口碑好的韓國電源powerplaza,FST30-5FF廠家優(yōu)惠價(jià)格中山立訊/中山朗立電氣銷售韓國JAEWON滑塊 自動(dòng)螺旋測微儀滑塊 手動(dòng)螺旋測微儀滑塊了,等等,型號(hào)齊全價(jià)格優(yōu)惠.
X軸60x60mm Model : MX-60(A,B,C,S)-15:MX-60A-15 MX-60B-15 MX-60C-15 MX-60S-15
X軸70x70mm Model : MX-70(A,B,C,S)-20:MX-70A-20 MX-70B-20 MX-70C-20 MX-70S-20
XY軸60x60mm Model : MXY-60(A,B,C,S)-30:MXY-60A-30 MXY-60B-30 MXY-60C-30 MXY-60S-30
XY軸70x70mm Model : MXY-70(A,B,C,S)-40:MXY-70A-40 MXY-70B-40 MXY-70C-40 MXY-70S-40
xyθ軸60x60mm Model : MXYRS-60(A,B,C,S)-40:MXYRS-60A-40 MXYRS-60B-40 MXYRS-60C-40 MXYRS-60S-40
xyθ軸70x70mmModel : MXYR-70B-45-S
Model:MX-40(A,B,C,S)-(L,R):MX-40A-L MX-40A-R MX-40B-L MX-40B-R MX-40C-L MX-40C-R MX-40S-L MX-40S-R
Model:MX-60(A,B,C,S)-(L,R):MX-60A-L MX-60A-R MX-60B-L MX-60B-R MX-60C-L MX-60C-R MX-60S-L MX-60S-R
Model:MXC-60(A,B,C,S)-(L,R):MXC-60A-L MXC-60A-R C60B-L MXC-60B-R MXC-60C-L MXC-60C-R MXC-60S-L MXC-60S-R
Model:MX-80(A,B,C,S)-(L,R):MX-80A-L MX-80A-R MX-80B-L MX-80B-R MX-80C-L MX-80C-R MX-80S-L MX-80S-R
Model:MX-1012(A,B,C,S)-(L,R):MX-1012A-L MX-1012A-R MX-1012B-L MX-1012B-R MX-1012C-L MX-1012C-R MX-1012S-L MX-1012S-R
我局220kV施家坪變電站一條110kV線路發(fā)生過一次PT斷線,保護(hù)裝置采樣的零序電壓達(dá)到8V左右,測量出三相電壓有低微的不平衡,初步懷疑是由于裝置原因引起,廠家經(jīng)過分析和計(jì)算認(rèn)為保護(hù)裝置判為PT斷線是正確的。檢查電壓互感器端子箱處,二次輸出電壓無異常,同母線上其余回路電壓也正常,百思不得其解,后檢查發(fā)現(xiàn)保護(hù)裝置端子排上N線壓接不緊,N線接牢后恢復(fù)正常。
Model:MX-1016(A,B,C,S)-(L,R):MX-1016A-L MX-1016A-R MX-1016B-L MX-1016B-R MX-1016C-L MX-1016C-R MX-1016S-L MX-1016S-R
Model:MX-160(A,B,C)-(L,R):MX-160A-L MX-160A-R MX-160B-L MX-160B-R MX-160C-L MX-160C-R MX-160S-L MX-160S-R
Model:MZV-40(A,B,C,S)-(L,R):MZV-40A-L,MZV-40A-R,MZV-40B-L,MZV-40B-R,MZV-40C-L,MZV-40C-R,MZV-40S-L,MZV-40S-R
Model:MZV-60(A,B,C,S)-(L,R):MZV-60A-L,MZV-60A-R,MZV-60B-L,MZV-60B-R,MZV-60C-L,MZV-60C-R,MZV-60S-L,MZV-60S-R
Model:MZV-80(A,B,C,S)-(L,R):MZV-80A-L,MZV-80A-R,MZV-80B-L,MZV-80B-R,MZV-80C-L,MZV-80C-R,MZV-80S-L,MZV-80S-R
Model:MZV-1012(A,B,C,S)-(L,R):MZV-1012A-L,MZV-1012A-R,MZV-1012B-L,MZV-1012B-R,MZV-1012C-L,MZV-1012C-R,MZV-1012S-L,MZV-1012S-R
Model:MZV-1016(A,B,C,S)-(L,R):MZV-1016A-L,MZV-1016A-R,MZV-1016B-L,MZV-1016B-R,MZV-1016C-L,MZV-1016C-R,MZV-1016S-L,MZV-1016S-R
Model:MZH-60(A,B,C,S)-(L,R):MZH-60A-L,MZH-60A-R,MZH-60B-L,MZH-60B-R,MZH-60C-L,MZH-60C-R,MZH-60S-L,MZH-60S-R (1)有功損耗:ΔP=P0+KTβ2PK-------(1)(2)無功損耗:ΔQ=Q0+KTβ2QK-------(2)(3)綜合功率損耗:ΔPZ=ΔP+KQΔQ----(3)Q0≈I0%SN,QK≈UK%SN式中:Q0——空載??! ?1)功率型LED封裝用材料的性能沒有國外產(chǎn)品的性能優(yōu)異及可靠,該類產(chǎn)品基本由國外壟斷;(2)通過對(duì)有機(jī)硅材料進(jìn)行改性可以某一方面的性能,但綜合性能不佳;(3)功率型LED的散熱性差,添加填料可以有機(jī)硅封裝材料的導(dǎo)熱性,但是導(dǎo)致封裝材料的透光率下降,從而影響發(fā)光效率;(4)有機(jī)硅材料價(jià)格昂貴。
