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試題答案一負(fù)荷分級(jí)及計(jì)算1-1(A.C)1-2(A.B.C)1-3(C)1-4(B)1-5(A.B.D)1-6(A.B.C.D)1-7(D)1-8(C)1-9(B)1-10(D)1-11(D)1-12(D)1-13(A.C.)1-14(A)1-15(A)1-16(D)1-17(C)1-18(C)1-19(B)1-20(C)1-21(B)1-22(A)1-23(A)1-24(D)1-25(A)1-26(B)1-27(A)1-28(B)1-29(A)1-30(C)1-31(A.B.C.D)1-32(B.D)1-33(C)1-34(B)1-35(A.B.C.D)1-36(B)1-37(C)1-38(D)1-39(B)1-40(C)1-41(B)1-42(B)1-43(B)1-44(C)1-45(A)1-46(A)1-47(A)1-48(B)1-49(D)1-50(B.C.D)1-51(C)1-52(C)1-53(A)1-54(B)1-55(C)1-56(B)1-57(A)1-58(C)1-59(B)1-60(B)1-61(A.C)1-62(A.B.C.D)1-63(A.B.C.D)1-64(A)1-65(D)1-66(B)1-67(C)1-68(D)1-69(B)1-70(A)1-71(A.C)1-72(B)1-73(B.D)1-74(A)1-75(D)1-76(C)1-77(A.C.D)1-78(B)1-79(B.C)1-80(A.C)二短路電流計(jì)算(一)基本概念選擇題2-1(A.B.D)2-2(A.C.D)2-3(A.B.D)2-4(A.B.D)2-5(B)2-6(B)2-7(B)2-8(B)2-9(B)2-10(A.B.C)2-11(A.B)2-12(A.C)2-13(B)2-14(C)2-15(B)2-16(AB)2-17(C.D)2-18(A.B.C)2-19(A.B)2-20(A.B)2-21(A.B.C)2-22(A.C)2-23(A)2-24(B)2-25(A.D)2-26(A.D)2-27(B.D)2-28(B)2-29(B.D)2-30(B.C)2-31(A)2-32(A.D)2-33(A.B.C)2-34(A)2-35(B)(二)高壓系統(tǒng)元件阻抗計(jì)算選擇題2-36(B)由2-37(C)由2-38(C)由2-39(C)由2-40(C)由2-41(A)由2-42(B)2-43(A)由2-44(C)由(三)計(jì)算低壓側(cè)系統(tǒng)元件阻抗選擇題2-45(B)由2-46(C)由XS=0.995ZS=0.8×0.995=0.796mΩ2-47(A)由RS=0.1ZS=0.8×0.1=0.08mΩ2-48(B)由2-49(C)由2-50(B)由2-51(C)由2-52(A)由2-53(C)由RL=r0L=50×0.322=16.1mΩ2-54(C)由XL=x0L=0.0733×50=3.665mΩ2-55(A)由RL=r0L=0.0534×80=4.272mΩ2-56(B)由XL=x0L=0.0264×80=2.112mΩ(四)計(jì)算短路電流選擇題2-57(D)由2-58(B)由2-59(B)由IK(2)=0.866IK=0.866×18.86=16.33kA2-60(C)由但∴2-61(B)由ip2=75KchIrM=7.5×1×2.1=15.8kA則配電柜總沖擊電流ip=ip1+ip2=97.72+15.8=113.5kA即配電柜容許沖擊電流應(yīng)不小于113.5kA。2-62(C)由iip2=75KchIrM=7.5×1.6×0.112=1.344kA則高壓柜沖擊電流:ip=ip1+ip2=48.09+1.344=49.43kA2-63(C)由2-64(A)應(yīng)不小于35.2kA.2-65(C)由則動(dòng)穩(wěn)定容許沖擊電流應(yīng)不小于89.25kA。2-66(B)由則開關(guān)柜旳熱穩(wěn)定容許短路電流應(yīng)不小于38.33kA.2-67(B)由敏捷系數(shù)K=IKmin/Izd3=25.33/24=1.06,敏捷系數(shù)應(yīng)K≥1.5故敏捷度不夠。2-68(C)由即電纜截面應(yīng)選用120mm2旳電纜.三.