三相異步電動機的參數(shù)測定行業(yè)資料國內(nèi)外標(biāo)準(zhǔn)規(guī)范

15.805.848.0390.67101.5108.311.7164.2603.6333.0582.1585.9445負(fù)載與電機脫開，即不加負(fù)載。b.把交流調(diào)壓器的電壓調(diào)至最小位14.7814.9714.9815.0815.0314.7515.805.848.0390.67101.5108.311.7164.2603.6333.0582.1585.9445負(fù)載與電機脫開，即不加負(fù)載。b.把交流調(diào)壓器的電壓調(diào)至最小位14.7814.9714.9815.0815.0314.75日12mm12圖2-1三相異步電動機參數(shù)測定接線圖.v.14.7814.9714.9815.0815.0314.757690.7101.5108.4113.7116.3117.1.6363.4335.1303.5276.7244.7201111.6105.42.312.813.354.114.714.7814.9714.9815.0815.0314.757690.7101.5108.4113.7116.3117.1.6363.4335.1303.5276.7244.7201111.6105.42.312.813.354.114.7〔3〕當(dāng)施加電壓從零逐漸增加，到達(dá)某值時，電機開場啟動，然后逐漸測量定子繞組的冷態(tài)直流電組，用數(shù)字萬用表測量三個定子繞組r值，12mm12.v題１．空載電流大約是額定電流的百分之幾？異步電動機的空載電流3.092.672.382.091.821.68-96-6875.9015.4415.0864.674.1993.6031.6363.4335.1303.5276.7244.720序號U題１．空載電流大約是額定電流的百分之幾？異步電動機的空載電流3.092.672.382.091.821.68-96-6875.9015.4415.0864.674.1993.6031.6363.4335.1303.5276.7244.720序號UBCCA0P.表2-1U0〔V〕UABUUABICI0P0〔W〕PP0Z00R0X0123456783604428678528954-96-68-48-32-20-8-658162547316411511043〔2〕短路實驗倍額定電流，在此范圍內(nèi)讀取短路電壓、短路電流和短路功率，并將數(shù)據(jù)記錄于表3-2。序Uk〔V〕Pk〔W〕kZkkkRkkXk.v為閉合的鐵芯，所以異步電動機主磁路的磁阻比三相變壓器磁阻大，80.876.5170.2563.7754.3646.563步電動機和三相變壓器的容量、電壓一樣，那么所建立的磁場也應(yīng)一置，接通電源，逐漸升高電壓，是電動機旋轉(zhuǎn)，并注意電機的旋轉(zhuǎn)方AB為閉合的鐵芯，所以異步電動機主磁路的磁阻比三相變壓器磁阻大，80.876.5170.2563.7754.3646.563步電動機和三相變壓器的容量、電壓一樣，那么所建立的磁場也應(yīng)一置，接通電源，逐漸升高電壓，是電動機旋轉(zhuǎn)，并注意電機的旋轉(zhuǎn)方AB000m01.號UUBCCAAUUkCAAIBICkIkPIPP123456782765195936479627157665557701604125253440704260R03I200Z2R2，其1m3I2Fe0.vvv470.4763.7954.5646.6232.9786.2.7164.2603.6333.0582.1585.9445會、1.371.3751.401.441.421.3614.580HFemecmec470.4763.7954.5646.6232.9786.2.7164.2603.6333.0582.1585.9445會、1.371.3751.401.441.421.3614.580HFemecmec短路阻抗ZkZ2R2kkRkXk12Xk即作出Pf(U2)曲線，在U2時對應(yīng)的P,P。P可取P0縱軸的交點，線段OK的長度表示機械損耗P。mecUIkU,I,P分別是短路相電壓、短路相電流、三相短路功率之和。讓電動機過熱而燒壞。五、實驗小結(jié)〔包括問題和解決方法、心得體曲線，在U2時對應(yīng)的P,P讓電動機過熱而燒壞。五、實驗小結(jié)〔包括問題和解決方法、心得體曲線，在U2時對應(yīng)的P,P。P可取P0縱軸的交點，線段OK的43.63.12.72.42.11.81.64.433.5862.8334.5303.2276.824