In the centralized power supply mode, each line is equipped with 2 or 3 110kV main substations, including subway, light rail and urban railway.
? Telecontrol communication management machine and A RTU measuring and control device
? Relay protection device, fault recorder, little current ground connection system
? Automatic standby power switch device, frequency voltage emergency control device, security and stability control equipment, oscillation splitting device
Monitor the combined substations, step-down substations and follow-up substations.
? PSCADA system, substation protection system and network security device independently developed by DFE have successfully passed the test of China Academy of Railway Sciences and actually been put into operation.
Integrated Supervision and Control System ( ISCS )
Wuhan Metro Line 3/4, Suzhou Metro Line 4, Changsha Metro Line 1, Shijiazhuang Metro Line 1, Changchun Metro Line 1, Qingdao Metro Line 2/3, Harbin Metro Line 1, Nanjing Metro Line 10 and Guangzhou Metro Line 6.
Scheduling network and safety protection equipment
Nanchang Metro Line 2 .
Static var generator (SVG)
Qingdao Metro Line 3/11, Nanning Metro Line 1, Chongqing Metro and Changsha Metro.
PSCADA transformation of Tianjin Metro Line 4, Puyou Station of Shanghai Metro, Eastern Loop Line of CARS National Railway Test Center, Xi'an Metro Line 5 Phase I/2, Wenshan Tram Line 4 and Shanghai Metro Line 2.
Environmental monitoring and energy saving control
High/low-voltage integration in air conditioning room of Zhengzhou Metro Line 2, Chongqing Rail Transit Line 4/10 Line/Loop Line, Chongqing Rail Transit Line 2 Phase I, Capital Airport Express of the Beijing Subway, East Section of Beijing Metro Line 15, Chongqing Metro Line 3 Phase II, Chongqing Metro Line 6 Phase I, Branch Line of Chongqing Metro Line 6, Harbin Metro Line 1/2 and West Section of Beijing Metro Line 15.
Power supply scheduling system for urban rail transit
Shenzhen Metro NOCC power supply scheduling system and Wenshan Tram Line 4.
Main substation of Chengdu Metro Line 13.
Beijing Subway Capital Airport Express, Beijing Metro Line 14/15/16, Hunnan Tram, Chongqing Line 2/3/6, Qingdao Metro Line 3, Harbin Metro Line 3, Nanchang Metro Line 2 Phase I, Harbin Metro Line 1/2, Modern Tram in Hunnan New District of Shenyang.
Intelligent O&M system for power supply: pilot of Beijing Metro Line 8 and Shanghai Metro Line 2.
Intelligent patrol robot: pilot of Qingdao Metro Line 11.
Substation protection monitoring
Changbai Railway - External Power Supply Project, External Power Supply Project of Da'an Traction Station in Baicheng City, Jilin Province, External Power Supply Project of Baicheng - Arxan Railway- Jilin Baicheng Western Traction Substation, External Power Supply Project of Tongliao - Ranghulu Railway-Jilin Songyuan Qian'an Traction Station, Siping - Qiqihar Railway-Baicheng Kaitong Traction Station, Zhenlai Traction station, Tantu traction station, Chongqing - Guiyang Railway-Chongqing Western Traction Station Project, Chongqing - Guiyang Railway - Chongqing Shuangshan Substation Project, Wanhua Railway Substation, Xi'an - Chengdu High-Speed Railway Traction Station, Eastern Loop Line of CARS National Railway Test Center
Primary switch cabinet
Beijing Pingxifu Depot, Distribution Station of Shenhua Railway Huanghua Port, State Grid, China Southern Power Grid.
AC/DC power supply panel
Datong - Qinhuangdao Railway, Shenyang - Tieling Intercity Railway, State Grid and China Southern Power Grid.
Electric energy metering
National Railway Administration (procurement and installation of State Grid), State Grid, China Southern Power Grid.
Eastern Loop Line of CARS National Railway Test Center, State Grid, China Southern Power Grid.
Substation auxiliary monitoring
State Grid, China Southern Power Grid.
Substation and line online monitoring system
Online temperature measurement at Yamenkou Substation of China Railway Beijing Group Co., Ltd., State Grid, China Southern Power Grid.
Energy management system
State Grid, China Southern Power Grid.
Unattended substation system integration
Yamenkou Substation of China Railway Beijing Group Co., Ltd., State Grid, China Southern Power Grid.