DY-NSL-CT新的超薄獨(dú)立的交流電流到直流信號(hào)轉(zhuǎn)換器New Slim Isolated AC Current to DC Signal Converter功率因數(shù)變送器 功率因數(shù)傳感器 濕度/溫度串行轉(zhuǎn)換器INDICATOR TRANSDUCER傳感器CONVERTER轉(zhuǎn)換器 變送器 ARRESTER避雷器 工業(yè)控制器及轉(zhuǎn)換器DAEYEON CONTROL&INSTRUMENT CO.,LTD 電壓變送器 電壓轉(zhuǎn)換器 電流變送器 電流轉(zhuǎn)換器
DY-ISO-3 DY-ISO DY-RTD DY-T/C DY-PTM DY-RVC DY-LCC DY-HSC DY-LSC DY-DCF DY-ITC
DY-HFC DY-LFC DY-PDC DY-FFC DY-CT DY-PT DY-IPC DY-PDR DY-PS DY-ADD DY-SUB DY-DIR DY-SQR
DY-MUR DY-APH DY-ATH DY-ALC DY-SL-ISO DY-SL-RTD DY-SL-PT DY-SL-IPC DY-NSL-ISO
DY-NSL-RTD DY-NSL-PTM DY-NSL-CT DY-NSL-PT DY-NSL-RVC DY-NSL-IPC DY-DSTR-5 DY-RACK
DY-MAP-10 DY-OPCT DY-DOPCT DY-SL-CT DY-SL-T/C
儀表DY-100 DY-200 DY-300 DY-400A DY-400B DY-500,DY-5001 DY-600 DY-600B DY-600C DY-600S DY-SB6000
Tranducer換能器DY-A DY-3A DY-V DY-3V DY-F DY-H DY-W DY-K DY-WH DY-KH DY-WWH DY-KKH DY-PF
Arrester避雷器DY-SL-AS DY-SL-AP10k DY-SL-AP20K DY-SL-AM DY-SL-AP40K
Multiplexers多路復(fù)用器DY-MUX DY-MUX-CPU DY-MUX-AIU DY-MUX-AOU DY-MUX-DIU DY-MUX-DOU DY-MUX-PSU DY-MUX-ECU
Graphic Drivers圖形驅(qū)動(dòng)器DY-GDU DY-600S DY-LOU
DY-ADD-11NAY DY-RTD-2 DY-RTD-A4AANY DY-RTD-A6AANY DY-RTD-AA66B-Y DY-RTD-A666B-Y
DY-RTD-A1AANY DY-RTD-A2AANY DY-RTD-A3AANY DY-RTD-A4AANY DY-RTD-A5AANY DY-RTD-A6AANY DY-RTD-AAAANY DY-RTD-ABAANY DY-RTD-ACAANY
DY-RTD-A1BANY DY-RTD-A2BANY DY-RTD-A3BANY DY-RTD-A4BANY DY-RTD-A5BANY DY-RTD-A6BANY DY-RTD-AABANY DY-RTD-ABBANY DY-RTD-ACBANY
DY-RTD-A1CANY DY-RTD-A2CANY DY-RTD-A3CANY DY-RTD-A4CANY DY-RTD-A5CANY DY-RTD-A6CANY DY-RTD-AACANY DY-RTD-ABCANY DY-RTD-ACDANY
DY-RTD-A11AA DY-RTD-A21AA DY-RTD-A31AA DY-RTD-A41AA DY-RTD-A51AA DY-RTD-A61AA DY-RTD-AA1AA DY-RTD-AB1AA DY-RTD-AC1AA
