N-1 (n minus one) criterion is one of the criteria used in decision making in reliability studies. N-1 criterion simply describes the impact to the system if one element in the system happens to fail or becomes out of service.
What, when, who, why, and how
N-1 (n minus one) criterion is one of the criteria used in decision making in reliability studies. N-1 criterion simply describes the impact to the system if one element in the system happens to fail or becomes out of service.