INTERNATIONAL PATENT: STATE GRID JIANGSU ELECTRIC POWER CO., LTD. RESEARCH INSTITUTE, 国网江苏省电力有限公司电力科学研究院, BAODING TIANWEI BAOBIAN ELECTRIC CO., LTD., 保定天威保变电气股份有限公司, NR ELECTRIC CO., LTD., 南京南瑞继保电气有限公司 FILES APPLICATION FOR "STEP-DOWN AND PHASE-SHIFT INTEGRATED TRANSFORMER AND OPERATION CONTROL METHOD"

GENEVA, April 4 -- STATE GRID JIANGSU ELECTRIC POWER CO., LTD. RESEARCH INSTITUTE (No.1 Power Road, Jiangning DistrictNanjing, Jiangsu 211103), 国网江苏省电力有限公司电力科学研究院 (中国江苏省南京市江宁区帕威尔路1号), BAODING TIANWEI BAOBIAN ELECTRIC CO., LTD. (No. 2222 Tianwei West RoadBaoding, Hebei 071021), 保定天威保变电气股份有限公司 (中国河北省保定市天威西路2222号), NR ELECTR...