廠家推薦LS產(chǎn)電MC-150a廠家直銷中山立訊電氣/中山朗立電氣批發(fā)KG AUTO轉(zhuǎn)換開(kāi)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(kāi)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
五、熱繼電器的選用熱繼電器的保護(hù)對(duì)象是電動(dòng)機(jī),故選用時(shí)應(yīng)了解電動(dòng)機(jī)的技術(shù)性能、啟動(dòng)情況、負(fù)載性質(zhì)以及電動(dòng)機(jī)允許過(guò)載能力等。(1)長(zhǎng)期工作的電動(dòng)機(jī),可按電動(dòng)機(jī)的額定電流選用熱繼電器。取熱繼電器整定電流的0.95~1.05倍或中間值等于電動(dòng)機(jī)額定電流?! 】倲嗦菲鳎╇姅嗦菲鳎┫乱患?jí)的各個(gè)負(fù)載回路也是按各個(gè)回路的負(fù)載容量并留有適當(dāng)?shù)挠嗔縼?lái)選擇匹配各個(gè)回路負(fù)載容量載流量的導(dǎo)線,之后就是按照各個(gè)負(fù)載回路的導(dǎo)線來(lái)匹配相應(yīng)脫扣電流值的斷路器或漏電斷路器來(lái)保護(hù)導(dǎo)線才能保障。
廠家推薦LS產(chǎn)電MC-150a廠家直銷
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(kāi)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(kāi)關(guān)KGT系列
1.計(jì)算電流互感器變比:設(shè)電流互感器變比為K.則:變比K=額定一次電流/額定二次電流(例如:100/5A的電流互感器的變比K=100/5=20)2.測(cè)量值的計(jì)算:設(shè)電流互感器二次電流為A2...已知電流互感器變比(倍率)為K,測(cè)得二次電流為I2?! ‰娢灰剖噶緿與有介質(zhì)時(shí)的高斯定理介電常數(shù)高斯定理是建立在庫(kù)侖定律的基礎(chǔ)上的,在有電介質(zhì)存在時(shí),它也成立,只不過(guò)計(jì)算總電場(chǎng)的電通量時(shí),應(yīng)計(jì)及高斯面內(nèi)所包含的自由電荷q0和極化電荷q':(1)前面我們推導(dǎo)過(guò)下列公。
廠家推薦LS產(chǎn)電MC-150a廠家直銷
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(kāi)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(kāi)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
玻璃板液位計(jì)方便操作人員觀察。液位聯(lián)鎖觸發(fā)且無(wú)法復(fù)位,機(jī)組無(wú)法啟動(dòng)A套冷凍機(jī)突然停車,故障顯示液位高高。操作人員馬上重新啟動(dòng)機(jī)組,無(wú)法啟動(dòng)。隨后切換啟動(dòng)備機(jī),也無(wú)法啟動(dòng),液位高高一直存在,但液位顯示20%左右,怎么會(huì)高高。 采用萬(wàn)用表檢測(cè)揚(yáng)聲器也是粗略的。測(cè)量直流電阻:用R*1檔測(cè)量揚(yáng)聲器兩引腳之間的直流電阻,正常時(shí)應(yīng)比銘牌揚(yáng)聲器阻抗略小。例如8歐姆的揚(yáng)聲器測(cè)量的電阻正常為7歐姆左右。測(cè)量阻值為無(wú)窮大,或遠(yuǎn)大于它的標(biāo)稱阻抗值,說(shuō)明揚(yáng)聲器已經(jīng)損壞。
廠家推薦LS產(chǎn)電MC-150a廠家直銷
KG AUTO轉(zhuǎn)換開(kāi)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
為什么藍(lán)紙?jiān)诘蛪衡c燈照射下變黑了呢。要弄清這個(gè)問(wèn)題,首先要對(duì)日光做一番分析。原來(lái)日光是由紅、橙、黃、綠、青、藍(lán)、紫等多種顏色的光按照一定的比例混合而成的。日光照某一顏色的物體(指非體)上,物體將其他顏色的光吸收,而將這種顏色的光反來(lái)。
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
在圖中,電容C1的作用是降壓和限流;VD1~VD4的作用是整流,用于將交流電整VD1~VD4可選擇1N4007系列的整流二極管。C2、C3的作用為濾波,用于將整流后的脈動(dòng)直流電壓濾波成平穩(wěn)的直流電壓。C2、C3的耐壓應(yīng)根據(jù)負(fù)載電壓而定,一般為負(fù)載電壓1.2倍,其電容容量視負(fù)載電流的大小而定?! ∥辔嗑褪俏⑿蛿嗦菲鞯暮?jiǎn)稱。是建筑電氣終端配電裝置引中使用廣泛的一種終端保護(hù)電器。具有短路保護(hù):火線和零線,瞬間電流很大,斷路器跳閘。過(guò)載保護(hù):就是用電電流超過(guò)電器的額定電流,斷路器跳閘。隔離開(kāi)關(guān)隔離開(kāi)關(guān)的主要特點(diǎn)是無(wú)滅弧能力,只能在沒(méi)有負(fù)荷電流的情況下分、合電路。
廠家推薦LS產(chǎn)電MC-150a廠家直銷
KG AUTO鑰匙開(kāi)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(kāi)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(kāi)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