The invention relates to a grid-connected scheduling management method and device constructed in combination with a
knowledge graph, equipment and a medium. According to the method, a comprehensive
data set is constructed by integrating multi-
source data such as
new energy output,
power grid topology, load, weather and historical fault records, and then a dynamic
knowledge graph is formed by using entity recognition and relation extraction technologies; a probability causal
graph model is constructed by extracting a causal path and adding probability parameters, and uncertainty propagation intensity is quantified in combination with a
sequence diagram neural network; on the basis of a propagation model,
risk index conditional probability is calculated by adopting probability
causal reasoning, and a
fault propagation sequence is simulated through a
cascade failure theory to realize multi-level
risk assessment; based on a multi-objective optimization model and deep
reinforcement learning, an adaptive scheduling strategy is generated, a complete technical
closed loop from data fusion and
causal reasoning to
intelligent decision is realized, and the technical effects of describing a
new energy uncertainty propagation path, prospectively evaluating a
power grid risk situation and dynamically generating an optimal grid-connected scheduling scheme are achieved.