DY-RTD-A12AA DY-RTD-A22AA DY-RTD-A32AA DY-RTD-A42AA DY-RTD-A52AA DY-RTD-A62AA DY-RTD-AA2AA DY-RTD-AB2AA DY-RTD-AC2AA 在此,對(duì)使用本儀表和外部存儲(chǔ)媒體時(shí)的注意事項(xiàng)進(jìn)行說(shuō)明。A.彩色無(wú)紙記錄儀塑料零部件較多,清掃時(shí)請(qǐng)使用干燥的柔軟布擦拭。不能使用苯劑,香蕉水等藥劑清掃,可能造成變色或變形。B.請(qǐng)不要將帶電品靠近信號(hào)端子,可能引起故障。C.如果您確認(rèn)從儀表中冒煙,聞到有異味,發(fā)出異響等異常情況發(fā)生時(shí),請(qǐng)立即切斷供電電源,并及時(shí)與供貨商或我公司取得聯(lián)系。彩色無(wú)紙記錄儀使用注意事項(xiàng)1.存儲(chǔ)媒體是精密產(chǎn)品,請(qǐng)小心使用。2.使用U盤(pán)請(qǐng)注意靜電保護(hù)。3.在高溫(大約400C以上)使用存儲(chǔ)媒體時(shí),請(qǐng)?jiān)诒4鏀?shù)據(jù)時(shí)插入存儲(chǔ)媒體,數(shù)據(jù)保存結(jié)束后取出放好,不要長(zhǎng)期插在儀表上。4.打開(kāi)/關(guān)閉電源前,請(qǐng)取出存儲(chǔ)媒體。5.當(dāng)存儲(chǔ)燈(在U‘上)點(diǎn)亮?xí)r。阿里地區(qū)批發(fā)韓國(guó)Autovalve閥門ACV211D-15A-S10
DY-RTD-A13AA DY-RTD-A23AA DY-RTD-A33AA DY-RTD-A43AA DY-RTD-A53AA DY-RTD-A63AA DY-RTD-AA3AA DY-RTD-AB3AA DY-RTD-AC3AA DY-RTD-A14AA DY-RTD-A24AA DY-RTD-A34AA DY-RTD-A44AA DY-RTD-A54AA DY-RTD-A64AA DY-RTD-AA4AA DY-RTD-AB4AA DY-RTD-AC4AA
DY-RTD-A15AA DY-RTD-A25AA DY-RTD-A35AA DY-RTD-A45AA DY-RTD-A55AA DY-RTD-A65AA DY-RTD-AA5AA DY-RTD-AB5AA DY-RTD-AC5AA
DAEYEON CONTROL&INSTRUMENT CO.,LTD 電壓變送器 電壓轉(zhuǎn)換器 電流變送器 電流轉(zhuǎn)換器
DY-RTD-A16AA DY-RTD-A26AA DY-RTD-A36AA DY-RTD-A46AA DY-RTD-A56AA DY-RTD-A66AA DY-RTD-AA6AA DY-RTD-AB6AA DY-RTD-AC6AA
DY-RTD-A1AAA DY-RTD-A2AAA DY-RTD-A3AAA DY-RTD-A4AAA DY-RTD-A5AAA DY-RTD-A6AAA DY-RTD-AAAAA DY-RTD-ABAAA DY-RTD-ACAAA
DY-RTD-A1BAA DY-RTD-A2BAA DY-RTD-A3BAA DY-RTD-A4BAA DY-RTD-A5BAA DY-RTD-A6BAA DY-RTD-AABAA DY-RTD-ABBAA DY-RTD-ACBAA
DY-RTD-A1CAA DY-RTD-A2CAA DY-RTD-A3CAA DY-RTD-A4CAA DY-RTD-A5CAA DY-RTD-A6CAA DY-RTD-AACAA DY-RTD-ABCAA DY-RTD-ACCAA
DY-RTD-A1DAA DY-RTD-A2DAA DY-RTD-A3DAA DY-RTD-A4DAA DY-RTD-A5DAA DY-RTD-A6DAA DY-RTD-AADAA DY-RTD-ABDAA DY-RTD-ACDAA
DY-RTD-A11NA DY-RTD-A21NA DY-RTD-A31NA DY-RTD-A41NA DY-RTD-A51NA DY-RTD-A61NA DY-RTD-AA1NA DY-RTD-AB1NA DY-RTD-AC1NA
DY-RTD-A12NA DY-RTD-A22NA DY-RTD-A32NA DY-RTD-A42NA DY-RTD-A52NA DY-RTD-A62NA DY-RTD-NA2NA DY-RTD-AB2NA DY-RTD-AC2NA
DY-RTD-A13NA DY-RTD-A23NA DY-RTD-A33NA DY-RTD-A43NA DY-RTD-A53NA DY-RTD-A63NA DY-RTD-NA3NA DY-RTD-AB3NA DY-RTD-AC3NA
DY-RTD-A14NA DY-RTD-A24NA DY-RTD-A34NA DY-RTD-A44NA DY-RTD-A54NA DY-RTD-A64NA DY-RTD-NA4NA DY-RTD-AB4NA DY-RTD-AC4NA
