Power System Relay Protection

• DSA Distributed Substation Automation System
• DSA 2112－2119 Protection Metering and Controlling Unit
• DSA 2131-2133 Capacitor Protection Metering and Controlling Unit
• DSA 2141-2142 Motor Protection Metering and Controlling Unit
• DSA 2151 Stub Optical Longitudinal Differential Protection
• DSA 2241-2249 Comprehensive Measurement and Control Device
• DSA 2302 Protection & Operation Device for Main Body of Transformer
• DSA 2320-2323 Transformer Differential Protection
• DSA 2361 incoming line and bridge Standby Power Automatic Switch Device
• DSA181-184 Generator Protection, Measurement & Control Device
• DSA 401 Substation Local Supervisory Control Systems
• DSA2161 Line Optical Fiber Distance Protection Device
• DSA2163 Line Optical Fiber Distance Protection Device
• DSA2324/2325/2326 Transformer Backup Protection Device
• DSA2304 Voltage Paralleling-Switching Unit

Power System Supervisory Control

• AE9000 Distribution and dispatch automation system

Substation Automation

• DSA Distributed Substation Automation System
• DSA 208 Configuration Monitor & Control Unit
• DSA 2112－2119 Protection Metering and Controlling Unit
• DSA 2131-2133 Capacitor Protection Metering and Controlling Unit
• DSA 2141-2142 Motor Protection Metering and Controlling Unit
• DSA 2151 Stub Optical Longitudinal Differential Protection
• DSA 2241-2249 Comprehensive Measurement and Control Device
• DSA 2302 Protection & Operation Device for Main Body of Transformer
• DSA 2320-2323 Transformer Differential Protection
• DSA 2361 incoming line and bridge Standby Power Automatic Switch Device
• DSA181-184 Generator Protection, Measurement & Control Device
• DSA 401 Substation Local Supervisory Control Systems
• DSA2161 Line Optical Fiber Distance Protection Device
• DSA2163 Line Optical Fiber Distance Protection Device
• DSA2324/2325/2326 Transformer Backup Protection Device
• DSA2304 Voltage Paralleling-Switching Unit

Distribution Automation

• AE9000 Distribution and dispatch automation system

Thermal Power Plant Control

• DSA Power plant comprehensive electrical automation system