電氣設(shè)備選擇3-1(B)3-2(D)3-3(D)3-4(A)3-5(D)3-6(C)3-7(C)3-8(A)3-9(A)3-10(C)3-11(A)3-12(D)3-13(C)3-14(B)3-15(A)3-16(C)3-17(B)3-18(B)3-19(D)3-20(C)3-21(D)3-22(B)3-23(C)3-24(B)3-25(A)3-26(D)3-27(C)3-28(A)3-29(B)3-30(A)3-31(D)3-32(D)3-33(D)3-34(C)3-35(B)3-36(B)3-37(A)3-38(B)3-39(C)3-40(D)3-41(C)3-42(A)3-43(A)3-44(A)3-45(C)3-46(B)3-47(D)3-48(D)3-49(D)3-50(C)3-51(B.C.D)3-52(B)3-53(C)3-54(B)3-55(D)3-56(C)3-57(A)3-58(D)3-59(A.B.C.D)3-60(B)或(C)3-61(A.C.D)3-62(A.B.C.D)3-63(A.B)3-64(A.B.C.D)3-65(A.B.C.D)3-66(A.B.C.D)3-67(A.B.C.D)3-68(A.B.C.D)3-69(A.B.C)3-70(A.B.C.D)3-71(A.B.C)3-72(A.B.C.D)3-73(A.B.C.D)3-74(A.B.C.D)3-75(A.B.C.D)3-76(A.B.C.D)3-77(B.D)3-78(A.B.C.D)3-79(B)3-80(D)3-81(A)3-82(B)3-83(A.B.C.D)3-84(A.B.C)3-85(A.B.C)3-86(B.C)3-87(A)3-88(B.D)3-89(A.B.C.D)3-90(A.B.C.D)3-91(B.C)3-92(C)3-93(C)3-94(B)3-95(C)3-96(A.B.C)3-97(B)3-98(A)3-99(B)3-100(D)3-101(D)3-102(A)3-103(C)3-104(B)四、防雷及過電壓保護(hù)4-1(A.B.C.D)4-2(A.B.C)4-3(A.B)4-4(B)4-5(A)4-6(A.B.C.D)4-7(A.C)4-8(A.B.C)4-9(A.B.C.D)4-10(B)4-11(A.B)4-12(A.B.C.D)4-13(A.B.C)4-14(A.C.D)4-15(A)4-16(D)4-17(B)4-181.(A.B.C)2(A.D.A)4-19(A)4-20(A)4-21(A.B.C.D)4-22(B.D)4-23(B.D)4-24(B.C)4-25(B.C)4-26(C)4-27(C)4-28(A.B.C)4-29(A.B.C)4-30(C.A.D)4-31(B.D)4-32(B.C)4-33(C.D)4-34(B.A)4-35(B.C)4-36(B.C)4-37(B.D)4-38(B.D)4-39(B.C)4-40(A.D)4-41(B.D)4-42(B.C.D)4-43(C)4-44(A.D)4-45(B.C)4-46(A.C)4-47(A.D)4-48(A)4-49(D.A)4-50(A)或(C)4-51(A.D)4-52(B.C)4-53(D.B)4-54(D)4-55(A.C.C.B)4-56(B.D)4-57(B.C)4-58(B.C)4-59(C)4-60.1(A)2(A)3(B)4(B)5(B)6(C)7(C)8(C)4-61(A)或(C)4-62(A)4-63(D)4-64(C.C)4-65(D)4-66(D)4-67(B)4-68(B)4-69(B)4-70(A.C)4-71(D.D)4-72(C)4-73(C.B)4-74(C)4-75(A.B)4-76(B.D.B.B)4-77(D)4-78(C.B)4-79(A.C)4-80(B)4-81(A.A)4-82(B)4-83(B)4-84(A)4-85(C)4-86(B)4-87(D)4-88(B.A)4-89(B.B)4-90(B)4-91(B)4-92(B.D)4-93(B)4-94(B)4-95(A)4-96(D.B)4-97(A.C)4-98(A)4-99(A.C.A)4-100(B)4-101(D.A)4-102(D.A)五.接地5-1(D)5-2(C)5-3(A)5-4(B)5-5(B)5-6(A)5-7(C)5-8(A)5-9(B)5-10(A)5-11(B)5-12(B)5-13(D)5-14(D)5-15(B)5-16(D)5-17(A)5-18(C)5-19(D)5-20(B)5-21(A.B.C)5-22(A.D)5-23(C.D)5-24(A.B.D)5-25(A.D)5-26(A.B)5-27(B)5-28(C.D)5-29(A.B)5-30(A.B)5-31(A.B.C)5-32(A.B)5-33(A.B.D)5-34(A.C.D)5-35(B.D)5-36(A.B)5-37(A.B.C.D)5-38(A.C.D)5-39(A.B.C)5-40(A.B.D)5-41(A.C.D)4-42(B.C.D)5-43(B.C.D)5-44(A.B.D)六.