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電感和電容在AI電路中如何協同工作?

作者(zhe):小編(bian)點擊數:發(fa)布時間:2024-09-27

在(zai)AI電(dian)(dian)(dian)路中,電(dian)(dian)(dian)感和電(dian)(dian)(dian)容的(de)協同工作(zuo)主要體現(xian)在(zai)濾波(bo)和儲能(neng)方面。電(dian)(dian)(dian)容通(tong)過其充(chong)電(dian)(dian)(dian)和放電(dian)(dian)(dian)特性(xing),能(neng)夠平滑(hua)電(dian)(dian)(dian)壓波(bo)動,確保電(dian)(dian)(dian)壓的(de)平穩性(xing),這(zhe)在(zai)整流(liu)電(dian)(dian)(dian)路中尤為重要。電(dian)(dian)(dian)感則通(tong)過其磁場(chang)效應,能(neng)夠阻止電(dian)(dian)(dian)流(liu)的(de)快速變化,從而在(zai)交流(liu)電(dian)(dian)(dian)場(chang)合中起到濾波(bo)作(zuo)用。

 

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在低通濾(lv)波器的設計中,電(dian)感(gan)和電(dian)容的組合可以有(you)效地濾(lv)除高(gao)頻噪聲(sheng),保(bao)留低頻信號。然而,這種(zhong)組合也可能(neng)產生(sheng)自(zi)激現象,因為(wei)電(dian)感(gan)和電(dian)容都是儲能(neng)器件(jian)(jian)。為(wei)了(le)避(bi)免自(zi)激,可以引(yin)入磁珠,它作為(wei)耗能(neng)器件(jian)(jian),能(neng)夠與(yu)電(dian)容協同(tong)工作而不產生(sheng)自(zi)激。

 

此外,電(dian)(dian)(dian)容的真實行(xing)為(wei)受到其(qi)寄生電(dian)(dian)(dian)阻(ESR)和寄生電(dian)(dian)(dian)感(gan)(ESL)的影響,因(yin)此在選(xuan)擇電(dian)(dian)(dian)容器時(shi),需要確保其(qi)盡可能接近(jin)理(li)想電(dian)(dian)(dian)容器的行(xing)為(wei)。電(dian)(dian)(dian)感(gan)在直流(liu)供(gong)電(dian)(dian)(dian)的電(dian)(dian)(dian)路板中應(ying)用較少,主(zhu)要是(shi)因(yin)為(wei)其(qi)主(zhu)要應(ying)用于(yu)交流(liu)電(dian)(dian)(dian)場合。

 

電(dian)(dian)感(gan)和(he)電(dian)(dian)容在AI電(dian)(dian)路(lu)中的協同(tong)工(gong)作主要(yao)通過(guo)濾波和(he)儲能來實現,但需要(yao)注意避免自激現象的發生(sheng)。



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