用電檢查員職業(yè)鑒定考試題庫(kù)高級(jí)工

經(jīng)典word整理文檔，僅參考，轉(zhuǎn)Word此處可刪除頁(yè)眉頁(yè)腳。本資料屬于網(wǎng)絡(luò)整理，如有侵權(quán)，請(qǐng)聯(lián)系刪除，謝謝！4.1.1下列每題都有4號(hào)內(nèi)。）DA的4。。5DI工種：—061第1頁(yè)LDD。次次次次D為DΩΩΩΩD。工種：—061第2頁(yè)5DD將。B％AD1234DB工種：—061第3頁(yè)Y006130工種：—061第4頁(yè)工種：—061第5頁(yè)工種：—061第6頁(yè)工種：—061第7頁(yè)LIRUCPR2I20.320.3ZRXXZR()222222LLLX2.23HP200.303cosLS2200.372.3631.799110.8522P20tgtg)tg72.3631.79)5.2107F0.52FtgCV22352F1233R1R2E3C3R33工種：—061第8頁(yè)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工種：—061第9頁(yè)U。2UU2IURL1UU2U1U1UUU2V22221UU9021U290V2402sinwt90VU2720(h)100%56%0.85P1P22100%92100%92%P1001有150103PWP208KWh30241201033024hQk167var工種：—061第10頁(yè)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工種：—061第11頁(yè)P(yáng)P22.40.641.536()cu21PPPP800.61.53682.136(kw)280P所以100%97.4%scP82.136sr年5coscos(tg(Q/p)0.81A為5萬(wàn)311PUI)UI(cossin)UI(3)costg222CBC3UIcos23更正系數(shù)為:KPP1(3)tgPUI(3tg)cos223(31.39當(dāng),3650,tg則KP更正率為:(K100%100%39%PP應(yīng)追補(bǔ)電量為:A39%5000019500kwh)P答:h(元工種：—061第12頁(yè)1000101000000.2元/kWh100000100010x0.300.05x和6元PVIcos工種：—061第13頁(yè)P(yáng)332cos0.82P63003350.8130113(mm2)I130AUcoseISJ1.152采用的鋼芯鋁紋線，計(jì)算供電電壓是否合格線路參數(shù)2R/KM,X0.4/km）00ZRX(0.2116)(0.46)(2.4)2222221.6035.767.3632.7157.74ASIe17.32V3eVVIZ156.48V%100%1.56%100007