RUI RUI=U/R 18 120KVA6600V/220V 220V40W6 . 0cos220V40W 10 220V40W2000040=500 6 . 0cos220V40W200000.640=300 2k=10810V R0=2008 Z1r=1028=800 I1=10/(800+200)=0.01A I2=I110=0.1A P=0.128=0.08W 5100120 0.520 1 2 Y 3 4 Y- 560Hz50Hz 13 k k=10k 8=800 8=800 6600V/220V6600V/220V 6 20000 8 I1I=10/(800+200)=0.01A =10/(800+200)=0.01A 5 5 6 7 8 9 10 11 FR FU SB KM QS 12 110 1 2 3 4 5 6 7 8 9 10 220 1B A60 B120 C180 D360 2A A B C D 3B A B C D 4D 14 A B C D 5C A B C D 6C A B C D 7B A B C D 8B A B C D 9D A B C D 10Y- 3 1 A A1/3 B0.866 C3 D1/9 428 1 T=TL 2 TKTI2 cos 2 3380/220V 15 C C 380/220V380V Y220V 4 Y 0.5771/3 Y 1.7323 5 6 7 22 11430r/min50Hz pSNf2n n0=1500r/min p=2SN=(1500- 1430)/15000.047 f2=sf1=0.047502.33Hzn=1500- 1430=70r/min 24.5KW380V950r/min 1.61TNTM2300V 1TN=95504.5/95045.2Nm TM= TN=45.21.672.4 Nm 2300V300/380=78.9%UN TM=72.40.789245.1NmEu0=ui uiEu0=Eu0 6- 23 u/ t 0 ui u0 10 5 4 19 =0=0 0.7V E E=5V=5V 56- 24DZ18VDZ26V 0.7VU0 6- 24 a14VU0=14V bU0=6V cU0=8.7V dDZ1U0=0.7V 6PNPN 7 17 16- 25 8 1 ? A60 V3 CBCE I IU 20 PN 14V14V =8.7V=8.7V DZ1 PN 2? V4 mA4 BCEC I UI 3 ? A6040 V3 BCE IU IC ( A) UCE (V) 5 4 3 2 1 100A 80A 60A 40A 20 6- 25 0 1 2 3 4 5 6 7 8 A B C ABC 16- 25IB=60AU B CE=3V IC3.5mA 26- 25IC=4mAUCE=4VIB80A70A B 3IB=20AU B CE=3V IC1mA1000/2050 2NPN6- 26 1? V6 V7 . 0 CCEBE I UU 2? V5 A50 CCEB I UI 3 CBBECE 0.75V0.7V V6II UU 9 6- 26 IC ( A) UCE (V) 10 8 6 4 2 100A 80A 60A 40A 20 0 1 2 3 4 5 6 7 8 b IB (A) 120 80 60 40 20 UBE (V) 0 0.1 0.3 0.5 0.7 0.9 1aUBE=0.7VIB=30A(b)IC3.6mA 2bI5mA C 21 BEBE 0.7V0.7V A) I ICI 8080A 1000/20 6- 266- 26 ? 0.75V0.75V 3UBE0.7V0.75VIB30A 120 IC2.4mA2400/3080 7100 0.521 1 2 3 4 11 5 6 7RE RE CE 8ui0 ui 9 10 22 E E E E 119 C 2 C 3 1 2 31 4 5 6 7 8180 9 10 11 12 13 14 15 16ICM 17 18 19 220 1 A B C B A B VB B B 4 A B C B ARB BR B RC 5 C 6 C E C A A B A A B 23 2 2 CM 2020 B B 7 8 C 9 A A B C C A B iBQB B 10 C RC3 4 B1BCC A B C C A B 23 1 RC 2 Q Q 37- 218 aRV=U RECE bRCRECE cC1C2RECE RB2 RC C1 C2 T VCC a RB2 RB1 C1 C2 VCC b 7- 21 7- 4- 3 RB2 RC C1 C2 T VCC c RB2 RC C1 C2 VCC T 1 d RB1 RB1 R CE E 24 a Q Q RB1 V dPNPNPN 4 NPN 4 5 4 17 RC3.3KRB140KRB210K RE 17- 22 1.5K=70IBQICQUCEQ8 25V RC RB1 C1 C2 ui u0 V 2 . 