用电检查员职业鉴定考试题库高级工

经典word整理文档，仅参考，转Word此处可删除页眉页脚。本资料属于网络整理，如有侵权，请联系删除，谢谢！4.1.1下列每题都有4号内。）DA的4。。5DI工种：—061第1页LDD。次次次次D为DΩΩΩΩD。工种：—061第2页5DD将。B％AD1234DB工种：—061第3页Y006130工种：—061第4页工种：—061第5页工种：—061第6页工种：—061第7页LIRUCPR2I20.320.3ZRXXZR()222222LLLX2.23HP200.303cosLS2200.372.3631.799110.8522P20tgtg)tg72.3631.79)5.2107F0.52FtgCV22352F1233R1R2E3C3R33工种：—061第8页UsIRsRUsURIRRs5RsRRaS+UsR-bRSeeIIS2.75AIee3U310.5e2.75/72.2ASPe0PPk2PScos100%2e2(cos)100%140(200100%PS2e287.5%(P/P)100%21PPPP1400.4(0.875)2.2kW22120K所以(140/142.08)100%98.5%UR和L50V,U302sintV1工种：—061第9页U。2UU2IURL1UU2U1U1UUU2V22221UU9021U290V2402sinwt90VU2720(h)100%56%0.85P1P22100%92100%92%P1001有150103PWP208KWh30241201033024hQk167var工种：—061第10页SP2Q220821672267KVAP208cos0.78S267267320S100%100%83%SeU12AIU30.42e22sina2Ud%I2HI1002e302sin20.259A2I252H。3037.5KvarPScos0.8QSP22.5Kvar22PRQX300.3722.50.14U37.5VU0.3837.5UU%100%380100%9.8%UP0.6kwFe2.4，kwPcu1工种：—061第11页PP22.40.641.536()cu21PPPP800.61.53682.136(kw)280P所以100%97.4%scP82.136sr年5coscos(tg(Q/p)0.81A为5万311PUI)UI(cossin)UI(3)costg222CBC3UIcos23更正系数为:KPP1(3)tgPUI(3tg)cos223(31.39当,3650,tg则KP更正率为:(K100%100%39%PP应追补电量为:A39%5000019500kwh)P答:h(元工种：—061第12页1000101000000.2元/kWh100000100010x0.300.05x和6元PVIcos工种：—061第13页P332cos0.82P63003350.8130113(mm2)I130AUcoseISJ1.152采用的钢芯铝纹线，计算供电电压是否合格线路参数2R/KM,X0.4/km）00ZRX(0.2116)(0.46)(2.4)2222221.6035.767.3632.7157.74ASIe17.32V3eVVIZ156.48V%100%1.56%100007