继电保护是电网的"中枢神经"，每一次操作，都像是在进行一场精密的手术，容不得半点马虎。 （来源：工人日报） 皮志勇，这位扎根湖北荆门电力一线26年的"老兵"，用3万余次零差错操作、56项科技创新成果、55项 发明专利，诠释着这份职业的严谨与担当。如果把他的操作次数换算成日常工作量，相当于在26年间， 他每天都要完成3次以上外科手术般精准的操作。 初心绘就攻坚路 荆门作为三峡外送和西电东送的主通道，电网运维压力巨大。1999年，退伍后的皮志勇脱下军装，换上 工装，成为国网荆门供电公司继电保护班的一名新人。面对复杂的电网设备和接线图纸，他下定决心攻 克技术难关。 "工作室的55项专利发明创造经济效益逾亿元。"皮志勇介绍，这些成果已在湖北电网遍地开花，成为保 障电力安全的利器。 匠心点亮成长之路 "一个人力量有限，只有让更多人掌握技术，才能守护好荆门电网。"皮志勇秉持这一理念，精心培育电 力新人。 作为30余名青年职工的师傅，皮志勇毫无保留地分享经验，开展技术培训3000余人次，培养出16名中高 级技术人才，其中，两人成长为国网生产技能专家、荆楚工匠。他编著的5本教材中，两本成为国网技 术学院指定培训教材，让荆门电 ...

Core Viewpoint - The article highlights the dedication and achievements of Pi Zhiyong, a national model worker in the electric power sector, emphasizing his commitment to ensuring the safety and reliability of the power grid through innovative practices and rigorous training [1][3]. Group 1: Personal Background and Development - Pi Zhiyong, aged 50, is the team leader of the secondary repair class at the State Grid Jingmen Power Supply Company and has been rooted in the field for 26 years, evolving from a veteran to a leading figure in power grid maintenance and technological innovation [3]. - After joining the company in 1999, Pi faced challenges due to his lack of knowledge, prompting him to dedicate his spare time to learning and mastering technical skills, resulting in over 1 million words of study notes and more than 2,000 wiring diagrams [3]. Group 2: Achievements and Innovations - Pi has successfully organized the installation and commissioning of 33 newly built and renovated substations, achieving a 100% success rate for initial power supply [3]. - He has completed over 30,000 operations in substation maintenance without any errors, showcasing his expertise and attention to detail [3]. - The "Pi Zhiyong Model Worker Innovation Studio," established in 2012, has led to numerous innovations, including a one-click inspection system that reduces work time from two days to just a few minutes, and a condensation dehumidification device that has eliminated direct current grounding faults [4]. Group 3: Future Commitment and Vision - Pi emphasizes the importance of mastering core technologies in the face of rapid equipment and technology changes, aiming to maintain grid safety and reliability [4]. - He plans to continue his frontline work, focusing on both safeguarding the power grid and fostering innovation to meet new energy transition challenges [4].