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DONGYANG F&C 氫氧化鈉自動(dòng)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

　　標(biāo)準(zhǔn)中提供的電流值為故障電流交流分量的均方根值，計(jì)算標(biāo)準(zhǔn)值時(shí)直流暫態(tài)分量（總在壞的情況短路下出現(xiàn)）假定為零。工業(yè)用斷路器額定值（Icu）和家用斷路器額定值（Icn）通常以kA均方根值的形式給出。短路分?jǐn)嗄芰Γ↖cs）：斷路器的額定分?jǐn)嗄芰Ψ譃轭~定極限短路分?jǐn)嗄芰皖~定運(yùn)行短路分?jǐn)嗄芰煞N?！　∵\(yùn)行中的電流互感器，為什么不能開路。原理是什么。開路會(huì)有怎么樣的后果。大部分電工經(jīng)常會(huì)聽到這樣的：“電流互感器的二次側(cè)不能開路，電壓互感器二次側(cè)不能短路”。在工作中，大家一定會(huì)把這句話當(dāng)做“圣經(jīng)”一樣對(duì)待，拆除電流互感器二次線時(shí)，先用短接片或短接線把二次側(cè)短接，然后再進(jìn)行拆線或接線工作，這樣才能保證人的，是非常正確的做法?！　∥⒂^模型圖：設(shè)定單位時(shí)間t，此時(shí)間內(nèi)圓柱所有電荷通過了D界面向右側(cè)運(yùn)動(dòng)。通過的粒子總數(shù)為N=nV；（V指的是圓柱體的體積）通過的總電荷量為Q=qnV；體積公式V=Sl=Svt；Q=qnV=qnSvt通過電流的基本定義式，不難得出I=Q/t=qnSv；推導(dǎo)完畢。

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

　　5.2能源計(jì)量人員5.2.1用能單位應(yīng)設(shè)專人負(fù)責(zé)能源計(jì)量器具的管理，負(fù)責(zé)能源計(jì)量器具的配備、使用、檢定(校準(zhǔn))、維修、報(bào)廢等管理工作。5.2.2用能單位應(yīng)設(shè)專人負(fù)責(zé)主要次級(jí)用能單位和主要用能設(shè)備能源計(jì)量器具的管理。5.2.3用能單位的能源計(jì)量管理人員應(yīng)通過的培訓(xùn)考核，持證上崗；用能單位應(yīng)建立和保存能源計(jì)量管理人員的技術(shù)檔案。

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

　　三、主要參數(shù)繼電器主要有額定參數(shù)、動(dòng)作特性參數(shù)和整定參數(shù)三大類參數(shù)。1：整定參數(shù)如整定值、重復(fù)精度、整定誤差、額定工作制、觸點(diǎn)通斷能力、觸點(diǎn)可靠性、機(jī)械壽命和電壽命、繼電器靈敏度等。2:動(dòng)作特性參數(shù)如返回系數(shù)（或稱恢復(fù)系數(shù)）、儲(chǔ)備系數(shù)（也稱系數(shù)）、控制系數(shù)以及響應(yīng)時(shí)間、動(dòng)作時(shí)間和釋放時(shí)間等。

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

　　在使用中有時(shí)電磁繼電器會(huì)出現(xiàn)隱性故障，就是常見的電磁繼電器響應(yīng)不迅速，但萬用表檢查又正常，這時(shí)如有條件可以檢測(cè)一下電磁繼電器的電壓動(dòng)作值和返回值。，說通俗點(diǎn)就是繼電器銜鐵的吸合電壓和釋放電壓，可以從這兩個(gè)電壓判斷出繼電器到底怎么樣。
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

廠家供應(yīng)KVC CO,KVC900-S9設(shè)備制造廠家　　(2)負(fù)荷的原因。如家里用電量過大等。(3)空氣開關(guān)的原因。如空氣開關(guān)的質(zhì)量不過關(guān)、不良等。圖配電箱接線原理圖結(jié)合用戶對(duì)故障經(jīng)過的描述，用戶白天長(zhǎng)期上班，家中門窗常常處于關(guān)閉狀態(tài)。在多雨季節(jié)，房子里的空氣過于，如果電線的質(zhì)量不過關(guān)，或空開和線路的連接處不良等都可能造成上述故障。
　　而電流互感器的極性則是反應(yīng)在同一瞬間（假設(shè)0點(diǎn)），一次電流流入和二次繞組流出的關(guān)系，即電流從CT的一次繞組流入（L1→一次繞組→L2），在二次側(cè)感應(yīng)出的電流也在瞬間流出（K1→二次繞組→二次負(fù)荷→K2）的關(guān)系，這種“復(fù)雜的瞬間實(shí)現(xiàn)的一一對(duì)應(yīng)關(guān)系就叫極性”。

 　　P—是電機(jī)輸入有功功率U—是電機(jī)電源輸入的線電壓I—是電機(jī)電源輸入的線電流cosj—是電機(jī)的功率因數(shù)j—是相電壓與相電流的相位差角二、三相異步電機(jī)功率計(jì)算公式推導(dǎo)三相對(duì)稱負(fù)載電路總功率等于3乘以每相的功率，即P=3*u*?！　∨卸ū粶y(cè)物是否符合標(biāo)準(zhǔn)，我們引用了峰值，準(zhǔn)峰值和平均值三個(gè)值來判定，考慮到不同標(biāo)準(zhǔn)的差異，可直接調(diào)用GB17743、FCC、EN55015、GB4343等判定標(biāo)準(zhǔn)。（本文：力汕電子科技（上海）干亞飛）更多LED，請(qǐng)點(diǎn)擊LED網(wǎng)或公眾賬 （cnledw2013）。