Abstract
This paper introduces the overseas smart substation technology scheme, describes the communication network architecture and equipment redundancy configuration in the typical overseas test smart substation scheme, and compares the similarities and differences between China’s smart substation redundancy configuration technology and the overseas smart substation configuration technology. The distribution of measurement and control functions of overseas smart substations that are different from China’s designs are explained in detail. The different architectures of overseas smart substations and China’s smart substations are illustrated. Finally, the suggestions of overseas Smart Substation and China’s smart substation are summarized.
Highlights
Because of the rapid improvement of China‘s substation secondary equipment theoretical research and manufacturing technology level, there are few research contents of substation secondary system overseas introduced
The technical test process of overseas substation usually needs to go through the process of scheme design, laboratory configuration, closed-loop test, Open-loop test, field test, on-site test run with signal only
This paper introduces the secondary system scheme of overseas Smart Substation, and provides the redundancy configuration and test method of protection and measurement function for reference
Summary
Because of the rapid improvement of China‘s substation secondary equipment theoretical research and manufacturing technology level, there are few research contents of substation secondary system overseas introduced. The overseas smart secondary equipment technology promotion is relatively slow, there are still some great differences in the design ideas and test methods for the protection, measurement and control function configuration of smart substation compared with those in China [1]. Compared with the China's smart substation scheme with various network architecture modes, equipment functions and various integrated layout methods [2,3,4], the overseas substation technical test process usually takes several years to test the smart secondary equipment by using the expanded secondary bay. This paper introduces the secondary system scheme of overseas Smart Substation, and provides the redundancy configuration and test method of protection and measurement function for reference
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