韓國AUTOMA閥門ADR40-32S1價格中山立訊電氣/中山朗立電氣批發(fā)KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-C2M1D1R,KGT-C2M1D1Y,KGT-C2M1D1G,KGT-C2M1D1A,KGT-C2M1D1W
KGT-C2M2D1R,KGT-C2M2D1Y,KGT-C2M2D1G,KGT-C2M2D1A,KGT-C2M2D1W
KGT-C2R1D1R,KGT-C2R1D1Y,KGT-C2R1D1G,KGT-C2R1D1A,KGT-C2R1D1W
KGT-C2R2D1R,KGT-C2R2D1Y,KGT-C2R2D1G,KGT-C2R2D1A,KGT-C2R2D1W
KGT-C2M1D2R,KGT-C2M1D2Y,KGT-C2M1D2G,KGT-C2M1D2A,KGT-C2M1D2W
KGT-C2M2D2R,KGT-C2M2D2Y,KGT-C2M2D2G,KGT-C2M2D2A,KGT-C2M2D2W
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-C2R1D2R,KGT-C2R1D2Y,KGT-C2R1D2G,KGT-C2R1D2A,KGT-C2R1D2W
KGT-C2R2D2R,KGT-C2R2D2Y,KGT-C2R2D2G,KGT-C2R2D2A,KGT-C2R2D2W
以保證產(chǎn)品的使用性能和延長使用壽命,電氣裝備用電線電纜有耐高溫的,有耐寒的,有不同度的,還有具有屏蔽性能的,必須根據(jù)使用條件合理地選擇,3.1.2電線電纜的選擇還應(yīng)與連接器的使用,整機合理布線設(shè)計結(jié)合起來考慮。
韓國AUTOMA閥門ADR40-32S1價格
KGT-C2M1D3R,KGT-C2M1D3Y,KGT-C2M1D3G,KGT-C2M1D3A,KGT-C2M1D3W
KGT-C2M2D3R,KGT-C2M2D3Y,KGT-C2M2D3G,KGT-C2M2D3A,KGT-C2M2D3W
KGT-C2R1D3R,KGT-C2R1D3Y,KGT-C2R1D3G,KGT-C2R1D3A,KGT-C2R1D3W
KGT-C2R2D3R,KGT-C2R2D3Y,KGT-C2R2D3G,KGT-C2R2D3A,KGT-C2R2D3W
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-C2M1V2R,KGT-C2M1V2Y,KGT-C2M1V2G,KGT-C2M1V2A,KGT-C2M1V2W
KGT-C2M2V2R,KGT-C2M2V2Y,KGT-C2M2V2G,KGT-C2M2V2A,KGT-C2M2V2W
KGT-C2R1V2R,KGT-C2R1V2Y,KGT-C2R1V2G,KGT-C2R1V2A,KGT-C2R1V2W
KGT-C2R2V2R,KGT-C2R2V2Y,KGT-C2R2V2G,KGT-C2R2V2A,KGT-C2R2V2W
KGT-C2M1V3R,KGT-C2M1V3Y,KGT-C2M1V3G,KGT-C2M1V3A,KGT-C2M1V3W
KGT-C2M2V3R,KGT-C2M2V3Y,KGT-C2M2V3G,KGT-C2M2V3A,KGT-C2M2V3W
KGT-C2R1V3R,KGT-C2R1V3Y,KGT-C2R1V3G,KGT-C2R1V3A,KGT-C2R1V3W
KGT-C2R2V3R,KGT-C2R2V3Y,KGT-C2R2V3G,KGT-C2R2V3A,KGT-C2R2V3W
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
在繼電器一個輸入信 X時,不論信 幅椎多大,只要沒有達到動作值X1,繼電器不動作,輸出信 Y=0((記為Y0),對應(yīng)特性曲線的0點-a點之間。當(dāng)X值達到X1,繼電器就立即動作,其工作點瞬時地從a點跳到b點,就得到Y(jié)max的輸出信 ?! ? 應(yīng)根據(jù)控制電路的要求選用,動作后復(fù)位時間要比固有動作時間長,以免產(chǎn)生誤動作,甚至不延時,這在反復(fù)延時電路和操作頻繁的場合,尤其重要,(2)類型選擇,對延時精度要求不高的場合,一般采用價格較低的電磁式或空氣阻尼式時問繼電器,反之。
韓國AUTOMA閥門ADR40-32S1價格
KGT-J2M1D1R,KGT-J2M1D1Y,KGT-J2M1D1G,KGT-J2M1D1A,KGT-J2M1D1W
KGT-J2M2D1R,KGT-J2M2D1Y,KGT-J2M2D1G,KGT-J2M2D1A,KGT-J2M2D1W
