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 gafechara ihe nkesa 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.