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Half wavelength AC transmission (HWACT) is a promising technology with unique advantages in the field of large power transmission over long distance. However, there is little study on the grid connection of HWACT, which shall be an important technical point for its engineering application. This paper deals with the point-to-grid connection of an HWACT line. Firstly, the requirements of grid connection...
Half-wavelength AC transmission (HWACT) possessed economic advantages due to its characteristics. However, the problem of secondary arc current limits its development and application. The neutral reactor is not suitable for HWACT and high speed grounding switch (HSGS) has many drawbacks. In this paper, the characteristics of secondary arc current in HWACT are studied in detail. Then, active suppression...
Rough test must be done before the TSC (Thyristor switched capacitor) is put into service, to demonstrate the proper design of the valve during over-current conditions, caused by valve firing at instants with non-zero voltage between its terminals. However, modern TSC thyristor valves have a high power rating and are difficult to test directly. The core to design TSC over-current test equipment is...
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