good job! int’s products are on cctv news.-j9九游会老哥论坛

december 25 christmas eve, filled with a strong festival atmosphere, cctv "news joint broadcast" broadcast on the completion of the new acceptance of the state grid corporation in inner mongolia shanghai miao - shandong linyi ( 800 kv) hvdc transmission line news. the project is one of the 12 key national air pollution prevention and control action plan transmission channels .

this project is very familiar by int from receiving orders, design, procurement, production, commissioning, installation and services, which are condensed the hard work of many int people.

the front two sets of stainless steel cabinets are composed of plc cabinet, control cabinet and ied cabinet. the front and back of the cabinet constitute a complete set of intelligent control system of converter transformer air cooling system.

the above three buildings are divided into two groups, pole two and pole one, respectively. the two sides of the building near the middle are pole two and pole one low end (voltage level ( 200 kv, 400 kv), and the two sides are pole two and pole one high end (voltage level ( 600 kv, 800 kv). each voltage level of each pole is converted from ac abc three-phase rectifier to dc. a complete converter and four poles require 24-phase ac transformers, plus four standby phase transformers. a total of 28 sets of intelligent control equipment for air-cooled systems are required.

the low-end plc cabinets, control cabinets, ied cabinets and high-end plc cabinets of shandong linyi station and the low-end plc cabinets and control cabinets of shanghai temple station are all provided by nanjing int.

hvdc transmission projects int has been involved:

• hvdc transmission project from yunnan xiluodu to guangdong conghua

• hvdc transmission project from ningxia ling zhou to zhejiang shaoxing

• hvdc transmission project from northwest shanxi to jiangsu nanjing

• dc transmission project from inner mongolia shanghai temple to shandong linyi

• hvdc transmission project from yunnan to guangdong shenzhen...