韓國AUTOMA,AS80,AS100,制造廠家中山立訊電氣有限公司直銷中山立訊電氣有限公司銷售韓國DONGYANG F&C 氫氧化鈉自動閥
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DONGYANG F&C 氫氧化鈉自動閥
BCS-1000S BCS-1100S BCS-1200S BCS-1300S BCS-1400S BCS-1500S
BCS-2000S BCS-2100S BCS-2200S BCS-2300S BCS-2400S BCS-2500S
BCS-3000S BCS-3100S BCS-3200S BCS-3300S BCS-3400S BCS-3500S
BCS-1010S BCS-1110S BCS-1210S BCS-1310S BCS-1410S BCS-1510S
BCS-2010S BCS-2110S BCS-2210S BCS-2310S BCS-2410S BCS-2510S
BCS-3010S BCS-3110S BCS-3210S BCS-3310S BCS-3410S BCS-3510S
BCS-1020S BCS-1120S BCS-1220S BCS-1320S BCS-1420S BCS-1520S
BCS-2020S BCS-2120S BCS-2220S BCS-2320S BCS-2420S BCS-2520S
BCS-3020S BCS-3120S BCS-3220S BCS-3320S BCS-3420S BCS-3520S
BCS-1001S BCS-1101S BCS-1201S BCS-1301S BCS-1401S BCS-1501S
(3)瞬時電流整定值≥1.1X(Ijx+k1kIedm)Ijx線路計算負(fù)載電流;k1電動機起動電流的沖擊系數(shù),一般取k1=1.7-2;k電動機起動電流倍數(shù);Icdm一臺電動機的額定電流220kV斷路器開斷的額定電流選取,就是課本上的短路電流計算,額定開端電流是?! ∩蠄D為主副繞組接線方式,及改變轉(zhuǎn)向的兩種連接方法,單相電動機一般副繞組電阻值比主繞組略大。即用萬用表R檔測量電阻大的為副繞組線圈,小的為主繞組線圈。電容30UF為運行,200UF為起動。二、結(jié)構(gòu)原理電容分相電動機的轉(zhuǎn)子繞組是澆筑成型的鼠籠式,定子上饒有2組空間上相差90°的啟動繞組B和工作繞組A,從而電角度ω為90°的兩相交變電流,保證磁場的形成條件?! ‰妷夯ジ衅鱲v接線,由兩只單相電壓互感器組成的V-V形接線時,其一次側(cè)是不允許接地的,因為這相當(dāng)于系統(tǒng)的一相直接接地。但對這樣的單相電壓互感器,哪一個引出端當(dāng)A,哪一個引出端當(dāng)X都無所謂,只是需要將電壓互感器的二次引出端和一次相對應(yīng)就行,而應(yīng)在二次中性點接地,如下圖所示。
BCS-2001S BCS-2101S BCS-2201S BCS-2301S BCS-2401S BCS-2501S
BCS-3001S BCS-3101S BCS-3201S BCS-3301S BCS-3401S BCS-3501S
BCS-1011S BCS-1111S BCS-1211S BCS-1311S BCS-1411S BCS-1511S
BCS-2011S BCS-2111S BCS-2211S BCS-2311S BCS-2411S BCS-2511S
BCS-3011S BCS-3110S BCS-3211S BCS-3311S BCS-3411S BCS-3511S
BCS-1021S BCS-1121S BCS-1221S BCS-1321S BCS-1421S BCS-1521S
BCS-2021S BCS-2121S BCS-2221S BCS-2321S BCS-2421S BCS-2521S
BCS-3021S BCS-3121S BCS-3221S BCS-3321S BCS-3421S BCS-3521S
BCS-1002S BCS-1102S BCS-1202S BCS-1302S BCS-1402S BCS-1502S
BCS-2002S BCS-2102S BCS-2202S BCS-2302S BCS-2402S BCS-2502S
BCS-3002S BCS-3102S BCS-3202S BCS-3302S BCS-3402S BCS-3502S
BCS-1012S BCS-1112S BCS-1212S BCS-1312S BCS-1412S BCS-1512S
BCS-2012S BCS-2112S BCS-2212S BCS-2312S BCS-2412S BCS-2512S
