江蘇春晨電纜有限公司生產(chǎn)春晨JFEYH10KV高壓電機(jī)引接線JFEYH10KV高壓電機(jī)引出線，

電氣二次回路交流耐壓試驗(yàn)規(guī)定

Regulation of electric two circuit AC voltage test

電氣二次回路交流耐壓試驗(yàn)，應(yīng)符合下列規(guī)定：1、試驗(yàn)電壓應(yīng)為1000V。當(dāng)回路絕緣電阻值在10MΩ以上時(shí)，可采用2500V兆歐表代替，試驗(yàn)持續(xù)時(shí)間應(yīng)為1min，尚應(yīng)符合產(chǎn)品技術(shù)文件規(guī)定；2、48V及以下電壓等級(jí)回路可不做交流 ...

The electric two circuit AC voltage resistance test should comply with the following regulations: 1, the test voltage should be 1000V. When the insulation resistance of the circuit is above 10M ohm, the 2500V Mega meter can be used instead of the test. The test duration should be 1min, which is still in line with the product technical documents. 2, 48V and the following voltage level circuit can not be exchanged.

2017-10-25 07:36

2017-10-25 07:36

電氣二次回路測(cè)量絕緣電阻規(guī)定春晨JFEYH10KV高壓電機(jī)引接線JFEYH10KV高壓電機(jī)引出線

Electrical two circuit measurement of insulation resistance regulation

測(cè)量絕緣電阻，應(yīng)符合下列規(guī)定：1、應(yīng)按GB 50150-2016標(biāo)準(zhǔn)第3.0.9，條的規(guī)定，根據(jù)電壓等級(jí)選擇兆歐表；2、小母線在斷開(kāi)所有其他并聯(lián)支路時(shí)，不應(yīng)小于10MΩ；3、二次回路的每一支路和斷路器、隔離開(kāi)關(guān)的操動(dòng)機(jī)構(gòu)的電 ...

Measuring insulation resistance shall comply with the following provisions: 1, according to GB 50150-2016 standard 3.0.9, shall, according to the voltage level selection of megohmmeter; 2, the small bus disconnect all other parallel branches, should not be less than 10M; 3, the two loop of each branch circuit breaker, isolating and switch electric actuator...

2017-10-25 07:35

2017-10-25 07:35

低壓成套電氣開(kāi)關(guān)設(shè)備中的導(dǎo)線顏色標(biāo)識(shí)春晨JFEYH10KV高壓電機(jī)引接線JFEYH10KV高壓電機(jī)引出線

Color identification of wire in low voltage electrical switchgear

在低壓成套開(kāi)關(guān)設(shè)備內(nèi)部的線纜一般采用黑色作為基本顏色，線頭和線尾可加顏色套環(huán)進(jìn)行區(qū)別。顏色色系的標(biāo)定含義見(jiàn)表1低壓成套開(kāi)關(guān)設(shè)備內(nèi)部依導(dǎo)線顏色標(biāo)志電路時(shí)的線纜顏色標(biāo)定含義 序號(hào) 導(dǎo)線顏色 意義 1 黑色 裝置和 ...

In the low voltage switchgear, the cable usually uses black as the basic color, and the line head and the tail can be different with the color ring. The calibration meaning of the color system is shown in Table 1, the color of the cable in the low voltage switchgear, which is based on the conductor's color mark circuit, the meaning of the serial number, the color of the conductor, the black device and the 1.

2017-10-25 07:34

2017-10-25 07:34

電氣二次控制線束脫落惹的禍

The two times the electric control of the wire harness

電氣二次控制線束脫落惹的禍2017年10月，某220kV變電站線路斷路器A相偷跳，重合閘動(dòng)作重合A相成功后再次偷跳，約8秒后線路主一保護(hù)電氣量三相不一致保護(hù)動(dòng)作跳開(kāi)221斷路器B、C相。 針對(duì)這起保護(hù)誤動(dòng)作事件，檢查發(fā)現(xiàn)：由于機(jī)構(gòu)箱未設(shè)置線槽盒， ...

Two electric control harness off disaster in October 2017, a 220kV substation circuit breaker A phase tripping reclosing, coincidence A phase after the success of stealing again jump, about 8 seconds after the line main protection electrical three-phase inconsistent protection circuit breaker tripping action 221 B, C. In view of the misoperation of this protection, it is found that, since the box box is not set,...

2017-10-24 21:45

2017-10-24 21:45

電氣設(shè)備狀態(tài)監(jiān)測(cè)與故障診斷技術(shù)應(yīng)用

Application of state monitoring and fault diagnosis technology for electrical equipment

電氣設(shè)備狀態(tài)監(jiān)測(cè)與故障診斷技術(shù)主要有三個(gè)環(huán)節(jié)：首先，狀態(tài)監(jiān)測(cè)。電氣設(shè)備在正常運(yùn)行中，通過(guò)對(duì)特征型號(hào)進(jìn)行監(jiān)測(cè)，變換與記錄，并對(duì)相關(guān)問(wèn)題進(jìn)行分析與處理，并將分析結(jié)果進(jìn)行詳細(xì)的記錄，為設(shè)備故障診斷提供確 ...

There are three main links in the state monitoring and fault diagnosis of electrical equipment: first, state monitoring. In normal operation, electrical equipment can monitor, transform and record the characteristic models, analyze and process the related problems, and record the analysis results in detail, so as to provide accurate diagnosis for the equipment fault.

2017-10-24 10:51

2017-10-24 10:51

發(fā)電機(jī)三相電源繞組的三角形連接和三相四線制星形接法

Triangular connection and three phase four wire star connection method for three-phase power supply winding of generator

發(fā)電機(jī)三相電源繞組的三角形連接和三相四線制星形接法將三相電源繞組的末端U1、V1、W1連接在一起，成為一個(gè)公共點(diǎn)，叫做發(fā)電機(jī)的中性點(diǎn)或零點(diǎn)，從中性點(diǎn)接出的導(dǎo)線N稱為中線或零線。中線通常與大地相接，又稱地線。從三個(gè)繞組的始端分別引出三根導(dǎo)線U、V、W，稱為端線或 ...

Generator three-phase power supply windings of delta connection and three-phase four wire Wye connected three-phase power winding end of the U1, V1 and W1 together, become a common point, called the neutral point generator or zero wire N connection from the neutral point is called the zero line or line. The middle line is usually connected with the earth, also known as the ground line. Out of three wires U, V, W from the beginning of the three windings are called line or...

2017-10-23 16:09

2017-10-23 16:09