產(chǎn)品詳情
SCONINC變換器SCONI-1000L-227Y,出售云永WYZS-102HDAEYEON轉(zhuǎn)換器;DY-LSC-11AAY DY-LSC-12AAY DY-LSC-13AAY DY-LSC-14AAY DY-LSC-15AAY DY-LSC-16AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-1AAAY DY-LSC-1BAAY DY-LSC-1CAAY DY-LSC-1DAAY DY-LSC-1OAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-21AAY DY-LSC-22AAY DY-LSC-23AAY DY-LSC-24AAY DY-LSC-25AAY DY-LSC-26AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-2AAAY DY-LSC-2BAAY DY-LSC-2CAAY DY-LSC-2DAAY DY-LSC-2OAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-31AAY DY-LSC-32AAY DY-LSC-33AAY DY-LSC-34AAY DY-LSC-35AAY DY-LSC-36AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-3AAAY DY-LSC-3BAAY DY-LSC-3CAAY DY-LSC-3DAAY DY-LSC-3OAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-41AAY DY-LSC-42AAY DY-LSC-43AAY DY-LSC-44AAY DY-LSC-45AAY DY-LSC-46AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-4AAAY DY-LSC-4BAAY DY-LSC-4CAAY DY-LSC-4DAAY DY-LSC-4OAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-51AAY DY-LSC-52AAY DY-LSC-53AAY DY-LSC-54AAY DY-LSC-55AAY DY-LSC-56AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-5AAAY DY-LSC-5BAAY DY-LSC-5CAAY DY-LSC-5DAAY DY-LSC-5OAAY
退磁檢查電流互感器在電流突然下降的情況下,互感器鐵芯可能產(chǎn)生剩磁。如電流互感器在大電流情況下突然切斷電源、二次繞組突然開路等?;ジ衅麒F芯有剩磁,使鐵芯磁導率下降,影響互感器性能。長期使用后的互感器都應該退磁?;ジ衅鳈z驗前也要退磁。退磁就是通過一次或二次繞組以交變的勵磁電流,給鐵芯以交變的磁場。從0開始逐漸加大交變的磁場(勵磁電流)使鐵芯達到飽和狀態(tài),然后再慢慢減小勵磁電零,以剩磁。對于電流互感器退磁,一次繞組開路,二次繞組通以工頻電流,從零開始逐漸到一定的電流值(該電流值與互感器的設計測量上限有關,一般為額定電流的20-50%左右。可以電流互感器電流互感器這樣判斷,如果電流突然急劇變大。
DAEYEON轉(zhuǎn)換器;DY-LSC-61AAY DY-LSC-62AAY DY-LSC-63AAY DY-LSC-64AAY DY-LSC-65AAY DY-LSC-66AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-6AAAY DY-LSC-6BAAY DY-LSC-6CAAY DY-LSC-6DAAY DY-LSC-6OAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-A1AAY DY-LSC-A2AAY DY-LSC-A3AAY DY-LSC-A4AAY DY-LSC-A5AAY DY-LSC-A6AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-AAAAY DY-LSC-ABAAY DY-LSC-ACAAY DY-LSC-ADAAY DY-LSC-AOAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-B1AAY DY-LSC-B2AAY DY-LSC-B3AAY DY-LSC-B4AAY DY-LSC-B5AAY DY-LSC-B6AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-BAAAY DY-LSC-BBAAY DY-LSC-BCAAY DY-LSC-BDAAY DY-LSC-BOAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-C1AAY DY-LSC-C2AAY DY-LSC-C3AAY DY-LSC-AAY DY-LSC-C5AAY DY-LSC-C6AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-CAAAY DY-LSC-CBAAY DY-LSC-CCAAY DY-LSC-CDAAY DY-LSC-COAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-D1AAY DY-LSC-D2AAY DY-LSC-D3AAY DY-LSC-D4AAY DY-LSC-D5AAY DY-LSC-D6AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-DAAAY DY-LSC-DBAAY DY-LSC-DCAAY DY-LSC-DDAAY DY-LSC-DOAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-O1AAY DY-LSC-O2AAY DY-LSC-O3AAY DY-LSC-O4AAY DY-LSC-O5AAY DY-LSC-O6AAY
DAEYEON轉(zhuǎn)換器;DY-LSC-OAAAY DY-LSC-OBAAY DY-LSC-OCAAY DY-LSC-ODAAY DY-LSC-OOAAY
DAEYEON轉(zhuǎn)換器;DY-LSC-11ABY DY-LSC-12ABY DY-LSC-13ABY DY-LSC-14ABY DY-LSC-15ABY DY-LSC-16ABY
軟啟動器是一種集軟啟動、軟停車、輕載節(jié)能和多功能保護于一體的電機控制裝備。實現(xiàn)在整個啟動中無沖擊而的啟動電機,而且可根據(jù)電動機負載的特性來調(diào)節(jié)啟動中的各種參數(shù),如限流值、啟動時間等。中文名軟啟動器外文名Softstarter作用實現(xiàn)整個啟動中無沖擊而功能軟啟動、軟停車、輕載節(jié)能目錄1歷史沿革2發(fā)展趨勢3主要分類4相關原理?工作原理?啟動?節(jié)能原理?運行?控制原理5功能特點?主要功能?主要應用?主要特點?性能特點6產(chǎn)品區(qū)別7維修檢查歷史沿革編輯軟啟動器于20世紀70年代末和80年代初投入市場,軟啟動器(圖7)軟啟動器(圖7)填補了星-三角啟動器和變頻器在功能實用性和價格之間的鴻溝。軟啟動器(圖10)軟啟動器(圖10)軟啟動器從本質(zhì)上是一種能夠自動控制的降壓啟動器,由于能夠任意調(diào)節(jié)輸出電壓,作電流閉環(huán)控制,因而比的降壓啟動(如串電阻啟動,自耦變壓器啟動等)有更多優(yōu)點。例如滿載啟動風機水泵等變轉(zhuǎn)矩負載、實現(xiàn)電機軟停止、應用于水泵能完全水錘效應等。功能特點編輯主要功能過載保護功能:軟起動器引進了電流控制環(huán),軟啟動器(圖11)軟啟動器(圖11)因而隨時跟蹤檢測電機電流的變化狀況。通過過載電流的設定和反時限控制,實現(xiàn)了過載保護功能,使電機過載時,關斷晶閘管并發(fā)出。缺相保護功能:工作時,軟起動器隨時檢測三相線電流的變化,一旦發(fā)生斷流,即可作出缺相保護反應。