樂(lè)清變壓器分接開關(guān)調(diào)壓方式
2022-11-25 16:29:22
無(wú)勵(lì)磁調(diào)壓和有載調(diào)壓都是指的變壓器分接開關(guān)調(diào)壓方式,區(qū)別在于無(wú)勵(lì)磁調(diào)壓開關(guān)不具備帶負(fù)載轉(zhuǎn)換檔位的能力,因?yàn)檫@種分接開關(guān)在轉(zhuǎn)換檔位過(guò)程中,有短時(shí)斷開過(guò)程,斷開負(fù)荷電流會(huì)造成觸頭間拉弧燒壞分接開關(guān)或短路，故調(diào)...
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