Abstract
The transient shock caused by the failure of the UHV DC transmission system is large and covers a wide range. However, the key testing technology for UHVDC transmission control and protection based on self-controllable chips is not yet perfect. This paper studies the overall design of the UHV DC control and protection system; analyzes the influence mechanism of electromagnetic interference, ambient temperature, power supply and other factors on the DC control and protection device, and proposes a general hardware test scheme and functional test for the DC control and protection equipment on an autonomous controllable chip platform scheme; studied the visualization modeling technology of UHVDC transmission system based on PSCAD, proposed a modularized DC control and protection simulation modeling scheme, and built a modular model of autonomous controllable chip DC control and protection equipment; The waveform comparison test verifies the accuracy of the simulation platform.
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