KGT-J2R1D1R,KGT-J2R1D1Y,KGT-J2R1D1G,KGT-J2R1D1A,KGT-J2R1D1W
KGT-J2R2D1R,KGT-J2R2D1Y,KGT-J2R2D1G,KGT-J2R2D1A,KGT-J2R2D1W
KGT-J2M1D2R,KGT-J2M1D2Y,KGT-J2M1D2G,KGT-J2M1D2A,KGT-J2M1D2W
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-J2M2D2R,KGT-J2M2D2Y,KGT-J2M2D2G,KGT-J2M2D2A,KGT-J2M2D2W
KGT-J2R1D2R,KGT-J2R1D2Y,KGT-J2R1D2G,KGT-J2R1D2A,KGT-J2R1D2W
KGT-J2R2D2R,KGT-J2R2D2Y,KGT-J2R2D2G,KGT-J2R2D2A,KGT-J2R2D2W
KGT-J2M1D3R,KGT-J2M1D3Y,KGT-J2M1D3G,KGT-J2M1D3A,KGT-J2M1D3W
KGT-J2M2D3R,KGT-J2M2D3Y,KGT-J2M2D3G,KGT-J2M2D3A,KGT-J2M2D3W
KGT-J2R1D3R,KGT-J2R1D3Y,KGT-J2R1D3G,KGT-J2R1D3A,KGT-J2R1D3W
KGT-J2R2D3R,KGT-J2R2D3Y,KGT-J2R2D3G,KGT-J2R2D3A,KGT-J2R2D3W
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-J2M1V2R,KGT-J2M1V2Y,KGT-J2M1V2G,KGT-J2M1V2A,KGT-J2M1V2W
KGT-J2M2V2R,KGT-J2M2V2Y,KGT-J2M2V2G,KGT-J2M2V2A,KGT-J2M2V2W
KGT-J2R1V2R,KGT-J2R1V2Y,KGT-J2R1V2G,KGT-J2R1V2A,KGT-J2R1V2W
KGT-J2R2V2R,KGT-J2R2V2Y,KGT-J2R2V2G,KGT-J2R2V2A,KGT-J2R2V2W
KGT-J2M1V3R,KGT-J2M1V3Y,KGT-J2M1V3G,KGT-J2M1V3A,KGT-J2M1V3W
KGT-J2M2V3R,KGT-J2M2V3Y,KGT-J2M2V3G,KGT-J2M2V3A,KGT-J2M2V3W
KGT-J2R1V3R,KGT-J2R1V3Y,KGT-J2R1V3G,KGT-J2R1V3A,KGT-J2R1V3W
KGT-J2R2V3R,KGT-J2R2V3Y,KGT-J2R2V3G,KGT-J2R2V3A,KGT-J2R2V3W
一般情況下級斷路器(如變壓器低壓側(cè)進線)宜選用過載長...斷路器作為上下級保護時,其動作應(yīng)有選擇性,上下級間應(yīng)相互配合,并注意如下問題:1)斷路器的上下級動作為選擇性時,應(yīng)注意電流脫扣器整定值與時間配?。 2、在線圈兩端并聯(lián)壓敏電阻壓敏電阻的特性是在它兩端的電壓低于某一數(shù)值時,它幾乎不導(dǎo)電,相當(dāng)于開路;而當(dāng)其上電壓超過某一數(shù)值以后,它被擊穿,幾乎相當(dāng)于短路。只要我們選擇壓敏電阻的工作電流大于線圈的電流,壓敏電阻在斷電以后又可以恢復(fù)開路狀態(tài)。
韓國AUTOMA閥門ADR40-32S1價格
KG AUTO轉(zhuǎn)換開關(guān)KGT系列
KGT-L2M1D1R,KGT-L2M1D1Y,KGT-L2M1D1G,KGT-L2M1D1A,KGT-L2M1D1W
KGT-L2M2D1R,KGT-L2M2D1Y,KGT-L2M2D1G,KGT-L2M2D1A,KGT-L2M2D1W
KGT-L2R1D1R,KGT-L2R1D1Y,KGT-L2R1D1G,KGT-L2R1D1A,KGT-L2R1D1W
KGT-L2R2D1R,KGT-L2R2D1Y,KGT-L2R2D1G,KGT-L2R2D1A,KGT-L2R2D1W
KGT-L2M1D2R,KGT-L2M1D2Y,KGT-L2M1D2G,KGT-L2M1D2A,KGT-L2M1D2W
KGT-L2M2D2R,KGT-L2M2D2Y,KGT-L2M2D2G,KGT-L2M2D2A,KGT-L2M2D2W
KGT-L2R1D2R,KGT-L2R1D2Y,KGT-L2R1D2G,KGT-L2R1D2A,KGT-L2R1D2W
KGT-L2R2D2R,KGT-L2R2D2Y,KGT-L2R2D2G,KGT-L2R2D2A,KGT-L2R2D2W
KGT-L2M1D3R,KGT-L2M1D3Y,KGT-L2M1D3G,KGT-L2M1D3A,KGT-L2M1D3W