11)5 . 13 . 3(87 . 2 25 A40 701 87 . 2 mA87 . 2 5 . 1 7 . 05 V5 1025 1040 EQCQB CE B I I IV 22- 22 U Aurir09 7- 22 7- 22 7- 5- 1 RB2 RE CE 25 u ui i 3.3K3.3KR R 8 R RC C C RB2 ui RB1 RB2 ii ib u0 ib rbe RC 943 2.87mA mV26 )701 (300 be r ri=RB1/ RB2/ rbe=40000/10000/943843 r0=RC=3.3K 245 943 3300 70 be C u r R A 8100120 0.520 1 2 3 4Au0 ri ro 0 KCMR 5 6 1 7 Au1Au0 8 UR0 26 A Au0 u0 9 10 110 1 2 3 4 5 6 7 8 9 10 220 1Au0AAB A B0 C 2C A B C 3C A B C 4B A B C 5B A B C 6B A B C 7CB A B C 8B A B C 9C A B C 10B 27 B B A C C C B B A B C 20 14 103107 2 4 ii=if 33 AU0= rid=r0=0KCMR= 4 3 53 6 3 1M U0 10V 3- 175.2 Rx V 30 13- 17 Rx U010 28 3 K 3 x x R R U 5 6 0 1010 10 28- 18R12KRf 5KR22KR318KUi1V Uo10 V15 . 3 9 . 0) 2 5 1 ( V9 . 01 182 18 0 U UU 8- 18 38- 19Rf 5R1Ui5mVU010 8- 19 U01=Ui=5mV= Ui2 mV2555 5 i2 1 1 0 U R R U 9100120 0.522 1 21 0 3 41100 0,1 29 =5mV=5mV= U Ui2 i2 U U U 5 0 U 8- 19 8- 19 1 U R 5 1 0 6 OC 7TTLCMOS TTL CMOS 8 90 1 10TTL TTL CMOS CMOS CMOS 11 10 10 12 8421 BCD 2421 3 13 18 1 238 3 4 574LS138 6 774CC40 801 220 1B A B C 2100C A1011110 B1100010 C1100100 D11000100 3ABB ABA BBA CBBA DABA 4B A2 B3 C4 D8 5D A4 B8 C10 D16 30 2 2 674LS148 70 II11011101 02 YYB A101 B010 C001 D110 7101D A B C D 8B A BTTL CCMOS D 9A A B C D 10A A74LS48 B74LS138 C74LS148 DTS547 8 14 24 12 19- 42uAuB 4 uA t uB t 9- 42 B 31 1212 A u uB 29- 438 aDCDACABDAF bBCBAF 22 116 BACBAF)(CBA BCBACAFBCA ABCCBACABBCACBAFBCBAAB DCBABBCAFBDBCAB CBABCACBAF)(BAC CBCBBAFCBA 15 14, 12, 8, 7, 6, 1, 0() (mDCBAFBCDCACBA 12 9, ,3(15 14, 8, 7, 5, 1, 0() (dmDCBAF DCAABCCBDA 2365 10 101101101 2 555 8 16D 16 3 311101.1 2 29.5 10 35.4 8 1D.8 16 3 8 1CACBAABF4 CABF 24 & 1 =1 A F B C D (a) 1 1 & A F B C 1 (b) 9- 43 9.5.2 & F 1 A B C F 1 A B C & & 1 1 1 32 ) ) ) ) ) ) ) ) 101101101101101101 BABA D BA A 7 6, 1, 0(6 1, 0 1, 0(1 0( 101101101101101101 29.529.5 * 1A23F13 F0 A B C F 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 1 1 1 0 1 1 1 1 1 ACABABACABCCABCBAF F A B C & & & 10100120 0.520 1RS 0 1 0 2 RS JKD 3JK 0 1 JK nn QQ 1 J 1 K 1 4D 1 0 1 5 6 7 33 1010 0 0 0 1 ACAC C & 10 0.50.5 8JK nnn QKQJQ 1 D nn