Rapid Calculation of Active Distribution Network Reliability Based on Dynamic Equipment Failure Rate

The active distribution network has been fully developed because it can achieve efficient energy utilization through the effective control of distributed generation, electrical storage, and loads. However, research on reliability operation still stays in medium long-term calculation, without considering influence dynamic equipment characteristics reliability. In order to improve comprehensiveness calculation speed an network, this paper proposes a fast method for based failure rates. Firstly, fuzzy-theory data-driven methods, cloud model Proportional Hazard Model are used rates exposed enclosed types equipment, respectively. This considers impacts improves calculation. Then, improved K-means algorithm is faster more suitable scenario reduction increase computation rate. Finally, island contact line transfer under simplifying by improving minimum path method, combining source–load uncertainty, switch fault information, load probability further proposed. cases show that rate closer engineering reality generality. accurate than traditional algorithm. final proposed reduces time 72.76 times compared method. It reflects operational provides reference optimal dispatch network.