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剩余電流動(dòng)作保護(hù)測(cè)試儀 剩余電流保護(hù)器特性測(cè)試儀 A型

電流: 2A
電壓: 220v
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HN1000B 斷路器剩余電流保護(hù)器動(dòng)作特性測(cè)試儀(分A型AC型B型F型)
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">B&nbs;型剩余電流斷路器測(cè)試儀概述: < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">B型剩余電流斷路器測(cè)試儀(以下簡(jiǎn)稱(chēng)測(cè)試儀)是為剩余電流斷路器的性能測(cè)試而研制,,它是檢測(cè)B型剩余電流斷路器脫扣電流和分?jǐn)鄷r(shí)間的關(guān)鍵儀器,。
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">測(cè)試儀的功能能夠滿(mǎn)足GB16916.1-2003、GB16917.1-2003和GB22974-2008標(biāo)準(zhǔn)對(duì)剩余電流斷路器的測(cè)試要求。
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">測(cè)試儀適用于電子式和電磁式的剩余電流斷路器,。
1P+N,、2P,、,、+N、4P的斷路器均能測(cè)試,,輸出大剩余電流為2A,。
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">測(cè)試儀的功能操作采用觸摸屏,斷路器動(dòng)作后,,脫扣電流和分?jǐn)鄷r(shí)間均能保持,,便于讀數(shù)和記錄。
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">系統(tǒng)顯示和操作采用流行的工業(yè)級(jí)觸摸屏,,操作簡(jiǎn)單,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">輔助電源要求:三相四線(xiàn)輸入380V,大于2A < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">接地方式:可靠接地 < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">2.2儀器輸出電流范圍和精度 < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">&nbs;&nbs;測(cè)試儀輸出的電流值為真有效值,,測(cè)試不確定度小于1%; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">&nbs;1)變頻模式交流剩余電流范圍:0~2A,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">(2)50Hz交流剩余電流范圍:0~2A,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">(3)脈動(dòng)直流剩余電流 < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">選項(xiàng)角為0°的脈動(dòng)直流剩余電流,電流的范圍為0~800mA,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">選項(xiàng)角為90°的直流剩余電流,,電流的范圍為0~400mA; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">選項(xiàng)角為135°的直流剩余電流,,電流的范圍為0~200mA,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">(4)平滑直流剩余電流,剩余電流的范圍為0~2A,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">(5)疊加平滑直流的范圍為5~100mA,; < ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">&nbs;(6)時(shí)間測(cè)試:在0~1000ms范圍內(nèi),漏電測(cè)試儀測(cè)量的分?jǐn)鄷r(shí)間相對(duì)于計(jì)量值的偏差在±2ms,。
< ,="" tahoma,="" arial,="" 宋體,="" sans-serif;="" font-style:="" normal;="" font-variant-ligatures:="" font-variant-cas:="" font-weight:="" 400;="" letter-sacing:="" orhans:="" 2;="" text-align:="" left;="" text-indent:="" 0x;="" text-transform:="" none;="" white-sace:="" widows:="" word-sacing:="" -webkit-text-stroke-width:="" text-decoration-style:="" initial;="" text-decoration-color:="" initial;"="" data-x-flag="12_6" style="margin-to: 0x; margin-bottom: 0x; adding: 0x; outline: 0x; color: rgb(51, 51, 51); font-size: 14x; white-sace: normal; background-color: rgb(255, 255, 255); osition: relative; line-height: 2em; font-family: "Microsoft YaHei"; clear: both;">&nbs;剩余電流動(dòng)作保護(hù)測(cè)試儀 剩余電流保護(hù)器特性測(cè)試儀 A型剩余電流動(dòng)作保護(hù)測(cè)試儀 剩余電流保護(hù)器特性測(cè)試儀 A型CAN收發(fā)器的改良和隔離器件引入,,大大提高了通信的可靠性,但也引入了額外的延時(shí),,導(dǎo)致通信距離變短,,或總線(xiàn)錯(cuò)誤幀增加,,本文以1Mbs波特率下的應(yīng)用為例,對(duì)CAN總線(xiàn)信號(hào)延時(shí)做簡(jiǎn)要分析,。
CAN總線(xiàn)傳輸距離的相關(guān)因素ACK應(yīng)答CAN總線(xiàn)采用多主通信模式,、非破壞式總線(xiàn)仲裁機(jī)制。
以標(biāo)準(zhǔn)數(shù)椐幀為例,,從結(jié)構(gòu)上看分成7段,,分別為起始段、仲裁段,、控制段,、數(shù)椐段、CRC校驗(yàn)段,、ACK應(yīng)答段,、幀結(jié)束段,如所示:標(biāo)準(zhǔn)數(shù)椐幀結(jié)構(gòu)及應(yīng)答ACK段長(zhǎng)度為2個(gè)位,,包含應(yīng)答間隙(ACKSLOT)和應(yīng)答界定符(ACKDELIMITER),。
CAN總線(xiàn)作為應(yīng)用非常廣泛的現(xiàn)場(chǎng)總線(xiàn),保證CAN總線(xiàn)一致性非常重要,,DLC作為CAN幀的一部分,,它的正確與否直接影響到總線(xiàn)通信。
那么DLC代表什么?它的功能是什么?如何測(cè)試驗(yàn)證其正確性?CAN總線(xiàn)是ISO標(biāo)準(zhǔn)化的串行通信協(xié)議,。
在汽車(chē)產(chǎn)業(yè)中,,出于對(duì)安全性、舒適性,、方便性,、低公害、低成本的要求,,各種各樣的電子控制系統(tǒng)被開(kāi)發(fā)了出來(lái),。
由于這些系統(tǒng)之間通信所用的數(shù)據(jù)類(lèi)型及對(duì)可靠性的要求不盡相同,由多條總線(xiàn)構(gòu)成的情況很多,,線(xiàn)束的數(shù)量也隨之增加,。
伴隨越來(lái)越多的高科技汽車(chē)電子產(chǎn)品的開(kāi)發(fā)與應(yīng)用,如何解決汽車(chē)電子系統(tǒng)的電磁兼容問(wèn)題,,提高汽車(chē)的可靠性和安全性,,已經(jīng)成為一個(gè)非常重要和迫切的問(wèn)題。
接地設(shè)計(jì)作為根治電磁兼容問(wèn)題方法之一,,地偏移測(cè)試顯得就尤為重要了,,本文對(duì)接地設(shè)計(jì)及地偏移測(cè)試進(jìn)行了解讀。
整車(chē)系統(tǒng)接地設(shè)計(jì)地線(xiàn)的意義地線(xiàn)在汽車(chē)上不僅僅是一個(gè)接點(diǎn),它是一個(gè)綜合的系統(tǒng)的汽車(chē)電氣系統(tǒng),,它的主要功能有:提供給直流負(fù)載,、交流負(fù)載和瞬變負(fù)載電流回路,連接蓄電池或發(fā)電機(jī)的負(fù)極端,;提供電壓給傳感器,、通訊系統(tǒng)、單端數(shù)字輸入等,;靜電,,隔離外部RF輻射;提供靜電放電泄流,,ESD保護(hù),;汽車(chē)天線(xiàn)的地平面;降低電平,,減小腐蝕,。

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