Model:MZH-108(A,B,C,S):MZH-108A,MZH-108B,MZH-108C,MZH-108S
Model:MZH-120(A,B,C,S):MZH-120A,MZH-120B,MZH-120C,MZH-120S
Model:MZH-250(A,B,C,S):MZH-250A,MZH-250B,MZH-250C,MZH-250S
Model:MZH-2426B-75
Model:MZH-2940B-135
Model:MRD-40(A,B)
Model:MRS-60(A,B,C,S)-(L,R)
Model:MRC-70(A,B,C,S)-(L,R)
Model:MRC-80(A,B,C,S)-(L,R)
Model:MRC-60(A,B,C,S)-(L,R)[Ver.6]
Model:MXY-40(A,B,C,S)-(L,R)
Model:MXY-60(A,B,C,S)-(L,R)
Model:MXYC-60(A,B,C,S)
Model:MXY-80(A,B,C,S)-(L,R)
Model:MXYRC-60(A,B,C,S)-(L,R)
Model:MXYRS-60(A,B,C,S)-(L,R)
Model:MXYRC-80(A,B,C,S)-(L,R)
Model:MYZV-60(A,B,C,S)-(L,R) 由于器的操作較高,為了保證一定的使用年限,應(yīng)有較長的機(jī)械壽命和電氣壽命。目前,器的機(jī)械壽命一般可達(dá)數(shù)百萬次以至一千萬次以上,而電氣壽命則按不同的使用類別和不同的機(jī)械壽命級(jí)別有一定的百分比,一般為機(jī)械壽命的5%~20%。
Model:MXYZV-10161012-(A,B,C,S)-(L,R)
Model:MXYZV-60-(A,B,C,S)-(L,R)
Model:MXYZV-80 + MRS-60(A,B,C,S)-(L,R)
Model:MXYZV-0811(A,B,C,S)-(L,R)
Model:MXYZV-80(A,B,C,S)-(L,R)
Model : MAS-100(B,C,S)-40:MAS-100B-40,MAS-100C-40,MAS-100S-40
Model : MAS-200(A,B,C,S):MAS-200A MAS-200B MAS-200C MAS-200S
Model : MAS-300(A,B,C,S):MAS-300A MAS-300B MAS-300C MAS-300S
Model : MAS-400(A,B,C,S):MAS-400A MAS-400B MAS-400C MAS-400S
Model : MAS-500(A,B,C,S):MAS-500A MAS-500B MAS-500C MAS-500S MGX100-105B-S
Model:MGX100-105B-S
Model : X-25 (L,R,C)A:X-25LA,X-25RA,X-25CA
Model : X-40(L,R,C)A:X-40LA,X-40RA,X-40CA
Model : X-60(L,R,C)A:X-60LA,X-60RA,X-60CA
Model : X-60(L,R,C)A-M16:X-60LA-M16,X-60RA-M16,X-60CA-M16 圖1萬用表檢查方法之一(2)用萬用表檢查方法之二①判斷各相繞組的兩個(gè)出線端。用萬用表電阻檔分清三相繞組各相的兩個(gè)線頭。②給各相繞組假設(shè)編 為U1、U2、V1、V2和W1、W2。③按圖1-2接線,判斷首尾端。用手轉(zhuǎn)動(dòng)電動(dòng)機(jī)轉(zhuǎn)子,如萬用表(微安檔)指針不動(dòng),則證明假設(shè)的編 是正確的,若指針有偏轉(zhuǎn),說明其中有一相首尾端假設(shè)編 不對(duì),應(yīng)逐相對(duì)調(diào)重測,直至正確為止?! 〈艌龅倪吔鐥l件給出磁介質(zhì)分界面處,磁場的物理量所應(yīng)遵守的規(guī)律。以下討論兩種各向同性的均勻磁介質(zhì)分界面處,行為:1.的法向分量:高斯面上下底面積為:,高為:h,根據(jù)高斯定理:即:,在均勻磁介質(zhì)的分界面處磁感應(yīng)強(qiáng)度矢量的法向分量連續(xù)。
Model : X-80(L,R,C)A:X-80LA,X-80RA,X-80CA
Model : X-90(L,R,C)A:X-90LA,X-90RA,X-90CA
Model : X-100(L,R,C)A:X-100LA,X-100RA,X-100CA
Model : X-120(L,R,C)A:X-120LA,X-120RA,X-120CA
Model : X-150(L,R,C)A:X-150LA,X-150RA,X-150CA
Model : X-100(L,R,C)A)-M:X-100LA-M,X-100RA-M,X-100CA-M
Model : ZV-40(L,R,C)A:ZV-40LA,ZV-40RA,ZV-40CA
Model : ZV-60(L,R,C)A:ZV-60LA,ZV-60RA,ZV-60CA
Model : ZV-80(L,R,C)A:ZV-80LA,ZV-80RA,ZV-80CA
Model : ZV-100(L,R,C)A:ZV-100LA,ZV-100RA,ZV-100CA
Model : ZH-40CA
Model : ZH-60CA
Model : ZH-80CA
Model : ZH-100CA
Model : ZH-40CT
Model : ZH-60CT