AONE/A-ONE AUTOVALVE,AD80-40P 40 1-1/2″售后保障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
LCD-1000S LCD-1100S LCD-1200S LCD-1300S LCD-1400S LCD-1500S
LCD-2000S LCD-2100S LCD-2200S LCD-2300S LCD-2400S LCD-2500S
LCD-3000S LCD-3100S LCD-3200S LCD-3300S LCD-3400S LCD-3500S
LCD-1010S LCD-1110S LCD-1210S LCD-1310S LCD-1410S LCD-1510S
LCD-2010S LCD-2110S LCD-2210S LCD-2310S LCD-2410S LCD-2510S
LCD-3010S LCD-3110S LCD-3210S LCD-3310S LCD-3410S LCD-3510S
LCD-1020S LCD-1120S LCD-1220S LCD-1320S LCD-1420S LCD-1520S
LCD-2020S LCD-2120S LCD-2220S LCD-2320S LCD-2420S LCD-2520S
LCD-3020S LCD-3120S LCD-3220S LCD-3320S LCD-3420S LCD-3520S
LCD-1001S LCD-1101S LCD-1201S LCD-1301S LCD-1401S LCD-1501S
LCD-2001S LCD-2101S LCD-2201S LCD-2301S LCD-2401S LCD-2501S
LCD-3001S LCD-3101S LCD-3201S LCD-3301S LCD-3401S LCD-3501S
LCD-1011S LCD-1111S LCD-1211S LCD-1311S LCD-1411S LCD-1511S
LCD-2011S LCD-2111S LCD-2211S LCD-2311S LCD-2411S LCD-2511S
LCD-3011S LCD-3110S LCD-3211S LCD-3311S LCD-3411S LCD-3511S
LCD-1021S LCD-1121S LCD-1221S LCD-1321S LCD-1421S LCD-1521S
LCD-2021S LCD-2121S LCD-2221S LCD-2321S LCD-2421S LCD-2521S
LCD-3021S LCD-3121S LCD-3221S LCD-3321S LCD-3421S LCD-3521S
LCD-1002S LCD-1102S LCD-1202S LCD-1302S LCD-1402S LCD-1502S
LCD-2002S LCD-2102S LCD-2202S LCD-2302S LCD-2402S LCD-2502S
LCD-3002S LCD-3102S LCD-3202S LCD-3302S LCD-3402S LCD-3502S
AONE/A-ONE AUTOVALVE,AD80-40P 40 1-1/2″售后保障 7.三相四線有功電度表(DT型),可對三相四線對稱或不對稱負載作有功電量的計量;而三相三線有功電度表(DS型),僅可對三相三線對稱或不對稱負載作有功電量的計量。例某三相四線負荷電流為361A,經(jīng)電流互感器接線的三相有功電度表作有功是量計量?! 、浦担ǚ担┙涣麟娫谧兓^程中所出現(xiàn)的瞬時值叫做值(幅值),它是簡諧交流電的振幅。交流電幅值通常用英文大寫字母加下標m表示,如用Im、Um、Em分別表示交流電流、電壓和電動勢的值。⑶有效值一個交流電流的作功能力相當于某一數(shù)值的直流電流的作功能力,這個直流電流的數(shù)值就是該交流電的有效值。
漏電開關的容量額定電流是100A、(沒有所選的只能向上一個規(guī)格)。63A、32A。漏電開關的額定動作電流選中位數(shù)。選用30毫安的。如選10毫安的與支路所選用的重復一旦出現(xiàn)漏電電流故障會總開關斷總電源支路不斷的現(xiàn)象。
交流器的選擇(1)器極數(shù)和電流種類的確定。(2)根據(jù)器所控制負載的工作任務來選擇相應使用類別的器。(3)根據(jù)負載功率和操作情況來確定器主觸頭的電流等級。(4)根據(jù)器主觸頭接通與分斷主電路電壓等級來決定器的額定電壓?! 〗釉诙魏徒拥叵鄬慕^緣監(jiān)察電壓表Ua=0,而其它兩相Ub、Uc的電壓升高到倍,即上升到線電壓(10KV系統(tǒng)為10KV)。此時工作線圈二次側(cè)對地電壓為Ua=0、Ub=0、Uc=100V。②當A相經(jīng)電弧或高電阻接地時,則Ua電壓指示低于相電壓,但未達到0。
LCD-1012S LCD-1112S LCD-1212S LCD-1312S LCD-1412S LCD-1512S
LCD-2012S LCD-2112S LCD-2212S LCD-2312S LCD-2412S LCD-2512S
LCD-3012S LCD-3110S LCD-3212S LCD-3312S LCD-3412S LCD-3512S
