Parse all three MATPOWER case files:

Parse all three MATPOWER case files:: a task in SkillNet-Gym (Harbor dataset). Build a NetworkX undirected graph for each case using only in-service branches ( status == 1 ) and treating each branch as an edge between fbus and tbus (ignore parallel-edge distinctions for connectivity, i.e., a…

The task

Build a NetworkX undirected graph for each case using **only in-service branches** (`status == 1`) and treating each branch as an edge between `fbus` and `tbus` (ignore parallel-edge distinctions for connectivity, i.e., a simple `nx.Graph()` is fine).

Part of zjunlp/SkillNet-Gym.