电科院：公司直流试验系统技术改造项目已完成大部分建设任务

Group 1 - The core point of the article is that the company has completed most of the construction tasks for its DC testing system technology renovation project, and some testing equipment and systems are now operational [1] - The company can now conduct various testing tasks related to UHV converter transformers, DC reactors, and DC lightning arresters, as well as comprehensive environmental tests for DC high-voltage switchgear, insulation tests, lightning tests, electromagnetic interference tests, and strong electromagnetic pulse tests [1] - The project has already generated some revenue for the company [1]