DQ 1 9 74LS194 4 8 10 6 2 11 1274LS161 16 110 1RS 238 3CP 474LS90 58421BCD 6555 7 8 909 10 220 1B A B C D 2RSRSA A00 B01 C10 D11 3CPA A B C 4C A B C 5A A B C 6B 34 0 0 20 AD BRS CJK DD 7B A B C 8A A B C 9C A B C 10555COC A555 B C D0R 10 12 23 1 JKD 33 CP CP CP CP 35 D D 42 40 174LS1617 74LS161 2D10- 43000 10 J1 K1 Q1 1 Q J2 K2 Q2 2 Q J3 K3 Q3 3 Q D CP Q1 Q2Q3 CP D Q1 Q2 Q3 10- 43 10.5.2 1 2J1=D K1=D J2=Q1n K2= n Q1 J3=Q1n K3= n Q2 nn DQ 1 1 nn QQ 1 1 2 nn QQ 2 1 3 3 CP D Q1n Q2n Q3nQ1n+1 Q2n+1 Q3n+1 1 0 0 0 0 0 0 0 2 1 0 0 0 1 0 0 3 0 1 0 0 0 1 0 36 Q Q1 1 Q Q2 2 Q Q Q3 2 J 4 0 0 1 0 0 0 1 5 0 0 0 1 0 0 0 310- 44318 1D C1 Q A CP a 1D C1 Q CP b 1D C1 Q CP c 1J C1 1K Q 1 CP d 10- 44 10.5.3 1J C1 1K Q CP e 1J C1 1K Q CP f aAQn 1 b nn DQ 1 c nn QQ 1 d nn QQ 1 e nn QQ 1 f nn QQ 1 410- 145 10- 14 Q2n Q1n Q0nQ2n+1 Q1n+1 Q0n+1 0 0 0 0 1 0 0 0 1 1 0 0 0 1 0 1 0 1 0 1 1 0 1 0 1 0 0 0 1 0 1 0 1 1 1 0 1 1 0 0 1 0 1 1 1 0 1 1 1180100 0.523 000 Q2n Q1n Q0n 010101 110 001 100111 011 Q2n Q1n Q0n 010101110010 37 0 0 1 0 0 1 0 1 0 0 1 0 0 1 1 0 1 1 1 0 0 1 0 0 1 0 1 1 0 1 1 1 0 1 1 0 f f f f 1 0 0 1 0 0 1 0 1 1 0 1 164644096 2 3PLD PLA PAL GAL 4 CPU CPU 5 ROM RAM 6GAL16V8 7PAL PLA GAL 8 9RAM / 10RAMCS 1 RAM CS 0 RAM/R/W 11ROM ROM PROM EPROM E2PROM 12 EPROMMOS 17 1 2GAL 3RAMCS=0 4EPROM 5PLA 6 710241RAM1 220 A B C D & 11- 15 111- 15A AACD BACD CB DB 38 EPROMEPROM EPROMEPROM / / RAMRAM R/R/WW 1 1 2 B ARAM BRAM 3 A B C 410244C A1024 B4 C4096 D8 510244A A1024 B4 C4096 D8 6A AROM BRAM CPRAM 7ROMC AROM BRAM C 8B A B 9RAMBRAM A B 10A A B 10 11024B4RAMRAM RAMRAM RAM4096101024 4RAM4 1020 1ROM ABCDDCBAY ABCDDABCY BCDADBCDCBAY CBABCAY 4 3 2 1 39 B B 1010 024B024B RAMB B 4RARAMM CBABCAY1 Y1 BCDADBCADABCDCBABCDADBCDCBAY2 A 1 B 1 C 1 Y2 ABCDDABCY3 ABCDDCBAY4 21KBRAM1KB4 11- 16RAM 1KBRAM1KB4 411- 16RAM 11- 16 10241 R/W CS A9A0 A 1 B 1 C 1 D 1 Y2 A 1 B 1 C 1 D 1 Y2 A 1 B 1 C 1 D 1 40 BCD I/O0 10241 R/W CS AA 90 I/O1 10241 R/W CS AA 90 I/O2 10241 R/W CS AA 90 I/O3 10241 R/W CS AA 90 A0 R/W A9 CS 1280100 0.521 1DAC ADC 2DAC ADC 3DAC 4DAC R- 2RT R- 2RT DACDAC CMOS 5 6/ 7 ADC ADC 8 ADC 9 T DAC R 2R DAC 10 ADC0809 CMOS 8 ADC DAC0832 CM