Lub tshuab nqus tsev ntawm arc-extinguish chamber yuav tsum tau tshuaj xyuas ib ntus hauv kev pabcuam, txoj hauv kev yog: qhib lub Hloov, siv lub zog zaus voltage ntawm 42kV rau nws qhov qhib tawg, yog tias tsis tu ncua
flash-over phenomena tsos, lub arc-extinguish chamber yuav tsum tau hloov los ntawm ib tug tshiab.