Recently, devices from other manufactures have been delivered to NR for factory integrated test for 1000kV Jingmen substation project. Secondary system including protection and substation automation system are all involved in this test before delivering to site.

Last year, NR successfully won the bid of 1000kV UHV Jingmen substation project, including 1000kV line distance protection, 1000kV line differential relay, 1000kV main transformer protection, 1000kV circuit breaker failure protection and 1000kV substation automation system. In addition, NR supports protections for other two 1000kV substations in China.