LCD-1022S LCD-1122S LCD-1222S LCD-1322S LCD-1422S LCD-1522S
LCD-2022S LCD-2122S LCD-2222S LCD-2322S LCD-2422S LCD-2522S
LCD-3022S LCD-3122S LCD-3222S LCD-3322S LCD-3422S LCD-3522S
LCD-1003S LCD-1103S LCD-1203S LCD-1303S LCD-1403S LCD-1503S
LCD-2003S LCD-2103S LCD-2203S LCD-2303S LCD-2403S LCD-2503S
LCD-3003S LCD-3103S LCD-3203S LCD-3303S LCD-3403S LCD-3503S
LCD-1013S LCD-1113S LCD-1213S LCD-1313S LCD-1413S LCD-1513S
LCD-2013S LCD-2113S LCD-2213S LCD-2313S LCD-2413S LCD-2513S
AONE/A-ONE AUTOVALVE,AD80-40P 40 1-1/2″售后保障 ◆具備參數(shù)備份和恢復出廠設置功能YR-RJD系列高性能通用溫控器具有恢復出廠設置和參數(shù)存儲功能(用戶可備份已經(jīng)調(diào)試好的參數(shù);儀表在儀表內(nèi)置多組不同工況的PID參數(shù),用戶調(diào)出即可使用),可以設備廠商服務成本。YR-RJD系列高性能通用溫控器通過引進2自由度PID控制方式,在保留PID優(yōu)點的同時,可同時滿足目標值響應和響應。 3、按用途分:1)電力變壓器:用于輸配電系統(tǒng)的升、降電壓。2)儀用變壓器:如電壓互感器、電流互感器、用于測量儀表和繼電保護裝置。3)試驗變壓器:能產(chǎn)生高壓,對電氣設備進行高壓試驗。4)特種變壓器:如電爐變壓器、整流變壓器、調(diào)整變壓器、電容式變壓器、移相變壓器等。
使用范圍最高不得超過度盤滿刻度的3/4。質(zhì)量要求編輯1、一般壓力表的彈簧管是具有一定橫截面壓力表(圖16)形狀(常用的有扁平圓和近似橢圓形兩種),彎曲成“C”形,而且能滿足一定彈性要求的管狀彈簧。如果彈簧管太小,就會影響壓力表的準確度等級。
在使用中有時電磁繼電器會出現(xiàn)隱性故障,就是常見的電磁繼電器響應不迅速,但萬用表檢查又正常,這時如有條件可以檢測一下電磁繼電器的電壓動作值和返回值。,說通俗點就是繼電器銜鐵的吸合電壓和釋放電壓,可以從這兩個電壓判斷出繼電器到底怎么樣。 假如空調(diào)功率是、380V電壓供電,則該空調(diào)正常工作的回路電流是:735瓦*3/380V=5.8A,加上一定的余量電流,則該空調(diào)漏電、短路保護跳閘電流選擇額定電流為16A的空氣開關即可,此時額定電流為20A空氣開關就過大了。
LCD-3013S LCD-3110S LCD-3213S LCD-3313S LCD-3413S LCD-3513S
LCD-1023S LCD-1123S LCD-1223S LCD-1323S LCD-1423S LCD-1523S
LCD-2023S LCD-2123S LCD-2223S LCD-2323S LCD-2423S LCD-2523S
LCD-3023S LCD-3123S LCD-3223S LCD-3323S LCD-3423S LCD-3523S
LCD-1004S LCD-1104S LCD-1204S LCD-1304S LCD-1404S LCD-1504S
LCD-2004S LCD-2104S LCD-2204S LCD-2304S LCD-2404S LCD-2504S
LCD-3004S LCD-3104S LCD-3204S LCD-3304S LCD-3404S LCD-3504S
LCD-1014S LCD-1114S LCD-1214S LCD-1314S LCD-1414S LCD-1514S
LCD-2014S LCD-2114S LCD-2214S LCD-2314S LCD-2414S LCD-2514S
LCD-3014S LCD-3110S LCD-3214S LCD-3314S LCD-3414S LCD-3514S
LCD-1024S LCD-1124S LCD-1224S LCD-1324S LCD-1424S LCD-1524S
LCD-2024S LCD-2124S LCD-2224S LCD-2324S LCD-2424S LCD-2524S
LCD-3024S LCD-3124S LCD-3224S LCD-3324S LCD-3424S LCD-3524S
這時器輔助觸頭的下端就開始起作用了,輔助觸頭的下端是一直有電的,啟動按鈕按下以后線圈工作上下觸點聯(lián)通,吸合以后輔助觸頭下端電源和啟動按鈕同時跟線圈A2端送電,啟動按鈕松開不給A2送電,但是輔助觸頭下端??! ‰妷夯ジ衅魇菍㈦娏ο到y(tǒng)的一次電壓按一定變比縮小為要求的二次電壓,向測量表計和繼電器供電,其工作原理與變壓器基本相同。電壓互感器通常有單相、三相三柱式、三相五柱式電壓互感器等幾種,由于使用方法不同,各有優(yōu)、缺點。