Secondly,the experimental equipment of electrical life of relay was developed and the arc erosion status of contacts of breaking the inductive load with the four circuits was researched by experiments.
論文首先構(gòu)建了無(wú)保護(hù)電路和3種有保護(hù)電路模型并給出了電弧能量的計(jì)算公式;然后研發(fā)了繼電器電壽命實(shí)驗(yàn)裝置并通過(guò)實(shí)驗(yàn)研究了上述4種電路中繼電器開斷感性負(fù)載時(shí)觸點(diǎn)的電弧侵蝕情況。
In a 150A type motorcycle,the contact s attracting reliability of the starting relay greatly affects its quality.
150A摩托車用大電流啟動(dòng)繼電器觸點(diǎn)的吸合可靠率是決定該繼電器質(zhì)量的一個(gè)很重要指標(biāo),基于單片機(jī)技術(shù),結(jié)合聲、光、電、檢測(cè)控制方法,設(shè)計(jì)出一種檢測(cè)大電流摩托車用啟動(dòng)繼電器觸點(diǎn)接觸是否合乎要求的方法。
When applying 42 VDC high voltage, every parameter performance, such as arcing duration, arc extinction gap, close bounce, contact erosion and welding trend will be materially changed.
采用42V大電壓后,車用電磁繼電器的各參數(shù)性能,如燃弧時(shí)間、熄弧間隙、閉合彈跳、觸點(diǎn)侵蝕及熔焊傾向?qū)l(fā)生重大變化。
Research on dynamic contact resistance measurement and failure prediction of relay contacts;
動(dòng)態(tài)接觸電阻測(cè)量及觸點(diǎn)失效預(yù)測(cè)研究
Research on failure prediction of relay contacts;
繼電器觸點(diǎn)失效預(yù)測(cè)的研究
The thesis makes a review of the new development of the theory of the electrical contact in the world with especial attentions to the importance and significance of the electrical contact failure prediction for contacts.
在廣泛查閱電接觸理論領(lǐng)域文獻(xiàn)的基礎(chǔ)上，對(duì)觸點(diǎn)接觸電阻值的變化情況進(jìn)行了分析，提出了接觸電阻值的變化規(guī)律。