Usoro mmemme mmemme PDB etinyerela nke ọma na sistemụ ngwa ngwa.A na-akwado usoro ihe osooso site na kabinet nkesa obere voltaji.Igwe ọkụ eletrik 380V na-abanye na ike mmemme mgbe ọ gafesịrị na mgbanaka sekit.Ike mmemme na-enye ọkụ eletrik ozugbo.Dị ka isi na-achịkwa unit nke osooso usoro, mmemme ike ọkọnọ na-enweta akara akara si na elu kọmputa usoro.Site na ihe nchọta nchọta dị elu na nkwụsi ike dị elu, ọ nwere ike ijikwa ihe nrụpụta ugbu a nke ọma ma nye ihe mkpali maka electromagnet iji mepụta ebe ndọta kwụsiri ike.Ọ nwere njiri mara nke ziri ezi ngbanwe dị elu, nkwụsi ike dị mma yana ọtụtụ oghere dị n'akụkụ.