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Devices in The Process Layer Series for Smart Substations That Can Be Independently Controlled
Application Scenarios
Applicable to smart substation process layers that are independently controllable across all voltage levels. Implements process layer acquisition, transmission, and control functions for smart substation lines, transformers, busbars, sections, and other intervals.
Dongfang Electronics Corporation
System Composition
Includes merging units, intelligent terminals, body intelligent terminals, integrated merging and intelligent units, acquisition and execution units, etc.
Functional Features
  • Independently Controllable
    Independently Controllable
    Adopts domestic chips and operating systems, reduces reliance on external supply chains, and enhances data security and system stability.
  • Reliability Optimization Design
    Reliability Optimization Design
    Dual-mainboard redundant design for acquisition and execution units, both mainboards independently handle analog loop acquisition, 5V transmission, GOOSE transceiver functions without interference, and can operate independently.
  • High-Precision Sampling
    High-Precision Sampling
    The phase difference between the cascaded voltage data output received by the device and the metering voltage/measured current data output collected by itself can achieve high precision.
  • Fast Trip Response
    Fast Trip Response
    The response time from receiving the protection trip command to hard contact action is ≤4 ms.
Typical Cases
  • Xiaojian 110 kV new-generation high-reliability substation in Yancheng, Jiangsu
  • Fuji South 110 kV new-generation high-reliability substation in Qi County, Kaifeng, Henan