Power-Supply Systems Reliability Control

System reliability control is proposed to maintain through the usage of the operating time between the system components' failure. Usually, trouble-free (reliability) is assessed considering component failures. Almost all the system probabilistic parameters were determined via the component failures. The system reliability control requires another approach to solve this kind of problem. The first thing is a rational system component selection, which is necessary to provide its reliable functioning in the process of exploitation, safe maintenance, cost-effective mounting and dismounting. Secondly, the components must meet technical and economic feasibility requirements. They cannot be used with high or low capacity. If the component capacity is overrated, you bear unjustified costs, i.e. you pay an increased price for the purchase of spare parts and new components if they are replaced. In case of the low capacity increasing loads on the system cause its component load increase, which leads to the breakdown. Prevention of the occurrence of failures in the system, will increase the system's trouble-free and, therefore, its reliability. Therefore, the system reliability can be controlled.