電壓互感器本身是一個阻抗很小的電壓源,正常運行時負載阻抗很大,相當(dāng)于開路狀態(tài),二次側(cè)僅有很小的負載電流。如果二次側(cè)短路,負載阻抗為零或很小,二次側(cè)通過的電流增大,將會造成二次側(cè)熔斷器熔斷,儀表指示不正常、繼電保護裝置誤動作。
KGT-L2M2D3R,KGT-L2M2D3Y,KGT-L2M2D3G,KGT-L2M2D3A,KGT-L2M2D3W
KGT-L2R1D3R,KGT-L2R1D3Y,KGT-L2R1D3G,KGT-L2R1D3A,KGT-L2R1D3W
KGT-L2R2D3R,KGT-L2R2D3Y,KGT-L2R2D3G,KGT-L2R2D3A,KGT-L2R2D3W
KGT-L2M1V2R,KGT-L2M1V2Y,KGT-L2M1V2G,KGT-L2M1V2A,KGT-L2M1V2W
KGT-L2M2V2R,KGT-L2M2V2Y,KGT-L2M2V2G,KGT-L2M2V2A,KGT-L2M2V2W
KGT-L2R1V2R,KGT-L2R1V2Y,KGT-L2R1V2G,KGT-L2R1V2A,KGT-L2R1V2W
KGT-L2R2V2R,KGT-L2R2V2Y,KGT-L2R2V2G,KGT-L2R2V2A,KGT-L2R2V2W
KGT-L2M1V3R,KGT-L2M1V3Y,KGT-L2M1V3G,KGT-L2M1V3A,KGT-L2M1V3W
KGT-L2M2V3R,KGT-L2M2V3Y,KGT-L2M2V3G,KGT-L2M2V3A,KGT-L2M2V3W
KGT-L2R1V3R,KGT-L2R1V3Y,KGT-L2R1V3G,KGT-L2R1V3A,KGT-L2R1V3W
KGT-L2R2V3R,KGT-L2R2V3Y,KGT-L2R2V3G,KGT-L2R2V3A,KGT-L2R2V3W
2、與的關(guān)系因為,所以而,所以三、應(yīng)用舉例半徑為的金屬球,電荷為,放在均勻無限大介質(zhì)中,介質(zhì)的介電常數(shù)為。求介質(zhì)中的電場強度。解:在金屬球外的介質(zhì)中取一點,距球心的距離為。以為球心、為半徑作一同心球面為高斯面,則由介質(zhì)中的高斯定理,得電位移矢量。 功率因數(shù)表示一個負荷所需要的有功功率和視在功率的比值。即COS¢=P/S平常我們說的系統(tǒng)的功率因數(shù)是整個電力系統(tǒng)有功功率和視在功率的比值,電路的功率因數(shù)、線路的功率因數(shù)、電機的功率因數(shù)等也相同。在交流電路中,功率因數(shù)定義為有功功率與視在功率的比值,即COS∮=P/S,在正弦電路中,功率因數(shù)由電壓與電流之間的相位差(∮)角決定,用COS∮表示,在數(shù)值上等于有功功率和視在功率之比,或電阻與阻抗之比。
韓國AUTOMA閥門ADR40-32S1價格
KG AUTO鑰匙開關(guān)KGK系列
KGK-H2M1A,KGK-H2M1B,KGK-H2M1C,KGK-H2M2A,KGK-H2M2B,KGK-H2M2C
KGK-H2R1A,KGK-H2R1B,KGK-H2R1C,KGK-H2R2A,KGK-H2R2B,KGK-H2R2C
KGK-H3M1A,KGK-H3M1B,KGK-H3M1C,KGK-H3M2A,KGK-H3M2B,KGK-H3M2C
KGK-H3R1A,KGK-H3R1B,KGK-H3R1C,KGK-H3R2A,KGK-H3R2B,KGK-H3R2C
KG AUTO鑰匙開關(guān)KGK系列
KGK-J2M1A,KGK-J2M1B,KGK-J2M1C,KGK-J2M2A,KGK-J2M2B,KGK-J2M2C
KGK-J2R1A,KGK-J2R1B,KGK-J2R1C,KGK-J2R2A,KGK-J2R2B,KGK-J2R2C
KGK-J3M1A,KGK-J3M1B,KGK-J3M1C,KGK-J3M2A,KGK-J3M2B,KGK-J3M2C
KGK-J3R1A,KGK-J3R1B,KGK-J3R1C,KGK-J3R2A,KGK-J3R2B,KGK-J3R2C
KG AUTO鑰匙開關(guān)KGK系列
KGK-L2M1A,KGK-L2M1B,KGK-L2M1C,KGK-L2M2A,KGK-L2M2B,KGK-L2M2C
KGK-L2R1A,KGK-L2R1B,KGK-L2R1C,KGK-L2R2A,KGK-L2R2B,KGK-L2R2C
KGK-L3M1A,KGK-L3M1B,KGK-L3M1C,KGK-L3M2A,KGK-L3M2B,KGK-L3M2C
KGK-L3R1A,KGK-L3R1B,KGK-L3R1C,KGK-L3R2A,KGK-L3R2B,KGK-L3R2C