DY-RTD-A15NA DY-RTD-A25NA DY-RTD-A35NA DY-RTD-A45NA DY-RTD-A55NA DY-RTD-A65NA DY-RTD-NA5NA DY-RTD-AB5NA DY-RTD-AC5NA
DY-RTD-A16NA DY-RTD-A26NA DY-RTD-A36NA DY-RTD-A46NA DY-RTD-A56NA DY-RTD-A66NA DY-RTD-NA6NA DY-RTD-AB6NA DY-RTD-AC6NA
DY-RTD-A1ANA DY-RTD-A2ANA DY-RTD-A3ANA DY-RTD-A4ANA DY-RTD-A5ANA DY-RTD-A6ANA DY-RTD-AAANA DY-RTD-ABANA DY-RTD-ACANA 同時(shí)由于起動(dòng)轉(zhuǎn)矩較大,將對(duì)負(fù)載產(chǎn)生沖擊,增加傳動(dòng)部件的磨損和額外維護(hù)。所以當(dāng)電機(jī)的容量較大(一般為超過(guò)電源容量的20%—30%時(shí))均采用降壓起動(dòng)。傳統(tǒng)上采用的降壓起動(dòng)的方法有Y/△換接起動(dòng)和自耦變壓器降壓起動(dòng)。雖然這兩種起動(dòng)方式均可降低起動(dòng)電流,但是在降壓起動(dòng)過(guò)程完成后的分檔投切和加全壓的瞬間,仍將產(chǎn)生數(shù)倍額定電流的尖峰電流(二次沖擊電流),此電流將對(duì)配電系統(tǒng)造成沖擊,同時(shí)產(chǎn)生的破壞性的動(dòng)態(tài)轉(zhuǎn)矩會(huì)引起水泵電機(jī)的機(jī)械震動(dòng),對(duì)電機(jī)的轉(zhuǎn)子、中間齒輪等非常有害,并使供電線路電耗增大。軟啟動(dòng)器也是降壓起動(dòng)器的一種。它是利用性能先進(jìn)的微處理器,合理有序地控制大功率晶閘管組件導(dǎo)通,使之產(chǎn)生逐步增加的平滑的交流電壓加在交流電動(dòng)機(jī)上。阿里地區(qū)批發(fā)韓國(guó)Autovalve閥門ACV211D-15A-S10
DY-RTD-A1BNA DY-RTD-A2BNA DY-RTD-A3BNA DY-RTD-A4BNA DY-RTD-A5BNA DY-RTD-A6BNA DY-RTD-NABNA DY-RTD-ABBNA DY-RTD-ACBNA
DAEYEON CONTROL&INSTRUMENT CO.,LTD 電壓變送器 電壓轉(zhuǎn)換器 電流變送器 電流轉(zhuǎn)換器
DY-RTD-A1CNA DY-RTD-A2CNA DY-RTD-A3CNA DY-RTD-A4CNA DY-RTD-A5CNA DY-RTD-A6CNA DY-RTD-NACNA DY-RTD-ABCNA DY-RTD-ACCNA
DY-RTD-A1DNA DY-RTD-A2DNA DY-RTD-A3DNA DY-RTD-A4DNA DY-RTD-A5DNA DY-RTD-A6DNA DY-RTD-NADNA DY-RTD-ABDNA DY-RTD-ACDNA
DY-RTD-A11AB DY-RTD-A21AB DY-RTD-A31AB DY-RTD-A41AB DY-RTD-A51AB DY-RTD-A61AB DY-RTD-AA1AB DY-RTD-AB1AB DY-RTD-AC1AB
DY-RTD-A12AB DY-RTD-A22AB DY-RTD-A32AB DY-RTD-A42AB DY-RTD-A52AB DY-RTD-A62AB DY-RTD-AB2AB DY-RTD-AB2AB DY-RTD-AC2AB
DY-RTD-A13AB DY-RTD-A23AB DY-RTD-A33AB DY-RTD-A43AB DY-RTD-A53AB DY-RTD-A63AB DY-RTD-AB3AB DY-RTD-AB3AB DY-RTD-AC3AB