BCS-3012S BCS-3110S BCS-3212S BCS-3312S BCS-3412S BCS-3512S
BCS-1022S BCS-1122S BCS-1222S BCS-1322S BCS-1422S BCS-1522S
BCS-2022S BCS-2122S BCS-2222S BCS-2322S BCS-2422S BCS-2522S
BCS-3022S BCS-3122S BCS-3222S BCS-3322S BCS-3422S BCS-3522S
BCS-1003S BCS-1103S BCS-1203S BCS-1303S BCS-1403S BCS-1503S
BCS-2003S BCS-2103S BCS-2203S BCS-2303S BCS-2403S BCS-2503S
BCS-3003S BCS-3103S BCS-3203S BCS-3303S BCS-3403S BCS-3503S
2.種類及特點時間繼電器的種類很多,主要有空氣阻尼式、電磁式、電動式和電子式。①空氣阻尼式時間繼電器又稱為氣囊式時間繼電器,它是根據(jù)空氣壓縮產(chǎn)生的阻力來進(jìn)行延時的,其結(jié)構(gòu)簡單,價格便宜,延時范圍大(0.4~180s),但延時度低。
BCS-1013S BCS-1113S BCS-1213S BCS-1313S BCS-1413S BCS-1513S
BCS-2013S BCS-2113S BCS-2213S BCS-2313S BCS-2413S BCS-2513S
BCS-3013S BCS-3110S BCS-3213S BCS-3313S BCS-3413S BCS-3513S
BCS-1023S BCS-1123S BCS-1223S BCS-1323S BCS-1423S BCS-1523S
滑環(huán)電刷的注意事項:在運行中的發(fā)電機滑環(huán)電刷上工作時,工作人員應(yīng)穿絕緣鞋或鋪膠皮墊,使用絕緣良好的工具并應(yīng)采取防止短路及接地的措施.當(dāng)勵磁系統(tǒng)有一點接地時,更應(yīng)注意.禁止同時用兩手發(fā)電機勵磁回路和接地。
BCS-2023S BCS-2123S BCS-2223S BCS-2323S BCS-2423S BCS-2523S
BCS-3023S BCS-3123S BCS-3223S BCS-3323S BCS-3423S BCS-3523S
BCS-1004S BCS-1104S BCS-1204S BCS-1304S BCS-1404S BCS-1504S
BCS-2004S BCS-2104S BCS-2204S BCS-2304S BCS-2404S BCS-2504S
BCS-3004S BCS-3104S BCS-3204S BCS-3304S BCS-3404S BCS-3504S
BCS-1014S BCS-1114S BCS-1214S BCS-1314S BCS-1414S BCS-1514S
BCS-2014S BCS-2114S BCS-2214S BCS-2314S BCS-2414S BCS-2514S
BCS-3014S BCS-3110S BCS-3214S BCS-3314S BCS-3414S BCS-3514S
BCS-1024S BCS-1124S BCS-1224S BCS-1324S BCS-1424S BCS-1524S
BCS-2024S BCS-2124S BCS-2224S BCS-2324S BCS-2424S BCS-2524S
BCS-3024S BCS-3124S BCS-3224S BCS-3324S BCS-3424S BCS-3524S
根據(jù)“化工自控設(shè)計技術(shù)規(guī)定”,在測量穩(wěn)定壓力時,最大工作壓力不應(yīng)超過測量上限值的2/3;測量脈動壓力時,最大工作壓力不應(yīng)超過測量上限值的1/2;測量高壓時,最大工作壓力不應(yīng)超過測量上限值的3/5。一般被測壓力的最小值應(yīng)不低于儀表測量上限值的1/3?! ?5、電壓指數(shù)上升率dv/dt:繼電器的輸出元件能夠承受的不使其導(dǎo)通的電壓上升率。16、工作溫度:繼電器安規(guī)范安裝或不安裝散熱板時,其正常工作的環(huán)境溫度范圍。功率固態(tài)繼電器的特性參數(shù)包括輸入和輸出參數(shù),下面以北京科通繼電器總廠生產(chǎn)的GX-10F繼電器為例,列出輸入、輸出參數(shù),詳見表1,根據(jù)輸入電壓參數(shù)值大小,可確定工作電壓大小。