一部进行曲 三个大工匠

Core Viewpoint - The article highlights the significant development of the Shandong power grid over the past thirty years, showcasing the transition from basic electricity access to advanced electricity management, driven by skilled workers and technological advancements [1] Group 1: Historical Development - The Shandong power grid has evolved from "household electricity access" to a sophisticated high-voltage system, with voltage levels increasing from 500 kV to 1000 kV [1] - The main transmission line length of the Shandong power grid has reached 17,300 kilometers, reflecting substantial infrastructure growth [1] Group 2: Key Contributors - Notable figures such as Wang Jin, Feng Xinyan, and Li Min are recognized as representatives of skilled workers who have contributed to the grid's development [1] - These workers have transitioned from traditional methods like manual inspections to modern techniques such as drone inspections and intelligent diagnostics [1] Group 3: Impact on Energy Security - The advancements in the Shandong power grid are linked to ensuring energy security, with workers playing a crucial role in maintaining reliable electricity supply for households [1] - The article emphasizes the collective effort of generations of power workers in supporting the rise of a national power grid [1]