DY-RTD-A14AB DY-RTD-A24AB DY-RTD-A34AB DY-RTD-A44AB DY-RTD-A54AB DY-RTD-A64AB DY-RTD-AB4AB DY-RTD-AB4AB DY-RTD-AC4AB 無(wú)紙記錄儀通用技術(shù)要求外觀1.1結(jié)構(gòu)件儀表的結(jié)構(gòu)件應(yīng)有良好的表面處理,不應(yīng)有鍍層脫落、銹蝕、霉斑等現(xiàn)象,也不應(yīng)有劃傷、沾污等痕跡,不應(yīng)有明顯變形損壞或缺件。1.2連接機(jī)構(gòu)儀表外部接線端子應(yīng)齊全,接頭與插座之間應(yīng)有定位裝置,以保證接擂時(shí)各接插點(diǎn)具有惟一的對(duì)應(yīng)關(guān)系,插人單元及插件應(yīng)有緊固或鎖緊裝置。1.3標(biāo)志和符號(hào)儀表面板或銘牌上的標(biāo)志、文字、圖形符號(hào)、數(shù)字和計(jì)量單位等應(yīng)符合相應(yīng)的規(guī)范,并應(yīng)鮮明、清晰,不應(yīng)殘缺和沾污。顯示2.1讀數(shù)顯示機(jī)構(gòu)儀表顯示讀數(shù)應(yīng)清晰、無(wú)疊字、亮度均勻,不應(yīng)有缺筆劃或無(wú)測(cè)量單位等現(xiàn)象,狀態(tài)顯示應(yīng)正確。進(jìn)入工作狀態(tài)后,畫(huà)面顏色、清晰度、畫(huà)面切換應(yīng)正常。2.2顯示范圍儀表應(yīng)能按照設(shè)定范圍進(jìn)行全量程的顯示。阿里地區(qū)批發(fā)韓國(guó)Autovalve閥門ACV211D-15A-S10
DY-RTD-A15AB DY-RTD-A25AB DY-RTD-A35AB DY-RTD-A45AB DY-RTD-A55AB DY-RTD-A65AB DY-RTD-AB5AB DY-RTD-AB5AB DY-RTD-AC5AB
DY-RTD-A16AB DY-RTD-A26AB DY-RTD-A36AB DY-RTD-A46AB DY-RTD-A56AB DY-RTD-A66AB DY-RTD-AB6AB DY-RTD-AB6AB DY-RTD-AC6AB
DY-RTD-A1AAB DY-RTD-A2AAB DY-RTD-A3AAB DY-RTD-A4AAB DY-RTD-A5AAB DY-RTD-A6AAB DY-RTD-AAAAB DY-RTD-ABAAB DY-RTD-ACAAB
DY-RTD-A1BAB DY-RTD-A2BAB DY-RTD-A3BAB DY-RTD-A4BAB DY-RTD-A5BAB DY-RTD-A6BAB DY-RTD-ABBAB DY-RTD-ABBAB DY-RTD-ACBAB
DY-RTD-A1CAB DY-RTD-A2CAB DY-RTD-A3CAB DY-RTD-A4CAB DY-RTD-A5CAB DY-RTD-A6CAB DY-RTD-ABCAB DY-RTD-ABCAB DY-RTD-ACCAB
DY-RTD-A1DAB DY-RTD-A2DAB DY-RTD-A3DAB DY-RTD-A4DAB DY-RTD-A5DAB DY-RTD-A6DAB DY-RTD-ABDAB DY-RTD-ABDAB DY-RTD-ACDAB
DY-RTD-A11NB DY-RTD-A21NB DY-RTD-A31NB DY-RTD-A41NB DY-RTD-A51NB DY-RTD-A61NB DY-RTD-AA1NB DY-RTD-AB1NB DY-RTD-AC1NB PWM只須控制逆變電路便可實(shí)現(xiàn),與PAM相比,控制電路簡(jiǎn)化了許多。不論是PAM,還是PWM,其輸出電壓和電流的波形都是非正玄波,具有許多高次諧波成分。為了使輸出電流的波形接近與正玄波,又提出了正玄波脈寬調(diào)制的方式。下次接著講SPWM各位朋友大家好,今天我要為大家講的是:正弦波脈寬調(diào)制(SPWM)QPWM的概念在進(jìn)行脈寬調(diào)制時(shí),使脈沖系列的占空比按正弦規(guī)律來(lái)安排。當(dāng)正弦值為值時(shí),脈沖的寬度也,而脈沖間的間隔則,反之,當(dāng)正弦值較小時(shí),脈沖的寬度也小,而脈沖間的間隔則較大,這樣的電壓脈沖系列可以使負(fù)載電流中的高次諧波成分大為減小,稱為正弦波脈寬調(diào)制。SPWM脈沖系列中,各脈沖的寬度以及相互間的間隔寬度是由正弦波(基準(zhǔn)波或調(diào)制波)和等腰三角波(載波)的交點(diǎn)來(lái)決定的。阿里地區(qū)批發(fā)韓國(guó)Autovalve閥門ACV211D-15A-S10