照明6-1(B)6-2(A.B.C.D)6-3(A)6-4(A.C.D)6-5(C)6-6(B)6-7(C)6-8(A.C.D)6-9(B)6-10(C)6-11(A)6-12(B)6-13(A.B.D)6-14(B)6-15(C)6-16(B.C.D)6-17(C)6-18(D)6-19(A)6-20(B)6-21(D)6-22(A.C.D)6-23(A.D)6-24(A.C)6-25(C)6-26(A)6-27(B)6-28(D)6-29(A)6-30(D)6-31(B)6-32(C)6-33(D)6-34(B)6-35(A)6-36(A)6-37(D)6-38(C)6-39(B)6-40(A.D)6-41(B)6-42(C)6-43(A.B.C)6-44(A.B.C.D)6-45(C)解:6-46(C)解:P=P0AE=0.0565×10×5.5×100=310.75(W)燈具數(shù)量N=310.75/40=7.77(盞)擬選用8盞40W熒光燈。式中:P-需要燈具功率(W)A-房間面積(m2)E-規(guī)定照度(lx)N-燈具數(shù)量(盞)P0-單位面積功率(W/m2)七.建筑智能化7-1(C)7-2(D)7-3(A.C.D)7-4(C.D)7-5(B.B)7-6(C)7-7(B.D)7-8(A.C.D)7-9(D)7-10(C)7-11(A.C)7-12(B.C)7-13(A.D)7-14(A.C.D)7-15(D)7-16(D)7-17(C)7-18(B)7-19(C)7-20(D)7-21(A.B.C.D)7-22(A.B.C.D)7-23(D)7-24(A)7-25(A.B.D)7-26(A)7-27(B)7-28(A.B.C)7-29(B)7-30(C)7-31(B)7-32(C)7-33(B)7-34(B)7-35(C)7-36(B)7-37(C)7-38(A)7-39(B)7-40(D)7-41(B.C)7-42(A)7-43(C)7-44(A.C.D)7-45(C)7-46(D)7-47(C)7-48(A)
7-49(C)7-50(A)7-51(A)7-52(A)7-53(D)7-54(A)7-55(B)7-56(C.B)7-57(A.C)7-58(C.D)7-59(B.D)7-60(B)7-61(C.D)7-62(A.D)7-63(A.C)7-64(A.C.D)7-65(A.B.C)7-66(A)7-67(C.D)7-68(B)7-69(D)7-70(B)7-71(A)7-72(C)7-73(C)7-74(A)7-75(D)7-76(B)7-77(B)7-78(B)7-79(B)7-80(A)7-81(B)7-82(D)7-83(A)7-84(A.D)7-85(A.B.D)7-86(A.B.C)7-87(C)7-88(D)7-89(B.D)7-90(A.B.D)7-91(B)7-92(B)7-93(C)7-94(A.B.D)7-95(C.D)7-96(A.B)7-97(A)7-98(B)7-99(B.C)7-100(C)7-101(D)7-102(A)7-103(A)7-104(B)7-105(A.C)7-106(A)7-107(D)7-108(A.B.C)7-109(C)7-110(B)7-111(A.B.D)7-112(D)7-113(A.B.C.D)7-114(C.D)7-115(D)7-116(A.C.D)7-117(A.B.C.D)7-118(D)7-119(C)7-120(A)7-121(A)7-122(C)7-123(C)7-124(C)7-125(B)7-126(B)7-127(C)7-128(A)7-129(B.C)7-130(B)7-131(C)7-132(B)7-133(A.B)7-134(A)7-135(D)7-136(D)7-137(C)7-138(A)7-139(A.B.D)7-140(B.C.D)7-141(C)7-142(B.C)7-143(C)7-144(B)7-145(C)7-146(A.B.C.D)7-147(B)7-148(C)7-149(C)7-150(D)7-151(B)7-152(B)7-153(C)7-154(A)7-155(C)7-156(B)7-157(C.D)7-158(C)7-159(C)7-160(B)7-161(A.C.D)7-162(B.C)7-163(B)7-164(A.B.C.D)7-165(D)7-166(C)7-167(A)7-168(B)7-169(A)7-170(B)7-171(C)7-172(D) 7-173(B) 7-174(A.B.D)7-175(D) 7-176(B) 7-177(C.A.E.D.B)7-178(C) 7-179(A.C.B.D)7-180(B.C)7-181(A.B) 7-182(B) 7-183(A.B.C)7-184(B) 7-185(A) 7-186(B)7-187(A) 7-188(C) 7-189(A)7-190(A.C) 7-191(A) 7-192(B)7-193(A) 7-194(A) 7-195(A)7-196(A) 7-197(A) 7-198(B)7-1
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